TM 5-3895-379-23-1
0065
MALFUNCTION
Water Spray Switch Faulty.
CORRECTIVE ACTION
1.
To check front water spray pump, touch positive (+) probe of multimeter to terminal 1
(wire C935 - PU).
2.
Touch negative (-) probe of multimeter to operator station.
3.
To check rear water spray pump, touch positive (+) probe of multimeter to terminal 4
(wire C936 - GY).
4.
Touch negative (-) probe of multimeter to good ground.
If 24 to 28 VDC are not measured at terminals 1 and 4, perform the following:
(1)
Turn engine start switch to OFF position (TM 5-3895-379-10).
(2)
Turn battery disconnect switch to OFF position (TM 5-3895-379-10).
(3)
Replace water spray switch (WP 0157).
PANEL ASSEMBLY
SCREW
WIRE 936-GY
WASHER
TERMINAL 4
SCREW
TERMINAL 1
WASHER
TERMINAL 2
WATER
SPRAY
SWITCH
WIRE 110-CB
WIRE C935-PU
OPERATOR STATION
T0154SWR
Figure 2.
Water Spray Switch Wiring.