Skyjack SJ63 AJ+ Service Manual

169
SJ63 AJ+, SJ63 AJ 229043AAA
Electrical System - CE & AS Section 4 – Troubleshooting Information
6. Loose or broken wire #15 from base plug B pin
#4 to reverse drive valve 4H-15.
Check continuity. Replace if defective.
7. Loose or broken wire #02 from base terminal
block to reverse drive valve 4H-15.
Check continuity. Replace if defective.
8. Defective reverse drive valve coil 4H-15. Check continuity and resistance through coil.
Replace if defective.
4.3-54 No High Speed Drive
NOTE
MEWP must be level and boom must be fully retracted and horizontal or below.
1. Loose or broken wire #09 from base terminal
block to limit switch LS2.
Check continuity. Replace if defective.
2. Open or defective limit switch LS2. Ensure riser is fully stowed. Adjust switch if
required. Check continuity through switch. Replace
if required.
3. Loose or broken wire #29 from limit switch LS2
to base terminal block.
Check continuity. Replace if defective.
4. Loose or broken wire #29 from base terminal
block to limit switch LS3.
Check continuity. Replace if defective.
5. Open or defective limit switch LS3. Ensure boom is horizontal or below. Adjust switch if
required. Check continuity through switch. Replace
if defective.
6. Loose or broken wire #29A from limit switch LS3
to base terminal block.
Check continuity. Replace if defective.
7. Loose or broken wire #29A from base terminal
block to limit switch LS4.
Check continuity. Replace if defective.
8. Open or defective limit switch LS4. Ensure boom is fully retracted. Adjust switch if
required. Check continuity through switch. Replace
if defective.
9. Loose or broken wire #59 from limit switch LS4
to base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #59 from base terminal
block to plug B pin #15.
Check continuity. Replace if defective.
11. Loose or broken wire #59 in boom cable B or its
connectors.
Check for continuity between pins #15 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
12. Loose or broken wire #59 from plug B pin #15 to
platform terminal block.
Check continuity. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English