0013
TM 1-1740-221-13&P&P
POWER STEERING TROUBLESHOOTING - (CONTINUED)
BRANCH 3.
3.
Inspect power steering ilter (WP 0132) and hydraulic luid for contamination.
CONDITION/INDICATION
Is hydraulic system contaminated?
DECISION
YES Proceed to Step 4.
NO Proceed to Step 5.
BRANCH 4.
4.
CONDITION/INDICATION
Is power steering functional?
DECISION
YES No further action.
NO Proceed to Step 5.
BRANCH 5.
5.
Remove gear pump output pressure line at orbital valve (WP 0136) and place in a drip pan. Crank engine for
5 seconds and check that gear pump has output (WP 0134).
CONDITION/INDICATION
Did power steering gear pump have output?
DECISION
YES Replace steering cylinder (WP 0137).
NO Proceed to Step 6.
BRANCH 6.
6.
Replace power steering gear pump (WP 0135).
CONDITION/INDICATION
Is power steering functional?
DECISION
YES No further action.
NO Proceed to Step 7.
MALFUNCTION - BRANCH 7.
MALFUNCTION - Is power steering is still not functional.
00132