Skyjack SJ12 Service Manual

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213558ADA
SJ12, SJ16
Section 4 – Troubleshooting Information Electrical System Troubleshooting
18. Loose or broken wire #19B from Diagnostic
switch S5 to Motor Controller. (Enable signal)
Check continuity. Replace if defective.
19. Loose or broken wire #19 from Base terminal
block to Tilt switch TS1.
Check continuity. Replace if defective.
20. Defective Tilt switch TS1. Test Tilt switch. Replace if defective
21. Loose or broken wire #28 from Tilt switch TS1 to
Tilt Relay 28CR.
Check continuity. Replace if defective.
22. Loose or broken wire #02 from Tilt switch TS1 to
Base terminal block.
Check continuity. Replace if defective.
23. Defective Tilt Relay 28CR. Check relay. Replace if defective.
24. Loose or broken wire #19A from Tilt Relay 28CR
to Motor Contactor C1.
Check continuity. Replace if defective.
25. Loose or broken wire #07 from Base terminal
block to Lift Speed Relay 14CR.
Check continuity. Replace if defective.
26. Loose or broken wire #59C from Lift Speed Relay
14CR to Base terminal block.
Check continuity. Replace if defective.
27. Defective Base Lift Resistor RST3.
Check resistor and make sure it is secure. Replace
if defective.
28. Defective Base Control Relay 59ACR. Check relay. Replace if defective.
29. Loose or broken wire #59B from Base terminal
block to Motor Controller.
Check continuity. Replace if defective.
4.2-9 Up Function Slow from Platform Control Console
1. Loose or broken wire #14 from Base terminal
block to Lift Speed Relay 14CR.
Check continuity. Replace if defective.
2. Loose or broken wire #02 from Base terminal
block to Lift Speed Relay 14CR.
Check continuity. Replace if defective.
3. Defective Lift Speed Relay 14CR. Check relay. Replace if defective.

Skyjack SJ12 Specifications

General

Gradeability	25%
Drive Motor	24V DC
Machine Width	32 in (0.81 m)
Stowed Height	6.5 ft
Overall Width	32 in (0.81 m)
Stowed Height (Rails Folded)	6.5 ft
Drive Speed (Elevated)	0.5 mph (0.8 km/h)
Power Source	Electric