ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
Table 6-1. General Support Troubleshooting Procedures (cont).
Malfunction
Test or Inspection
Corrective Action
3. ENGINE RUNS EXCESSIVELY NOISY (cont).
Step 2. Inspect camshaft, camshaft gear, and bearing.
Replace a worn or otherwise damaged camshaft, camshaft gear, and bearing (para. 6-9).
Step 3. Inspect crankshaft.
Replace a worn or otherwise damaged crankshaft (para. 6-10).
4. ENGINE OIL CONSUMPTION EXCESSIVE.
Step 1. Inspect piston and piston rings.
Replace worn or otherwise damaged piston and piston rings (para. 6-7).
Step 2. Inspect cylinder.
Replace a worn or otherwise damaged cylinder (para. 6-8).
5. ENGINE EXHAUST SMOKY.
Step 1. Inspect piston and connecting rod.
Replace or repair a damaged piston and connecting rod (para. 6-7).
Step 2. Inspect cylinder.
Replace a damaged or worn cylinder (para. 6-8).
Section Ill. GENERAL SUPPORT MAINTENANCE PROCEDURES
Paragraph
Page
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-3
Piston and Connecting Rod . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-4
Cylinder . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-10
Camshaft, Camshaft Gear, and Bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-12
Crankshaft . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-14
Crankcase . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...6-18
6-6. General. This section contains general support maintenance procedures as authorized by the MAC in
Appendix B of this manual. Table 6-2 at the end of this section, contains wear limits for those items maintained by
general support maintenance. Those items which do not meet the specified measurements must be replaced.
Refer to Appendix E for torque values. All maintenance procedures require only one person to perform. It may be
necessary to remove the engine from the end item to perform some general support level maintenance
procedures. Refer to the end item manual for procedures to remove the engine.
