Skyjack SJ63 AJ+ Service Manual

147
SJ63 AJ+, SJ63 AJ 229043AAA
Electrical System - CE & AS Section 4 – Troubleshooting Information
9. Defective platform rotate switch S20. (Platform
controls only)
Check continuity through switch while activating
rotate left function between wires #8C and #36
as well as #8E and 35/34. If no continuity found,
replace switch.
10. Open or defective diode D36. (Platform controls
only)
Check diode. Replace if defective.
11. Loose or broken wire #20A from diode D36 to
valve driver pin #33.
Check continuity. Replace if defective.
12. Loose or broken wire #36 from platform terminal
block to rotate select valve 3H-36.
Check continuity. Replace if defective.
13. Loose or broken wire #02 from platform terminal
block to rotate select valve 3H-36.
Check continuity. Replace if defective.
14. Defective rotate select valve 3H-36. Check continuity and resistance through coil.
Replace if defective.
4.3-23 Platform Rotates too Quickly
1. Loose or broken wire #36 from platform rotate
switch S16 to base connector plug A pin #18.
(Base controls only)
Check continuity. Replace if defective.
2. Loose or broken wire #36 in boom cable A or its
connectors. (Base controls only)
Check for continuity between pins #18 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
3. Loose or broken wire #36 from plug A pin #18 to
platform terminal block. (Base controls only)
Check continuity. Replace if defective.
4. Loose or broken wire #36 platform rotate switch
S20 to platform terminal block. (Platform controls
only)
Check continuity. Replace if defective.
5. Loose or broken wire #36 from platform terminal
block to rotate select valve 3H-36.
Check continuity. Replace if defective.
6. Loose or broken wire #02 from platform terminal
block to rotate select valve 3H-36.
Check continuity. Replace if defective.
7. Defective rotate select valve 3H-36. Check continuity and resistance through coil.
Replace if defective.
4.3-24 No Platform Rotate Left from the Base Control Console
1. Loose or broken wire #10A from base terminal
block to relay 37CR.
Check continuity. Replace if defective.
2. Loose or broken wire #10D from relay 37CR to
platform rotate switch S16.
Check continuity. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English