Skyjack SJ82 T - Page 132

135
SJ82 T, SJ86 T
229040ABA
Electrical System Section 4 – Troubleshooting Information
3. Loose or broken jumper wire #36 on platform
terminal block.
Check continuity. Replace if defective.
4. Open or defective diode D36 in platform terminal
block.
Check diode. Replace if defective.
5. Loose or broken wire #36A from platform
terminal block to valve driver pin #17.
Check continuity. Replace if defective.
6. Loose or broken wire #36 or #02 from platform
terminal block to rotate left valve 4H-36.
Check continuity. Replace if defective.
7. Defective rotate left valve coil 4H-36. Check continuity and resistance through coil.
Replace if defective.
No Platform Rotate Right
1. Defective platform rotate switch S20. Check continuity through switch while activating
rotate right function between wires #08 and #37.
2. Loose or broken wire #37 from platform rotate
switch S20 to platform terminal block.
Check continuity. Replace if defective.
3. Loose or broken jumper wire #37 on platform
terminal block.
Check continuity. Replace if defective.
4. Open or defective diode D37 in platform terminal
block.
Check diode. Replace if defective.
5. Loose or broken wire #36A from platform
terminal block to valve driver pin #17.
Check continuity. Replace if defective.
6. Loose or broken wire #37 or #02 from platform
terminal block to rotate right valve 4H-37.
Check continuity. Replace if defective.
7. Defective rotate right Valve coil 4H-37. Check continuity and resistance through coil.
Replace if defective.
No Jib Up
1. Defective jib switch S21. Check continuity through switch while activating jib
up function between wires #08 and #35.
2. Loose or broken wire #35 from jib switch S21 to
platform terminal block.
Check continuity. Replace if defective.
3. Loose or broken jumper wire #35 on platform
terminal block.
Check continuity. Replace if defective.
4. Open or defective diode D35 in platform terminal
block.
Check diode. Replace if defective.
5. Loose or broken wire #34A from platform
terminal block to valve driver pin #33.
Check continuity. Replace if defective.
6. Loose or broken wire #35 or #02 from platform
terminal block to jib up valve 4H-35.
Check continuity. Replace if defective.
7. Defective jib up valve coil 4H-35. Check continuity and resistance through coil.
Replace if defective.
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