TM 9-2320-279-10-1
Change 8
2-178.1
M977 Through M985 General Operating Procedures (Cont)
2-12. OPERATE WINDSHIELD WIPERS/WASHER (AIR).
a. Turn Windshield Wipers On/Off (Air).
NOTE
Some earlier vehicles are equipped with pull and turn
control knobs.
(1)
Turn WIPER knob (1) clockwise to start and control speed of left
windshield wiper.
(2)
Turn WIPER knob (2) clockwise to start and control speed of right
windshield wiper.
(3)
Turn WIPER knob (1) counterclockwise to stop left windshield wiper.
(4)
Turn WIPER knob (2) counterclockwise to stop right windshield wiper.
(5)
If wiper stops in middle of windshield, slightly turn appropriate
WIPER knob (1 or 2) clockwise until wiper is at bottom of windshield.
Then turn appropriate WIPER knob (1 or 2) counterclockwise to stop
wiper.
b. Operate Windshield Washer (Air).
(1)
Push in and hold WASH knob (3) to spray cleaning fluid on
windshield.
(2)
Release WASHER knob (3) to stop washer spray.