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TM 5-4210-220-12
Table 4-2 UNIT TROUBLESHOOTING - Continued
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
10a STEERING HARD IN ONE OR BOTH DIRECTIONS - Continued
Step 4. Check for low oil pressure.
a. Pump losing efficiency, replace or repair pump (see para. 4-25).
b. Hoses crimped, replace, (see para. 4-25).
c. Hoses leaking excessively, replace, (see para. 4-25).
d. Replace pump relief valve, (see para. 4-25).
Step 5. Air in system.
Replace pump or suction hose if leaking air to suction side, (see para. 4-25).
Step 6. Drive belts loose.
Tighten/replace belts, (see para. 4-25).
Step 7. Check for binding in steering column or shaft.
Replace steering column or shaft U-joints, (see para. 4-25).
Step 8. Check wheel alinement.
Adjust tie rod ends, (see para. 4-32).
Step 9. Check axle king pins.
Refer to Direct Support.
Step 10. Check steering gear actuating valve.
Replace steering gear actuating valve and piston, (see para. 4-25).
Step 11. Check reversing springs in steering gear.
Replace reversing springs, (see para. 4-25).
Step 12. Check for metal or dirt in relief valve of steering pump.
Clean relief valves and seats, (see para. 4-25).
4-44
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