TM-9-2350-311-20-1

HOWITZER, MEDIUM, SELF-PROPELLED, 155MM; M109A2, M109A3, M109A4 AND M109A5

TECHNICAL MANUAL; UNIT MAINTENANCE MANUAL FOR HULL, POWERPLANT, DRIVE CONTROLS, TRACKS, SUSPENSION, AND ASSOCIATED COMPONENTS

AUGUST 1994

TM-9-2350-311-20-1 - Page 1207 of 1275

TM 9-350-311-20-1

Problem is either due

to weak batteries, or

tight engine. Go to NG

23 (Figure 3, sheet 10).

Short circuit is in starter circuit. Go to

paragraph 3-3 to check. If multimeter

is needed, use VTM.

Go to step 4, Figure 3,

sheet 6.

Try to crank engine. If GO is

still displayed after cranking,

starter is not being energized.

Go to step 4, Figure 3, sheet

6.

Check battery connections

and repeat step 2, Figure

3, sheet 3.

After completing repair, rerun GO CHAIN tests to

verify problem has been fixed and that no other

problems exist. Start at GO 2 (Figure 2, sheet 8) if

VTM is already connected. Otherwise start at GO 1

(Figure 2. sheet 1).

Figure 3 Sheet 4 of 36

I-30

NOT E

Go to step 3,

Figure 3, sheet 5.