TM 10-4520-259-13&P
Table 3-1. Operator Troubleshooting Procedures - Continued
Malfunction
Test or Inspection
Corrective Action
Step 3.
Inspect strainer cover for loose hardware.
Tighten cover screws.
Step 4.
Inspect fuel hoses for ruptures and leaks.
Replace hoses.
Step 5.
Check coupling between motor and fuel pump for slippage.
Tighten coupling or replace.
5.
FUEL PUMP FAILS TO DELIVER FUEL TO BURNER
WARNING
Fuel is very flammable and can explode easily. To avoid serious
injury or death, keep fuel away from open fire. Do not work on
fuel system when burner is hot. Fuel can be ignited by hot
burner. Shut off motor and do not smoke when working on fuel
system.
Step 1.
Check fuel supply in fuel drum.
Fill drum with fuel.
Step 2.
Check both ends of fuel hoses for air leaks.
Tighten hose connections.
Step 3.
Check supply and return hose assemblies to see if they are reversed.
Disconnect and reconnect hose assemblies properly.
Step 4.
Check fuel pump to verify it has been primed.
Prime fuel pump as in paragraph 2-10.
3-5
