Skyjack SJ63 AJ+ Service Manual

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SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
9. Loose or broken wire #31 from base connector
plug A pin #13 to base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #31 from base terminal
block to main harness plug pin #8.
Check continuity. Replace if defective.
11. Loose or broken wire #31 from main harness
plug pin #8 to riser up valve 5H-31.
Check continuity. Replace if defective.
12. Loose or broken wire #02 from main harness
plug to riser up valve 5H-31.
Check continuity. Replace if defective.
13. Defective riser up valve coil 5H-31. Check continuity and resistance through coil.
Replace if defective.
4.3-34 No Riser Down from the Platform Control Console
1. Loose or broken wire #04 from platform terminal
block to joystick controller A3.
Check continuity. Replace if defective.
2. Loose or broken wire #02 from platform terminal
block to joystick controller A3.
Check continuity. Replace if defective.
3. No output on R signal from joystick controller A3. Refer to joystick test procedure in section 5.
4. Loose or broken wire “R” from joystick controller
A3 to valve driver pin #30.
Check continuity. Replace if defective.
5. No output on pin #5 of the valve driver to wire
#20B.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for valve driver
test procedure.
6. No output on pin #12 of the valve driver to wire
#30.
Check pin #12 for minimum 3 volts. If no voltage
present with foot on footswitch check section 5 for
valve driver test procedure.
7. Loose or broken wire #30 from valve driver
pin #12 to plug A pin #12 in platform control
console.
Check continuity. Replace if defective.
8. Loose or broken wire #30 in boom cable A or its
connectors.
Check for continuity between pins #12 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
9. Loose or broken wire #30 from base connector
plug A pin #12 to base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #30 from base terminal
block to main harness plug pin #7.
Check continuity. Replace if defective.
11. Loose or broken wire #30 from main harness
plug pin #7 to riser down valve 5H-30.
Check continuity. Replace if defective.
12. Loose or broken wire #02 from main harness
plug to riser down valve 5H-30.
Check continuity. Replace if defective.
13. Defective riser down valve coil 5H-30. Check continuity and resistance through coil.
Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English