Skyjack SJ82 T Service Manual page 119

Telescopic booms
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Section 4 – Troubleshooting Information
No Turret Rotate Right
1. Loose or broken wire #10A from ignition/ pump
switch S5 to resistor R2.
2. Open resistor R2.
3. Loose or broken wire #10B from resistor R1 to
turret rotate switch S13.
4. Defective turret rotate switch S13.
5. Loose or broken wire #33 from turret rotate
switch S13 to base terminal block.
6. Loose or broken wire #33 from base terminal
block to turret harness plug pin #11.
7. Loose or broken wire #33 from turret harness
plug pin #10 to turret rotate left valve 4H-33.
8. Loose or broken wire #02 from turret harness
plug to turret rotate left valve 4H-33.
9. Defective turret rotate left valve coil 4H-33.
No Telescope Retract From Base Control Console
1. Loose or broken wire #10A from ignition/ pump
switch S5 to telescope switch S14.
2. Defective telescope switch S14.
3. Loose or broken wire #38 from telescope switch
S14 to base terminal block.
4. Loose or broken wire #38 from base terminal
block to turret harness plug pin #12.
5. Loose or broken wire #38 from turret harness
plug pin #12 to telescope retract valve 3H-38.
6. Loose or broken wire #02 from turret harness
plug to telescope retract valve 3H-38.
7. Defective telescope retract valve coil 3H-38.
229040ABA
122
Check continuity. Replace if defective.
Check resistor for 7 ohms. If no resistance found,
replace resistor.
Check continuity. Replace if defective.
Check continuity through switch while activating
rotate left function between wires #10B and #33. If
no continuity found, replace switch.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity and resistance through coil.
Replace if defective.
Check continuity. Replace if defective.
Check continuity through switch while activating
retract function between wires #10A and #38. If no
continuity found, replace switch.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Check continuity and resistance through coil.
Replace if defective.
Electrical System
SJ82 T, SJ86 T

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