TM-9-2320-328-13-P-2

HEMTT-BASED WATER TENDER (HEWATT)

TECHNICAL MANUAL; OPERATOR’S AND FIELD LEVEL MAINTENANCE MANUAL (INCLUDING REPAIR PARTS AND SPECIAL TOOLS LIST); PART 2 OF 3

MARCH 2009

TM-9-2320-328-13-P-2 - Page 232 of 1390

TM 9-2320-328-13&P-2

0127-12

DRAFT

0127

HWT2218

Step 17.

Remove pump house panel E (WP 0339). Check for continuity across red wire from

pump house heater thermostatic switch to DIESEL HEATER DIAGNOSTIC switch.

If there is no continuity, repair red wire if repairable (TM 9-2320-325-14&P),

or replace pump house heater diagnostic module (WP 0307).

Step 18.

Cut pump house heater diagnostic module wire 4087 (blue and white) at butt splice

connector. Check for continuity across wire 4087 (blue) from pump house wire harness

pump house heater diagnostic module connector, terminal C to pump house heater

diagnostic module butt splice connector termination.

If there is no continuity, repair wire 4087 if repairable

(TM 9-2320-325-14&P), or replace pump house heater diagnostic module

(WP 0307).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION