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 103 of 1275

TM 9-2350-311-20-1

3-2 QUICK GUIDE TO TROUBLESHOOTING

To use the Quick Guide to Troubleshooting and the Troubleshooting Chart, follow the instructions below. If any

problem is not listed or cannot be corrected through troubleshooting, notify support

a. Determine the symptom.

b. Locate the symptom in the Quick Guide to Troubleshooting.

c. Locate the Troubleshooting Chart for your symptom.

d. Turn to the chart identified in the Quick Guide to Troubleshooting.

maintenance.

e. Study the function description, pictorial view, and/or schematic located at the beginning of each

troubleshooting section.

f. Perform the corrective action as required by troubleshooting procedure.

g. Verify that the corrective action eliminated the symptom.

3-2 QUICK GUIDE TO TROUBLESHOOTING — CONTINUED

ITEM

SYMPTOM

PRIMARY

ALTERNATE

TRACKS AND

VEHICLE PULLS TO ONE SIDE WITH

Para 3-3g(2)

None

SUSPENSION —

STEERING WHEEL IN CENTER

CONTINUED

POSITION

3-3 TROUBLESHOOTING CHART — CONTINUED

g. TRACKS AND SUSPENSION — CONTINUED

(2) VEHICLE PULLS TO ONE SIDE WITH STEERING

WHEEL IN CENTER POSITION

General mechanic’s tool kit (item 64, Appx H)

Transmission access doors open (TM 9-2350-311-1O)

STEACE-R test set (item 61, Appx H)

TM 9-2350-311-10

NOTE

Crown on road causes vehicle to pull away from center

of road. Road test vehicles on flat surface.

I

3-3