TM 5-3825-270-23&P
FIELD MAINTENANCE
ENGINE MISFIRES
INITIAL SETUP:
References (cont.)
Tools and Special Tools
Fuel Line Replacement (WP 0172)
Tool Kit, General Mechanic's: Automotive
Fuel Pump Replacement (WP 0173)
(WP 0225, Table 1, Item 12)
Fuel/Water Separator And Filter Head
Pan, Drain, 5 Gal Cap (WP 0225, Table 1, Item 2)
Replacement (WP 0176)
Open/Close Engine Access Cover (TM
Personnel Required
5-3825-270-10)
Construction Equipment Repairer 91L (2)
Water Distributor Operator Manual (TM
5-3825-270-10)
References
Engine Injection Pump Replacement (WP 0117)
Equipment Condition
Engine Injection Tubes Replacement (WP 0118)
Engine OFF. (TM 5-3825-270-10)
Engine Nozzle Assembly Holder (Injection Nozzle)
Replacement (WP 0119)
Field Level Preventive Maintenance Checks And
Services (PMCS) (WP 0069)
TROUBLESHOOTING PROCEDURE
ENGINE MISFIRES
STEP 1
Is engine operation normal after draining fuel/water separator?
1.
Drain fuel/water separator. (TM 5-3825-270-10)
2.
Operate engine while observing engine performance. (TM 5-3825-270-10)
CONDITION/INDICATION
Is engine operation normal after draining fuel/water separator?
DECISION
No - Go to step 2. (Step 2 - Is engine operation normal after bleeding fuel system?)
Yes - Problem solved.
STEP 2
Is engine operation normal after bleeding fuel system?
1.
Remove rear engine access cover. (TM 5-3825-270-10)
2.
Place drain pan suitable for holding fuel beneath engine.
WARNING
Diesel fuel is flammable. Do not perform this procedure near fire, flame or sparks. Failure to
comply may result in injury or death to personnel.
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