5
4.3. INSTRUCTIONS FOR ANNUAL MAINTENANCE OF THE LIFT...................... 30
4.3.1. Check the frame structures, the boom system, the work platform and the platform carrier
31
4.3.2. Inspect thoroughly the support outriggers and the outrigger cylinder joints ................ 31
4.3.3. Inspect the cylinders of the boom, and lubricate the joint bearings.............................32
4.3.4. Inspect thoroughly the Flyer-chains.............................................................................33
4.3.5. Inspect thoroughly the turning device..........................................................................34
4.3.6. Check electro-hydraulic rotary adaptor........................................................................34
4.3.7. Check thoroughly the tow hitch and the overrun ......................................................... 35
4.3.8. Lubricate the slide and threads of the jockey wheel....................................................35
4.3.9. Check thoroughly the condition of the brakes..............................................................35
4.3.10. Inspect the axle and the suspension ........................................................................... 35
4.3.11. Inspect thoroughly the driving device ..........................................................................36
4.3.12. Check the lights ...........................................................................................................36
4.3.13. Changethehydraulicoilandthelter .........................................................................37
4.3.14. Inspect thoroughly the hydraulic hoses, pipes and connections..................................37
4.3.15. Check the battery, the electrical appliances and the wiring .........................................38
4.3.16. Measure hydraulic pressures.......................................................................................38
4.3.17. Check the attachment and condition of the safety devices..........................................39
4.3.18. Checking the operation of the safety limit switches.....................................................39
4.3.19. Check the operation of the overload limit switches RK4 and RK5............................... 40
4.3.20. Inspecting the condition and functionality of the operating controls ............................ 42
4.3.21. Decals, stickers and signs ...........................................................................................42
4.3.22. Instruction manuals......................................................................................................42
4.3.23. Test loading..................................................................................................................43
4.3.24. Inspect the anti-corrosion treatment ............................................................................43
4.4. ADJUSTING THE MOVEMENT SPEEDS......................................................... 44
4.5. ADJUSTING THE OVERLOAD LIMIT SWITCHES........................................... 47
4.6. SPECIAL INSPECTION .................................................................................... 47
4.7. MAINTENANCE OF THE BATTERIES ............................................................. 49
5. INSTRUCTIONS FOR FAULT-FINDING ................................................................... 51
5.1. ERROR CODES IN BATTERY GAUGE............................................................ 51
5.2. PROBLEMS RELATED TO POWER SUPPLY AND START-UP ....................... 52
5.3. OPERATIONAL PROBLEMS RELATED TO MOVEMENTS............................. 53
5.4. DRIFTING OF BOOM OR OUTRIGGERS........................................................ 55
5.5. PROBLEMS RELATED TO TOWING................................................................ 57
6. HYDRAULIC SYSTEM .............................................................................................. 59
6.1. GENERAL INFORMATION OF HYDRAULICS ................................................. 59
6.3. HYDRAULIC COMPONENTS .......................................................................... 60
6.2. HYDRAULIC DIAGRAMS.................................................................................. 60
7. ELECTRIC SYSTEM ................................................................................................. 62
7.1. ELECTRIC COMPONENTS.............................................................................. 62
7.2. ELECTRIC DIAGRAM....................................................................................... 68
7.3. EL-SKEMA......................................................................................................... 69