GASOLINE ENGINE DOES NOT KEEP BATTERY CHARGED.

TM 3-4230-209-20&P

2-20

TROUBLESHOOTING (CONT)

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

PUMP UNIT (CONT)

2. GASOLINE ENGINE DOES NOT KEEP BATTERY CHARGED.

Step 7. Check at the circuit breaker (CB1) terminals to ground for at least

28 volts.

a. If multimeter indicates 28 vdc or more, do the following in

order.

(1) Clean corrosion from battery terminals.

(2) Tighten loose connections at battery, ground, or on

engine starter.

(3) Replace battery or battery cables.

b. If multimeter indicates less than 28 vdc, then test engine

mounted alternator system (refer to TM 5-2805-259-14).

Refer to maintenance in TM 5-2805-259-14.

3. GASOLINE ENGINE DOES NOT INDICATE CHARGE/DISCHARGE ON

Step 1. Make sure circuit breaker (1) is not tripped.

Reset circuit breaker.

Step 2. With multimeter check both terminals to ground at the

circuit breaker for 28 vdc.

a. If multimeter indicates voltage on one terminal

but not the other terminal, replace circuit

breaker.

b. If multimeter indicates voltage at both termi-

nals, replace ammeter.

c. If multimeter indicates no voltage at circuit

breaker, shut engine down and notify interme-

diate direct support maintenance.