TM-9-2320-328-13-P-1
HEMTT-BASED WATER TENDER (HEWATT)
TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 1 OF 3
MARCH 2009
TM-9-2320-328-13-P-1 - Page 1163 of 1318
TM 9-2320-328-13&P-1
0105-15
DRAFT
0105
Change 1
.
HWT1157
.
NOTE
Cab roof lightbar flasher unit has four outputs at terminals 3, 4, 6, and 7.
Cab roof lightbar
flasher unit output terminals 3 and 6 are connected to six warning lights each.
.
Step 21.
Remove non-operating warning light from cab roof lightbar (WP 0224).
Check wire
colors that are connected to warning light.
.
If wire colors are white and green go to Step 23.
.
Step 22.
If installed, remove third and fourth warning lights on passenger side of cab roof lightbar
(WP 0224).
Disconnect lightbar cable assembly from non-operating warning light.
Check for continuity across lightbar cable assembly blue signal wire from non-operating
warning light connector to cab roof lightbar flasher unit, terminal 6 “C” lamps connector.
.
a.
If there is continuity, replace non-operating warning light (WP 0224).
.
b.
If there is no continuity, repair blue signal wire in lightbar cable
assembly if repairable (TM 9-2320-325-14&P), or replace lightbar cable
assembly (WP 0291).
.
Step 23.
If installed, remove third and fourth warning lights on passenger side of cab roof lightbar
(WP 0224).
Disconnect lightbar cable assembly from non-operating warning light.
Check for continuity across lightbar cable assembly green signal wire from
non-operating warning light connector to cab roof lightbar flasher unit, terminal 3 “A”
lamps connector.
.
a.
If there is continuity, replace non-operating warning light (WP 0224).
.
b.
If there is no continuity, repair green signal wire in lightbar cable
assembly if repairable (TM 9-2320-325-14&P), or replace lightbar cable
assembly (WP 0291).
.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
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