TM 9-4310-394-13
Table 3-1. Operator Troubleshooting.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
1. STARTING HANDLE FAILS TO PULL.
Step 1. Check decompression lever.
Push decompression lever down to release engine compression. (Refer to para 2-9).
Step 2. Notify unit maintenance.
2. STARTING HANDLE PULLS BUT ENGINE FAILS TO START.
Step 1. Check for low fuel supply. Check for fuel in fuel tank and in fuel filter.
Fill fuel tank, if necessary.
Step 2. Check three way fuel valve.
Open fuel valve by pointing arrow on handle toward belt guard. (Refer to para 2-9).
Step 3. Check fuel filter handle.
Open fuel filter handle by placing in down position. (Refer to para 2-9).
Step 4. Check position of speed control lever.
Move to START position (refer to para 2-9).
Step 5. Check the starting procedure under prevailing conditions. (Refer to Chapter 2, Section III or IV.)
If the starting procedures have been performed correctly but engine still fails to start, notify unit maintenance.
3. UNEVEN RUNNING OR FREQUENT STALLING.
Step 1. Check for closed three way fuel valve or fuel filter handle.
Refer to MALFUNCTION 2, Steps 2 and 3.
Step 2. Check for low fuel supply. Check for fuel in fuel tank and in fuel filter.
Fill fuel tank, if necessary.
If fuel tank is full, notify unit maintenance.
4. LACK OF POWER.
Step 1. Check position of speed control lever knob.
Move to START position to increase engine speed (refer to para 2-9).
3-2
