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Electrical System
9. Loose or broken wire #13 from base connector
plug A pin #6 to base terminal block.
10. Loose or broken wire #13 from base terminal
block to turret harness plug pin #3.
No Turret Left
1. Loose or broken wire #04 from platform terminal
block to joystick controller A1.
2. Loose or broken wire #02 from platform terminal
block to joystick controller A1.
3. No output on x-axis of joystick controller A1.
4. Loose or broken wire "X" from joystick controller
A1 to valve driver pin #28.
5. No output on pin #5 of the valve driver to wire
#20B.
6. No output on pin #20 of the valve driver to wire
#32.
7. Loose or broken wire #32 from valve driver
pin #20 to plug A pin #14 in platform control
console.
8. Loose or broken wire #32 in boom cable A or its
connectors.
9. Loose or broken wire #32 from base connector
plug A pin #14 to base terminal block.
10. Loose or broken wire #32 from base terminal
block to turret harness plug pin #10.
11. Loose or broken wire #32 from turret harness
plug pin #10 to turret left valve 4H-32.
12. Loose or broken wire #02 from turret harness
plug to turret left valve 4H-32.
13. Defective turret left valve coil 4H-32.
No Turret Right
1. Loose or broken wire #04 from platform terminal
block to joystick controller A1.
2. Loose or broken wire #02 from platform terminal
block to joystick controller A1.
SJ82 T, SJ86 T
Section 4 – Troubleshooting Information
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Go to No Boom Lower Function from Base or
Platform Control Consoles.
Check continuity. Replace if defective.
Check continuity. Replace if defective.
Refer to joystick test procedure in section 5.
Check continuity. Replace if defective.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for OCM pin
voltage reference.
Check pin #20 for minimum 3.5 volts. If no voltage
present with foot on footswitch check section 5 for
OCM pin voltage reference.
Check continuity. Replace if defective.
Check for continuity between pins #14 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
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. Replace if defective.
229040ABA
131
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