5
4.3. INSTRUCTIONS FOR ANNUAL MAINTENANCE OF THE LIFT ...................... 29
Inspect thoroughly the support outriggers and the outrigger cylinder joints ................30
Check the frame structures, the boom system, the work platform and the platform carrier
Inspect thoroughly the hydraulic hoses, pipes and connections ..................................32
4.3.10. Inspect the cylinders, and lubricate the joint bearings .................................................35
4.3.11. Check the battery, the electrical appliances and the wiring .........................................35
4.3.12. Measure hydraulic pressures .......................................................................................36
4.3.13. Inspecting the condition and functionality of the operating controls ............................36
4.3.14. Decals, stickers and signs ...........................................................................................37
4.3.15. Instruction manuals ......................................................................................................37
4.3.16. Check the attachment and condition of the safety devices ..........................................37
4.3.17. Checking the operation of the safety limit switches .....................................................37
4.3.18. Checking the operation of the overload limit switches RK4 and RK5 ..........................38
4.3.19. Test loading ..................................................................................................................40
4.3.20. Check the lights ...........................................................................................................41
4.3.21. Inspect thoroughly the driving device ..........................................................................41
4.3.22. Lubricate the slide and threads of the jockey wheel ....................................................41
4.3.23. Change the hydraulic oil and the filter
.........................................................................41
5.1. PROBLEMS RELATED TO POWER SUPPLY AND START-UP ....................... 43
5.2. OPERATIONAL PROBLEMS RELATED TO MOVEMENTS ............................. 45
5.3. DRIFTING OF BOOM OR OUTRIGGERS ........................................................ 47
5.4. PROBLEMS RELATED TO TOWING ................................................................ 49
7.1. ELECTRIC COMPONENTS .............................................................................. 53
7.2. ELECTRIC DIAGRAM ....................................................................................... 59