TM 9-2320-273-20
AUXILIARY AIR-POWERED COMPONENT SYSTEMS.
9-43. WINDSHIELD WIPER CONTROL MAINTENANCE (Continued).
LOCATION/lTEM
ACTION
REMARKS
5. Supply line (8), wiper park
Inspect for:
Replace if necessary.
line (7), and wiper run
a. Cracks.
line (6).
b. Leaks.
c. Damaged fittings.
6. Supply line (8), wiper park
Screw into valve body (9).
line (7), and wiper run
Be sure that each line is
line (6).
screwed into the proper
opening.
7. Valve body (9).
a. Push forward through
hole in rear of instrument
panel.
b. Screw on and tighten
washer (5) and nut (4).
8. Two quarter-turn screws (1).
Tighten to fasten instrument
panel cover.
9. Knob (2).
a. Push onto valve body and
twist until Allen setscrew
(3) is seated properly on
stem of valve body.
b. Tighten with Allen wrench.
10. Batteries.
Connect (see para 5-37 B).
10. Engine RUN switch.
Turn ON (see TM 9-2320-273-10).
11. Wiper knob.
Pull out. Check to see that
If wipers do not work, open
wipers operate properly on
panel and check for air leaks
Hl, LOW, and PARK.
at fittings. If no leaks are
present troubleshoot the rest
of the wiper system (see
para 9-5).
12. Engine RUN switch.
Turn OFF (see TM 9-2320-273-10).
9-192
