SKYJACK, Page 5SJIII Compact Series
143909
Section 4 - Troubleshooting Information Service and Maintenance
Electrical System (Continued)
4.1-3 All Controls Inoperative From Base Control Console
1. Loose or broken wire #07 from base terminal block to platform emergency stop switch S4.
Check continuity. Replace if defective. -
2. Open or defective platform emergency stop switch S4.
Close switch. Replace if defective. -
3. Loose or broken wire #7A from platform emergency stop switch S4 to base terminal block.
Check continuity. Replace if defective. -
4. Loose or broken wire #7A from base terminal block to base key switch S10.
Check continuity. Replace if defective. -
5. Open or defective base key switch S10.
Close switch. Replace if defective. -
6. Loose or broken wire #10E from base key switch S10 to base up/down switch S2.
Check continuity. Replace if defective. -
4.1-4 All Controls Inoperative From Platform Control Console
1. Loose or broken wire #8C from base key switch S10 to base terminal block.
Check continuity. Replace if defective. -
2. Loose or broken wire #8C or wire #02 from base terminal block to platform emergency stop switch
S4.
Check continuity. Replace if defective. -
3. Open or defective platform emergency stop switch S4.
Close switch. Replace if defective. -
4. Loose or broken wire #8 or wire #02 from emergency stop switch S4 to battery charge indicator
BCI.
Check continuity. Replace if defective. -
5. Loose or broken wire #8 or wire #02 from battery charge indicator BC1 to joystick S7.
Check continuity. Replace if defective. -
6. Defective joystick enable switch S7-6.
Check switch. Replace if defective. -
7. Defective joystick neutral switch S7-1.
Check switch. Replace if defective. -
8. Defective joystick S7.
Check joystick. Replace if defective. -
4.1-5 No Drive or Up Function from Platform or Base Controls (CE only)
1. Defective tilt relay 28CR1 or Aux. tilt relay 28ECR1.
Check relay. Replace if defective. -
2. Loose or broken wire #02 from base terminal block to tilt relay 28CR1 or Aux. tilt relay 28ECR1.
Check continuity. Replace if defective. -
3. Loose or broken wire #28 from CM1 control module pin P3-4 to tilt relay 28CR1.
Check continuity. Replace if defective. -
4. Loose or broken wire #28E from CM1 control module pin P3-6 to Aux. tilt relay 28ECR1.
Check continuity. Replace if defective. -
5. Loose or broken wire #19 from base terminal block to Aux. tilt relay 28ECR1.
Check continuity. Replace if defective. -
6. Loose or broken wire #19A from Aux. tilt relay 28ECR1 to tilt relay 28CR1.
Check continuity. Replace if defective. -
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