Skyjack SJ63 AJ+ Service Manual

150
SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
4.3-28 No Manual Platform Level Up from the Base Control Console
1. Loose or broken wire #10A from rotate switch
S16 to platform level switch S15.
Check continuity. Replace if defective.
2. Defective platform level switch S15. Check continuity through switch while activating
level up function between wires #10A and #41. If
no continuity found replace switch.
3. Loose or broken wire #41 from platform level
switch S15 to base terminal block.
Check continuity. Replace if defective.
4. Loose or broken wire #41 from base terminal
block to main harness pin plug pin#16.
Check continuity. Replace if defective.
5. Loose or broken wire #41 from main harness pin
plug pin#16 platform level up valve 5H-41.
Check continuity. Replace if defective.
6. Loose or broken wire #02 from turret harness pin
plug platform level up valve 5H-41.
Check continuity. Replace if defective.
7. Defective platform level up valve coil 5H-41. Check continuity and resistance through coil.
Replace if defective.
4.3-29 No Manual Platform Level Down from the Base Control Console
1. Loose or broken wire #10A from rotate switch
S16 to platform level switch S15.
Check continuity. Replace if defective.
2. Defective platform level switch S15. Check continuity through switch while activating
level down function between wires #10A and #40.
If no continuity found replace switch.
3. Loose or broken wire #40 from platform level
switch S15 to base terminal block.
Check continuity. Replace if defective.
4. Loose or broken wire #40 from base terminal
block to main harness pin plug pin#15.
Check continuity. Replace if defective.
5. Loose or broken wire #40 from main harness pin
plug pin#16 platform level down valve 5H-40.
Check continuity. Replace if defective.
6. Loose or broken wire #02 from turret harness pin
plug platform level down valve 5H-40.
Check continuity. Replace if defective.
7. Defective platform level down valve coil 5H-40. Check continuity and resistance through coil.
Replace if defective.
4.3-30 All Controls are Inoperative from the Platform Control Console
1. Open or defective emergency stop switch S4. Pull emergency switch out. Check continuity
through switch. Replace if defective.
2. Loose or broken wire #4A from emergency stop
switch S4 to platform start switch S9.
Check continuity. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English