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