Skyjack SJ63 AJ+ Service Manual

156
SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
5. No output on pin #5 of the valve driver to wire
#20B.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for valve driver
test procedure.
6. No output on pin #35 of the valve driver to wire
#33.
Check pin #35 for minimum 3.5 volts. If no voltage
present with foot on footswitch check section 5 for
valve driver test procedure.
7. Loose or broken wire #33 from valve driver
pin #35 to plug A pin #15 in platform control
console.
Check continuity. Replace if defective.
8. Loose or broken wire #33 in boom cable A or its
connectors.
Check for continuity between pins #15 on cable A.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
9. Loose or broken wire #33 from base connector
plug A pin #15 to base terminal block.
Check continuity. Replace if defective.
10. Loose or broken wire #33 from base terminal
block to main harness plug pin #10.
Check continuity. Replace if defective.
11. Loose or broken wire #33 from main harness
plug pin #10 to turret right valve 5H-33.
Check continuity. Replace if defective.
12. Loose or broken wire #02 from main harness
plug to turret right valve 5H-33.
Check continuity. Replace if defective.
13. Defective turret right valve coil 5H-33. Check continuity and resistance through coil.
Replace if defective.
4.3-37 No Toggle Switch Functions from the Platform Control Console
1. Loose or broken wire #08 or #04 from platform
terminal block to toggle switches.
Check continuity. Replace if defective.
2. Loose or broken wire #20A from toggle switches
to valve driver pin #33.
Check continuity. Replace if defective.
3. No output on pin #5 of the valve driver to wire
#20B.
Check pin #5 for 12 volts. If no voltage present with
foot on footswitch check section 5 for valve driver
test procedure.
4.3-38 No Telescope In from the Platform Control Console
1. Loose or broken wire #26A from platform
terminal block to telescope switch S18.
Check continuity. Replace if defective.
2. Defective telescope switch S18. Check continuity through switch while activating in
function between wires #26A and #38.
3. Loose or broken wire #20A from telescope
switch S18 to valve driver pin #33.
Check continuity. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English