WINDSHIELD WIPERS DO NOT WORK, OR WORK SLOWLY

TM9-2320-270-20-1

TROUBLESHOOTING - CONTINUED

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

79. WINDSHIELD WIPERS DO NOT WORK, OR WORK SLOWLY.

NOTE

There are two windshield wipers. This procedure is for one. Repeat procedure for the

other.

Check wiper blade (1), arm (2), and mounting nut for damage or looseness

Step 1.

If blade, arm, or nut are damaged, or loose, replace, or tighten

(page 4-1205).

Start engine and build air pressure to operating level (TM 9-2320-270-10). Shut

Step 2.

down engine (TM 9-2320-270-10). Open instrument panel (page 4-244).

Check hose (3) from manifold (4) to wiper control valve (5) for damage or leaks

by listening for hissing or using soap solution and watching for bubbles

If hose is damaged or leaking, replace (page 4-1208).

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