116
SJ6826RT, SJ6832RT
213560ABA
Section 4 – Troubleshooting Information Electrical System
1. Defective Left Front Outrigger switch S20 at
Platform control console.
Operate switch.
Check continuity between wire #35D and wire #71 at
switch for UP function.
Check continuity between wire #35D and wire #75 at
switch for DOWN function.
Replace if defective.
2. Defective Left Front Outrigger switch S20A at Base
control console.
Operate switch.
Check continuity between wire #35E and wire #71 at
switch for UP function.
Check continuity between wire #35E and wire #75 at
switch for DOWN function.
Replace if defective.
3. Loose or broken wire #71 (for UP function) from
outrigger control console to pin #6 on connector CN20
at outrigger board.
Check continuity. Replace if defective.
4. Loose or broken wire #75 (for DOWN function) from
outrigger control console to pin #7 on connector CN20
at outrigger board.
Check continuity. Replace if defective.
5. Open diode D71 (for UP function) or D75 (for DOWN
function) on outrigger board.
Check diodes. Replace if defective.
6. Loose or broken wire #71 (for UP function) at pin #7
on connector CN21 at outrigger board to Left Front Up
Outrigger Valve solenoid 4H-71.
Check continuity. Replace if defective.
7. Loose or broken wire #75 (for DOWN function) at pin
#8 on connector CN21 at outrigger board to Left Front
Down Outrigger Valve solenoid 4H-75.
Check continuity. Replace if defective.
8. Loose or broken wire #02 from Left Front Up Outrigger
Valve solenoid 4H-71 to pin #2 on connector CN21 at
the outrigger board.
Check continuity. Replace if defective.
9. Loose or broken wire #02 from Left Front Down
Outrigger Valve solenoid 4H-75 to pin #2 on connector
CN21 at the outrigger board.
Check continuity. Replace if defective.
10. Defective Left Front Up Outrigger Valve solenoid 4H-
71.
Check coil. Replace if defective.
11. Defective Left Front Down Outrigger Valve solenoid
4H-75.
Check coil. Replace if defective.
To order go to Discount-Equipment.com
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