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TM 10-3930-638-24&P
2-46. STEERING SYSTEM TROUBLESHOOTING (cont)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. VEHICLE WILL NOT TURN WHEN STEERING WHEEL IS TURNED (cont)
Step 5. Check setting of relief valve (para 2-48b (2), step 22).
a. If pressure indication is not 2500-2550 PSI. adjust relief valve (para 2-48b (2). step 23).
b. If pressure indication is 2500-2550 PSI, replace steering gear (notify direct support maintenance).
2. VEHICLE TURNS CORRECTLY IN ONE DIRECTION BUT NOT IN OTHER DIRECTION
Step 1.
Check hoses, lines and fittings between steering gear and steering cylinders for oil leaks (para 2-48b).
a. If oil leaks are observed, tighten fittings or replace hoses (para 2-48b).
b. If oil leaks are not observed, proceed to step 2.
Step 2. Check steering cylinders for oil leaks at rod end.
a. If oil leaks are observed, replace steering cylinder.
b. If oil leaks are not observed, proceed to step 3.
Step 3. Check steering gear for oil leaks at fittings.
a. If oil leaks are observed, tighten fittings.
b. If oil leaks are not observed, proceed to step 4.
Rotate steering wheel until vehicle is fully turned
Step 4.
(articulated) to the left.
With engine off, loosen two clamps and slide
cylinder guard toward front of vehicle, and
disconnect hose from elbow as shown.
WARNING
Keep hands and feet clear of steering cylinder
assembly while checking for leakage. Failure
to do so may cause serious injury.
Start engine and hold steering wheel at the full
left turn position.
Check for hydraulic oil leakage from the open
steering cylinder elbow, then stop engine.
a. Hydraulic oil coming from open steering cylinder
elbow indicates internal steering cylinder leakage.
Replace steering cylinder assembly (para 2-48c).
b. If hydraulic oil does not leak from open steering
cylinder elbow, reconnect hose to elbow, reinstall
clamps and cylinder guard and proceed to step 5.

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