Scissors lift User`s Manual Installation, Operations
Contents
1. 3 Block both sides of the scissor assembly or insert maintenance strut See the Mechanical Parts Diagram and follow the Maintenance Device Instructions on page 11 4 Insert the end of a crow bar between the ram angle and the piston rod pivot Force the piston rod back into the cylinder casing while depressing down button This will allow most of the oil back to the tank 5 Disconnect the hydraulic line and breather line if equipped from cylinder port Make sure you plug the end of hose line s 6 Remove pin from cylinder bracket This will allow the cylinder to be removed from the scissor mechanism 7 The cylinder can be returned for repair Installation Of New Or Repaired Cylinder S 1 Make certain that all parts are clean 2 Insert pin back into the bracket 3 Remove plugs from hydraulic lines and or breather line if equipped 4 Reconnect the hydraulic line and or breather line if equipped THE SCISSORS LIFT IS IN THE HIGHEST UP POSITION AND PROPERLY BLOCKED 5 Reconnect electricity to the power unit 6 With the scissors lift still blocked in the up position push the up button allowing the rod to extend Do this in short intervals to control the positioning of the rod Make sure the rod pivot is captured in the ram angle Once pressure is off of the maintenance block or strut they can be removed 7 Power the scissors lift up and down several times to eliminate air from the hydraulic lines Page 16 of 22 14022. L 5 Scissors lift User s Manual Installation Operations Maintenance and Parts Serial No Shipping Date Capacity Model No Power Pack Motor Voltage Controls Special Notes Do not install operate or service this product unless you have Read and understand the Safety Practices Warnings and Installation and Operating Instructions contained in this User s manual Failure to do so could result in death or serious injury 50021004 2 1 OF 22 Table of Contents Scissors lift USer S MAaNUal 1 Table Of Gontents 2 SAFETY ALERTS Required reading 11 6 nnn 3 SAFETY PRACTICES 0 cies e E cem eves a atto eel 4 RESPONSIBILITIES OF OWNERS USERS 6 nns sensn nnn 5 Deflection I rc DE MEE 5 Inspection and Maintenance 1 lt EEE EEE EEE sea sea sua sea sea sea sea sea sn nnn 5 Removal from Service dues neto edle e die dde ex ede n nie en e onde Ted E 5 5 Operators MM MI IM oy 5 Modifications or Alterations eedem e xr xe rede bese eh 5 INSTALLATION INSTRUCTIONS niaii a e
3. RR 17 MECHANIGAL PARTS ravenna tee res eret unn eva eoa eee dr dea tea en e rh 18 PARTS A eee ed vara idc deinde eae P die od e eb i e 19 HYDRAUEIC HOSE EAYOJU T dr eerie dus seen rd EE eR 20 MANUAL LOWERING VALVE mM 21 LIMITED WARRANTY ess ee een as ee ete pA Kur aes ae uum 22 Page 2 of 22 14022001 0 SAFETY ALERTS Required reading The following SAFETY ALERTS are intended to create awareness of owners operators and maintenance personnel of the potential safety hazards and the steps that must be taken to avoid accidents These same alerts are inserted throughout this manual to identify specific hazards that may endanger uninformed personnel Identification of every conceivable hazardous situation is impossible Therefore all personnel have the responsibility to diligently exercise safe practices whenever exposed to this equipment A This is a safety alert symbol It is used to alert you to potential personal injury hazards Obey all safety messages that follow this symbol to avoid possible injury or death ADANGER Indicates imminently hazardous situation which if not avoided will result in death or serious injury Indicates a potentially hazardous situation which if not avoided could result in death or serious injury Indicates a potentially hazardous situation which if not avoid
4. or have explained and understood the manufacturer s operating instructions and safety rules e Inspect the lift for proper operation and condition Any suspect item shall be carefully examined and a determination made by a qualified person as to whether it constitutes a hazard All items not in conformance with the manufacturer s specification shall be corrected before further use of the lift During Operation The lift shall only be used in accordance with the manufacturer s operating maintenance manual Do not overload the lift e Ensure that all safety devices are operational and in place Modifications or Alterations Modifications or alterations of industrial scissors lifts shall be made only with written permission of the original manufacturer These changes shall be in conformance with all applicable provisions of the standard and shall be as safe as the equipment was before modification These changes shall also satisfy all safety recommendations of the original equipment manufacturer for the particular application of the lift Page 5 of 22 14022001 0 ADANGER To avoid injury stand clear of scissor mechanism pinch point while in motion Do not work under lift without maintenance strut in place See Maintenance Devicelnstructions High voltage to be handled by authorized personnel only Stay clear of pinch points Before installing the scissors lift read and follow the Safety Practices on page number 4 Stay clear of moving
5. to set proper height by adjusting the Elevator Bolt e To increase raise height loosen nut by turning it counter clockwise then turn Elevator bolt clockwise Note 1 clockwise turn gives approximately 1 of travel Once the required height is reached tighten nut by turning it clockwise e To decrease raise height loosen nut by turning it counter clockwise then turn Elevator bolt counter clockwise Once the required height is reached tighten nut by turning it clockwise Hinged Side Elevator bolt Up travel limit switch Note Limit switch may vary Page 13 of 22 14022001 0 Before servicing the scissors lift read and follow the Safety Practices on page 4 and the Operations section of this manual on page 10 TROUBLE SHOOTING POWER PACK ELECTRIC HYDRAULIC Problem Table does not lift Possible Solutions If motor does not operate check fuse and overload reset check for loose wall plug etc If scissors lift does not lift check oil level check solenoid check pump by removing hydraulic hose from outlet If oil spurts out of fitting when the pump is operated then check to see if proper pressure is developed by connecting a pressure gauge If the pressure is too low either the pump is worn out the solenoid valve is leaking the solenoid valve is stuck open or the relief valve is sticking Problem Table does not maintain steady height check for leakage of hydraulic fluid at hydraulic fittings
6. 007122A ART 1275A 6007120A 921 234A 6007074A 14022001 0 LOCATION One each long side platform edge One only long side of platform edge All sides of platform edge One each side of platform and one each side of scissor legs One only side of push button control One on each corner of platform One on electrical panel box One on electrical panel box One on each side of long platform and one each side top rail One on top of platform 11A Strut one on strut and one on base 11B Block two on base frame and on one each block One on base adjacent to maintenance device and 2 on long side of base Page 8 of 22 SAFETY LABELS LABELS NOT TO SCALE MAXIMUM RATED LIFTING CAPACITY AXLE LOAD CAPACITIES ADANGER om 0 000IbsP UU ENES REMOVE rU ERES Maximum Rated Capacity Label Part No 921 205S Yellow and Black Strips Red and Black on White Serial Number Label Safety Stripping Black amp Green on Silver Black onYellow Scissor Leg Safety Label Part No 6002569A Red amp Black on White A DANGER A DANGER stand clear while lift table is moving 6 Pl N H POI NT Stand Clear Label Part No 6007075A Pinch Point Label Part No 6007121A Red amp Black on White Red amp Black on Vite A DANGER A DANGER a HIGH VOUTAGE AUTHORISED PERSONNEL ONLY L2 High Voltage Label Part No 6007122A Arc Flash amp Shock Label Part No
7. 17 of 22 14022001 0 MECHANICAL PARTS 4 Equipment supplied with either a Maintanence Strut or a set of Maintanence Blocks depending on size and installation If shimming is required under the base frame hinge area insure that it extends the full area If shimming is required under the area of roller travel the shim must extend over the full length of travel to avoid bending of the base frame SHIMS NOT SUPPLIED WITH LIFT Page 18 of 22 14022001 0 PARTS PARTS LIST SERIAL NUMBER MUST BE INCLUDED WITH ORDER Page 1 Item No Qty Part No Description D 3 m I gt gt 79 gt A o 4 LD MP 1A Hinge Bushings A r 70 70 N Outer Scissors Inner Scissors gt rz M NT u U U A LD MP 5A Axle Bushings Ram Pins 79 gt LD MP 6A Bushings Rollers Cam Followers 79 N LD MP 8 LD MP 8A Roller Bushings 79 LD MP 10 Deck Platform Hinge Pins Base Frame xle Pin Roller Pins Ram Assembly Cylinder Ent ided 79 Plate when provided Refer 1 LD MP 12 Chain when provided Refer to page 1 LD MP 13 Rails when provided Refer to page 1 LD MP 14 Maintenance Strut All units equipped with either Strut or Blocks LD MP 15 Maintenance Blocks Refe
8. 2001 0 PREVENTIVE MAINTENANCE It is recommended that regular preventative maintenance and repairs be carried out by service representatives employed by SAFEBILT or its dealer In the case where a skilled mechanic s is available to the owner to perform these duties it is imperative that they be familiar with the equipment and the code requirements if in doubt contact SAFEBILT or its dealer so as not to present a danger to themselves or others ADANGER To avoid personal injury NEVER go under the lift platform or perform any maintenance on the lift until the load is removed and the scissors mechanism is securely blocked in the open position See Maintenance Device Instructions on page 11 Oil Change oil once a year or when it materially darkens feels gritty or has presence of water oil will turn milky in color Temperature above 32 F 0 C use Shell Tellus 32 or equivalent Temperature below 32 09 C use Shell Tellus 52 32 Low Thermo Oil The used fluids should be disposed of according to your local environmental codes Filter Remove and clean strainer each time you replace the oil more frequently depending on dust conditions in the area Oil Level When the scissors lift is in the lowered position a if equipped with a sight gauge the level should register on the gauge to maximum line not above b Tanks without sight level gauge the oil level should be 1 inch below the top of tank Monthly
9. 22 14022001 0
10. ART1275A Red amp Black on White Red amp Black on White THIS EQUIPMENT HAS BEEN Do not operate this equipment without handrails and snap chains BOLTED CLOSED FOR SHIPPING REMOVE ALL SHIPPING BOLTS BEFORE OPERATING Do Not Operate Without Rail and Chain Part No 6007120A Bolted Close for Shipping Label Orange and Black on White TNR ONOM RN A DANGER 11 12 Do not work under lift without maintenance Maintenance Device Label Part 921 234 Do Not Work Under Lift Label Part No 6007074A Black on Yellow Red amp Black on White Page 9 of 22 14022001 0 5 READ CAREFULLY BEFORE USING Before operating the scissors lift read and follows the Safety Practices on page 4 Always be certain the vehicle wheels are chocked and the parking brakes are set before loading or unloading Hinged bridge Lip must overlap vehicle bed a minimum of 4 100 MM before use DO NOT USE BRIDGE IF IT IS SUPPORTED SOLELY BY ITS Lifting CHAINS Introduction The elevating scissors lift features a deck of reinforced checker plate or smooth plate The scissor arms are of ample section with chromed hinge pins running in bushings at the stationary ends and cam followers or hardened rollers at the rolling ends Torque tubes connecting the scissor arms into pairs carry the mounting points for the lifting cylinders Bearing or bushings are provided at all major wear points The hydrauli
11. Inspection a Check all hydraulic circuit for any visible leaks Repair or replace faulty components b Check any unusual noise when it occurs determine the source and correct as necessary c Check the snap rings rollers and all pivot points If not in place and or secure replace or repair immediately d Check all rollers for sign of wear Replace as necessary e Visually inspect the unit for possible damage caused by abuse or misuse f Inspect that all hazard labels are in place and legible Replace if required Check electrical panel and all wiring for any loose connections or wear of material Use a proper certified electrician for any repairs required Lubrication Lubrication of cam followers if equipped should be performed on a regular maintenance schedule Lubrication of pivot points is not required All pivot points are equipped with self lubricating bushings or sealed bearings For scissors lifts fitted with spherical bearings at various pivot points special lubrication considerations should be followed with respect to load frequency and speed Maintenance departments must monitor bearing performance regularly and determine adequate lubrication frequency Incorporate bearing lubrication into the maintenance program of the scissors lift or the minimum on a weekly basis Pit The pit should be kept clean of debris and fluids Under no circumstances shall safety devices be by passed in order to keep the unit operational Page
12. LOWER PULL KNOB TO START DESCENT RELEASE TO RETURN TO NORMAL STATE STYLE 3 TO LOWER PUSH KNOB TO START DESCENT RELEASE TO RETURN TO NORMAL STATE STYLE 2 lt PULL D KNOB CCW FOR MANUAL PULL STYLE PUSH STYLE LOWERING OF THE LOAD FOR MANUAL LOWERING PULL KNOB FOR MANUAL LOWERING PUSH KNOB TURN CLOCKWISE TO STOP RELEASE KNOB TO STOP RELEASE KNOB TO STOP Page 21 of 22 14022001 0 LIMITED WARRANTY All SAFEBILT products carry a Warranty against defective parts and faulty workmanship for a period of one year commencing at the time of shipment from our Plant All replacement parts will be F O B Our Plant and will be issued on return of defective parts All purchased items such as Hydraulic Pumps Motors and other components will carry the Warranty of the Original Manufacturer This Warranty shall not cover failure or defective operation in excess of the recommended capacities misuse negligence accident alteration or repair not authorized by the company other Warranty exists except as stated herein SAFEBILT s obligation under this Warranty is limited to the replacement of defective components at the factory or at the discretion of SAFEBILT at a location designated by the Company SAFEBILT will not be liable for any Loss Injury or Damage to persons or Property nor for Damages of any kind resulting from Failure or Defective operation of any Materials or equipment furnished there under Page 22 of
13. c system consists of a power pack comprising a direct coupled motor and fully submerged pump with suction strainer oil reservoir solenoid operated lowering valve check valve relief valve compensated flow control valve manual lowering valve on all units except the 1Hp and 3Hp single phase and one or more hydraulic cylinders with a flow control valve necessary hoses and electrical equipment are provided including a two button control switch operating on 120 volt circuit Loading Although the unit will accept an unbalanced loading every effort should be made to load the deck in a uniform balanced manner for safe trouble free operation When handrails and safety chains are provided these should be used at all times across the open ends of the deck Hinged loading lips are fitted at the factory and greatly ease the operation of larger docks Safety chain hooks are used to securely hold the hinged loading lips in their over center raised position between use Always return the hinged lips to the storage position secured with safety chain hooks after each use if applicable Operation To raise the elevating scissors lift the up button is depressed on the control Switch This starts the motor via the starter on the power pack and pump sending hydraulic oil from the reservoir into the cylinder s As the oil forces the cylinder rods to extend the deck will rise until the button is released at the desired elevation Upon releasing
14. d load side and end axle loads Serial Number Plate PART NO 921 2055 Safety Stripping Label Intended to caution personnel the scissors lift may be in operation and to stand clear Scissor Leg Safety amp Avoid Bodily Injury Label Intended to warn personnel to read operating instructions before using the scissors lift to warn of possible bodily injury hazard Stand Clear While in Motion Label Intended to warn personnel to stand clear while the scissors lift is in operation Pinch Point Label Intended to warn personnel of pinch point hazard causing bodily injury High Voltage Label Intended to warn personnel of high voltage hazard Arc Flash amp Shock Label Intended to warn personnel of both electrical shock and arc flash hazards Do Not Operate Without Rails Label Intended to warn personnel against using scissors lift without the guard rails and chains being in place that were supplied with the lift Bolted Close for Shipping Label Intended to notify installer the scissors lift is bolted down for shipping and to avoid damaging the table bolts must be removed before operating Maintenance Device Intended to warn personnel not to use before reading instructions in manual for proper usage Strut displayed as 11A Block used for 3 sided pit 11B Not to support lift when loaded Do Not Work Under Lift Intended to warn personnel to have the maintenance device in place before going under lift 6002569AF 6007075A 6007121A 6
15. ed may result in minor or moderate injury Indicates a potentially hazardous situation which may result in property damage Page 3 of 22 14022001 0 SAFETY PRACTICES ADANGER Never go under the scissors lift unless the maintenance device is engaged in accordance with the manufacturer s instructions If maintenance or service is required Only authorized service personnel shall provide maintenance service on the scissors lift Follow approved lock out procedures Do not work on or under the lift without properly engaging the lift s maintenance device see Maintenance Device Instructions on page 11 The scissors lift shall not be modified or altered without the written permission of the original manufacturer Read these Safety Practices before installing operating or servicing the scissors lift Failure to follow the safety practices could result in death or serious injury Do not operate this scissors lift unless you have training and authorization Read understand and follow these instructions the hazard labels on the scissors lift and other warnings instructions contained in this User s Manual Prior to using the scissors lift verify that the safety devices supplied with the scissors lift guard rail restraint chains toe guards and warning bells if so equipped are in place and functioning properly Operate the scissors lift through one complete lift lower cycle and verify its proper operation At the same time inspect
16. eflection It is the responsibility of the user purchaser to advice the manufacture where deflection may be critical to the application Inspection and Maintenance The lift shall be inspected and maintained in proper working order in accordance with the manufacturer s operating maintenance manual and safe operating practices Only trained personnel and authorized personnel shall be permitted to perform maintenance service operations on the lift Maintenance Service personnel shall have Read and or have explained and understood the manufacturer s operating maintenance manual and all safety rules and labels prior to performing any maintenance service operations on the equipment Full time unlimited access to the manufacturer s operating maintenance manual Removal from Service Any lift not in safe operating condition such as but not limited to excessive leakage missing rollers pins or fasteners any bent or cracked structural members cut or frayed electric hydraulic or air lines damaged or malfunctioning controls or safety devices etc shall be removed from service until it is repaired to the original manufacturer s standards Repairs All repairs shall be made by qualified personnel in conformance with the manufacturer s instructions Operators Only trained personnel and authorized personnel shall be permitted to operate the lift Before Operation Before using the lift the operator shall have e Read and
17. hat the scissors lift cannot be raised prematurely or in error while maintenance is still being performed Proceed with the maintenance desired To bring the scissors lift back into service and remove the maintenance strut have all personnel stand clear of the scissors lift Bring the power pack back on line While holding the strut from outside the perimeter of the deck base area elevate the deck until the strut can be removed Step away from the scissors lift before proceeding to test proper function of the scissors lift MAINTENANCE POST IN POSITION MAINTENANCE POST MAINTENANCE INSIDE TOP amp POST HINGE SIDE HINGE SIDE Page 11 of 22 14022001 0 A DANGER Mechanical Scissor Blocks To ensure safe working conditions for personnel while performing maintenance and when using mechanical scissor blocks note the procedure outlined below 1 2 mu BM Elevate the deck platform to maximum upper travel This will provide the necessary clearance at the roller end of the scissor assembly for block insertion Place by hand each block in the base at the roller end of the scissor assembly Placement of the blocks should be such that the roller scissor leg is contacted squarely and in line with the axis of the base Do not expose your person to the under table area Slowly lower the deck observing that as the scissors close the blocks are pushed along the roller track The near end of the blocks should contact the ba
18. move the check valve and inspect for dirt if possible blow it clean with an air gun Problem Table locked in the Up position Lowering velocity of the scissors lift could be too high which locks the safety valve To unlock the scissors lift first pressurize the system using the power pack Secondly close the Flow Control valve which is located at the hose end power pack Once you have re pressurized the cylinders press the down and begin opening the Flow Control slowly Page 15 of 22 14022001 0 HYDRAULIC CYLINDER OVERHAUL The cylinder seals generally have a long life However due to an adverse or an extremely dusty environment premature failure of the seals can occur This problem will always be evident by leakage of oil out of the cylinders or oil in the breather line if equipped Note Opening the cylinder to check or replace the seals requires special tools Most hydraulic technicians and service centers do not have these tools The manufacturer of the cylinders has the necessary tools to service the cylinders If you encounter cylinder s that are leaking consult factory Procedure For Removal Of Cylinder S A DANGER Do not work under lift without maintenance strut in place 1 Prepare for some leakage spillage of oil when removing cylinder s Have the necessary containers and or absorbing materials to capture hydraulic fluid and avoid environment contamination 2 Raise the scissors lift to the highest point
19. nr a xx Exe EROR Y ve e kx eie 6 MAINTENANCE CHECK LIST To be made by authorized personnel 6 SAFETY LABEL LOCATION derit eae Ru E Do a 7 LABEL ITEM NUMBERS ts a eser eruta dta eaa 8 SAFETY LABELS az o ende et 9 OPERATIONS tase E 10 IMEROCUCTION RP EET 10 LOA GING LIMEN 10 Opera tO ex cic 10 MAINTENANCE DEVICE INSTRUCTIONS 4 7 1 44 4 4 1 44 11 Maintenance Safety eite eee Pr b eee eo E E RR eed 11 Mechanical Scissor Boeke d aere Ee oen en pe 12 Adjustment Procedure for Limit Switch 4 0 0 0 0 13 TROUBLE SHOOTING POWER PACK 4 14 TROUBLE SHOOTING POWER PACK AIR HYDRAULIC 15 HYDRAULIC CYLINDER OVERHAUL eder ee dure ER Eva erm NE d eau 16 Procedure For Removal Of 5 4 1 2 2 4 nnn nnn 16 Installation Of New Or Repaired 5 66 nnns 16 PREVENTIVE MAINTENANGE e en E e cada ri C RE MR UD CI
20. platform Scissors lift must be anchored to floor INSTALLATION INSTRUCTIONS Electrical power requirements are to be handled by a certified Electrician to ensure correct hook up motor rotation and that all electrical circuitry is working properly 1 Do not install the lift in a pit unless it has a bevel toe guard or other approved toe protection A shear point can exist which can cause severe injury to the foot 2 Lift platforms traveling below floor levels may create openings and the shape of the load and how the load is arranged on the lift may create a toe hazard as the load passes the top edge of the pit Both situations may require guarding in accordance with Federal Regulations Any such guarding must be installed prior to operating the lift 3 Before unstrapping the lift place it in the desired location 4 Unstrap the lift 5 Take the controls and place them where desired 6 Secure the scissors lift to the floor with anchor bolts thru four 4 holes located at points as marked If shimming is required under the base frame hinge areas insure it extends the full area If shimming is required under the area of roller travel the shim must extend over the full length of travel to avoid bending of the base frame Shims not included with equipment 7 Before using the Elevating Dock Lift Table all of the Lifting Lugs or Clamping Closures must be removed The unit is now ready for normal use Observe all warning and precautions in
21. power pack and hydraulic cylinders raise the scissors lift by holding down the up button while raising the scissors lift jog the down button by pressing and releasing it many times solenoid valve may be sticking lower the scissors lift to the collapsed position remove and if possible blow it clean with an air gun and re install lower the scissors lift to the collapsed position remove the check valve and inspect for dirt if possible blow it clean with an air gun Problem Table locked in the Up position Lowering velocity of the scissors lift could be too high which locks the velocity fuse To unlock the scissors lift unlock set screw on flow control valve Close flow control valve completely Push the up button on control to pressurize the cylinder s Then press and hold the down button on the control station and open the flow control valve very slowly When scissors lift begins to come down at desired speed lock flow control set screw on the knob Note Down speed cannot be too fast or velocity will lock again If up limit switch is included in up circuit call factory to describe solution Check the operation of the Peripheral Safety Stop Electrical Circuit if equipped When the Down Button is depressed the solenoid should operate If the Peripheral Toe Guards do not operate then the problem could be a bent bar or a sticking trip bar switch If the scissors lift is installed into a pit there is a possibility that
22. r to page 1 Shims Not Supplied LD MP 17 Safety Chains T ay Los a NE NE os a a Low Lom a a ar _ a E ae pops Page 19 of 22 14022001 0 HYDRAULIC HOSE LAYOUT 39VAVG IVNM3LNI NI LIASSY OS OG OL W31SAS WONJ 0318 SI d LNVIS NO 384055384 9NIATddV 3804338 SNYNL OL 31033N 9 340 9 OL 5 0 39NVN 1081130 TOMINOO MOTI Q3LVSN3dWOO 38055384 62 524 L 8 06 L 8 350 OMNVYGAH 9NO1 L3 X L 9 INNYYAAH 06 l 5 gf 33 g ISOH SNOT Or 4 0 INTdNOD INNYYOAH IH9IVMIS 98 ISNA ALIDO T3A 4 L 12 10953 5 IVOIdAL 14022001 0 MANUAL LOWERING VALVE COMMONLY USED MANUAL OVERRIDE ON SINGLE ACTING POWERPACKS A MANUAL OVERRIDE A SINGLE ACTING POWER UP GRAVITY DOWN POWER PACK ALLOWS THE OPERATOR TO LOWER THE LIFT TABLE IN CASE OF AN ELECTRICAL POWER OUTAGE STYLE 1 TO LOWER ROTATE KNURLED KNOB TO THE LEFT CCW TO START DESCENT ROTATE TO THE RIGHT CW TO STOP THE DESCENT AND RETURN TO NORMAL STATE STYLE 2
23. scissors lift for any visible or obvious damage If there is any damage or unusual vibration or noise remove the lift from service using approved lockout procedures Notify maintenance personnel immediately Do not exceed the lift s capacity as stated on the nameplate and center loads on the lift Be aware that the lift may have reduced capacity when loads are rolled over the platform s sides and ends If load is mobile secure load in a fixed position before operating lift Prior to operating the lift ensure that all personnel on or near the lift are aware of its imminent operation and that no person will be in harms ways during the use of the lift Ensure that objects are clear of the area beneath the platform and immediately surrounding the perimeter of the lift while it is in use Keep area around lift free of oil objects and debris that could cause slipping or tumbling into or under the lift Hinged bridge lip must overlap truck bed a minimum of 4 100 mm before use Do not use bridge if it is supported solely by its lifting chains Verify that snap chains in all openings are securely in place during and after each use of the scissor lift Safety chain hooks are used to securely hold the hinged loading lips in their over center raised position between use Always return the hinged lips to the storage position secured with safety chain hooks after each use Page 4 of 22 14022001 0 RESPONSIBILITIES OF OWNERS USERS D
24. se end member squarely and simultaneously Deck should stop when the blocks contact the member Ensure proper engagement on each side before proceeding with any maintenance Perform a Lock Out procedure on the unit s power pack to ensure that the scissors lift cannot be raised prematurely or in error while maintenance is still being performed Proceed with the maintenance desired To bring the scissors lift back into service and remove the mechanical blocks have all personnel stand clear of the scissors lift Bring the power pack back on line Elevate the deck to maximum and free the blocks With care remove the blocks from the roller track area 0 Step away from the scissors lift before proceeding to test proper function of the scissors lift SIDE VIEW MAINTENANCE BLOCKS IN POSITION P N lt N MAINTENANCE BLOCKS C A 2 2 2 Pes ROLLER SIE NN S END VIEW ROLLER SIDE MAINTENANCE BLOCKS IN POSITION ND MAINTENANCE BLOCKS EACH ir th Po ee BASE FRAME Page 12 of 22 14022001 0 Adjustment Procedure for Limit Switch if applicable e Up travel limit switch located at the hinged side set at requested travel can be adjusted
25. the Peripheral Safety Stops if equipped are hung up on snow ice or debris which has accumulated in the pit Page 14 of 22 14022001 0 Before servicing the scissors lift read and follow the Safety Practices on page 4 and the Operations section of this manual on page 11 TROUBLE SHOOTING POWER PACK AIR HYDRAULIC AIR POWERED UNITS ONLY Problem Table does not lift Possible solutions If motor does not operate check for sufficient Air Supply is air line lubricated and filtered check Air Line for any leaks If scissors lift does not lift check oil level check cartridge release assembly is it sticking check pump by removing hydraulic hose from outlet If oil spurts out of fitting when the pump is operated then check to see if proper pressure is developed by connecting a pressure gauge If the pressure is too low either the pump is worn out the cartridge release valve is stuck open or the check valve is sticking Problem Table does not maintain steady height check for leakage of hydraulic fluid at hydraulic fittings power pack and hydraulic cylinders raise the scissors lift by holding down the up button While raising the scissors lift jog the down button by pressing and releasing it many times cartridge release valve may be sticking lower the scissors lift to the collapsed position remove and if possible blow it clean with an air gun and re install lower the scissors lift to the collapsed position re
26. the button the motor and pump stop and a check valve maintains the deck at that level Pressing the down button on the control switch actuates the solenoid operated lowering valve only allowing the hydraulic oil to return to the reservoir along the pressure line and by pass the pump The deck will continue to descend until all the oil is exhausted from the cylinder and the stops on the base prevent further movement The downward motion can be halted at any point by releasing the down button This returns the lowering valve to its closed position Page 10 of 22 14022001 0 Before servicing the scissors lift read and follow the Safety Practices on 4 and the Operations section of this manual on page 10 MAINTENANCE DEVICE INSTRUCTIONS Maintenance Safety Strut To ensure safe working conditions for personnel while performing maintenance and when using a maintenance strut follow the procedure as outlined below Ne Elevate the deck platform to maximum upper travel Place by hand one end of the maintenance strut in the designated area in the base at the hinge end of the scissor assembly Do not expose your person to the under table area Slowly lower the deck holding the strut vertically and guide the strut into its designated area of contact on the deck Deck should stop when the strut is engaged Ensure proper engagement both top and bottom before proceeding Perform a Lock Out procedure on the unit s power pack to ensure t
27. this manual and on the scissors lift stickers MAI NTE NANCE CH ECK LIST To be made by authorized personnel Do not work under lift without maintenance strut blocks in place Check all hoses and fittings at the base for signs of leaks Check the anchor bolts to make sure that they are tight secure and not damaged See the maintenance section for cam follower lubrication Check electrical cords and wiring for any fraying or cuts Check electrical switches and controls for damaged or broken fittings Page 6 of 22 14022001 0 SAFETY LABEL LOCATION FRONT AND REAR VIEW SIDE VIEW Panel Box c 3HP 208V 3PH 60HZ DANGER 68 HIGH VOLTAGE AUTHORIZED PERSONNEL ONLY n RELIEF 2500 PSI RESET It is the owner s responsibility to ensure that all safety labels are affixed in their original position and remain legible throughout the life of the scissors lift NOTE Page 7 of 22 14022001 0 ITEM Q TY 1 2 2 1 3 8 4 6 5 1 6 8 7 1 8 1 9 4 10 1 11 114 2 11B 3 12 3 LABEL ITEM NUMBERS DESCRIPTION Maximum rated Capacity Label Intended to warn personnel to read operating instructions before operating scissors lift and the maximum weight capacity with an evenly distribute
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