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TM 10-4320-348-14
Table 3-1. Operator Troubleshooting - Continued
Malfunction
Test or Inspection
Corrective Action
3. ERRATIC RUNNING OR FREQUENT STALLING
Step 1. Check fuel cock.
Fully open the fuel cock, if closed. (Refer to para. 2.7)
Step 2. Check for insufficient fuel supply.
Fill fuel tank, if necessary.
Step 3. Check fuel select valve.
Set handle to proper position for fuel sup ply source. (Refer to para. 2.7)
Step 4. Check air cleaner restriction indicator.
If a red band appears in window of air cleaner restriction indicator, replace air filter element. (Refer to para. 3.6)
Step 5, Check for clogged or collapsed suction hoses.
Clear or replace clogged hoses.
If suction hoses are not clogged or collapsed notify unit maintenance.
4. LACK OF POWER
Step 1. Check position of speed control lever handle.
Move to START position to increase engine speed. (Refe r to para. 2.7)
Step 2. Check for insufficient fuel supply.
Fill fuel tank, if necessary.
Step 3. Check fuel cock.
Fully open the fuel cock, if closed. (Refer to para. 2.7)
Step 4. Check fuel select valve.
Set handle to proper position for fuel supply source. (Refer to para. 2.7)
Step 5. Check air cleaner restriction indicator.
3-4
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