TM 5-4310-386-14
Table 6-1. General Support Troubleshooting Procedures.
MALFUNCTION
TEST OR INSPECTION
CORRECTIVE ACTION
11. ENGINE DOES NOT RUN SMOOTHLY.
Step 1.
Check to see if fuel feed pump is defective (diaphragm).
Repair, as required (para. 4-32).
Step 2.
Check to see if commencement of delivery setting is incorrect.
Adjust timing (para. 5-30).
Step 3.
Check to see if compression pressure is too low.
Replace piston rings, cylinders, or valves (para. 5-41, 5-42, and 5-43).
Step 4.
Check to see if cylinders and/or piston rings are worn.
Replace cylinders or piston rings (para. 5-42 and 5-43).
12. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1.
Check valve guides.
Repair or replace (para. 5-40).
Step 2.
Check cylinder and piston clearance.
Replace a worn cylinder or piston (para. 5-42 and 5-43).
Section III. GENERAL SUPPORT MAINTENANCE PROCEDURES
Paragraph
Page
6-6
General ....................................................................................................................................... 6-6
6-7
1st Stage Cylinder and Piston...................................................................................................... 6-6
6-8
2nd Stage Cylinder and Piston.................................................................................................... 6-10
6-9
3rd Stage Cylinder and Piston..................................................................................................... 6-16
6-10
4th Stage Cylinder and Piston..................................................................................................... 6-22
6-11
Compressor Upper Crankcase..................................................................................................... 6-26
6-12
Crankcase Cover......................................................................................................................... 6-28
6-13
Compressor Crankshaft Assembly............................................................................................... 6-32
6-14
Compressor Lower Crankcase..................................................................................................... 6-36
6-15
Compressor Eccentric Shaft........................................................................................................ 6-40
6-16
Alternator .................................................................................................................................... 6-44
6-17
Starter ......................................................................................................................................... 6-48
6-18
Crankshaft................................................................................................................................... 6-52
6-19
Camshaft and Cover ................................................................................................................... 6-58
6-20
Crankcase................................................................................................................................... 6-62
6-21
Power Take-Off Assembly........................................................................................................... 6-64
6-22
Clutch Assembly.......................................................................................................................... 6-68
6-5