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0361527 S1930 Operators Manual.p65

1. sss 4 Hydraulic Systeri raisins aiii 4 Ambient Air Temperature Operating Range 4 Chapter 3 Safety Electrocution Hazards sssssssssssss 5 Minimum Safe Approach Distance 5 Prestart Inspection sssssssse 6 Work Place Inspection and Practices 6 Operation iniii a e a a 6 Tip Over and Falling Hazards ss 6 Electrical System esis e haee tea gai a t lut 7 Hydraulic Systeri adii aaa 7 Placards and Decals ceceeeeeeeecceeceeeeeeeeeeetetees 7 Chapter 4 Safety Devices Emergency Stop Controls sese 9 Drive Motion Alarm sssssssssss 9 Pothole Protector Skids sssssssssss 9 Drive Lift Pothole Protector Interlock 10 Drive Lift Level Sensor Interlock 10 Lowering Alarm anaiai a a nn 10 Emergency Lowering Lever ccceeeeesseeeeeeeeenaes 10 Safety Prop EE 10 Gu ardrails eege veel 11 Ground Fault Circuit Interrupter 11 BRUET 11 nem 11 Flashing Light oeenn i iner etes 11 Chapter 5 Gauges and Displays Hour Meter et heii eee Dec 13 Amimieter xn der Eet e 13 Battery Condition Indicator cc eeeeeeeeeeteeeee 13 Chapter 6 Batteries General Maintenance ccccecceceesesseeeceseeeeeeneeene
2. This machine will not protect you from shock Allow for platform sway rock or sag I voltage is 300 V to 50 KV stay at least 30 feat 3 1m away If votage is more than 80 kV talk with your supervisor or read the Operator s Manual on this machine for safe distances DO NOT use this machine without the rings and the DO NOT let an untrained or unauthorized person use this entry gate chain or bar in place You could machine When you leave the machine unattended fali out and hurt or kil yourself remove the key or tur off the battery evitch on the base of the machine and lack the battery switeh in the off DO NOT use this machine if itis not working right or if poten any part of itis damaged wom of missing DO NOT replace components critical to machine stability such as An accident could cause injury or death batteries and wheel equipment with lighter weight or mon facory approved Substitutes NOTE STUDY THE OPERATOR S MANUAL e D BEFORE OPERATING THIS MACHINE ui 0372000 0074311 A DANGER Using incorrect parts can cause oylinder failure Death or serious injury can result B Use only RROK ZS Rear Snorkel III PART us 0074311 1930 0361527 27 Chapter 8 Prestart Inspection A DAN G E R PROPER USE OF SAFETY PROP Remove all material from plat
3. 9 0361259 _ Snorkel O e Snorkel GI WO MENNEENENNI NOWBER ge z pum NEN punc 300740 0070901 ica dias Inside hydraulic tray a GE Right Side ACAUTION distriauted ach axle Proper stability anc axle we gnts of this mach on the platform sze shown above Ka PR DEATH OR SERIOUS INJURY CAN RESULT FROM TIPPING OVER TO KEEP FROM TIPPING THIS MACHINE OVER FOLLOW THESE RULES DO NOT RAISE OR DRIVE AN ELEVATED DO NOT RAISE OR DRIVE AN ELEVATED ORM ON 0372000 d GO NO CLOSER THAN 4 feel 1 2m DO NOT RAISE THE PLATFORM 1o ANY DROP OFF IN WIND ABOVE 28 MPH 12 5 MIS RK D D OTHER ACTIONS CAN ALSO CAUSE THIS MACHINE TO TIP OVER DO NOT override safety devices DO NOT ride platform while machine is on a truck fork lt or other device DO NOT overioad the machine DO NOT stand or sit on guardrails DO NOT attach ropes or chains to guardrails DO NOT use ladder scaffold or ather means to increase size or palfomm height DO NOT use with damaged tires or wheels DO NOT carry loads outside the railing or use ALARM MEANS TIPOVER DANGER TO AVOID LOWER PLATFORM IMMEDIATELY s TIPOVER HAZARDS 2 USE ON FLAT LEVEL AND dim C A iid This machine is not electrically insulated Maintain 10 feet minimum clearance from electrical power lines and apparatus
4. The battery disconnect switch removes electrical power from all electrically controlled functions when in the off position Place the switch in the on position to operate any electrically controlled function Caution Only authorized personnel should operate the aerial platform Unqualified personnel may cause injury to coworkers or property damage Lock the battery disconnect switch in the off position before leaving the aerial platform unattended Lock the battery disconnect switch in the off position to prevent unauthorized use of the aerial platform Lower Controls The lower controls refer to Figure 7 2 are located on the left side of the chassis Only platform functions can be operated from the lower controls The following controls are located on the lower control panel Emergency stop button Control selector switch Platform raise lower switch Emergency Stop Button Control Selector Switch Platform Raise Lower Switch Figure 7 2 Lower Controls Emergency Stop Button The emergency stop is a two position push button Push the button in to disconnect power to all control circuits Pull the button out to restore power Control Selector Switch Place the control selector switch in the down position to operate aerial platform functions from the lower controls The upper controls will not operate while the control se lector is in the lower position Place the selector switch up in
5. ated from the lower controls The lower controls may be used for initial set up of the aerial platform and for posi tioning the platform while testing or during inspection Use the following procedure to raise or lower the platform using the lower controls 1 Pull the emergency stop button outward refer to Fig ure 9 1 Emergency Stop Button 7 M ul Platform Raise Lower Switch Snorkel Figure 9 1 Lower Controls 2 Place the control selector switch in the lower posi tion 3 Hold the platform raise lower toggle switch up to raise the platform and down to lower it 4 Release the toggle switch to stop movement Upper Controls The upper controls refer to Figure 9 2 may be used for driving the aerial platform and positioning the platform while on the job Before operating from the upper controls properly set up the aerial platform as described under Preparing for Op eration Use the following procedure to operate the aerial platform from the upper controls 1 From the lower controls pull the emergency stop button outward refer to Figure 9 1 2 Place the control selector switch in the upper posi tion Note The upper controls will not operate while the control se lector is in the lower position 1930 0361527 31 Chapter 9 Operation Snorkel Drive Lift Selector Switch g Interlock Switch nd Steer Switch 24 F c a Emergency Stop Button k 3 Ente
6. flags etc Never operate the aerial platform without all parts of the guardrail system in place and the safety chain or gate closed Make sure that all protective guards cowlings and doors are securely fastened Do not exceed the platform capacity as indicated on the platform rating placard on the platform Do not carry loads that extend beyond the platform guardrails without prior written consent from Snorkel Do not operate the aerial platform from trucks trailers railway cars floating vessels scaffolds or similar equip ment unless the application is approved in writing by Snorkel Do not use the aerial platform as a crane hoist jack or for any purpose other than to position personnel tools and materials Do not climb on the guardrails or use ladders planks or other devices to extend or increase the work position from the platform Take care to prevent rope electrical cords and hoses etc from becoming caught in or on the aerial platform If the platform or scissors structure becomes caught on an adjacent structure or other obstacle and is prevented from normal motion reverse the control to free the platform If control reversal does not free the platform evacuate the platform before attempting to free it Itis best notto transfer from the platform to another struc ture or from the structure to the platform unless that is the safest way to do the job Judge each situation sepa rately taking the work envi
7. from falling out under a slack line condition may also be used Do not run the sling cable through the lifting lugs Cable damage and or failure can result from the cable contacting the sharp corners of the lift lug There is no effective way of putting a corner protector in the hole of the lug 5 Use spreader bars of sufficient length to keep the chains straps or cables from contacting the scis sors structure or platform When using cables use rigid corner protectors at any point where the cable contacts on sharp corners to prevent damaging the cable Careful rigging of the spreaders is required to prevent machine damage 6 Use the hoist or crane to carefully raise and position the aerial platform onto the transport vehicle 1930 0361527 37 Chapter 10 Stowing and Transporting Securing for Transport Use the following procedure to secure the aerial platform on the transport vehicle 1 2 Chock the wheels Remove all personnel tools materials or other loose objects from the platform Properly stow the aerial platform Place wood blocks under the front ends of the pot hole protection skids to limit excessive loading on the front drive wheel bearings Place the lower controls emergency stop switch in the off position Turn the battery disconnect switch off Caution Ratchets winches and come alongs can produce enough force to damage machine components Do not over tight
8. Chapter 2 Specifications General Specifications 1930 Aerial Platform Working height 2 Maximum platform height 1 Turning radius Inside 5 12 7 cm Outside 64 5 1 64 m Wheelbase 4 6 1 37 m Ground clearance Pothole protector raised Pothole protector lowered Maximum wheel load Maximum ground pressure 2 5 6 3 cm 0 75 1 9 cm 1 416 Ibs 642 kg 175 psi 12 3 kg cm Weight GVW Approximate 3 040 Ibs 1 379 kg Stowed width 30 76 2 cm Stowed length 6 2 1 9 m With step removed 5 6 1 7 m Stowed height 6 7 2 0 m Platform Dimensions Main 29 x 61 5 74 cm x 156 cm Extension 24 x 36 61 cm x 91 4 cm Total length with extension Rated work load Total 500 Ib 227 kg 97 5 247 5 cm Extension 250 Ib 113 3 kg Maximum number of occupants Outside 1 person Inside 2 people AC outlet 120 V 15 amp Function Speed Platform raise 12 to 20 seconds Platform lower 20 to 26 seconds High Drive Platform lower than 6 feet 1 8 m 0 to 2 5 mph 0 to 4 km h Low Drive Platform higher than 6 feet 1 8 m 0 to 0 5 mph 0 to 0 8 km h Drive System Standard Two wheel drive Gradeability 20 Maximum drive height 19 5 8 m Drive Lift Level Sensor Interlock Side to side 2 degrees Front to rear 4 degrees Tires Nonmarking solid rubber 12 x 4 30 5 cm x 10 2 cm Electrical System Voltage 24 V DC negative chassis ground Source Four 6 V 220 amp hour batteries Fluid r
9. and Transporting SOWING EE 35 BN eu e ME Ka Lifting With a Forklift ssssesseeesesss 35 Winchlng aie eed ee pii ta Pateat itn 35 Bug PE 36 HIOISUNG EE 37 Securing for Transport 38 Chapter 11 Emergency Operation Emergency Lowering eenee 39 Eee 39 Chapter 12 Troubleshooting Troubleshooting Chart ccarat 41 Appendix A Glossary Limited Warranty 1930 0361527 Chapter 1 Introduction Aerial Platform Features The aerial platform is a self propelled scissors lift that has been designed to raise personnel their tools and material to the workstation The platform is raised and lowered with a hydraulic cylinder A hydraulic motor on each of the front wheels provides power to move the aerial platform The standard machine includes the following features Proportional drive and lift up control Drivable at full height Drive motion alarm Non marking tires Automatic pothole protection system Level sensor with drive lift interlock Hour meter Manual lowering valve Lockable battery disconnect switch Tie down lugs Lifting lugs Heavy duty battery charger with ammeter e Swing out hydraulic and electrical component trays Non slip metal platform floor Three foot platform extension 125volt AC electrical outlet with GFCI Scissor arm safety support prop Lowering alarm Removable upper controls Forklift loadable from th
10. by a quali fied person Become proficient in knowledge and actual operation before using the aerial platform on the job You must be trained and authorized to perform any functions ofthe aerial platform Operation ofthe aerial platform must be within the scope of the machine specifications The operator bears ultimate responsibility for following all manufacturer s instructions and warnings regulations and safety rules of their employer and or any state or federal law Maintenance Every person who maintains inspects tests or repairs the aerial platform must be qualified to do so Following the daily prestart inspection in this Operator s Manual will help keep the aerial platform in optimum working con dition Other maintenance functions must be performed by maintenance personnel who are qualified to work on the aerial platform Do not modify this aerial platform without prior written consent of the Snorkel Engineering Department Modifi cation may void the warranty adversely affect stability or affect the operational characteristics of the aerial plat form Manual of Responsibilities All owners and users of the aerial platform must read understand and comply with all applicable regulations Ultimate compliance to OSHA regulations is the respon sibility of the user and their employer ANSI publications clearly identify the responsibilities of all personnel who may be involved with the aerial plat form Areprint of the M
11. certain the pin is in place when the deck is extended in the working position and when it is stowed Inspect the pin refer to Figure 8 18 to ensure that it properly secures the extension deck Release the pin to extend the platform Extend the platform while checking for proper operation Extend the platform and inspect the weldments for defor mation and damage Visually check the platform welds for cracks Figure 8 18 Platform Extension Pin Operating Controls With the aerial platform stowed test the operation of each control from the upper control station refer to Figure 8 19 b l Snorkel e aS Drive Lift Selector Switch a dE Place the battery disconnect switch in the on position and from the lower controls place the control selector upward in the upper controls position Pull the emergency stop button outward to turn on the electrical power to the upper controls From the upper controls test the interlock by moving the joystick without engaging the interlock switch If move ment occurs the interlock is not functioning properly Do not operate the machine until the problem is corrected Place the drive lift selector switch in the drive position and test the operation of the joystick in both directions The lift functions should not operate with the selector in the drive position Place the drive lift selector switch in the lift position and test the operation of the joystick in both di
12. deck while the aerial platform is on a slope Do not attempt to extend or retract the platform unless the aerial platform is on a level sur face 1 Remove the pin from the top rail on the right side of the platform refer to Figure 9 3 2 Stand on the main deck of the platform facing the front of the platform Grasping the top rail of the ex tension deck push forward to extend the deck el Mich TS geg E Figure 9 3 Platform 3 Replace the pin when the platform is extended to lock it in place 4 Try to move the rails back and forth to make sure the platform extension deck is locked in position Brakes Each rear wheel is equipped with a mechanical spring applied hydraulically released parking brake When the drive control is in neutral a spring activated pin refer to Figure 9 4 protrudes through an opening in the brake disc to prevent movement A flow control valve slows the pin movement to allow the aerial platform to stop before the parking brakes engage Figure 9 4 Rear of Chassis This system operates automatically to stop and hold the aerial platform when the drive control is released or power is interrupted Manually disengage the brakes before tow ing or winching the aerial platform as described under Towing in Chapter 11 Emergency Operation Swing Out Trays Batteries and hydraulic components are enclosed in swing out trays refer to Figure 9 5 on each side
13. on the scissors structure Death or serious injury will result if the scissors structure drops onto personnel working within the scissors arms or under the raised platform Properly posi tion the safety prop before reaching through the scissors structure When inspecting or servicing the aerial platform with the platform raised use the following procedure to properly position the safety prop 1 Remove all tools and material from the platform 2 Using the lower controls raise the platform until the open height between the arm pins is wide enough to position the safety prop Refer to Figure 8 4 3 Swing the safety prop downward from the storage position to the support position 4 Remove hands and arms from the scissors structure area 5 Lower the platform until the scissors are supported by the safety prop Use the following procedure to stow the safety prop 1 Using the lower controls raise the platform until the open height between the arm pins is wide enough to move the safety prop 2 Swing the safety prop up to the stowed position Cables and Wiring Harness Inspect all cables and wiring for wear and or physical dam age such as loose connections broken wires and frayed insulation Check the wiring in areas where a change in routing direction may cause them to become pinched re fer to Figure 8 5 Make sure the cables and wires are properly routed to avoid sharp edges pinching and scuff ing Figu
14. scissors arm position When the platform is elevated below approximately seven feet the aerial plat form may be driven within the full range of drive speeds Above 6 1 8 m of elevation only the slowest drive speed will work Warning The potential for an accident increases when safety devices do not function properly Death or serious injury can result from such accidents Do not alter disable or override any safety device Do not use the aerial platform if it drives faster than 0 4 mph 0 6 km h which is 17 7 5 3 m in 30 seconds when elevated above 6 1 8 m Drive Lift Level Sensor Interlock When the platform is elevated above 6 1 8 m lift and drive functions are interlocked through a level sensor sys tem If the chassis is tilted more than two degrees side to side or more than four degrees front to rear platform raise and drive functions are disabled and an alarm sounds when those controls are activated If the drive lift level sensor interlock shuts off the platform raise and drive functions lower the platform and drive to a level surface Platform raise and drive functions may also be disabled by the pothole protection interlock Steering The steer control switch is located on the joystick refer to Figure 9 2 Use the following procedure to steer the aerial platform using the upper controls 1 Squeeze and hold the interlock switch against the joystick To turn to the left tap lightly on
15. the 20 percent grade capability of the aerial platform Use the following procedure to drive the aerial platform onto the transport vehicle 1 Position the transport vehicle so the aerial platform will not roll forward after it is loaded 2 Chock the vehicle wheels so it cannot roll away from the ramp while the aerial platform is loaded 3 Remove any unnecessary tools materials or other loose objects from the platform 4 Retract the platform extension deck and ensure the pin is in place Fully lower the platform ACaution The extension deck is free to move when the pin is removed Make certain the pin is in place when the deck is extended in the working position and when it is stowed 5 Drive the aerial platform to the foot of the loading ramp with the front wheels nearest the ramp Make sure the aerial platform is centered with the ramps and that the steering wheels are straight 6 Drive the aerial platform on or off the transport vehicle in a straight line through the grade transitions with minimal turning Hoisting Use a four point sling arrangement attached to the lifting lugs when hoisting the aerial platform Machine damage can occur if the sling is attached to the chassis scis sors structure or platform AWarning The potential for an accident increases when the aerial platform is lifted using improper equipment and or lifting techniques Death or serious injury can result from such accidents Use pro
16. the left side of the steer switch To turn to the right tap lightly on the right side of the steer switch 32 1930 0361527 Chapter 9 Operation Note Holding the steer switch down too long may result in a sharp turn This is especially true when driving and steer ing at the same time It may be easier to turn the wheels in small increments using a series of quick taps on the steer switch 2 Set the steer wheels straight ahead after completing a turn The steering wheels are not self centering Platform Use care when entering and exiting the platform to avoid slipping and or falling Securely close the safety chain or optional swinging gate when the platform is occupied Raising and Lowering The raise speed is proportional to the joystick position The farther the joystick is moved the faster the platform raises There is only one lowering speed 1 Place the drive lift selector switch refer to Figure 9 2 in the lift position 2 Squeeze and hold the interlock switch against the joystick To raise the platform slowly pull the joystick back until the desired speed is reached To lower the platform push the joystick forward Extending The platform can be extended and securely locked into position Use the following procedure to extend or retract the platform Caution The extension deck is free to move when the pin is removed Personal injury may result from extend ing the platform
17. the platform scissors structure or any part of the aerial platform is in contact with a high voltage electrical conductor or if there is an immediate danger of such contact Personnel on or near an aerial platform must be continuously aware of electrical hazards recognizing that death or serious injury can result from contact with an energized conductor California Proposition 65 Warning Battery posts terminals and related accessories con tain lead and lead components chemical known to the State of California to cause cancer and birth defects or other reproductive harm Wash hands after handling Table of Contents Chapter 1 Introduction Aerial Platform Features esses 1 ODIIOnS 1 1 esten Pe ipeo Ta eese ee 1 Operator s Manual 1 Safety Alerts cene eene iuc 1 Operation eee Fact d ode e tetas 1 Maintenance Lee d 2 Manual of Responsibilities sssssssse 2 Additional Information sese 2 Chapter 2 Specifications Component Identification ssessesssussss 3 General Specifications 81930 ssss 4 Aerial Platform sssssssssseeeee 4 Platform uic tt eee eelste 4 Function Speed ccceceecceccceceeeeeeeeeeeeeeeeteees 4 Drive System ie de ett co Site 4 Drive Lift Level Sensor Interlock 4 NICE A Electrical System
18. 2 Troubleshooting The troubleshooting chart may be used to locate and eliminate situations where machine operation may be interrupted If the problem cannot be corrected with the Troubleshooting Chart personnel action listed stow the machine and remove it from ser vice Repairs must be made by qualified maintenance Symptom All functions stop working Possible Cause Motor or pump failure Corrective Action Manually stow the machine Low fluid level in reservoir Check fluid level Add correct type of fluid if necessary Electrical system malfunction Stow the machine and do not oper ate until repairs are made Platform will not raise or lower from lower controls Control selector switch in the upper control position Place switch in the lower control position Battery disconnect switch is turned off Place switch in the on position Emergency stop button is pushed inward to the off position Pull the emergency stop button out ward to the on position Emergency lowering lever is not properly disengaged Ensure lever returns to normal op erating position Upper controls will not work Control selector switch is in the lower control position Place switch in the upper control position Battery disconnect switch is turned off Emergency stop button is pushed inward to the off position Place switch in the on position Pull the emergency s
19. Alarm seeeennm e 22 Pothole Protector Interlock ssss 23 Emergency Lowering eene 23 eier 24 Weldments sss eee 24 Slide BIOCKS t cete 24 Fasteners esse heii alia ee ie 24 Upper Control Station ceeeeeeeeeeeeeeeceeeeeeeeeeees 24 Guardrail System seeeee 24 Platform Extension sssssssssssss 25 Operating Contre 25 Emergency Stop entia airi teradi aaia aiia 25 Lowering Alarm esseeee enn 25 Drive Motion Alarm sssss 25 Electrical Power Outlet 26 Flashing Eight uoi Rebum 26 Battery Condition Indicator ssssss 26 Placards and Decals sss 26 Prestart Inspection Checklist 29 1930 0361527 Table of Contents Chapter 9 Operation Preparing for Operation 31 Lower Controls ssssssssssssssseeeeeeenree 31 Upper Controls beo E RES een 31 Rude E 32 Dnve Speeds uidisse stre Mene eie 32 Drive Lift Level Sensor Interlock 32 Steering uoi HU die e e rb Ph Rs 32 SE e 33 Raising and Lowering seeseeee 33 Extendihg EE 33 Brak6 ies eed M ee NOR Re 33 Swing Out Trays sss 33 Electrical Power Outlet 34 Wallboard Loading Gate ccecccseeeeeeeeeettreeeeeeeeee 34 Chapter 10 Stowing
20. Keep both feet positioned firmly on the platform floor Operate the controls slowly and deliberately to avoid jerky and erratic operation Always stop the controls in neutral before going in the opposite direction Do not dismount while the aerial platform is in motion or jump off the platform Properly stow the aerial platform and secure it against unauthorized operation at the end of each work day be fore transporting or if it is left unattended Tip Over and Falling Hazards Operate the aerial platform only on a firm flat level sur face capable of withstanding all load forces imposed by the aerial platform in all operating conditions Refer to the General Specifications chart for the maximum wheel load maximum floor pressure and drive lift level sensor inter lock information Raise the platform only when the aerial platform is on level ground A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not drive or position the aerial platform for elevated use near any drop off hole slope soft or uneven ground or other tip over haz ard Do not raise the platform outdoors in wind speeds above 28 mph 12 5 m s Do not operate the aerial platform within 4 1 2 m of any drop off or hole 1930 0361527 Chapter 3 Safety Do not add anything to the aerial platform that will in crease the wind loading such as billboards banners
21. Operator s Manual ee D o o 4 LO oo A Serial number APO5168 and after Part Number 0361527 Snorkel May 2005 l L NTERNATIONA ADANGER The aerial platform is not electrically insulated Death or serious injury will result from con tact with or inadequate clearance from an energized conductor Do not go closer than the minimum safe approach distance as defined by the Minimum Safe Approach Distance section in Chapter 3 Safety Regard all conductors as energized Allow for electrical wire sag and aerial platform sway If the platform scissors structure or any part of the aerial platform contacts a high voltage electrical conductor the entire machine can become electrically charged If that happens remain on the machine and do not contact any other structure or object This includes the ground adjacent buildings poles and any other objects that are not part of the aerial platform Such contact could make your body a conductor to the other object creating an electrical shock hazard resulting in death or serious injury If an aerial platform is in contact with an energized conductor the platform operator must warn ground personnel in the vicinity to stay away Their bodies can conduct electricity creating an electrical shock hazard resulting in death or serious injury Do not approach or leave the aerial platform until the electricity has been turned off Do not attempt to operate the lower controls when
22. Stow the machine and do not oper ate until repairs are made Only slow drive speed works Platform elevated above 6 1 8 m Lower platform to drive machine at faster speed Machine will not steer Joystick interlock switch not en gaged Engage the interlock switch before operating the steer switch Electrical outlet does not work Power supply not plugged in Plug a source of power into the power input connector at front of chassis GFCl is tripped Push reset button on outlet Wheels won t turn when winching or pushing Brake pins engaged Rotate brake release cams to disen gage brakes Free wheeling valve closed Fully open free wheeling valve Brakes don t work Brake pins not engaged Manually release brake cams with a wrench or drive the machine to reset the brakes Tilt alarm does not work Platform is not raised more than 6 1 8 m Normal operation The tilt alarm is not active until the platform is raised more than 6 1 8 m Ammeter does not indicate a reading when charging the batter ies No source of power Make sure power source is plugged in and turned on Charger power fuse is blown Stow the machine and do not oper ate until repairs are made Hydraulic fluid temperature of 160 F 71 C or more Prolonged driving or platform opera tion Stop operation until fluid cools High pressure fluid retu
23. a prestart inspection at the beginning of each shift before using the aerial platform on the job The in spection site must have a smooth and level surface Operator s Manual The manual holder is located at the inside the platform refer to Figure 8 1 at the front of the machine Make certain it is securely fastened in place Figure 8 1 Operator s Manual Holder Check to see that the proper Operator s Manual is in the holder The manual should be complete with all pages intact and in readable condition Electrical System Electrical power is supplied from 4 220 amp hour 6 volt batteries These batteries supply 24 volt DC electrical power to operate the aerial platform drive and control sys tem A Warning Batteries give off hydrogen and oxygen that can combine explosively Death or serious injury can result from a chemical explosion Do not smoke or permit open flames or sparks when checking the batteries Caution Even with low voltage electrical systems severe arcing can occur Electrical shock or component damage can result from contact with energized con ductors Use caution when working with any elec trical device The batteries are in the swing out tray on the left side of the aerial platform Battery Fluid Level Remove the caps from each battery refer to Figure 8 2 Visually check the battery fluid level If the level is not within 0 6 cm of the bottom of the filler neck ins
24. als in the platform re move the pin and swing the gate upward and out of the way Lower and pin the gate after loading the platform 34 1930 0361527 Chapter 10 Stowing and Transporting To prevent unauthorized use and damage properly stow the aerial platform at the end of each work day It must also be properly stowed while transporting Stowing Use the following procedure to properly stow the aerial platform 1 Retract the platform extension deck and ensure the pin and its locking mechanism is in place ACaution The extension deck is free to move when the pin is removed Make certain the pin is in place when the deck is extended in the working position and when it is stowed 2 Fully lower the platform 3 Push the emergency stop button in on the lower con trol panel 4 Turn the battery disconnect switch off and lock it 5 Securely close the swing out trays Transporting The aerial platform may be moved on a transport vehicle Depending on the particular situation the aerial platform may be lifted with a forklift winched driven or hoisted onto a vehicle such as a truck or trailer Lifting with a forklift is the preferred method The equipment used to load unload and transport the aerial platform must have adequate capacity The gross vehicle weight is listed in Chapter 2 and is stamped on the serial number placard The user assumes all responsibility for choosing the proper method of tr
25. alve is located on the hydraulic manifold refer to Figure 10 4 Turn the free wheeling valve counterclockwise to the fully open position Figure 10 4 Hydraulic Tray 8 Attach the winch line to the tie down lugs refer to Figure 10 5 on the front of the chassis Se BS Figure 10 5 Front of Chassis 9 Remove the wheel chocks and use the winch to po sition the aerial platform on the transport vehicle 10 Close the free wheeling valve 11 Use a wrench to manually reset the parking brakes 12 After unloading the aerial platform from the transport vehicle verify that the drive system and brakes oper ate properly before operating the aerial platform Driving A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not drive on ramps that exceed 20 percent grade or where conditions of the ramp could cause driving to be hazardous Use a winch to load and unload the aerial platform on ramps that exceed a 20 percent grade A 20 percent grade is a 24 0 61 m vertical rise in 10 3 05 m horizontal 36 1930 0361527 Chapter 10 Stowing and Transporting length A winch may also be used when poor traction uneven surfaces or stepped ramp transitions make driv ing hazardous Drive the aerial platform onto the transport vehicle if a winch is not available and the ramp incline is within
26. ansportation and the proper selection and use of transportation and tie down devices making sure the equipment used is capable of supporting the weight of the aerial platform and that all manufacturer s instruc tions and warnings regulations and safety rules of their employer the DOT and or any other state or federal law are followed Lifting With a Forklift Use the following procedure to lift the aerial platform with a forklift 1 Properly stow the aerial platform 2 Remove all personnel tools materials or other loose objects from the platform 3 If lifting from the rear of the machine insert the forklift forks into the pockets refer to Figure 10 1 Figure 10 1 Rear of Chassis ACaution Lifting the aerial platform with the forklift forks po sitioned improperly can produce enough force to damage machine components When lifting the machine from the side place the forklift forks di rectly under the designated lift points 4 If lifting from either side of the machine place the forklift forks directly under the designated points un der the pothole protector skid refer to Figure 10 2 Figure 10 2 Side of Chassis 5 Do not raise the aerial platform higher than neces sary to transport it Drive the forklift slowly and care fully when transporting the aerial platform Winching Use a winch to load and unload the aerial platform on ramps that exceed 20 percent grade A20 perce
27. anual of Responsibilities for Deal ers Owners Users Operators Lessors and Lessees of ANSI SIAA92 6 1999 Self Propelled Elevating Work Plat forms is available from Snorkel dealers or from the fac tory upon request Copies are also available from Scaffold Industry Association Inc P O Box 20574 Phoenix AZ 85036 0574 USA Additional Information For additional information contact your local dealer or Snorkel at Snorkel International P O Box 1160 St Joseph MO 64502 1160 USA 1 800 255 0317 http Awww snorkelusa com 1930 0361527 Chapter 2 Specifications Component Identification Platform Platform Extension D Shorkel Operators SH Manual L Dee Toeboards IECH i D o D a TS SCT Entry Step 1930 Emergency FACE pr EE Lowering d Lever p Drive and Steer Se A Wheels Lifting Lugs Lower Controls Hydraulic Tray Tie down Lugs Pothole Protector Skid Front Right Side Wallboard Upper Controls Guardrails Loading Gate d PHHH H F Ty ES Ww Scissors Structure A a Tie down Snorkel Oh Lifting Lugs Chassis Drive and Steer Wheels Battery Disconnect Battery Charger Switch y g Battery Tray Forklift Pockets Left Side Rear 1930 0361527
28. chased for warranty service Or if unable to contact the Dealer contact the Snorkel Service Department for further assistance Effective July 1995 Snorkel International Inc all rights reserved Printed in the U S A
29. d during inspection and maintenance Figure 4 5 Safety Prop 1930 0361527 Chapter 4 Safety Devices Guardrails The guardrail system includes a top rail mid rail and toeboards around the sides of the platform refer to Fig ure 4 6 ees VPE Enty Chain 9 u fe Toeboard lt Figure 4 6 Platform A safety chain or an optional swinging gate allows for access to the platform The gate closes automatically after entering or exiting the platform The chain or gate is part of the guardrail system and must be securely fas tened after entering the platform Ground Fault Circuit Interrupter The electrical power outlet refer to Figure 4 7 at the platform contains a ground fault circuit interrupter GFCI to provide protection for personnel Figure 4 7 Electrical Power Outlet Tilt Alarm An alarm will sound if the aerial platform chassis is out of level more than two degrees side to side or four degrees front to rear when the platform is raised A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not drive or position the aerial platform for elevated use near any drop off hole slope soft or uneven ground or other tip over haz ard Completely lower the platform and then drive to a level surface when the tilt alarm sounds The tilt alarm is for added protection and does not justify o
30. de of the upper control box Press the button to sound the horn Battery Condition Indicator The optional battery condition indicator gauge is on the top of the upper control box It indicates the level of avail able battery power to operate the aerial platform Circuit Breaker Reset Button The electrical power outlet at the platform has a 15 amp circuit breaker The reset button in on the bottom of the electrical box The circuit breaker protects the electrical wiring and components from electrical overload in the case of a short circuit or other fault Caution A tripped circuit breaker indicates a malfunction in the electrical system Component damage can re sult if the cause of the malfunction is not corrected Do not operate the aerial platform if the circuit breaker trips repeatedly Push the reset button to reset the circuit breaker 1930 0361527 Chapter 8 Prestart Inspection Potential service and safety problems may be detected by inspecting the aerial platform This chapter includes information on properly inspecting the aerial platform and includes a prestart inspection check list at the end of the chapter to ensure that no areas are overlooked AWarning The potential for an accident increases when oper ating an aerial platform that is damaged or mal functioning Death or serious injury can result from such accidents Do not operate the aerial platform if it is damaged or malfunctioning Perform
31. e Approach Distance Minimum safe approach distances to energized power lines and their associated parts must be observed while operating the aerial platform A Danger The aerial platform is not electrically insulated Death or serious injury will result from contact with or inadequate clearance from an energized con ductor Do not go closer than the minimum safe ap proach distance as defined by ANSI ANSI publications define minimum distances that must be observed when working near bus bars and energized power lines Table 1 and Figure 3 are reprinted courtesy of Scaffold Industry Association ANSI SIAA92 6 Voltage Range Minimum Safe Approach Distance Phase to Phase Feet Meters 0 to 300V Avoid Contact Over 300V to 50kV 10 3 05 Over 50kV to 200kV 15 4 60 Over 200kV to 350kV 20 6 10 Over 350kV to 500kV 25 7 62 Over 500kV to 750kV 35 10 67 Over 750kV to 1000kV 45 13 72 Table 1 Minimum Safe Approach Distance Denotes prohibited zone Figure 3 Minimum Safe Approach Distance 1930 0361527 Chapter 3 Safety Prestart Inspection Perform a prestart inspection before each shift as de scribed in Chapter 8 Do not use the aerial platform on the job unless you are trained and authorized to do so Work Place Inspection and Practices Do not use the aerial platform as a ground connection when welding The welding ground clamp must be at tached to the same structur
32. e exposed Replace the bat tery caps 3 Plug the charger into a properly grounded outlet 115 volt AC 60 Hz using a 3 conductor 14 gauge or larger extension cord The extension cord must be as short as possible and in good electrical condition The charger will turn on three to five seconds after a complete electrical connection is made The amme ter refer to Figure 6 1 will indicate near 20 amps initially then taper off to 5 to 10 amps as the batter ies charge Note If the batteries are fully charged when the charger is plugged in the ammeter will initially read 15 to 20 amps then quickly read zero 4 Leave the charger plugged in until it shuts itself off 5 Unplug the extension cord after the battery charger turns itself off Allow the batteries to cool off after charging 6 Checkthe battery water level Add water to individual cells only if the plates are exposed Replace the bat tery caps 1930 0361527 Chapter 6 Batteries 16 1930 0361537 Chapter 7 Controls Controls to position the platform are located on the lower control panel on the chassis and on the upper control panel in the platform Drive controls are located on the upper control panel only Battery Disconnect Switch The battery disconnect is located nextto the latch on the battery tray refer to Figure 7 1 Battery Disconnect Switch d BATTERY ALF ORK LIFT q Figure 7 1 Battery Disconnect Switch
33. e pump and the hydraulic fluid filter level sensor a device that detects a preset degree of variation from perfect level The level sensor is used to prohibit certain aerial platform functions if operating on a slope greater than the preset value lower controls the controls located at ground level for operating some or all of the functions of the aerial platform manufacturer a person or entity who makes builds or produces an aerial platform maximum travel height the maximum platform height or the most adverse configuration s with respect to stability in which travel is permitted by the manufacturer maximum wheel load the load or weight that can be transmitted through a single wheel to the floor or ground Minimum Safe Approach Distance M S A D the minimum safe distance that electrical conductors may be approached when using the aerial platform Also called M S A D operation the performance of any aerial platform functions within the scope of its specifications and in accordance with the manufacturer s instructions the users work rules and all applicable governmental regulations operator a qualified person who controls the movement of an aerial platform personal fall arrest system a fall protection system that is used while working on an unprotected edge such as a roof top with no guardrail This system includes a harness lanyard or other connecting device a fall arrestor an ener
34. e that is being welded Elec trical current flow can be very intense causing serious internal damage to some components Inspect the area before and during aerial platform use The following are some potential hazards that may be in the work place Debris Slopes Drop offs or holes Bumps and floor obstructions Overhead obstructions Unauthorized persons High voltage conductors Wind and weather conditions Inadequate surface and support to withstand load forces applied by the aerial platform in all operating configurations se o o o o e e o Before using the aerial platform in any hazardous classi fied location make certain it is approved and of the type required by ANSI NFPA 505 for use in that particular lo cation Know and understand the job site traffic flow patterns and obey the flagmen road signs and signals While operating the aerial platform a good safety prac tice is to have qualified personnel in the immediate work area to Help in case of an emergency Operate emergency controls as required Watch for loss of control by platform operator Warn the operator of any obstructions or hazards that may not be obvious to them Watch for soft terrain sloping surfaces drop offs etc where stability could be jeopardized Watch for bystanders and never allow anyone to be under the platform or to reach through the scissor arms while operating the aerial platform e e e o A Danger Pinch poi
35. e that the alarm sounds to warn personnel in the area that the plat form is lowering 22 1930 0361527 Chapter 8 Prestart Inspection Pothole Protector Interlock Perform this test using the lower controls 1 Stow the aerial platform on a smooth flat level con crete slab 2 Remove all persons and materials from the platform 3 With the trays closed check the ground clearance under the pothole protector skids referto Figure 8 12 Clearance should be at least 2 3 7 cm on both sides of the aerial platform Ne Figure 8 12 Pothole Protector Skid 4 Raise the platform while watching movement of the skids The skids should lower to approximately 3 4 2 cm ground clearance when the platform is raised approximately 24 61 cm 5 Fully lowerthe platform while watching movement of the skids The skids should raise to their stowed position with about 2 3 7 cm ground clearance when the platform is fully lowered 6 Place a 1 7 3 8 cm thick board such as a 2 x 4 under the skid on the left side refer to Figure 8 13 Figure 8 13 Pothole Protector Skid 7 The board will prevent the skid from lowering fully Raise the platform When the skid contacts the board the platform should stop raising and an alarm should sound at approximately 6 1 8 m platform floor height The alarm should then sound when the platform lift Switch is activated and the platform s
36. e when the drive lift level sensor alarm sounds The drive lift level sensor system is for added protection and does not justify operating on anything other than firm flat level surfaces Lowering Alarm When the joystick is moved out of neutral to lower the platform the alarm emits a loud beeping sound to warn personnel in the work area to stand clear A Danger Pinch points exist on the scissors structure Death or serious injury will result if the scissors structure lowers onto personnel within the scissors arms or under the raised platform Stand clear while rais ing and lowering the platform Be careful when lowering the platform Keep hands and fingers away from the scissors structures components Emergency Lowering Lever The emergency lowering lever may be used to lower the platform if there is a malfunction in the hydraulic or elec trical system The lever is mounted at the front of the aerial platform refer to Figure 4 4 Emergency Lowering Lever Figure 4 4 Emergency Lowering Lever The emergency lowering lever may be used to lower the Scissors arms onto the safety prop before inspecting the machine Push the lever down to lower the platform Re lease the lever to stop Safety Prop The safety prop refer to Figure 4 5 is used to support the scissors structure when access to the scissors arm components or the chassis is required Always use the safety prop when the platform is raise
37. ecommended distilled water Charger 25 amp Hydraulic System Maximum pressure Reservoir capacity System capacity Maximum operating temperature Hydraulic fluid recommended Above 10 F 13 C Mobil DTE 13M ISO VG32 Below 10 F 13 C Mobil DTE 11M ISO VG15 2 800 psi 19 305 kPa 3 US gal 11 35 3 5 US gal 13 2 160 F 71 C YS TO wa Ambient Air Temperature Operating Range Fahrenheit O F to 110 F Celsius 18 C to 43 C 1930 0361527 Chapter 3 Safety Knowledge of the information in this manual and proper training provide a basis for safely operating the aerial platform Know the location of all controls and how they operate to act quickly and responsibly in an emergency Safety devices reduce the likelihood of an accident Never disable modify or ignore any safety device Safety alerts in this manual indicate situations where accidents may occur If any malfunction hazard or potentially unsafe condition relating to capacity intended use or safe operation is suspected stop aerial platform operation and seek as sistance The operator bears ultimate responsibility for following all manufacturer s instructions and warnings regulations and safety rules of their employer and or any state or federal law Electrocution Hazards The aerial platform is made of metal components and is not insulated Regard all conductors as energized Do not operate outside during a thunderstorm Minimum Saf
38. egrees of personal injury or property damage that can result if the instruc tion is not followed A Danger Indicates an imminently hazardous situation which if not avoided will result in death or serious injury This signal word is to be used in the most extreme situations AWarning Indicates a potentially hazardous situation which if not avoided could result in death or serious injury ACaution Indicates a potentially hazardous situation which if not avoided may result in minor or moderate in jury It may also be used to alert against unsafe practices Notes Notes are used to provide special information or helpful hints to assist in aerial platform operation but do not indicate a hazardous situation Operation The aerial platform has built in safety features and has been factory tested for compliance with Snorkel specifi cations and industry standards However any personnel lifting aerial platform can be potentially dangerous in the hands of untrained or careless operators AWarning The potential for an accident increases when the aerial platform is operated by personnel who are not trained and authorized Death or serious injury can result from such accidents Read and under stand the information in this manual and on the plac ards and decals on the machine before operating the aerial platform on the job 1930 0361527 Chapter 1 Introduction Training is essential and must be performed
39. eliver Deep discharges deteriorate the battery quicker than light shallow cycles An overly discharged battery may need to be cycled a few times before it can fully recover If a battery begins to heat before becoming fully charged it may be necessary to recharge and discharge the battery a few times The aerial platform is equipped with an automatic battery charger that will completely recharge the batteries and turn off after the charge cycle is completed A Warning Batteries give off hydrogen and oxygen that can com bine explosively Death or serious injury can result from a chemical explosion Charge the batteries only in a well ventilated area away from sparks or flame ACaution The batteries can be overcharged and or damaged if the charger fails to shut off automatically Do not leave the battery charger on for more than two days It may take from 1 to 16 hours to recharge the batter ies depending on the amount of discharge If the charg ing cycle exceeds 16 hours without the batteries being fully recharged shut off the charger and have the batter ies checked Use the following procedure to charge the batteries 1 Turn the battery disconnect switch off referto Figure 6 1 The switch is next to the latch on the battery tray 1 E3 i Battery Disconnect Switch LFORK ur i K E Figure 6 1 Battery Tray 2 Check the battery water level Add water to individual cells only if the plates ar
40. en the straps or chains when securing the aerial platform to the transport vehicle T Use chains or straps to securely fasten the aerial platform to the transport vehicle using the front and rear tie down lugs as attachment points Proper tie down and hauling is the responsibility of the carrier 38 1930 0361527 Chapter 11 Emergency Operation If the aerial platform cannot be operated due to a loss of hydraulic power such as motor or pump failure the plat form lift cylinder and drive wheels may be operated manu ally Refer to the Emergency Lowering or Towing section for the appropriate procedure Emergency Lowering Use the following procedure to lower the platform 1 Retract the platform extension if possible 2 Locate the emergency lowering lever at the front of the aerial platform refer to Figure 11 1 Figure 11 1 Front of Chassis 3 Make sure there is nothing in the way to obstruct the platform when it lowers A Danger Pinch points exist on the scissors structure Death or serious injury will result from becoming trapped within the scissors structure Make sure all person nel stand clear while lowering the platform with the emergency lowering lever 4 Push the lever down to lower the platform Release the lever to stop Towing The aerial platform may be pushed or pulled after disen gaging the brakes Use the following procedure to manu ally disengage the brakes A Warnin
41. es with hydraulic fluid under pressure A Danger Hydraulic fluid escaping under pressure can have enough force to inject fluid into the flesh Serious infection or reaction will result if medical treatment is not given immediately In case of injury by escap ing hydraulic fluid seek medical attention at once Do not place your hand or any part of your body in front of escaping hydraulic fluid Use a piece of cardboard or wood to search for hydraulic leaks Placards and Decals The aerial platform is equipped with placards and decals that provide instruction for operation and accident pre vention Do not operate the aerial platform if any placards or decals are missing or not legible 1930 0361527 Chapter 3 Safety 8 1930 0361527 Chapter 4 Safety Devices This aerial work platform is manufactured with safety de vices placards and decals to reduce the likelihood of an accident For the safety of all personnel do not disable modify or ignore any safety device Safety devices are included in the daily prestart inspection A Warning The potential for an accident increases when safety devices do not function properly Death or serious injury can result from such accidents Do not alter disable or override any safety device If any safety devices are defective remove the aerial plat form from service until qualified maintenance personnel can make repairs Emergency Stop Controls There i
42. form Raise platform until the open height is wide enough to position the safety prop Place safety prop in the proper position Remove hands and arms from scissors area prop is not used and or Lower platform until scissors are supported by BN fety prop properly positioned Use sa safety prop at all times i TO STORE SAFETY PROP i when servicing machine Raise platform until the open height is wide with platform raised enough to position the safety prop Place the safety prop in the storage position Death or serious injury might result if safety 0074311 Rod end of lift cylinder les EEN BEE 0361259 ADANGER DO NOT ALTER OR DISABLE LIMIT SWITCHES SAFETY SWITCHES OR INTERLOCKS 0361259 300760 451986 451986 Left Side A DANGER Using incorrect parts can cause cylinder failure Death or serious injury can result Use only RO ZS Snorkel BBBIJ e Zu RT 0074311 0074311 DANGER TIPOVER HAZARD 300700 DEATH OR SERIOUS INJURY MAY RESULT IF MACHINE TIPS OVER 4 Trays must be closed when platform is elevated 300760 CH O 300760 i ADANGER SHEARING HAZARD CRUSHING HAZARD Death or serious injury mig
43. g The aerial platform is free to move when the brakes are released Death or serious injury could result Re enable the brakes before operating the aerial platform 1 Chock the wheels to prevent uncontrolled motion of the aerial platform 2 Turn the battery disconnect switch off 3 Use a 4 wrench to rotate each brake release cam 90 refer to Figure 11 2 Rotate the cam on the right brake cylinder counterclockwise and the one on the left brake cylinder clockwise Remove the wrench Figure 11 2 Rear of Chassis 4 Unlatch and swing out the hydraulic tray The free wheeling valve is located on the hydraulic manifold refer to Figure 11 3 Turn the free wheeling valve counterclockwise to the fully open position Close the tray Figure 11 3 Hydraulic Tray 5 Do not exceed 2 mph 3 2 km h when towing Warning The aerial platform is free to move when the brakes and free wheeling valve are disabled Death or se rious injury could result Close the free wheeling valve and reset the brakes before operating the aerial platform 6 Close the free wheeling valve after moving the aerial platform 1930 0361527 39 Chapter 11 Emergency Operation 7 Manually reset the parking brakes using a wrench or drive the aerial platform to reset them 8 Verify thatthe drive system and brakes operate prop erly before operating the aerial platform 40 1930 0361527 Chapter 1
44. gure 8 7 Make sure the hoses are properly routed to avoid sharp edges kinking and scuffing Inspect the tubes for dents or other damage that may restrict fluid flow Make sure all hoses and tubes are held firmly in their support brackets Figure 8 7 Hoses Tubes and Fittings Hydraulic fluid leaks are easily visible on the ground Check under the chassis for fluid that has leaked Free Wheeling Valve The free wheeling valve is located on the hydraulic mani fold refer to Figure 8 8 on the hydraulic tray Check the free wheeling valve to make sure it is fully closed clock wise Valve M IR Figure 8 8 Free Wheeling Valve 1930 0361527 21 Chapter 8 Prestart Inspection Tires and Wheels Visually inspectthe tires refer to Figure 8 9 They should be smooth without any cuts gouges or missing rubber that might affect aerial platform stability ce Figure 8 9 Tires and Wheels Check the wheel lug nuts to see that none are missing damaged or loose Parking Brakes Inspect the brake release cams for rust dirt and proper orientation When the brakes are engaged the release cams should swing freely when pushed with a finger and be oriented as shown in Figure 8 10 es Ground Strap f E ee Figure 8 10 Rear of Chassis Ground Strap Make certain the ground strap refer to Figure 8 10 is securely fastened to the chassis It s
45. gy absorber or decelera tor an anchorage connector and a secure anchorage such as a building beam girders or columns An aerial platform is not a fall arrest anchorage platform the portion of an aerial platform intended to be occupied by personnel with their tools and materials platform height the vertical distance measured from the floor of the platform to the surface upon which the chassis is being sup ported pothole protection interlock a safety feature that sounds and alarm and automatically stops the platform raise function if the pot hole protection skids are prevented from lowering properly pothole protection system a mechanical tip over prevention System consisting of skids along the bottom of both sides of the chassis which lower as the platform is raised prestart inspection a required safety inspection routine that is performed daily before operating the aerial platform qualified person a person who by reason of knowledge expe rience or training is familiar with the operation to be performed and the hazards involved rated work load the designed carrying capacity of the aerial platform as specified by the manufacturer safety prop a bar that when properly positioned mechanically prevents the platform from lowering stow to place a component such as the platform in its rest position turning radius the radius of the circle created by the wheel during a 360 turn
46. hould be long enough to contact the ground surface to eliminate static electric ity from the machine Lower Control Station With no personnel in the platform test the operation of each control from the lower control station refer to Fig ure 8 11 Emergency Stop Button e Uer ELES d Control Selector Switch N Platform Raise Lower Switch Snorkel Figure 8 11 Lower Controls Operating Controls Use the following procedure to operate the machine from the lower controls 1 Turn the battery disconnect switch on 2 Atthe lower controls pull the emergency stop switch outward to the on position 3 Place the controls selector downward in the lower controls position A Danger Pinch points may exist between moving compo nents Death or serious injury will result from be coming trapped between components buildings structures or other obstacles Make sure all person nel stand clear of the aerial platform while perform ing the prestart inspection Test the operation of the platform raise lower switch in both directions Place the battery disconnect switch in the off position The platform should not raise or lower with the discon nect in this position Emergency Stop Push the emergency stop button in to turn off the electri cal power The lower control functions should not operate with the emergency stop in this position Lowering Alarm Raise the platform and then lower it to ensur
47. hould not raise 8 Lower the platform Place the board under the skid on the right side 9 Raise the platform When the skid contacts the board the platform should stop raising and an alarm should sound at approximately 6 1 8 m platform floor height The alarm should then sound when the platform raise Switch is activated and the platform should not raise Warning The potential for an accident increases when safety devices do not function properly Death or serious injury can result from such accidents Do not alter disable or override any safety device 10 If the platform raise function is not disabled or the alarm does not sound remove the aerial platform from service until the problem is corrected Emergency Lowering Using the lower controls fully raise the platform Locate the emergency lowering lever refer to Figure 8 14 atthe front of the aerial platform Figure 8 14 Front of Chassis While standing clear of the scissors structure push the lever down The platform will begin to lower as the lever is pushed down Release the lever to stop Make certain the lever is fully released after lowering the platform 1930 0361527 23 Chapter 8 Prestart Inspection Structures Visually inspect all mechanical structures including the weldments and related components It is important to inspect the fasteners that connect the components Weldments Visually inspect all weldments for ab
48. ht result from having body parts sheared or crushed as the platform descends Keep away from closing scissor arms and keep out from under the platform as the platform comes down T 300700 28 1930 0361527 Chapter 8 Prestart Inspection Prestart Inspection Checklist Item Inspect For Ok Operator s Manual In manual holder Electrical System Battery fluid level Proper level Battery terminals Clean connectors tight Battery charger Proper operation Cables and wiring harness No wear or physical damage Hydraulic System Fluid level Between full and add marks Hoses tubes and fittings No leaks Free wheeling valve Fully closed Tires and Wheels Good condition Parking Brakes Proper cam operation Ground Strap In place and securely fastened Lower Control Station Operating controls Proper operation Emergency stop Shuts off lower controls Lowering alarm Sounds when platform lowers Pothole Protection Interlock Proper operation Emergency Lowering Proper operation Safety Prop No damage or deformation Flashing Light Proper operation Structures Weldments Welds intact no damage or deformation Slide pads In place no damage or deformation Fasteners In place and tight Upper Control Station Guardrail system Welds intact no damage or deformation Platform extension Proper operation Operating controls Proper o
49. ide each hole add distilled water A 1 i Terminals d E jm mo gt Figure 8 2 Batteries Replace the caps on the batteries The caps must be in place and tight during machine operation and battery charging Battery Terminals Check the top of the batteries the terminals and cable ends refer to Figure 8 2 They should be clean and free of corrosion and dirt Clean the top of the batteries if nec essary Clean the terminals and cable ends with a wire brush or terminal cleaning tool All cable ends must be securely fastened to the terminals Battery Charger Inspect the battery charger refer to Figure 8 3 to ensure that it is operating properly 1 Turn the battery disconnect switch off 2 Plug the charger into a source of power 3 Observe the reading on the ammeter The reading should be 20 amps 1930 0361527 Chapter 8 Prestart Inspection a y As HN 2ED gt Figure 8 3 Battery Charger 4 Unplug the charger Safety Prop Using the lower controls raise the platform until the open height between the arm pins is wide enough to position the safety prop Refer to Figure 8 4 Figure 8 4 Safety Prop Swing the safety prop downward from the storage posi tion to the support position Inspect the safety prop for damage and deformation Always use the safety prop when the platform is raised during inspection and maintenance A Danger Pinch points exist
50. le indicates full power and zero indicates no power Battery Condition Indicator Snorkel ro Figure 5 3 Upper Controls 1930 0361527 Chapter 5 Gauges and Displays 14 1930 0361527 Chapter 6 Batteries The battery tray contains 4 220 amp hour 6 volt batter ies These batteries supply 24 volt DC electrical power to operate the aerial platform drive and platform control sys tems Proper machine operation depends on well main tained and charged batteries General Maintenance Always keep the batteries clean free of dirt and corro sion A film on top of the battery can accelerate discharge Cold reduces battery capacity and retards charging Heat increases water usage and can result in overcharging Very high temperatures can cause thermal run away which may lead to an explosion or fire Consult a battery charger specialist if extreme temperature use is unavoidable AWarning Battery acid can damage the skin and eyes Serious infection or reaction can result if medical treatment is not given immediately Wear face and eye pro tection when working near the batteries Use distilled water to refill the batteries Avoid water con taining metallic solids such as iron Charging Fully recharge the batteries immediately after use One charging cycle per day is preferred Fully charged batter ies perform best The deeper the discharge the fewer number of cycles a battery will d
51. levated use within four feet of any drop off hole or other tip over hazard This protection system limits the tilt angle if a wheel is driven into a drop off or hole This greatly reduces the likelihood of the aerial platform tipping over The pothole protection system is for added protection and does not justify operating near drop offs or holes 1930 0361527 Chapter 4 Safety Devices Drive Lift Pothole Protector Interlock The aerial platform drive and lift functions are interlocked through a limit switch that senses whether or not the pothole protection linkage is locked into position The drive lift pothole interlock operates when the platform is elevated approximately 6 1 8 m If an obstruction under the skids or some other impair ment prevents the skids from locking into position the drive and lift functions will not operate and an alarm will sound Lower the platform and remove the obstruction when the drive lift pothole protector interlock alarm sounds Drive Lift Level Sensor Interlock The aerial platform drive and lift functions are interlocked through a level sensor system The drive lift level sensor interlock operates when the platform is elevated approxi mately 6 1 8 m If the chassis is tilted more than two degrees side to side or more than four degrees front to rear the drive and lift functions will not operate and an alarm will sound Lower the platform and drive to a level surfac
52. n Drive Lift Selector Switch Place the drive lift selector switch in the drive position to drive the aerial platform using the joystick The platform will not raise or lower while driving Place the drive lift selector switch in the lift position to raise and lower the platform using the joystick Joystick Use the joystick refer to Figure 7 3 to operate the fol lowing functions Aerial platform steering Aerial platform drive and speed Platform raise lower and speed Movement of the joystick in a given direction produces a corresponding movement of the aerial platform The steer ing and drive functions may be operated separately or simultaneously Interlock The joystick has an interlock switch in the handle En gage the interlock by grasping the joystick and pulling the switch toward the handle Engage the interlock to activate the steering drive or lift functions Steer Switch The steer switch is a momentary contact rocker switch on top of the joystick This switch controls the two front wheels to steer the aerial platform To steerto the right engage the interlock on the joystick and hold down the right side of the steer switch To steer to the left engage the interlock on the joystick and hold down the left side of the steer switch Note The steering wheels are not self centering Set the steer ing wheels straight ahead after completing a turn Horn Button The optional horn button is on the left si
53. normal wear abra sion or deformation that could cause interference be tween moving parts Inspect the welds on the structural components The area to be inspected should be clean and free of dirt and grease Look for visible cracks in the weld and at the weld to parent material joint A bright light may be used to pro vide adequate visibility of the inspection area Pay close attention to welds in areas where changes in cross section take place and near the attachment points of highly loaded components Slide Blocks Visually inspect the scissors arm slide blocks refer to Figure 8 15 The slide blocks must be free to move with out obstruction There is one slide block on each side of the chassis Slide Block er Figure 8 15 Scissors Arm Slide Blocks Raise the platform from the lower controls to visually in spect the slide blocks underneath the front of the plat form refer to Figure 8 16 Slide Block Figure 8 16 Platform Slide Blocks There is one slide block on each side of the platform The slide blocks must be in good condition and free to move without obstruction Fasteners Visually inspect all fasteners to see that none are miss ing or loose Pay particular attention to all of the bolts nuts roll pins collars and snap rings that connect the scissors arms They should all be present tight and not damaged in any way Upper Control Station Inspect the platform and upper contr
54. nt grade is a 24 0 61 m vertical rise in 10 3 05 m horizontal length A winch may also be used when poor traction uneven surfaces or stepped ramp transition make driv ing hazardous Use the following procedure to winch the aerial platform onto the transport vehicle 1930 0361527 35 Chapter 10 Stowing and Transporting 1 Position the transport vehicle so the aerial platform will not roll forward after it is loaded 2 Remove any unnecessary tools materials or other loose objects from the platform 3 Drive the machine to the foot of the loading ramp with the front wheels nearest the ramp Make sure the machine is centered with the ramps and that the steer ing wheels are straight 4 Properly stow the aerial platform AWarning The aerial platform is free to move when the brakes are released Death or serious injury can result Re enable the brakes before operating the aerial plat form 5 Chock the wheels to prevent uncontrolled motion of the aerial platform 6 Use a 7 4 wrench to rotate each brake release cam 90 referto Figure 10 3 Rotate the cam on the right brake cylinder counterclockwise and the one on the left brake cylinder clockwise This will retract the brake pins from the wheel lugs releasing the brakes Re move the wrench Figure 10 3 Rear of Chassis 7 Unlatch and swing out the hydraulic tray on the right side ofthe chassis The free wheeling v
55. nts may exist between moving compo nents Death or serious injury will result from be coming trapped between components buildings structures or other obstacles Make sure there is suf ficient clearance around the machine before mov ing the chassis or platform Allow sufficient room and time to stop movement to avoid contact with structures or other hazards Always look in the direction of movement Drive with care and at speeds compatible with the work place conditions Use caution when driving over rough ground on slopes and when turning Do not engage in any form of horse play or permit riders any place other than in the platform Secure all accessories containers tools and other ma terials in the platform to prevent them from accidentally falling or being kicked off the platform Remove all ob jects that do not belong in or on the aerial platform Never steady the platform by positioning it against an other platform Do not use boards or other temporary means to support or level the aerial platform Do not operate the aerial platform if it is damaged or not functioning properly Qualified maintenance personnel must correct the problem before putting the aerial platform back into service Operation Use three points of support when entering or exiting the platform For example use two hands and one foot when climbing into the platform Make sure the area below the platform is free of person nel before lowering
56. o the Snorkel Service Department for inspection All warranty replace ment parts will be shipped freight prepaid standard ground from the Snorkel Service Department or from Snorkel s Vendor to Dealer or Customer REPLACEMENT PARTS WARRANTY Any replacement or service part made or sold by Snorkel is not subject to the preceding Limited Warranty beyond the normal warranty period of the machine upon which the part was installed THIS WARRANTY EXCLUDES AND SNORKEL DOES NOT WARRANT 1 Engines motors tires and batteries which are manufactured by suppliers to Snorkel who furnish their own warranty Snorkel will however to the extent permitted pass through any such warranty protection to the Customer or Dealer 2 Any Snorkel product which has been modified or altered outside Snorkel s factory without Snorkel s written approval if such modification or alteration in the sole judgment of Snorkel s Engineering and or Service Departments adversely affects the stability reliability or service life of the Snorkel product or any component thereof 3 Any Snorkel product which has been subject to misuse improper maintenance or accident Misuse includes but is not limited to operation beyond the factory rated load capacity and speeds Improper maintenance includes but is not limited to failure to follow the recommendations contained in the Snorkel Operation Maintenance Repair Parts Manuals Snorkel is not responsible for normal main
57. of the chassis 1930 0361527 33 Chapter 9 Operation TR IA RA Er Sys TT a3 Figure 9 5 Swing Out Tray The tray on the right side of the chassis contains the lower controls the hydraulic directional control valve the pump free wheeling valve and the hydraulic fluid filter The tray on the left side contains the four batteries and the battery charger A Danger The aerial platform can tip over if it becomes un stable Death or serious injury can result from a tip over accident Do not open the trays when the plat form is raised more than eight feet To open a tray push down on the latch and swing the tray open Electrical Power Outlet The electrical power outlet has two 3 prong 125 voltAC electrical connectors refer to Figure 9 6 Their combined output is limited by a 15 amp circuit breaker Figure 9 6 Electrical Power Outlet Power is supplied to the outlet by connecting an external power source to the power input connector at the rear of the chassis refer to Figure 9 7 Power Input Connector Figure 9 7 Rear of Chassis To use the outlet plug a source of power into the power input connector Unplug the source of power before mov ing the aerial platform Wallboard Loading Gate The wallboard gate may be used for loading wallboard or other material It is hinged on the right side of the plat form and is pinned on the left For easy loading of work materi
58. ols only if all func tions operated properly from the lower controls Guardrail System The guardrail system refer to Figure 8 17 includes the top rail mid rail toeboards and an entry chain or optional swinging gate D d e Chain E meom a Figure 8 17 Guardrail System Inspect all components of the guardrail system The rails and toeboards must all be in place and free of any dam age or deformation Visually check the rail and toeboard 24 1930 0361527 Chapter 8 Prestart Inspection welds for cracks All bolts and nuts fastening the guard rails in place must be present and not show any signs of looseness Inspect the entry chain to be sure it is present and se curely fastened to the rail The chain must be free of damage and deformation that may prevent if from func tioning properly Inspect the hook and eye that secures the chain to the rail Inspect the optional swinging gate to see that it swings freely closes firmly and is not deformed in any way Make sure the gate is secure when it s closed Inspect the wallboard loading gate to see that it swings freely closes firmly and is not deformed in any way Make sure the gate is secure when it is closed Platform Extension A pin at the right front of the platform secures the exten sion deck and the upper controls to the main platform deck ACaution The extension deck is free to move when the pin is removed Make
59. per equipment and lifting techniques when lifting the aerial plat form Know the weight of the aerial platform and the capacity of the lifting devices before hoisting Lifting devices include the hoist or crane chains straps cables hooks sheaves shackles slings and other hardware used to support the machine The gross vehicle weight is stamped on the serial number placard and is listed in Chapter 2 The user assumes all responsibility for making sure the equipment used is capable of supporting the weight of the aerial platform and that all manufacturer s instruc tions and warnings regulations and safety rules of their employer and or any state or federal law are followed Use the following procedure to hoist the aerial platform onto the transport vehicle 1 Properly stow the aerial platform 2 Inspect the front lifting lugs refer to Figure 10 5 and the rear lifting lugs refer to Figure 10 6 to make sure they are free of cracks and are in good condi tion There are two lugs on the rear of the chassis and two on the front Have any damage repaired by a qualified service technician before attempting to hoist the machine Figure 10 6 Rear of Chassis 3 Remove all personnel tools materials or other loose objects from the platform 4 Connect the chains or straps to the lifting lugs using bolted shackles Hooks that fit properly in the lugs and that have latching mechanisms to prevent them
60. perating on anything other than firm flat level surfaces Horn The optional horn may be used to warn personnel on the ground The horn is operational when the machine is set up for operation from the upper controls Flashing Light An optional red or amber flashing light may be located at the rear of the aerial platform The flashing light warns personnel that the aerial platform is in the area The light flashes at about one flash per second when the machine is set up for operation from the upper controls 1930 0361527 Chapter 4 Safety Devices 12 1930 0361527 Chapter 5 Gauges and Displays The aerial platform is equipped with several gauges to monitor the condition of the machine before and during operation Hour Meter The hour meter is located on the lower control panel re fer to Figure 5 1 It measures the accumulated aerial platform operating time Figure 5 1 Lower Controls Ammeter The ammeter is located on the battery charger refer to Figure 5 2 When the batteries are charging the amme ter displays the level of current flow from the charger to the batteries as m e FORK LIFT X Figure 5 2 Battery Charger Battery Condition Indicator The optional battery condition indicator refer to Figure 5 3 is located on the upper control panel It displays the level of available battery power to operate the aerial plat form The number one on the sca
61. peration Emergency stop Shuts off upper controls Lowering alarm Sounds when platform lowers Drive motion alarm Sounds when aerial platform moves Electrical power outlet Proper operation Battery condition indicator Proper operation Horn Sounds when activated Placards and Decals In place and readable 1930 0361527 29 Chapter 8 Prestart Inspection 30 1930 0361527 Chapter 9 Operation The aerial platform may be operated from either the lower or upper controls A Danger The aerial platform is not electrically insulated Death or serious injury will result from contact with or inadequate clearance from an energized con ductor Do not go closer than the minimum safe ap proach distance as defined by ANSI Pinch points may exist between moving compo nents Death or serious injury will result from be coming trapped between components buildings structures or other obstacles Make sure there is sufficient clearance around the machine before moving the chassis or platform Allow sufficient room and time to stop movement to avoid contact with structures or other hazards The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Operate the aerial platform on a firm flat level surface Avoid travel speeds and or rough terrain that could cause sudden changes in platform position Do not drive or position the aerial platform for elevated use nea
62. r any drop off hole slope soft or uneven ground or other tip over hazard Do not raise the platform in the wind speeds above 28 mph 12 5 m s The platform rated work load is the total weight of the personnel and equipment that may be lifted in the plat form The work loads are stated on the platform rating placard mounted at the rear of the platform A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not exceed the capacity values indicated on the platform rating placard Capacity values indicate the rated lifting capacity and do not indicate aerial platform stability The operator bears ultimate responsibility for ensuring that the aerial platform is properly set up for the particular conditions encountered Preparing for Operation Make certain the batteries are charged and the charger is unplugged before operating the aerial platform Use the following procedure to prepare the aerial platform for operation 1 Perform a prestart inspection refer to Chapter 8 2 Close and latch the battery and hydraulic trays 3 Place the battery disconnect switch in the on posi tion Lower Controls The lower controls override the upper controls This means that the lower controls may be used to operate the plat form regardless of the position of the upper controls emer gency stop button Only the platform raise and lower functions may be oper
63. r is turned on to operate the machine Battery Condition Indicator The optional battery condition indicator refer to Figure 8 21 is located on the upper control panel Battery Condition Indicator Snorkel iN Figure 8 21 Upper Controls With the machine set up for upper control operation check to see that the gauge displays a power reading Placards and Decals Inspect all safety and operational placards and decals Make certain they are in place in good condition and are legible The placards and decals may be cleaned with soap and water and a soft cloth if the words or pic tures cannot be seen Caution Solvents may contain hazardous ingredients Fol low the manufacturer s label for proper use and dis posal Wear protective gloves and splash proof safety glasses when using solvents Wet paint overspray may be removed using a natural bio degradable solvent and a soft cloth Replace any miss ing or illegible placards or decals before operating the aerial platform Placard and decal kits are available from Snorkel The safety related placards and decals are illustrated on the following pages 26 1930 0361527 Chapter 8 Prestart Inspection PROPER USE OF SAFETY PROP Remove all material from platform Raise platform until the open height is wide Proper position for safety prop ue enough to position the safety prop x Place safety prop in the proper position Death or serious inju
64. r the platform and secure the chain or optional swinging gate 4 Pull the emergency stop button out 5 The aerial platform may be driven and the platform may be raised and lowered from the upper controls Driving A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not drive an elevated aerial plat form on soft uneven or sloping surfaces Do not drive a fully stowed machine on grades that exceed 20 percent Afully stowed machine may be operated on grades up to 20 percent Agrade of 20 percent is a 24 0 61 m verti cal rise in 10 3 05 m horizontal length Warning Death or serious injury can result from improperly driving or steering the aerial platform Read and understand the information in this manual and on the placards and decals on the machine before op erating the aerial platform on the job Use the following procedure to operate the drive func tions 1 Place the drive lift selector switch referto Figure 9 2 in the drive position 2 Squeeze and hold the interlock switch against the joystick To move forward slowly push the joystick forward To move backward slowly pull the joystick back ward Drive Speeds The drive speed is proportional to the joystick position The farther the joystick is moved the faster the travel speed Drive speed ranges are interlocked through a limit switch that senses
65. rd from the platform This system includes a harness or belt lanyard and a lanyard anchor Although federal regulations OSHA ANSI and Snorkel do not require the use of additional fall protection beyond the platform guardrails on scissor lift aerial platforms local state or employer rules may require their use floor or ground pressure the maximum pressure expressed in pounds per square inch a single wheel concentrates on the floor or ground free wheeling valve a needle valve that when adjusted open allows hydraulic fluid to flow through the wheel drive motors This allows the aerial platform to be pushed or towed without damage to the drive motors gradeability the maximum slope that the aerial platform is capable of travel ground fault circuit interrupter GFCI a fast acting circuit breaker that opens to stop electrical circuit flow if it senses a very small current leakage to ground The GFCI is used to protect person nel against a potential shock hazard from defective electrical tools or wiring guardrail system a vertical barrier around the platform to pre vent personnel from falling hazardous location any location that contains or has the poten tial to contain an explosive or flammable atmosphere as defined by ANSI NFPA 505 hydraulic tray a swing out compartment that hold the electrical panel for the lower controls the hydraulic directional control valve the free wheeling valve th
66. re 8 5 Cables and Wiring Harness 20 1930 0361527 Chapter 8 Prestart Inspection Hydraulic System Hydraulic power is supplied from a single stage hydraulic pump with a 4 25 horsepower DC electrical motor A Danger Hydraulic fluid escaping under pressure can have enough force to inject fluid into the flesh Serious infection or reaction will result if medical treatment is not given immediately In case of injury by escap ing hydraulic fluid seek medical attention at once The hydraulic reservoir pump filter and control valve are located in the hydraulic tray on the right side of the chas sis Fluid Level Check the hydraulic fluid level with the aerial platform on a level surface and the platform stowed The fluid level must be between the add and full marks refer to Figure 8 6 Fluid Level Indicator GELL Figure 8 6 Hydraulic Tray Caution Not all hydraulic fluid is suitable to use in the hy draulic system Some have poor lubricating char acteristics and can increase component wear Only use hydraulic fluid as recommended If necessary remove the filler cap and add fluid of the proper type Refer to Chapter 2 Specifications for the proper type and grade of hydraulic fluid to use The need to regularly add fluid indicates a leak that should be cor rected Hoses Tubes and Fittings Inspect all hydraulic hoses tubes and fittings for wear leakage or damage refer to Fi
67. rections The drive functions should not operate with the selector in the lift position Emergency Stop Push the emergency stop button in to turn off the electri cal power The upper control functions should not oper ate with the emergency stop in this position Lowering Alarm Raise the platform and then lower it to ensure that the alarm sounds to warn personnel in the area that the plat form is lowering Drive Motion Alarm Drive in both the forward and reverse directions to ensure that the alarm sounds to warn personnel in the area that the aerial platform is in motion 1930 0361527 25 Chapter 8 Prestart Inspection Electrical Power Outlet Connect a source of 125 voltAC power to the power input connector at the rear of the chassis Plug an electrical tool into the receptacle and try to operate the tool to verify proper operation of the outlet Use the following procedure to test the ground fault cir cuit interrupter GFCI 1 Push the test button refer to Figure 8 20 Reset Button Test Button TN E mmm Figure 8 20 Electrical Power Outlet 2 Plug an electrical tool into the outlet and verify the power is off Ifthe power was off push the reset button to restore power fthe power was on repair or replace the receptacle Flashing Light Ifthe machine is equipped with the optional flashing light visually check to see that it flashes The light should flash when powe
68. ree sides Rearforklift pockets e Chain entry gate Wallboard loading gate Five year limited warranty The aerial platform has been manufactured to conform to all applicable requirements of the following organizations Occupational Safety and Health Administration OSHA American National Standards Institute ANSI Canadian Standards Association CSA Options The following options may be provided on the machine Hom Flashing light Swinging platform gate Battery condition indicator Operator s Manual This manual provides information for safe and proper op eration of the aerial platform Some information in this manual refers to options that may not be on your ma chine Read and understand the information in this Operator s Manual before operating the aerial platform on the job Additional copies of this manual may be ordered from Snorkel Supply the model and manual part number from the front cover to assure that the correct manual will be supplied All information in this manual is based on the latest prod uct information at the time of publication Snorkel reserves the right to make product changes at any time without obligation Safety Alerts A safety alert symbol is used throughout this manual to indicate danger warning and caution instructions Fol low these instructions to reduce the likelihood of per sonal injury and property damage The terms danger warning and caution indicate varying d
69. rn to reser voir caused by kinked or twisted hose Remove the kink or twist from the hose Let fluid cool before resuming operation Hydraulic system component fail ure Stow the machine and do not oper ate until repairs are made Severe hydraulic leak Failure of hose tube fitting seal etc Stow the machine and do not oper ate until repairs are made 42 1930 0361527 Appendix A Glossary aerial platform a mobile device that has an adjustable position platform supported from ground level by a structure ambient temperature the air temperature of the immediate en vironment ammeter an instrument for measuring the strength of an electric current in amperes authorized personnel personnel approved as assigned to per form specific duties at a specific location base the relevant contact points of the aerial platform that form the stability support e g wheels casters outriggers stabilizers battery tray a swing out compartment that holds the batteries and the battery charger center of gravity the point in the aerial platform around which its weight is evenly balanced chassis the integral part of the aerial platform that provides mobil ity and support for the scissors structure fall restraint a system that is used while working on a boom lift within the boundaries of platform guardrails to provide restraint from being projected upwa
70. ronment into account If it is necessary to transfer from the platform to another struc ture the following guidelines apply 1 If you are using a fall restraint transfer your anchor age from one structure to the other before stepping across 2 Remember that you might be transferring to a struc ture where personal fall arrest is required 3 Use the platform entrance do not climb over or through the guardrails Electrical System Charge the batteries in a well ventilated area free of flame sparks or other hazards that might cause fire or explo sion Do not operate any of the aerial platform functions while the battery charger is plugged in A Warning Batteries give off hydrogen and oxygen that can combine explosively Death or serious injury could result from a chemical explosion Do not smoke or permit open flames or sparks when checking the batteries Battery acid can damage the skin and eyes Seri ous infection or reaction can result if medical treat ment is not given immediately Wear face and eye protection when working near the batteries Batteries contain sulfuric acid that can damage your eyes or skin on contact Wear a face shield rubber gloves and protective clothing when working around batteries If acid contacts your eyes flush immediately with clear water and get medical attention If acid contacts your skin wash off immediately with clear water Hydraulic System The hydraulic system contains hos
71. ry Remove hands and arms from scissors area might result if safety prop is not used and or Lower platform until scissors are supported by safety prop TO STORE SAFETY PROP Raise platform until the open height is wide properly positioned Use safety prop at all times when servicing machine with platform raised enough to position the safety prop Place the safety prop in the storage position F E 5 k le R DEATH DR SERIDUS INJURY COULD RESULT ZA FROM UNCONTROLLED MOTION 4 A sb Toning ttis machine requires releasing the brakes Falow instructions below when towing this machine Verity the brakes have een reset after towing and before operating the machina ON J 1 Before towing pushing or wincting machine must be on bvel ground with bech checked Read and understand al instructions efr to Operator s Manual Turn battery decomect switch to OFF postion 2 Uea awranch to otata Tee is lock out block to DCK A ry S 7 Sloscangs the rsarwhsal CAUTION DO NOT uoa Fred powar wil o O EN o oaks pinte disengaging brake Braks ia spring loaded o E o 3 Rotts Aeeattchte ALISANE keep hands clear of mechanism x SE A Ss shown Free hosl Keesen d ou y Tab control valve ee ei 3 4 Aor qoring matin e 5nd very that braka rassis fto oparaiing cvs M ES 300740 JOAKI
72. s 15 Charging EE 15 Chapter 7 Controls Battery Disconnect Switch ssssssss 17 Lower Controls e etl ened 17 Emergency Stop Button 17 Control Selector Switch eseusuussss 17 Platform Raise Lower Switch 17 Upper Controls A 17 Emergency Stop Button 18 Drive Lift Selector Switch ssssssssss 18 JOYSUICK i d dieti eed 18 InterlOck cerne totes onte tei 18 Steer SwItchi 4 2 2 n Lodi vedi ee dede c ER uude 18 Horn B ttori net ees 18 Battery Condition Indicator ec eeeeeeeeeereeeee 18 Circuit Breaker Reset Button 18 Chapter 8 Prestart Inspection Operator s Manual 19 Electrical System ceeceeeeeeeeeeetteeeeeeeeetneeeeeeeenaees 19 Battery Fluid Level eterne 19 Battery Terminals seseeeeeeees 19 Battery Charget iunii EAR antes 19 Safety Prop EE 20 Cables and Wiring Harness eseeeeeeeeeeneeeeenee 20 Hydraulic System 0 0 eeceeceeeeeeeeeteeeeeeeeetneeeeeeeeenaaees 21 Elo Level veel nadie eal ee 21 Hoses Tubes and Fittings sssssse 21 Free Wheeling Valve A 21 Tires and Wheels aasnosnonnnnsennenneessesssrerererrrrnrrenneeee 22 Parking Brakes sseeem 22 Ground Strap eimi ea aaea iee a a a 22 Lower Control Station eeesee 22 Operating Contre 22 Emergency Stop ssse eee 22 Lowering
73. s an emergency stop control at the lower and up per controls At the lower controls the emergency stop is a two posi tion push button refer to Figure 4 1 Push the emergency stop button in to disconnect power to all control circuits Pull the button outto restore power Emergency Stop Button Figure 4 1 Lower Controls Note The lower controls override the upper controls If the up per control emergency stop button is engaged the lower controls can still be used to operate the aerial platform At the upper controls the emergency stop is a two posi tion push button refer to Figure 4 2 Push the emergency stop button in to disconnect power to the upper control circuits Pull the button out to re store power Emergency Stop Button E a Ol a Figure 4 2 Upper Controls Drive Motion Alarm When the joystick is moved out of neutral to drive the aerial platform the alarm emits a loud beeping sound to warn personnel in the work area to stand clear Pothole Protector Skids The pothole protector skids automatically lower when the platform is elevated approximately 24 61 cm Ground clearance is reduced from 2 2 6 3 cm to 1 9 cm when the skids lock into position refer to Figure 4 3 A Danger The aerial platform can tip over if it becomes un stable Death or serious injury will result from a tip over accident Do not drive or position the aerial platform for e
74. ssor arms of each new machine manufactured by it to be free from defects in material and workmanship for an additional period of four 4 years Any such part or parts which upon examination by the Snorkel Service Department are found to be defective will be replaced or repaired by Snorkel through its local Authorized Dealer at no charge however any labor charges incurred as a result of such replacement or repair will be the responsibility of the Customer or Dealer The Snorkel Service Department must be notified within forty eight 48 hours of any possible warranty situation during the applicable warranty period Personnel performing warranty repair or replacement must obtain specific approval by Snorkel Service Department prior to performing any warranty repair or replacement Customer and Dealer shall not be entitled to the benefits of this warranty and Snorkel shall have no obligations hereunder unless the Pre Delivery and Inspection Report has been properly completed and returned to the Snorkel Service Department within ten 10 days after delivery of the Snorkel product to Customer or Dealer s rental fleet Snorkel must be notified in writing within ten 10 days of any machine sold to a Customer from a Dealer s rental fleet during the warranty period At the direction of the Snorkel Service Department any component part s of Snorkel products to be replaced or repaired under this warranty program must be returned freight prepaid t
75. tenance service adjustments and replacements including but not limited to hydraulic fluid filters and lubrication 4 Normal wear of any Snorkel component part s Normal wear of component parts may vary with the type application or type of environment in which the machine may be used such as but not limited to sandblasting applications 5 Any Snorkel product that has come in direct contact with any chemical or abrasive material 6 Incidental or consequential expenses losses or damages related to any part or equipment failure including but not limited to freight cost to transport the machine to a repair facility downtime of the machine lost time for workers lost orders lost rental revenue lost profits or increased cost This warranty is expressly in lieu of all other warranties representations or liabilities of Snorkel either expressed or implied unless otherwise amended in writing by Snorkel s President Vice President Engineering Vice President Sales or Vice Presi dent Marketing SNORKEL MAKES NO WARRANTIES WHICH EXTEND BEYOND THE DESCRIPTION OF THIS LIMITED WARRANTY SNORKEL MAKES NO IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE AND DISCLAIMS ALL LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES INCLUDING BUT NOT LIMITED TO INJURY TO PERSONS OR PROPERTY The Customer shall make all warranty claims through its local Authorized Dealer and should contact the Dealer from whom the Snorkel product was pur
76. the upper control position to operate the aerial platform functions from the upper controls Platform Raise Lower Switch Pull up on the platform switch toward the white arrow to raise the platform Release the switch when the desired height is reached Push down on the switch toward the black arrow to lower the platform The lowering alarm will sound as the plat form lowers Upper Controls The upper controls refer to Figure 7 3 are located on the control box at the platform The following controls are located at the upper control station Emergency stop button Drivellift selector switch Joystick to control platform lift drive and steer The optional horn button and battery condition indicator gauge may also be located at the upper control station 1930 0361527 Chapter 7 Controls Snorkel Drive Lift Selector Switch WES EM Interlock Switch Steer Switch vA Tis Emergency Stop Button The emergency stop is a two position red push button on the front of the upper control box Push the button in to disconnect power to all control circuits at the upper con trols Pull the button out to restore power Note The lower controls override the upper controls If the up per control emergency stop is engaged the lower con trols can still be used to operate the aerial platform Push the button in when the upper controls are not in use to help protect against unintentional platform operatio
77. top button out ward to the on position Platform will not raise or lower from upper controls Drive lift selector is in the drive po sition Place switch in the lift position Emergency lowering lever not prop erly disengaged Ensure lever returns to normal op erating position Platform will not raise and alarm is sounding Machine is not on a level surface Lower the platform and drive to a level surface Platform drifts down Emergency lowering lever not prop erly disengaged Ensure lever returns to normal op erating position Hydraulic system malfunction Stow the machine and do not oper ate until repairs are made Platform will not lower Safety prop in place Stow the safety prop Platform will not extend Latch pin still in place Remove latch pin before extending the platform 1930 0361527 41 Chapter 12 Troubleshooting Symptom Drive functions don t work Possible Cause Drive lift selector is in the lift posi tion Corrective Action Place the switch in the drive position Machine is not on a level surface or too steep a grade Lower the platform and drive to a level surface Free wheeling valve is open Fully close the free wheeling valve Load capacity exceeded Remove load from platform Refer to platform capacity placard for maxi mum capacity Low hydraulic system pressure
78. with the steering wheels turned to maximum Inside turning radius is the wheel closest to the center and outside turning radius is the wheel farthest from the center unrestricted rated work load the maximum designed carrying capacity of the aerial platform allowed by the manufacturer in all operating configurations 1930 0361527 Appendix A Glossary upper controls the controls located on or beside the platform used for operating some or all of the functions of the aerial platform wheelbase the distance from the center of the rear wheel to the center of the front wheel working envelope the area defined by the horizontal and verti cal limits of boom travel that the platform may be positioned in working height platform height plus six feet 1930 0361527 LIMITED WARRANTY Snorkel warrants each new machine manufactured and sold by it to be free from defects in material and workmanship for a period of one 1 year from date of delivery to a Customer or for one year after the machine has been placed in first service in a Dealer rental fleet whichever comes first Any part or parts which upon examination by the Snorkel Service Department are found to be defective will be replaced or repaired at the sole discretion of Snorkel through its local Authorized Dealer at no charge Snorkel further warrants the structural components specifically the mainframe chassis turntable booms and sci

0361527 S1930 Operators Manual.p65

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