Skyjack SJ46 AJ+ Service Manual

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229042ABA SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 4 – Troubleshooting Information Electrical System - CE & AS
13. Loose or broken wire #34A from diode D34 to
main harness plug pin #11.
Check continuity. Replace if defective.
14. Loose or broken wire #34A from main harness
plug pin #11 to jib enable valve 2H-34A.
Check continuity. Replace if defective.
15. Loose or broken wire #02 from main harness
plug to jib enable valve 2H-34A.
Check continuity. Replace if defective.
16. Defective jib enable valve 2H-34A. Check continuity and resistance through coil.
Replace if defective.
No Manual Platform Level Up from Platform Control Console
1. Loose or broken wire #08 from platform terminal
block to platform leveling switch S19.
Check continuity. Replace if defective.
2. Defective platform leveling switch S19. Check continuity through switch while activating
level up function between wires #08 and #41.
3. Loose or broken wire #20A from platform leveling
switch S19 to valve driver pin #33.
Check continuity. Replace if defective.
4. No output on pin #5 of the valve driver to wire
#20.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for OCM pin
voltage reference.
5. Loose or broken wire #41 from platform leveling
switch S19 to plug B pin #11 in platform control
console.
Check continuity. Replace if defective.
6. Loose or broken wire #41 in boom cable B or its
connectors.
Check for continuity between pins #11 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
7. Loose or broken wire #41 from base connector
plug B pin #11 to base terminal block.
Check continuity. Replace if defective.
8. Loose or broken wire #41 from base terminal
block to main harness plug pin #16.
Check continuity. Replace if defective.
9. Loose or broken wire #41 from main harness
plug pin #16 to level up valve 4H-41.
Check continuity. Replace if defective.
10. Loose or broken wire #02 from main harness
plug to level up valve 4H-41.
Check continuity. Replace if defective.
11. Defective level up valve coil 4H-41. Check continuity and resistance through coil.
Replace if defective.
No Manual Platform Level Down from Platform Control Console
1. Loose or broken wire #08 from platform terminal
block to platform leveling switch S19.
Check continuity. Replace if defective.
2. Defective platform leveling switch S19. Check continuity through switch while activating
level down function between wires #08 and #40.
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Skyjack SJ46 AJ+ Specifications

General

Brand	Skyjack
Model	SJ46 AJ+
Category	Boom Lifts
Language	English