TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 7. Water Spray System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. Check for power to water spray 1. If 24 to 28 Vdc are not measured
2.
No Spray At Either Drum When
switch. Remove nine screws and
Water Spray Switch Is In
at terminal 2 and WATER SPRAY
washers and remove panel from
Intermittent Spray Position.
fuse is good, turn engine start
operator station. With water spray
switch and battery disconnect
switch in intermittent spray
switch to OFF position (TM 5-
position, turn battery disconnect
3895-379-10). Repair or replace
switch and engine start switch to
wiring and connectors to WATER
ON position (TM 5-3895-379-
SPRAY fuse holder (WP 0077
10). Touch positive (+) probe of
multimeter to terminal 2 (wire
110-GN) and negative (-) probe 2. If 24 to 28 Vdc are measured at
terminal 2, go to Step 2.
of multimeter to good ground.
2. Check for power at water spray 1. If 24 to 28 Vdc are not measured
switch. Touch positive (+) probe
at terminals 1 and 4, turn engine
of multimeter to terminal 1 (wire
start switch and battery disconnect
C935-PU) and negative (-) probe
switch to OFF position (TM 5-
of multimeter to operator station
3895-379-10). Replace water
to check front water spray pump.
spray switch (WP 0070 00).
Touch positive (+) probe of
multimeter to terminal 4 (wire 2. If 24 to 28 Vdc are measured at
terminals 1 and 4, install panel on
C936-GY) and negative (-) probe
operator station with nine screws
of multimeter to good ground to
and washers and go to Step 3.
check rear water spray pump.
PANEL ASSEMBLY
SCREW
WIRE 936-GY
WASHER
TERMINAL 4
TERMINAL 1
SCREW
WASHER
TERMINAL 2
WATER
SPRAY
SWITCH
WIRE 110-CB
WIRE C935-PU
OPERATOR STATION
401-2110
