TM 5-3825-270-23&P
FIELD MAINTENANCE
EXCESSIVE FUEL CONSUMPTION
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
Replacement (WP 0176)
References
Governor Control Module Replacement
Air Filter Replacement (TM 5-3825-270-10)
Air Cleaner Assembly Repair (WP 0170)
Water Distributor Operator Manual (TM
Engine Injection Nozzle Tubes Replacement
5-3825-270-10)
Engine Nozzle Assembly Holder (Injection Nozzle)
Replacement (WP 0120)
Equipment Condition
Engine OFF. (TM 5-3825-270-10)
Engine Injection Pump Replacement (WP 0117)
Engine Module Replacement (WP 0128)
Field Level Preventive Maintenance Checks And
Services (PMCS) (WP 0069)
TROUBLESHOOTING PROCEDURE
EXCESSIVE FUEL CONSUMPTION
STEP 1
Is engine idle 900 to 1100 rpm?
1.
Start engine. (TM 5-3825-270-10)
NOTE
Engine speed may vary at normal engine idle and no load is present. Normal engine idle
should range from 900 to 1100 rpm with no load present.
2.
Observe tachometer.
TACHOMETER
Figure 1. Tachometer - Test 1.