Boeing 737-800 - Windshield Wipers

737 Flight Crew Operations Manual
Anti-Ice, Rain -
System Description
Boeing Proprietary. Copyright © Boeing. May be subject to export restrictions under EAR. See title page for details.
3.20.4 D6-27370-866-EGP
YW273, YW274
Windshield Wipers
The rain removal system for the forward windows consists of windshield wipers
and a permanent rain repellent coating on the windows.
CAUTION: Windshield scratching will occur if the windshield wipers are
operated on a dry windshield.
ON
L
WINDOW HEAT
OVHT
SIDE
R
FWD
ON
OFFOFF
ONON
FWD SIDE
PWR TEST
ON
OVERHEAT
L3
L2
L1 R1
R2
R3
TEMPERATURE
CONTROLLER
CONDITION:
WINDOW HEAT ON
R SIDE OVERHEATED
SHIELD
AIR
SHIELD
AIR
FROM
AIR CONDITIONING
SYSTEM
WIND
WIND
TEMPERATURE
CONTROLLER
THERMAL
SWITCH
September 15, 2016