TM-9-2350-256-10

RECOVERY VEHICLE, FULL TRACKED: MEDIUM, M88A1

OPERATOR'S MANUAL

OCTOBER 2014

TM-9-2350-256-10 - Page 452 of 796

APU STARTS BUT FAILS TO KEEP RUNNING OR RUNS ROUGHLY - Continued

MALFUNCTION

Air intake restriction.

CORRECTIVE ACTION

1.

Check air intake for restrictions.

2.

Remove restrictions or clean air filter (WP 0120).

3.

Start APU (WP 0042) and check operation.

4.

If APU fails to keep running, notify maintenance.

BATT-GEN GAUGE READS IN YELLOW OR LOWER RED WITH APU RUNNING AND APU GEN SWITCH ON

SYMPTOM

BATT-GEN gauge reads in yellow or lower red with APU running and APU GEN switch on.

MALFUNCTION

SYSTEM SELECT lever is in wrong position.

CORRECTIVE ACTION

1.

Place SYSTEM SELECT lever in MAIN position.

2.

Start APU (WP 0042) and check BATT-GEN gauge reading.

3.

If BATT-GEN gauge continues to read in yellow or lower red with APU running and APU GEN

switch on, proceed to next malfunction.

MALFUNCTION

Voltage regulator needs resetting.

CORRECTIVE ACTION

1.

Open air intake grilles (WP 0030) above voltage regulator.

2.

Start APU (WP 0042) and check BATT-GEN gauge reading.

3.

Press RESET button on voltage regulator (WP 0118).

4.

Check if BATT-GEN gauge continues to read in yellow or lower red with APU running and APU

GEN switch on.

5.

If BATT-GEN gauge does not read in yellow or lower red, notify maintenance.

END OF WORK PACKAGE

TM 9-2350-256-10

0083

0083-4