Skyjack SJ46 AJ+ Service Manual

138
229042ABA SJ46 AJ+, SJ46 AJ, SJ51 AJ
Section 4 – Troubleshooting Information Electrical System - CE & AS
4.3-2 No Power
To Platform
1. Open or defective key select switch S2. Close switch. Replace if defective.
2. Loose or broken wire #07A from key select
switch S2 to plug A pins # 2 & 3 in base control
console.
Check continuity. Replace if defective.
3. Loose or broken wire #07A from plug A pins
# 2 & 3 in platform control console to platform
emergency stop switch S4.
Check continuity. Replace if defective.
4. Open or defective platform emergency stop
switch S4.
Check switch. Replace if defective.
5. Loose or broken wire #04 from platform
emergency stop switch S4 to Ignition/E-pump
switch S6
Check continuity. Replace if defective.
To Base
1. Open or defective base key switch S2. Select base position on key switch. Check
continuity through base key switch. Replace if
defective.
2. Loose or broken wire #12 from base key switch
S2 to Ignition/E-pump switch S5.
Check continuity. Replace if defective
3. Loose or broken wire #12 from base key switch
S2 to base connector plug A pin #5.
Check continuity. Replace if defective
4. Loose or broken wire #12 in boom cable A or its
connectors.
Check for continuity between pins #5 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
5. Loose or broken wire #12 from plug A pin #5
to emergency stop switch S4 in platform control
console.
Check continuity. Replace if defective
6. Open or defective emergency stop switch S4. Check switch is in on position. Check continuity
through switch. Replace if defective.
7. Loose or broken wire #10 from emergency stop
switch S4 to plug A pin #4.
Check continuity. Replace if defective
8. Loose or broken wire #10 in boom cable A or its
connectors.
Check for continuity between pins #4 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
9. Loose or broken wire #10 from plug A pin #4 to
base terminal block.
Check continuity. Replace if defective
10. Open or defective diode D10. Check diode. Replace if defective.
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Skyjack SJ46 AJ+ Specifications

General

Brand	Skyjack
Model	SJ46 AJ+
Category	Boom Lifts
Language	English