DRAFT
TM 5-4210-249-13&P-1
0104
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
TFFT02839
WARNING
ICON 3
Remove rings, wristwatches, neck chains, and any other jewelry before working
around vehicle. Jewelry can catch on equipment and cause serious injury. Jewelry
and tools may short across electrical circuits and cause damage to equipment, or
severe burns or electrical shock to personnel.
Step 5.
Connect air lines at bumper turret valve. Turn battery disconnect to OFF
position (WP 0007). Remove roof, bumper, and pump cooler junction box cover
(WP 0423). Turn battery disconnect switch to ON position (WP 0007). Push cab
bumper turret discharge switch (WP 0004). Check for 22 to 28 VDC between cab roof
wire harness wire 2837 (gray) at roof, bumper, pump cooler junction box control
terminal strip and a known good ground.
If 22 to 28 VDC are not present, repair wire 2837 in cab roof wire harness if
repairable (TM 9-2320-325-14&P), or replace cab roof wire
harness (WP 0442).
Step 6.
Release bumper turret discharge switch (WP 0035). Put bumper turret control POWER
(off) position (WP 0035). Turn battery disconnect switch to OFF
switch to
position (WP 0007). Check for continuity across cab roof wire harness wire 1640
(black) from roof, bumper, and pump cooler junction box control terminal strip to a
known good ground.
a.
If there is continuity, replace bumper turret control valve (WP 0370).
b.
If there is no continuity, repair wire 1640 in cab roof wire harness if
repairable (TM 9-2320-325-14&P), or replace cab roof wire
harness (WP 0442).
0104-6
