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 242 of 1390

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

0127-22

DRAFT

0127

HWT2224

Step 29.

Check for continuity across pump house heater diagnostic module wire 2852 (red) from

pump house diagnostic module connector, terminal A to thermostatic switch center post

(red wire) terminal.

If there is no continuity, repair wire 2852 if repairable

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

(WP 0307).

Step 30.

Check for continuity across pump house heater diagnostic module DIESEL HEATER

TEST switch when in on position (WP 0004).

If there is no continuity, replace pump house heater diagnostic module

DIESEL HEATER TEST switch (WP 0306).

Step 31.

Check for continuity across pump house heater diagnostic module wire 2852 (red) from

thermostatic switch center post (red wire) terminal to DIESEL HEATER TEST switch.

a.

If there is continuity, repair black jumperwire between DIESEL HEATER

TEST switch and thermostatic switch if repairable

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

module (WP 0307).

b.

If there is no continuity, repair wire 2852 if repairable

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

module (WP 0307).

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION