TM 5-3895-379-23
TROUBLESHOOTING PROCEDURES - CONTINUED
0006 00
Table 7. Water Spray System Troubleshooting Procedures - Continued.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Spray Does Not Occur At Either Drum 3. Check for power at front and rear 1. If 24 to 28 Vdc are measured at
1.
wiring harness water spray pump
water spray pump connectors, turn
When Water Spray Switch Is In
connectors. Remove four screws,
engine start switch to OFF position
Continuous Spray Position - Continued.
washers and cover from each
and battery disconnect switch OFF
bumper assembly. Disconnect
(TM 5-3895-379-10). Replace
connector
from
harness
water spray pumps (WP 0155 00).
connector. To check front water
spray pump connector, touch 2. If 24 to 28 Vdc are not measured
at water spray pump connectors,
positive (+) probe of multimeter
turn engine start switch to OFF
to harness connector, pin 1 (wire
position and battery disconnect
C922-BR) and negative (-) probe
switch OFF (TM 5-3895-379-10).
of multimeter to frame. To check
Repair or replace wiring and
rear water spray pump connector,
touch positive (+) probe of
connectors from water spray
multimeter to harness connector,
switch to water spray pumps (WP
pin 1 (wire C923-OR) and
negative (-) probe of multimeter
to good ground.
WIRE 200-BK
HARNESS
CONNECTOR
TERMINAL 2
TERMINAL 1
COVER
WIRE C922-BR (FRONT)
WIRE C923-OR (REAR)
PUMP CONNECTOR
WASHER
FRONT SHOWN, REAR SIMILAR
SCREW
401-233
0006 00-126
