Engine Will Not Crank

TM 5-2410-233-23

TROUBLESHOOTING PROCEDURES - CONTINUED

0006 00

Table 6. Electrical System Troubleshooting Procedures - Continued.

MALFUNCTION

TEST OR INSPECTION

CORRECTIVE ACTION

Fill each cell to fill ring with

c. Check electrolyte level in

3. Engine Will Not Crank - Continued.

distilled water.

each battery cell (TM 9-

6410-200-14).

1. Charge all batteries not

d. Perform specific gravity

test (TM 9-6410-200-14).

meeting requirements and

Batteries must test 1.240 or

recheck specific gravity.

greater,

temperature

corrected, and each cell in

2. If 25 point variation still exists,

battery must test within 25

replace battery (WP 0080 00).

points of the others.

WARNING

Touch terminal connections one at a time; never touch both

terminals at once. Be sure not to be grounded to the machine

when checking. Failure to do so may cause serious injury or

death to personnel.

e. Attempt to crank engine for 1. Tighten all loose connections

at batteries.

15 seconds. Place battery

disconnect switch in OFF

position and feel battery 2. Tighten battery ground wire at

tractor chassis ground. Tighten

terminal connections.

battery positive wire at starter

solenoid. Go to Malfunction 3,

Test 2.

2. Test batteries under load to

determine adequate current

capability and voltage drop

during a 15 second amperage

load.

MTR

(+)

(-)

BAT

386-479

0006 00-22