Manuals - Autoquip Corporation
Contents
1. 1 YAONNId We NOINNNYL ONIMOVd TWAS Qari ssv19 ONIY GVND IN3W3OV T1838 WAS NOILISOd 319 NI 839N TId NYY 9NISVO NYA v iWwladq 40 18 QN3 Figure 9 Ram Detail 21 GENERAL MAINTENANCE VELOCITY FUSE REPLACEMENT DANGER Do not attempt to remove the velocity fuse until the lift is securely supported with the maintenance locking devices and all hydraulic pressure has been removed from the lifting cylinders and hydraulic hoses Failure to follow these instructions could result in personal injury or death Never attempt to take a velocity fuse apart and repair it These are precision devices that are factory assembled under exacting conditions Velocity fuses should always be replaced 1 The arrow on the exterior surface of the velocity fuse shows the direction of the restriction to the oil flow The arrow should always point away from the cylinder 2 Do not use Teflon tape on the threaded connections of a velocity fuse Tape fragments can cause malfunctioning of the fuse 3 Check all fitting connections for hydraulic leaks and tighten as necessary HOSE ORIENTATION To prevent damage to the cylinder hose and possible fail2. ALO 447 IN 39N343134 GENERAL MAINTENANCE CSg3H10 18 5 009 913 CLINGNOD ul LJ 0902 1091 04539403 Figure 12 Pushbutton Assembly 26 G4AQWSd A4403 5 LNAOW REPLACEMENT PARTS LIST PART DESCRIPTION 20022877 18DU16 Bushing 20024006 24DU24 Bushing 20036059 Caster 4 OD x 1_ face steel 20038006 Wheel 5 x 1 x steel 28003176 Cotter Pin 30000710 Motor 2HP 32701290 Solenoid 24VAC 32701370 Solenoid Coil 115 VAC 35108200 Control Panel 230V 1PH 24VAC 35700947 Connector Body Hubbel 230V 1PH 20A 35903610 Flanged Inlet Hubbel 230V 1PH 20A 35903228 Hinged Plug Cover 40200640 Pump 0 7 GPM 1725 RPM 3000 PSI Tang shaft 41050147 Suction Coil Strainer 90 degree elbow 41503030 Flow Control 1 5 41800541 Velocity Fuse 2 0 gpm 42300467 Ram 1 _ dia rod 56 stroke 45400058 Retaining Ring _ 45400082 Retaining Ring 1 1 8 45400259 Retaining Ring heavy duty 1_ 45400462 Retaining Ring Truarc n5000 200 45502234 Cylinder P
3. CMD PORTABLE DOCK SCISSORS LIFT CORPORATION P O Box 1058 1058 West Industrial Avenue Gethrie OK 73044 1058 405 282 5200 FAX 405 282 8105 www autoquip com Item 830CMD Version 1 0 07 2001 TABLE OF CONTENTS Identification and Inspection 3 Dangers Warnings and Cautions 4 Label Identification 8 Specifications 11 Lift Blocking Instructions 12 Installation Instructions 14 Operating Instructions 16 Routine Maintenance 18 General Maintenance 20 Replacement Parts List 27 Troubleshooting Analysis 28 IMPORTANT Please read and understand this manual prior to installation or operation of this lift Failure to do so could lead to property damage and or serious personal injury If any questions arise call a local representative or Autoquip Corporation at 1 888 811 9876 or 405 282 5200 PLANNED MAINTENANCE PROGRAM A local Autoquip representative provides a Planned Maintenance Program PMP for this equipment using factory trained personnel Call a local representative or Autoquip Corporation at 1 888 811 9876 or 405 282 5200 for more information IDENTIFICATION amp INSPECTION IDENTIFICATION When ordering parts or requesting information or service on this lift PLEASE REFER TO THE MODEL AND SERIAL NUMBER This information is on a nameplate attached to the leg assembly Replacement parts are available from a local Autoquip distributor INSPECTION Immediately upon receipt of the lift a visual inspection s
4. e The check valve in the pump assembly may not be seating This is indicated by the pump shaft and motor turning backward on their own with no power applied Generally this condition can be heard Replace the pump assembly Lift lowers very slowly e The down solenoid is not operating properly due to dirt or damage e Check for pinched tubing or hose Where pipe is used check for obstruction in the line e The oil is extremely viscous due to low ambient temperatures Add or replace with lower weight oil that stays thinner in cold conditions 5W 15 etc 28 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift does not raise The motor rotation for a 3 phase motor may be reversed Reverse only two motor electrical leads Check for a line or hose leak Check for oil shortage in the reservoir Add oil as necessary See Oil Requirements in the Routine Maintenance section The load may exceed the rating See the Specifications section Remove the excess load The suction filter may be clogged starving the pump Remove and replace the filter Drain and replace the oil The suction line may be leaking air due to a loose fitting Tighten as needed The breather holes in the reservoir fill plug may be clogged Remove and clean The voltage at the motor terminals may be too low to run the pump with the existing load Check by measuring the voltage at the motor
5. 3NI1 3805538d AWA 43034 0 0382 40 NOLO 3131400 19 4355 Figure 10 Hydraulic Schematic CMD 30 40 23 GENERAL MAINTENANCE WIRING THE MOTOR Use the following chart in connecting these motors to power sources HP and Source AMP Draw full load 2 HP 115 V 60 CY 1 PH 22A 2 HP 230 V 60 CY 1 PH 11A NOTE 115V 1ph 60Hz operation is not recommended If 115V 1ph operation is absolutely required the lift will function properly if adequate power is supplied However it is very sensitive to deviations from the required power Consequently performance could prove unsatisfactory To assure proper operation on 115V 1ph 60Hz power supply a separate circuit protected by a 30 AMP time delay circuit breaker and adequate wiring should be provided to allow and actual 115V at the power cord plug during fully loaded operation Specify if required MOTOR CONNECTION DIAGRAMS 115 V 1 PHASE 230 V 208 230 V 3 PHASE 460 V tU e TINT 4 iran N V AUS E MOTOR MOTOR y 1 2 5 1 2 5 Gann ine ae S TE S UNE 24 GENERAL MAINTENANCE HE A34 139 SHAHINI arms 2 40 f bipisqns
6. presents the imminent probability of death or of severe personal injury A WARNING Identifies a hazardous situation that has the potential of causing death or serious personal injury N CAUTION Identifies a hazardous situation that could lead to the possibility of personal injury of death and or may result in equipment damage DANGERS WARNINGS amp CAUTIONS Read and understand this manual and all labels prior to operating or servicing the lift All labels are provided in accordance with ANSI 2535 4 N DANGER Do not work under lift without maintenance device To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position See Lift Blocking Instructions section DANGER To avoid personal injury stand clear of scissors leg mechanism while lift is in motion DANGER 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 N DANGER HIGH VOLTAGE Disconnect and or lock out the electrical supply to the power unit prior to any maintenance being performed DANGERS WARNINGS amp CAUTIONS N DANGER Extending the platform length or width beyond the factory limit could cause the unit to tip which could result in personal injury or death N DANGER Do not attempt to remove the velocity fuse until
7. source voltage is ample e Most of Autoquip s standard motors are rated for intermittent duty two minute run times with two minute rests If a single phase motor is being run more than 15 20 motor starts per hour or a 3 phase motor more than 200 starts per hour the problem may be motor over heating e Running against relief pressure unnecessarily due to over loaded lift or hitting physical stops e Failure to observe wiring diagram on nameplate for proper voltage connections e The pump may be binding from oil starvation which develops high internal heat Check for low oil level or closed breather holes in the reservoir fill plug The pump can be irreparably damaged by oil starvation and may have to be replaced 31
8. the valve will make a squealing sound N CAUTION Precautions should be taken to prevent the introduction of contaminates such as dirt or other foreign material into the system through open fittings pipes or disassembled components Contamination will ruin the hydraulic system N CAUTION Use only approved oils in the lift See Specifications section LABEL IDENTIFICATION Figure 1 Label Placement Diagram CMD Item No Qty Description Part No 1 2 Caution Familiarize Yourself With Operators Manual 36401487 2 4 Danger Do Not Put Hands or Feet 36430050M 3 1 Autoquip Serial Number Nameplate 36401511 4 1 Fill with Recommended Oils Only 36400661 5 2 Capacity 36401594 LABEL IDENTIFICATION Note Labels shown here are not actual size FAMILIARIZE YOURSELF WITH OPERATORS MANUAL BEFORE OPERATING THIS EQUIPMENT Figure 2 Label 36401487 CUT LINE Figure 3 Label 36430050M Figure 4 Label 36401511 LABEL IDENTIFICATION Figure 5 Label 36400661 Troe BS TIAL AFE SGU HHE Ou FF A LE CIO Lt at 09 11141 r1 Figure 6 Label 36401594 10 SPECIFICATIONS Model Li
9. APACITY Standard polyethylene tank capacity is approximately five quarts PIPE THREAD SEALANT Loctite PST 567 pipe thread sealant or equivalent is recommended Do not use Teflon tape Tape fragments can cause malfunctioning of the hydraulic system 19 GENERAL MAINTENANCE CYLINDER REPLACEMENT 1 2 Lower the lift to the fully lowered position Continue to hold the DOWN button an additional 10 seconds after the lift has stopped traveling downward to relieve the system pressure Always shut off the main electrical switch when maintenance is to be performed Unbolt the two hex head bolts that connect the cylinder to the platform Disconnect the hydraulic hose from the cylinder N WARNING Do not remove the base clevis pin This will cause the lift to collapse While protecting the cylinder rod from damage pry upward and outward on the cylinder rod When the rod is free from the base push the rod into the cylinder and remove the cylinder by lifting it up through the cylinder mounting tube Reinstall the new cylinder assembly in the reverse procedure of the above instructions 20 GENERAL MAINTENANCE V VL 9 Was TAYI 0006 Mog 1331s 06 1 U3HSVM IM Matos 4303318 AY
10. D YNOHYINO 3IgHIn ecol 4 LITT 31va Odd VO A diog dinboyny Jo u eq jouubs pub duos ON IEC dH wt GE 53855 INJH9S 9 QIONVIS AWYN gor S 1081409 1014 1899841 OL WHHOS V OTE LOH H 108 3018 Y 7109 NO ON NOI123NNO2 THMIOH S31HOIONI fiut mata 3000 40709 zu 8 Hous OTR NOLLASHSNd GHKONHIS a Hun H3IHHIS HOLOW dn u LHM C ANNOYS N3349 2i X Z 0053105 NMOO Gad AONA 00 3108 NMOO 39NH8HO HAWHOASNHYL ere N aec N 7 HOLOM 3514 dWH 52 HOLOW 2U18 T SNOI LOI 191 91 0837 1821H123 13 Neo Zu 3SHHd 1 31042 89 bt E 110 BEZ H3 0438H0 E a c1 REN E a sous d ro 51381 09 SH3H40 A8 H3IHHIS 9010 LOANNOOSIG 03503 1140 dd on N 1 Figure 11 Electric Schematic 25
11. TREAD PLATE BOLTED ON FOR UNTERCHANGEABILITY FITS 3 SIDES AUDIBLE SIGNAL MOUNTED INSIDE POWER UNIT COVER Or ME ROS DETACHABLE T HANDLE DOLLY DOLLY TONGUE H TO BE USED FOR MOVING EMPTY LIFT ONLY NEM 12 PLATFORI i WIDTH 4 LI 10 OF STRAIGHT POWER CORO W TWIST LOCK CONNECTOR ON LIFT END p e a a Malum IT L2 ha ee eee ee eet PUSHBUTTON STATION W 10 OF CORD PRE WIRED TO POWER UNIT 18 x 68 ALUM HINGE BRIDGE WISAFETY CHAINS ALUM TREAD PLATE BOLTED ON FOR INTERCHANGEABILITY FITS 3 SIDES 68 SPECIFICATIONS CAPACITY 4000 165 UNIFORM LOAD 2000 185 EDGE LOAD 10000 185 MAX ROLL OVER LOAD ON 2 AXLES IN LOWERED POSITION LOWERED HT 5 3 86 TRAVEL 50 RAISED HT 56 SPEED 8 FEET MIN MOTOR 2HP 11S OR 230V 80H2 IPH CONTROL PUSHBUTTON UP DOWN MAG STARTER TRANSFORMER 24V CONTROL VOLTAGE FINISH PAINT SAFETY YELLOW 48 HIG REMOVABLE HANDRAIL W MIDRAIL AND 4 KICKPLATE FITS 3 SIDES POWER UNIT W REMOVABLE COVER 21 LIFT CYLINDERS NOTE RAISE LIFT APPROX 15 amp MOVE FLOOR ROLLER TO POSITION B LOWER LIFT ROLLER WiLL MOVE INTO POSITION AUTOMATICALLY INSERT DOLLY HANDLE REVERSE PROCEDURE AND MOVE FLOOR ROLLER m Figure 8 General Arrangement 15 OPERATING INSTRUCTIONS Sciss
12. acking Kit 45901014 Dyna Seal 46000030 Rubber Hose _ x 12 with swivel one end only 46000071 Rubber Hose _ x 24 NPT male fittings 46000097 Rubber Hose _ x 36 NPT male fittings 46200432 Suction Hose 3 8 46200267 Push on Hose _ 50110014 Detail of floor roller fmk CMD was 2 3171 52500303 Pin diameter x 5 9 16 long 2 ring 52500311 Pin diameter x 2 1 4 long no ring 52500667 Pin 1 1 8 diameter x 2 7 16 long 2 ring CMD upper leg pivot pin 52500675 Pin 1 1 8 diameter x 2 1 8 long 2 ring CMD lower leg pivot pin 52502226 Axle Pin PL with heavy duty snap ring 2 ends 1 1 8 diameter x 5 long 52502432 Clevis Pin 1 1 8 diameter x 2 3 32 long 52600269 Roller Assembly 3 OD x 1 1 8 ID x long 60950003 Handle Assembly 64200603 Hydraulic Reservoir Series 35 27 TROUBLESHOOTING ANALYSIS DANGER To avoid personal injury NEVER go under the lift platform until the load is removed and the scissors mechanism is securely blocked in the open position See Lift Blocking Instructions section PROBLEM POSSIBLE CAUSE AND SOLUTION Lift raises then lowers back e The Down solenoid may not be seating slowly Remove the solenoid coil and check again If the lift does not hold with the solenoid coil removed the down valve cartridge should be removed and cleaned or replaced as necessary e The oil line hose or fitting may be leaking Check and repair if necessary
13. fting Axle Load Axle Load Axle Load Approx Standard Base Min Cap Capacity Capacity Capacity Std Platform frame Lowered Ibs Over Opposite Over Power Inches Size Height Bridge End Bridge End Sides Unit Dim Inches Inches 105 105 105 Inches CMD 30 3000 1500 1500 1500 Built in 72x72 60 x 75 5 3 8 CMD 40 4000 2000 2000 2000 Built in 72x72 60 x 75 5 3 8 NOTE Both models have 2 rams a standard 2 HP motor 230 60 1PH a standard speed of 8 fpm a 50 travel and a shipping weight of 2450 pounds LOAD CAPACITY The load capacity rating is stamped on a metal plate attached to the lift This figure is a net capacity rating for a lift furnished with the standard platform The relief valve of the pumping unit has been set to raise the weight plus a small amount for overload Where gravity roll sections special tops etc are installed on the lift after leaving the plant deduct the weight of these from the load rating to obtain the net capacity Lifts should not be overloaded beyond the established capacity as damage and or personal injury may result UNBALANCED LOADING The stabilization provided is basically for balanced loads If special attachments extend beyond the length and or width dimensions of the platform the end and or side load capacity is reduced 296 for each one inch extension from the center PUMP PRESSURE This lift incorporates a positive displacement pump machined to a high degree of accuracy and s
14. he portability set is provided on the CMD as a means of moving the lift from one location to another without a load on the lift The portability wheels are located on each side of the lift where the lifting cylinder is mounted to the lift platform See Figure 7 Each lift is supplied with a Dolly T Handle that is also necessary for making the unit portable 1 2 Raise the lift approximately Flip the portability wheels on the platform over to a vertical hanging position OPERATING4NSTRUCTIONS 3 Lower the lift until the base frame at the cylinder end picks itself off of the floor approximately one inch 4 The lift can then be moved by pulling or pushing on the T handle To disengage the portability set 1 Lift the handle to a vertical position and remove it from under the tang Be careful as the handle will have a tendency to pull away as the base is lowered to the floor 2 Raise the lift approximately half way and rotate the portability wheels on the platform to their raised and stored position The lift can then be operated in a normal manner NOTE The lift must not be used for loading or unloading with the wheels in the portability position 17 ROUTINE MAINTENANCE Normally scissors lifts will require very little maintenance However a routine maintenance program could prevent costly replacement of parts and or downtime 1 N WARNING To avoid personal injury NEVER go
15. hould be made to determine that it has not been damaged in transit Any damage found must be noted on the delivery receipt In addition to this preliminary inspection the lift should be carefully inspected for concealed damage Any concealed damage found that was not noted on the delivery receipt should be reported in writing to the delivering carrier within 48 hours The following is a checklist that will aid you in the inspection of this lift 1 Examine entire unit for any signs of mishandling Pay special attention to the power unit and pushbuttons 2 Thoroughly examine all connections making sure they have not vibrated loose during transit and inspect wiring for any signs of damage After installation raise the lift and inspect the base frame platform scissors assembly and cylinder plumbing connections DANGERS WARNINGS amp CAUTIONS 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 N DANGER Identifies a hazardous situation that
16. or non functional must be replaced immediately to avoid personal injury Contact the Autoquip Service Department for replacement parts and installation instructions 12 LIFT BLOCKING INSTRUCTIONS UN P JRMAL OPERATION PORTABIL FLIPPED WHEN MAINT AND PORTABILITY WHE tr 4 5 Figure 7 Maintenance Locks amp Portability Wheels 13 INSTALLATION INSTRUCTIONS The CMD is easy to install and operate It is completely self contained and ready to go to work as soon as the unit is received The control is centrally located on the platform to allow operation from any side All electrical components and wiring are accordance with the National Electrical Code Loads can be quickly rolled over the hinged throw over bridge onto the platform A removable T handle is provided enabling one person to move the empty CMD No pit is required and the unit can be used to service several locations The portability wheels are large enough to facilitate ease of movement and to minimize damage to surfaces The CMD may be used inside or outside It requires no lagging and is completely weatherproof 1 Wire the heavy duty power cord into a suitable single phase outlet 2 Check to insure there is proper pump rotation 14 INSTALLATION INSTRUCTIONS PLATFORM LENGTH 72 30 x 60 HINGED APPROAC RAMP W SAFETY CHAINS ALUM
17. ors lifts have maximum lifting capacity ratings See the Specifications section The safety relief valve has been factory set to open at a point slightly above the rated load and allows the oil to bypass into the reservoir The safety relief valve should not be adjusted for any reason as it could cause the motor or pump to prematurely burn out Applying loads exceeding the rated capacity of the lift may result in excessive wear and damage to the lift This type of lift is designed primarily for dock applications and is furnished with constant pressure pushbutton controls Actuating the UP button will cause oil to enter the cylinders and the lift will rise When the desired height or upward travel of the platform is attained removing the operators hand from the switch deactivates the UP circuit button The oil stops flowing and the upward movement will stop To lower the lift activate the DOWN button Opening the down control valve allows the oil in the cylinders to flow through the down valve at a controlled rate and return oil to the reservoir When the desired height or downward travel of the platform is attained removing the operator s hand from the switch deactivates the DOWN circuit The oil stops flowing from the cylinders and the downward movement will stop N CAUTION Do not operate the power unit on relief for more than a few seconds When on relief the valve will make a squealing sound PORTABILITY T
18. pecially adapted to requirements of higher pressure ranges over that of a standard pump Therefore standard factory models of the same manufacture cannot replace it The pump can operate efficiently at intermittent pressures up to 3200 PSI and continuous duty to 2500 PSI The safety relief valve in the pump assembly is factory set to stay within the parameters of the pump and lift requirements 11 LIFT BLOCKING INSTRUCTIONS 1 Remove all load from the platform Never block the lift when loaded 2 Raise the platform sufficiently for the base rollers to rollback past the flip over maintenance locks located on the base frame of the lift 3 Engage both maintenance locks by flipping them over see Figure 7 4 Lower the platform until the base rollers come into contact with and rest against the maintenance locks Always hold the DOWN switch a few seconds more until all pressure is gone and the platform is supported entirely and safely by the maintenance locks 5 Always shut off the main electrical switch when blocked to prevent someone from turning it on DANGER To avoid personal injury NEVER go under the platform until the load is removed and the lift is securely blocked in the open position 6 To remove the maintenance locks raise the platform by activating the UP valve to provide sufficient clearance for the removal of the maintenance locks DANGER Maintenance locks that are bent damaged
19. ssing the DOWN button until the lift is in the fully lowered position 3 If the lift does not lower after trying Step 2 wait approximately 10 15 minutes for the pressure in the hydraulic system to equalize Then depress the DOWN button until the lift is in the fully lowered position 4 Once the lift is in the fully lowered position bleed the air from the hydraulic system by depressing the DOWN button Hold the DOWN button for approximately 60 seconds Repeat this process 8 10 times This step may need to be repeated several times to fully remove the air in the system by raising the lift to 50 of its travel then lowering Bleed air from the bleeder screw on top of the cylinder e Should the above steps not correct the problem contact Autoquip to obtain instruction for further action 30 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift seems bouncy during e Lower the lift to collapsed position and continue to operation hold DOWN button an additional 10 30 seconds to bleed air from the cylinder Do not confuse spongy or jerky operation with small surges that may occur when operating on rough or uneven floors e Check for oil starvation Motor labors or heats e The voltage may be low Check at the motor excessively terminals while the pump is running loaded not at the line source or while the pump is idling Inadequate wiring can starve the motor even when the
20. terminals or as near as possible while the pump is running under load Reading the source voltage or pump idling voltage is meaningless Inadequate or incorrect wiring can starve the motor when the source voltage is ample Correct as necessary The Down valve may be energized by faulty wiring or stuck open Remove the solenoid and check The motor may be single phasing Check wiring fuses etc The pump may be seized if motor is humming or blowing fuses on overload protection devices Remove the pump The pump should be able to be rotated by hand Check for cracks in the housing The down solenoid valve stem may be bent causing the valve to be stuck open Replace the down solenoid valve 29 TROUBLESHOOTING ANALYSIS PROBLEM POSSIBLE CAUSE AND SOLUTION Lift won t lower e The solenoid coil may be incorrectly wired burned out not rated for the voltage or the line voltage may be excessively low Check voltage near the coil e The velocity fuse may be locked Do not attempt to remove the velocity fuse The following steps should be followed 1 Remove the load from the lift Inspect all fittings hoses and other hydraulic components for leads or damage 2 If no leak or damage is noticed attempt to pressurize the lifting cylinder by depressing the UP button on the controller for a few seconds Immediately up releasing the UP button depress the DOWN button If the lift starts to lower continue pre
21. the maintenance locks securely support the lift and all hydraulic pressure has been removed from the lifting cylinders and hydraulic hoses Failure to do so could result in personal injury or death AN WARNING Do not operate this equipment without handrails stanchion and snap chains in place WARNING Under no circumstances should the speed control orifice be removed from the Deltatrol to obtain faster lowering speed A loaded lift can reach dangerous and destructive speed WARNING All warning and information decals should be in place as outlined in the Label Identification section If decals are missing or damaged they should be replaced with new ones Contact an Autoquip representative for replacements DANGERS WARNINGS amp CAUTIONS N CAUTION Never run the pump for more than a couple of seconds without pumping oil This applies to low oil conditions improper motor rotation running the pump against the relief pressure after the lift is fully raised against the physical stops running overloaded beyond capacity or running at reduced speed because of pinched or obstructed hydraulic lines N CAUTION Do not continue to depress the UP button on the controller if the lift is not raising or if the lift has reached the fully raised position To do so may result in permanent damage to the motor or pump N CAUTION Do not operate the power unit on relief for more than a few seconds When on relief
22. 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 Lift Blocking Instructions section MONTHLY INSPECTION Check oil level see oil recommendations in this section and add appropriate oil when necessary Check for any visible leaks Correct as necessary Check any unusual noise when it occurs Determine the source and correct as necessary Check the snap rings at all rollers if not in place and or secure replace or repair immediately Check all rollers for signs of wear Replace as necessary Do not grease roller or axles they have lifetime lubricated bearings Check all wiring for looseness or wear Repair at once OIL REQUIREMENTS Change oil yearly or more frequently if it darkens materially or feels gummy or gritty Do not use hydraulic jack oil hydraulic fluids brake fluids or automatic transmission fluid 18 ROUTINE MAINTENANCE Oil Viscosity Recommendations Environment Recommended Oil Ambient Temperatures Indoor location variable 10W30 or 10W40 temperatures 30 100 F Multiviscosity motor oil Indoor location consistent SAE 20W motor oil Temperatures 70 F Outdoor location 10 100 F SAE 5W30 Multiviscosity motor oil Cold storage warehouse 5W30 Multiviscosity 10 40 F motor oil Freezer 40 F to 0 F Consult Factory OIL C
23. ure of lift it is necessary to establish a correct hose shape and pattern of movement as follows 1 Raise the lift to its full height and block securely See Lift Blocking Instructions 2 Install one end of the new hose to the cylinder elbow fitting 3 Since the hose is fixed at both ends it is possible to put a twist in the hose that will allow it to describe the same pattern each time the lift is operated 4 Lower the lift carefully and check to see that the hose is free and clear of the cylinder and the leg assembly If not twist the hose in the direction necessary to clear it of any obstruction and then lock the swivel fitting securely 22 diog jo uossiuuad V JB Nd nijsuoo Joy pasn eq jpuupo pup dio dinboyny jo Muadosd sjos si siu JILL OL 5 11d GENERAL MAINTENANCE OLLY MA 410443538 431714 n L d 3 105 E ee ATA JAJE I HH P 3008 SON3d30 715 i ecd L ep SHON 1311 5 em d d Y 3 v N 4 gt TL BH ANIA 233H2 zy
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