Skyjack SJ12 Service Manual

73
SJ12, SJ16
213558ADA
Electrical System Troubleshooting Section 4 – Troubleshooting Information
14. Loose or broken wire #19B in Mast control cable
or its connections.
Check continuity between Mast function cable
connector P2 pin #5 and Platform connector X1
pin #C4 on cable. Check for loose or corroded
connections on cable connectors.Replace if wire is
defective.
15. Loose or broken wire #19B from Diagnostic
switch S5 to Mast Control cable.
Check continuity. Replace if defective.
16. Loose or broken wire #19B from Diagnostic
switch S5 to Motor Controller. (Enable signal)
Check continuity. Replace if defective.
17. Loose or broken wire #19 from Base terminal
block to Tilt switch TS1
Check continuity. Replace if defective.
18. Defective Tilt switch TS1. Test Tilt switch. Replace if defective.
19. Loose or broken wire #28 from Tilt switch TS1 to
Tilt Relay 28CR.
Check continuity. Replace if defective.
20. Loose or broken wire #02 from Tilt switch TS1 to
Base terminal block.
Check continuity. Replace if defective.
21. Defective Tilt Relay 28CR. Check relay. Replace if defective.
22. Loose or broken wire #19A from Tilt Relay 28CR
to Motor Contactor C1.
Check continuity. Replace if defective.
23. Loose or broken wire #59A from Base terminal
block to Base Control Relay 59ACR.
Check continuity. Replace if defective.
24. Loose or broken wire #02 from Base terminal
block to Base Control Relay 59ACR.
Check continuity. Replace if defective.
25. Defective Base Control Relay 59ACR. Check relay. Replace if defective.
26. Loose or broken wire #07 from Base terminal
block to Lift Speed Relay2 14CR1.
Check continuity. Replace if defective.
27. Loose or broken wire #59H from Lift Speed
Relay2 14CR1 to Base terminal block.
Check continuity. Replace if defective.
28. Defective Base Lift Resistor RST5.
Check resistor and make sure it is secure. Replace
if defective.
29. Loose or broken wire #59J from Base terminal
block to Base Control Relay 59ACR.
Check continuity. Replace if defective.
4.2-5 Up Function Slow from Base Control Console
1. Loose or broken wire #14 from base terminal
block to lift speed relay2 14CR1.
Check continuity. Replace if defective.
2. Loose or broken wire #02 from base terminal
block to lift speed relay2 14CR1.
Check continuity. Replace if defective.
3. Defective lift speed relay2 14CR1. 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