Quantcast Table 2-1. Direct Support and General Support Troubleshooting Table - continued -714360026

 

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Table 2-1. Direct Support and General Support Troubleshooting Table
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TM-5-2410-237-34 Tractor Full Tracked Low Speed: DED Medium Drawbar Pull SSN M061 Manual
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Table 2-1. Direct Support and General Support Troubleshooting Table - continued -714360027
TM5-241O-237-34
Table 2-1.
Direct Support and General Support Troubleshooting Table (Cont'd)
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
Step 4.
Check for slipping fuel injection pump drive. Remove fuel transfer pump
(page 4-10).  Crank the engine and look through the fuel transfer pump
mounting openings to see if the shaft rotates.
If the shaft does not rotate, remove the small cover from the timing gear
cover and tighten the accessory drive gear retaining nut (see page 3- 04).
If tightening corrects the slipping, time the fuel injection pump (page
4-26).
END OF TESTING!
3. ENGINE STARTING MOTOR OPERATES, DOES NOT ENGAGE FLYWHEEL RING GEAR
Step 1.
Check for broken or damaged flywheel ring gear teeth.
Remove starting motor (TM5-241O-237-2O).
a.
b.
Use engine barring tool to turn engine and inspect flywheel ring gear
teeth through starting motor opening in flywheel housing.
c.
Repair or replace defective flywheel ring gear (page 3-71).
END OF TESTING!
4.
ENGINE STALLS AT LOW RPM
Step 1.
Check fuel pressure at the gage on the filter base. The fuel transfer pump
should supply enough pressure so that gage reads in green zone at high.
If not, replace gage and check for:
25 psi minimum at full load
30 psi minimum at high idle
Repair or replace transfer pump, if necessary (page 4-10).
Step 2.
Measure engine low idle speed (page 4-33).
Adjust governor low idle rpm if necessary (page 4-33).
Step 3.
Check for defective fuel injection nozzle.
Repair or replace nozzle (TM5-241O-237-2O).
Step 4.
Check for defective fuel injection pump(s) (page 4-14).
Repair or replace pumps, if necessary (page 4-14).
END OF TESTING!
2-6

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