Table 1. Engine Troubleshooting Procedures .

TM 9-2320-303-24-1

Table 1. Engine Troubleshooting Procedures .

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Engine Fails To Crank Or Cranks Slowly.

1. Check

that

transmission Select N.

indicator is in N.

2. Check for damaged or loose Tighten or repair as required (WP

battery connections.

0095 00).

3. Check for voltage at batteries If voltage is below 22 volts,

for 22-26 volts.

service batteries (TM 9-6140-

200-14).

4. Check ignition switch 25A fuse Replace as necessary (WP 0072

for damage.

00).

5. Check start/auxiliary 15A fuse Replace as necessary (WP 0072

for damage.

00).

6. Check ignition key switch for Tighten or replace as necessary

loose or damaged connections. (WP 0066 00).

7. Check engine start button for Tighten or replace as necessary

loose or damaged connections. (WP 0066 00).

8. Check starter relay switch If no voltage is present, go to step

(magnetic) for 11-16 volts with 9.

ignition switch in start position.

9. Check lead 15 for continuity.

If no continuity is noted, repair

lead 15 or notify direct support

maintenance.

10.Check starter relay switch If no voltage is present, check lead

(magnetic) for 22-26 volts.

82 for continuity.

11.Check starter relay switch If no voltage is present at lead 74,

(magnetic) for 22-28 volts with replace starter relay switch

ignition switch in start position (magnetic) (WP 0061 00).

and start button engaged.

12.Check starter for loose or Tighten or replace as necessary.

damaged connections.

13.If engine still fails to crank,

notify

direct

support

maintenance.

Engine Will Not Crank.

1. Check battery condition.

Test, charge, or replace as

indicated by hydrometer (TM 9-

6140-200-14).

2. Check battery cables and Clean and tighten connections

terminals for loose or dirty (WP 0095 00).

connections.

3. Check

starting

motor Clean and tighten connections at

connections.

the starter (WP 0060 00).

Replace starter (WP 0060 00).

0006 00-2