Skyjack SJ1044 TH - Page 120

120
SJ1044 TH, SJ1044 THS, SJ1056 TH, SJ1056 THS, SJ1256 THS
230790ABA
Section 4 – Troubleshooting Information Electrical System
2. Loose or broken wire 228 from connector P81 pin
F to valve 4H-228.
Check continuity. Replace if defective
3. Loose or broken wire 00 from valve 4H-228 to
ground.
Check continuity. Replace if defective
4. Right outrigger down solenoid 4H-228 defective. Replace if defective.
With following conditions:
▪
Right outrigger up inoperative
1. Loose or broken wire 227 from outrigger switch
SW22 to connector J81 pin G
Check continuity. Replace if defective
2. Loose or broken wire 227 from connector P81 pin
G to valve 4H-227
Check continuity. Replace if defective
3. Loose or broken wire 00 from valve 4H-227 to
ground.
Check continuity. Replace if defective
4. Right outrigger up solenoid 4H-227 defective. Replace if defective.
With following conditions:
▪
Left outrigger down inoperative
1. Loose or broken wire 226 from outrigger switch
SW21 to connector J81 pin B
Check continuity. Replace if defective
2. Loose or broken wire 226 from connector P81 pin
B to valve 4H-226
Check continuity. Replace if defective
3. Loose or broken wire 00 from valve 4H-226 to
ground.
Check continuity. Replace if defective
4. Left outrigger down solenoid 4H-226 defective. Replace if defective.
With following conditions:
▪
Left outrigger up inoperative
1. Loose or broken wire 225 from outrigger switch
SW21 to connector J81 pin C
Check continuity. Replace if defective
2. Loose or broken wire 225 from connector P81 pin
C to valve 4H-225
Check continuity. Replace if defective
3. Loose or broken wire 00 from valve 4H-225 to
ground.
Check continuity. Replace if defective
4. Left outrigger up solenoid 4H-225 defective. Replace if defective.