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Installation/Operation & Maintenance Manual

6140H 2-POST LIFT

Chapter 7 TROUBLESHOOTING

7.1 TROUBLESHOOTING GUIDE

Troubleshooting and possible repairs require
absolute compliance with ALL THE SAFETY

PRECAUTIONS indicated in

Chapter

“

MAINTENANCE

” and

Chapter 3

“

SAFETY

”.

7.2

POSSIBLE

PROBLEMS

AND

SOLUTIONS

Problem

Possible Cause

Solution

The lift does non rise when the
pushbutton is pressed
(motor does not run)

Burnt fuse
Line current does not arrive
Malfunction in the electric plant:
-Broken limit switch
-Burnt motor

Replace fuse
Connect again
Call Service Center

The lift does non rise when the
pushbutton is pressed
(motor runs)

Not enough oil
Drain solenoid valve opened
Max pressure valve working
Leaks in the hydraulic circuit

Top un oil level
Check electric connections or
change it
Take load down
Repair the hydraulic circuit

Lift continues to rise after having
released the up pushbutton

Faulty pushbutton

Unplug the lift and call Service
Center

Lift does not descend

Foreign object
Solenoid valve blocked
Malfunction in the electric plant
Carriages still lean on security
devices
Block valves have tripped

Remove object
Change it (call Service Center)
Call Service Center
Make the correct descent se-
quence
Repair the hydraulic circuit dam-
age

The lift does not rise to the maxi-
mum height

Oil is not enough

Add oil into the power unit oil tank

After having released the up
pushbutton, the lift stops and low-
ers slowly

Drain valve dose not close be-
cause it is dirty
Defective drain valve

At the same time set the rise and
descent movements, to clean the
valve
Change (call Service Center)

The power unit motor overheats

Motor malfunction
Wrong voltage

Call Service Center
Check voltage

Power unit pump is noisy

Dirty oil
Wrong assembling

Change oil
Call Service Center

Oil leakage from cylinder

Damaged gaskets
Dirt in the plant

Change the damaged gaskets
Clean all parts
Check the valves are not dam-
aged

Table 6

Содержание GM - 6140H

Страница 1: ...this manual before operation You must read and understand the precautions for safety to protect your safety and any damage to your property ELECTRO HYDRAULIC 2 POST LIFT Installation Operation Mainte...

Страница 2: ...r model GM 6140H As for the assurance of safety in design and construction of car lift read this Manual first Please make sure that this manual is delivered to end users for their implementation of sa...

Страница 3: ...D Chapter 3 SAFETY 3 1 GENERAL PRECAUTIONS 3 2 RISKS OF ELECTRIC SHOCK 3 3 RISKS AND PROTECTION DEVICE 3 4 LONGITUDINAL AND LATERAL MOVEMENT 3 5 RISKS WHILE THE VEHICLE IS BEING RAISED 3 6 RISKS OF PE...

Страница 4: ...nce Manual GM 6140H 2 POST LIFT 6 3 PERIODIC LUBRICATION CHART Chapter 7 TROUBLESHOOTING 7 1 TROUBLE SHOOTING GUID 7 2 POSSIBLE PROBLEMS AND SOLUTIONS APPENDIX A SPECIAL NOTES APPENDIX B SPARE PARTS 2...

Страница 5: ...rms Rear side the side with the long arms Fig 2 illustrates the various parts of the lift Fig 2 1 1 FIXED STRUCTURE The structure consists of 2 posts service Fig 2 1 and command Fig 2 10 side post bui...

Страница 6: ...quipped with a manual oil drain valve Fig 3 3 see the use and maintenance chapter A maximum pressure valve Oil tank Fig 3 4 An oil delivery and return flexible pipe to the cylinders feeding circuit No...

Страница 7: ...of contamination that does not exceed class 18 15 according to ISO 4406 for example IP HYDRUS OIL 32 SHELL TELLUS OIL T32 or equivalent Model No Capacity 4 000kg Overall Height 2794mm Overall Width 34...

Страница 8: ...RICAL DIAGRAM Fig 6 1Ph Electrical Diagram Fig 7 3Ph Electrical Diagram Table 5 S N DESCRIPTION 1 Master cylinder 2 Slave cylinder 3 Manual lowering valve 4 Check valve 5 Motor 6 Pump 7 Filter 8 Press...

Страница 9: ...clearance may interfere with the structure of the lift Pay particular attention in the case of low body sports cars Always keep the capacity of the lift in mind in the case of vehicles with particular...

Страница 10: ...CT AND UNAUTHORISED USE OF THE LIFT During lift and descent movements the operator must remain in the command station as defined in figure 8 The presence of persons inside the danger zone indicated in...

Страница 11: ...e especially during the lifting phase on the rack These movements can be avoided by positioning the vehicle correctly on the arm disk support plates which must be previously adjusted to the same heigh...

Страница 12: ...wer unit will trip if the lift is overloaded Fig 13 If the lift reaches to the maximum height the up limit switch will stop the lifting Fig 14 Fig 14 In case of a sudden great leakage in the hydraulic...

Страница 13: ...y or completely underneath the moving structure During this phase the operator must remain in the command zone Fig 18 Fig 18 3 6 2 RISK OF CRUSHING PERSONNEL When the platform and the vehicle are desc...

Страница 14: ...D This could hamper lowering or cause the vehicle to fall from the rack Fig 24 Fig 24 3 6 6 SLIPPING This risk may arise due to spillage of lubricants in the surrounding area Fig 25 Fig 25 ALWAYS KEEP...

Страница 15: ...e is already lifted Fig 27 All uses of the lift other than the uses for which it was designed are liable to give rise to serious accidents involving the persons working in the immediate vicinity of th...

Страница 16: ...observance of the clearances between walls pillars other machines etc indicated in figure 26 and incompliance with any legislative requirements in the county of installation Check in particular Minim...

Страница 17: ...height of 2900mm Before starting to assemble the lift check the crate contains all the needed material 4 4 1 POST ASSEMBLING Install both boards on the bases keep the main column upright and put the...

Страница 18: ...PLANT CONNECTION WARNING The operations listed below must be performed by skilled personnel 4 4 3 1 Before connecting the electric system make sure that The power supply plant to the lift is equipped...

Страница 19: ...s 40 on the arms ends Mount the arms into the carriage supports and insert the dowel pins into the support holes as shown in Fig 38 Notice the entry of both arms is the same with the entry of the vehi...

Страница 20: ...Z SERVICE CENTRE INDICATED IN THE FRONT OF THIS MANUAL 4 6 1 NO LOAD TESTS In this phase check the following That the up button operate correctly That the rack reaches the maximum height That there ar...

Страница 21: ...arriages are raised the safety wedges are inserted automatically into each of the iron pad under the carriage Regarding lift limits and safety devices see pages 6 7 RISKS WHILE THE VEHICLE IS BEING RA...

Страница 22: ...Quickly find the cause of any abnormalities such as excessive noise overheating leaking fluids etc Special attention is required for The condition of lifting parts cylinder power unit Safety devices...

Страница 23: ...on the safety wedges In case of excessive wear replace the safety wedges and or pins Use a torque wrench to check that the post bases anchor bolts screws are properly tightened to the ground as well...

Страница 24: ...eriod of time Oil should be disposed as indicated in Appendix A page 22 AFTER EACH MAINTENANCE OPERATION THE MACHINE MUST RETURN TO ITS INITIAL C O N D I T I O N S I N C L U D I N G T H E DISASSEMBLEE...

Страница 25: ...r having released the up pushbutton Faulty pushbutton Unplug the lift and call Service Center Lift does not descend Foreign object Solenoid valve blocked Malfunction in the electric plant Carriages st...

Страница 26: ...hould be recalled that for tax purposes demolition must be documented submitting claims and documents according to the current laws in the country in which the rack is installed at the time the machin...

Страница 27: ......

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