Skyjack SJ16 Service Manual

78
213558ADA
SJ12, SJ16
Section 4 – Troubleshooting Information Electrical System Troubleshooting
4.2-12 Steer Only Inoperative
1. Loose or broken wire #08B from Joystick S7
connector pin #9 to Lift/Off/Drive switch S3.
Check continuity. Replace if defective.
2. Open or defective Lift/Off/Drive switch S3.
Operate switch.Check continuity between wire
#08B and wire #12B when Drive selected.Replace
if defective.
3. Loose or broken wire #12B from Lift/Off/Drive
switch S3 to Steer switches S7-2 and S7-3.
Check continuity. Replace if defective.
4. Open diode D23 or D24. Check diodes. Replace if defective.
5. Loose or broken wire #17A from Base terminal
block to Steer Relay 17CR.
Check continuity. Replace if defective.
6. Defective Steer Relay 17CR. Check relay. Replace if defective.
7. Loose or broken wire #17B from Steer Relay
17CR to Base terminal block..
Check continuity. Replace if defective.
8. Open diode D17B-1 or D17B. Check diodes. Replace if defective.
9. Defective Lift Speed Relay2 14CR1. Check relay. Replace if defective.
10. Loose or broken wire #59G from Lift Speed
Relay2 14CR1 to Base terminal block.
Check continuity. Replace if defective.
11. Defective steer only resistor RST4.
Check resistor and make sure it is secure. Replace
if defective.
12. Defective Base Control Relay 59ACR. Check relay. Replace if defective.
4.2-13 Right Steer Inoperative
1. Open or defective right steer switch S7-2.
Operate switch.Check continuity between wire
#12B and wire #23 on switch.Replace switch if no
continuity when operating switch.
2. Loose or broken wire #23 from Right Steer
switch S7-2 to Joystick S7 connector pin #3.
Check continuity. Replace if defective.
3. Loose or broken wire #23 from Joystick S7
connector pin #3 to Mast function cable
connector X1 pin #B3.
Check continuity. Replace if defective.
4. Loose or broken wire #23 in Mast function cable
or its connections.
Check continuity between Mast function cable
connector P2 pin #7 and Platform connector X1
pin #B3 on cable. Check for loose or corroded
connections on cable connectors.Replace if wire is
defective.
5. Loose or broken wire #23 from Mast function
cable to Base terminal block.
Check continuity. Replace if defective.
6. Open diode D23. Check diode. Replace if defective.

Skyjack SJ16 Specifications

General

Gradeability	25%
Drive Motor	24V DC
Max Gradeability	25%
Platform Height	16 ft
Lift Capacity	500 lbs
Machine Width	0.76 m
Overall Width	0.76 m
Drive Speed (Stowed)	4.8 km/h
Drive Speed (Raised)	0.8 km/h
Turning Radius (Inside)	0 in
Power Source	24V DC Electric