Section 4 – Troubleshooting Information
4.3-17 No Steer
Steer Right
1. Stuck or defective right steer valve 4H-23A.
2. Stuck or defective dual check valve DCV2.
3. Stuck or defective check valve CV2.
4. Plugged orifice OR1.
5. Defective steer cylinder C8 for 4WD or C9 for
2WD.
Steer Left
1. Stuck or defective right steer valve 4H-24A.
2. Stuck or defective dual check valve DCV2.
3. Stuck or defective check valve CV3.
4. Plugged orifice OR1.
5. Defective steer cylinder C8 for 4WD or C9 for
2WD.
Axle Will Not Oscillate
NOTE
Axle will only oscillate when boom is fully retracted and is no greater than 15 degrees above horizontal.
1. Stuck or defective axle lockout valve 3H-65.
2. One or more counterbalance valves (CB12 or
CB13) failed to shift or is defective.
Axle Will Not Lock
NOTE
Axle is in constant float if boom is fully retracted and is below 15 degrees of elevation.
1. Axle lockout valve 3H-65 is stuck in shifted
position or is defective.
229040ABA
156
Clean valve. Check operation of valve. Repair or
replace valve as required.
Clean valve. Check O-rings on valve. Check opera-
tion of valve. Repair or replace valve as required.
Clean valve. Check O-rings on valve. Check opera-
tion of valve. Repair or replace valve as required.
Check orifice. Clean if plugged or replace if defec-
tive.
Check seals on cylinder. Replace as necessary.
Replace cylinder if defective.
Clean valve. Check operation of valve. Repair or
replace valve as required.
Clean valve. Check O-rings on valve. Check opera-
tion of valve. Repair or replace valve as required.
Clean valve. Check O-rings on valve. Check opera-
tion of valve. Repair or replace valve as required.
Check orifice. Clean if plugged or replace if defec-
tive.
Check seals on cylinder. Replace as necessary.
Replace cylinder if defective.
Clean valve. Replace if defective.
Clean valve. Check O-rings on valve. Repair or
replace valve as required.
Clean valve. Check O-rings on valve. Check opera-
tion of valve. Repair or replace valve as required.
Hydraulic System
SJ82 T, SJ86 T