Skyjack 4632 - Section 4 Troubleshooting Information; Electrical System; Hydraulic System

SECTION 4, Page 1SJIII Series - The Conventionals 129919
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Section 4
Troubleshooting Information
Table Of Contents
Introduction ................................................................................................................................................ 2
Electrical System
4.1-1. All Controls Inoperative ........................................................................................................................3
4.1-2. All Controls Inoperative From Platform .................................................................................................3
4.1-3. Lift And Drive Inoperative From Platform Controls ...............................................................................4
4.1-4. No Down Or Reverse Only Function From Platform Controls ..............................................................4
4.1-5. No Up Or Forward Only Function From Platform Controls ..................................................................4
4.1-6. No Up Function From Platform Or Base Controls ................................................................................4
4.1-7. No Down Function From Platform Controls (CE Machines Only) .........................................................5
4.1-8. No Down Function From Platform Controls .........................................................................................5
4.1-9. Platform Lifts Slow From Platform Controls And Base Controls ........................................................... 5
4.1-10. Steer Only Inoperative ..........................................................................................................................5
4.1-11. Drive Only Inoperative .......................................................................................................................... 5
4.1-12. No Drive Or Steer When Platform Fully Lowered (All Machines) ..........................................................5
4.1-13. No Drive Or Steer When Platform Elevated (All Machines) ...................................................................6
4.1-14. No Drive Or Steer From Platform (Machines With Powered Platform Only) .......................................... 6
4.1-15. Right Steer Inoperative (Machines With A Powered Platform) ..............................................................6
4.1-16. Left Steer Inoperative (Machines With A Powered Platform) ................................................................6
4.1-17. No Elevated Drive Function .................................................................................................................. 7
4.1-18. Work Platform Drives In Slow Speed Only ...........................................................................................7
4.1-19. Forward Drive Function Inoperative ......................................................................................................7
4.1-20. Reverse Drive Function Inoperative ...................................................................................................... 7
4.1-21. Brake Will Not Release ......................................................................................................................... 7
4.1-22. Lift Up Inoperative From Base Controls ............................................................................................... 8
4.1-23. Lift Down Inoperative From Base Controls ...........................................................................................8
4.1-24. Two Or More Functions At One Time ...................................................................................................8
4.1-25. Powered Platform Extension Will Not Extend Or Retract ......................................................................8
4.1-26. Powered Extension Platform Will Not Extend .......................................................................................8
4.1-27. Powered Extension Platform Will Not Retract .......................................................................................9
4.1-28. High/Low Torque Inoperative ................................................................................................................9
Hydraulic System
4.2-1. All Functions Inoperative .................................................................................................................... 10
4.2-2. Platform Drifts Down ...........................................................................................................................10
4.2-3. Platform Lifts Slowly ...........................................................................................................................10
4.2-4. Platform Does Not Lift ........................................................................................................................10
4.2-5. Platform Will Not Lower ...................................................................................................................... 10
4.2-6. Platform Drives Slow ...........................................................................................................................10
4.2-7. Platform Will Not Drive In Forward Or Reverse ................................................................................... 10
4.2-8. Brake(s) Will Not Release ................................................................................................................... 10
4.2-9. Brake(s) Will Not Release (Machines with Integral Brakes) ................................................................11
4.2-10. Machines Will Not Hold on a Grade (Machines with Integral Brakes) ................................................ 11
4.2-11. Platform Does Not Steer ..................................................................................................................... 11
4.2-12. All Systems Sluggish .......................................................................................................................... 11
4.2-13. Power Extension Platform Will Not Extend Or Retract ........................................................................11
4.2-14. High/Low Torque Inoperative .............................................................................................................. 11
AF