TM 5-3805-261-34
STEERING TROUBLESHOOTING AND MAINTENANCE PROCEDURES. (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
a.
WHEELS TURN SLOWLY OR NOT AT ALL WHEN STEERING WHEEL IS TURNED. (cont)
Step 3.
Remove steering valve. Refer to TM 5-3805-261-20. Test valve on hydraulic test bench. Valve
should open at 2343 to 2400 psi at 4.7 to 5.3 gpm.
If valve does not open properly, add or remove shim(s). One shim will change pressure approximately 170
psi. Refer to paragraph 8-6. If valve opens properly, go to step 4.
Step 4.
Remove steering control pump. Refer to TM 5-3805-261-20. Disassemble pump and inspect for
any worn or damaged parts. Refer to paragraph 8-4.
Replace any worn or damaged parts. Refer to paragraph 8-4.
b.
MACHINE HAS SUPPLEMENTAL STEERING, BUT NO PRIMARY STEERING.
Remove the supplemental steering check valve that is mounted on the steering combination valve. Inspect
supplemental steering check valve for proper installation. Refer to TM 5-3805-261-20. Arrow on check valve must point
toward front of machine.
If check valve was installed properly, clean or replace check valve. Refer to TM 5-3805-261-20.
c.
SUPPLEMENTAL STEERING MOTOR STATUS LIGHT OFF, BUT SUPPLEMENTAL STEERING MOTOR
AND PUMP RUNS WHEN ENGINE IS RUNNING.
Remove the supplemental steering check valve that is mounted under left side of the cab. Inspect supplemental
steering check valve for proper installation. Refer to TM 5-3805-261-20. Arrow on valve must point toward front of
machine.
If check valve was installed properly, clean or replace check valve. Refer to TM 5-3805-261-20.
8-4
