Skyjack SJ63 AJ+ Service Manual

140
SJ63 AJ+, SJ63 AJ229043AAA
Section 4 – Troubleshooting Information Electrical System - CE & AS
Fuel Related Problems (Propane only)
NOTE
The fuel select switch is defaulted to gasoline. The engine will run on gasoline if propane is selected from
the switch and either the switch is bad or a wire is loose or broken from the switch. This is providing there is
nothing wrong on the gasoline side of the system. Disconnect fuel pump to test propane side.
31. Loose or broken wire #60 from platform terminal
block to fuel select switch S26.
Check continuity. Replace if defective.
32. Defective fuel select switch S26. Check switch. Replace if defective.
33. Loose or broken wire #11 from fuel select switch
S26 to plug B pin #3 in platform control console.
Check continuity. Replace if defective.
34. Loose or broken wire #11 in boom cable B or its
connectors.
Check continuity between pins #3 on cable B.
Check for loose or corroded connections on cable
connectors. Replace if wire is defective.
35. Loose or broken wire #11 from plug B pin #3 to
engine harness plug.
Check continuity. Replace if defective.
36. Loose or broken wire #11 from engine harness
plug to GM engine connector 1.
Check continuity. Replace if defective.
37. Loose or broken tan/brown wire from GM engine
connector 1 to ECU connector pin #42.
Check continuity. Replace if defective.
38. Loose or broken pink/tan wire from fuse F7 to
propane lock off 2P-56.
Check continuity. Replace if defective.
39. Loose or broken white/black wire from ECU
connector pin #75 to propane lock off 2P-56.
Check continuity. Replace if defective.
40. Defective propane lock off 2P-56. Check lock off. Replace if defective.
41. Loose or broken pink/dark green wire from fuse
F10 to fuse F9.
Check continuity. Replace if defective.
42. Defective fuse F9. Check fuse. Replace if defective.
43. Loose or broken red/light blue wire from fuse F9
to propane regulator PRV1.
Check continuity. Replace if defective.
44. Loose or broken black wire from engine ground
to propane regulator PRV1.
Check continuity. Replace if defective.
4.3-11 The Glow Plug Circuit is Inoperative
1. Defective glow plug fuse FU1 50 amp. Check fuse. Replace if defective.
2. Loose or broken wire #03 from start solenoid
57BCR to fuse holder FU1.
Check continuity. Replace if defective.
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Skyjack SJ63 AJ+ Specifications

General

Brand	Skyjack
Model	SJ63 AJ+
Category	Boom Lifts
Language	English