Skyjack SJ63 AJ+ Service Manual

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SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
4.3-17 No Riser Down from the Base Control Console
1. Loose or broken wire #10C from boom switch
S12 to riser down switch S25.
Check continuity. Replace if defective.
2. Defective riser switch S25. Check continuity through switch while activating
down function between wires #10C and #30. If no
continuity found, replace switch.
3. Loose or broken wire #30 from riser down switch
S25 to base terminal block.
Check continuity. Replace if defective.
4. Loose or broken wire #30 from base terminal
block to main harness plug pin #7.
Check continuity. Replace if defective.
5. Loose or broken wire #30 from main harness
plug pin #7 to riser down valve 5H-30.
Check continuity. Replace if defective.
6. Loose or broken wire #02 from main harness
plug to riser down valve 5H-30.
Check continuity. Replace if defective.
7. Defective riser down coil 5H-30. Check continuity and resistance through coil.
Replace if defective.
4.3-18 No Turret Rotate Left from the Base Control Console
1. Loose or broken wire #10C from resistor R1 to
turret rotate switch S13.
Check continuity. Replace if defective.
2. Defective turret rotate switch S13. Check continuity through switch while activating
rotate left function between wires #10C and #32. If
no continuity found, replace switch.
3. Loose or broken wire #32 from turret rotate
switch S13 to base terminal block.
Check continuity. Replace if defective.
4. Loose or broken wire #32 from base terminal
block to main harness plug pin #9.
Check continuity. Replace if defective.
5. Loose or broken wire #32 from main harness
plug pin #9 to turret rotate left valve 5H-32.
Check continuity. Replace if defective.
6. Loose or broken wire #02 from main harness
plug to turret rotate left valve 5H-32.
Check continuity. Replace if defective.
7. Defective turret rotate left valve coil 5H-32. 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