TM 5-3825-270-23&P
0009
DECISION
No - Go to step 6. (Step 6 - Are fuel system components free from leaks and damage?)
Yes - Ensure air filter is clean and serviceable and check for air restrictions. After removal of restriction and/or
cleaning of air filter, reset air restriction indicator. Verify problem is solved. (Step 9 - Does engine run
normally?)
STEP 6
Are fuel system components free from leaks and damage?
1.
Remove rear engine access cover. (TM 5-3825-270-10)
2.
Visually inspect the following fuel system components for damage and leakage. (WP 0069)
Fuel lines and fittings
Fuel pump, lines, and fittings
Fuel/water separator, lines, and fittings
Engine injector pump, lines, and fittings
ENGINE INJECTOR
PUMP
FUEL/WATER
SEPARATOR
FUEL
PUMP
FUEL
LINES
Figure 6. Fuel System Components - Step 6.
CONDITION/INDICATION
Are fuel system components free from leaks and damage?
DECISION
No - If damaged, repair or replace fuel lines or fittings (WP 0172), fuel pump (WP 0173), engine injector pump
(WP 0117), or fuel/water separator. (WP 0176) Verify problem is solved. (Step 9 - Does engine run normally?)
Yes - Go to step 7. (Step 7 - Is fuel pressurized at fuel supply hose on engine injection pump?)
STEP 7
Is fuel pressurized at fuel supply hose on engine injection pump?
WARNING
Fuel is very flammable and can explode easily. Keep fuel away from open fire and keep
fire extinguisher within easy reach when working with fuel. Do not work on fuel system