119
SJ6826RT, SJ6832RT
213560ABA
Electrical System
Section 4 – Troubleshooting Information
4.2-37 Left Rear Outriggers Inoperative Manually
1.
Defective Left Rear Outrigger switch S23 at Platform
control console.
Operate switch. Check continuity between wire #35D and
wire #74 at switch for UP function.
Check continuity between wire #35D and wire #78 at
switch for DOWN function.
Replace if defective.
2.
Defective Left Rear Outrigger switch S23A at Base
control console.
Operate switch. Check continuity between wire #35E and
wire #74 at switch for UP function.
Check continuity between wire #35E and wire #78 at
switch for DOWN function.
Replace if defective.
3.
Loose or broken wire #74 (for UP function) from
outrigger control console to pin #5 on connector CN20
at outrigger board.
Check continuity. Replace if defective.
4.
Loose or broken wire #78 (for DOWN function) from
outrigger control console to pin #2 on connector CN20
at outrigger board.
Check continuity. Replace if defective.
5.
Open diode D74 (for UP function) or D78 (for DOWN
function) on outrigger board.
Check diodes. Replace if defective.
6.
Loose or broken wire #74 (for UP function) at pin #6
on connector CN21 at outrigger board to Left Rear Up
Outrigger Valve solenoid 4H-74.
Check continuity. Replace if defective.
7.
Loose or broken wire #78 (for DOWN function) at pin
#3 on connector CN21 at outrigger board to Left Rear
Down Outrigger Valve solenoid 4H-78.
Check continuity. Replace if defective.
8.
Loose or broken wire #02 from Left Rear Up Outrigger
Valve solenoid 4H-74 to pin #2 on connector CN21 at
the outrigger board.
Check continuity. Replace if defective.
9.
Loose or broken wire #02 from Left Rear Down
Outrigger Valve solenoid 4H-78 to pin #2 on connector
CN21 at the outrigger board.
Check continuity. Replace if defective.
10.
Defective Left Rear Up Outrigger Valve solenoid 4H-74.
Check coil. Replace if defective.
11.
Defective Left Rear Down Outrigger Valve solenoid
4H-78.
Check coil. Replace if defective.
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