TM 5-4310-386-14(4) Inspect cylinder walls for cracks, scoring or damage. Replace if cracked, scored or damaged.(5) Inspect piston rings (1) for cracks, or excessive wear. Replace if cracked or worn excessively.NOTEMaximum wear limit of cylinder diameter is 1.2634 inches (32.09 mm).(6)Using micrometer, measure cylinder diameter in four places A, B, C, and D.(7)Place each piston ring in cylinder and measure piston ring gap with feeler gage. Gap must be between0.01to 0.25 mm.(8) Install four piston rings (1) on piston (2).(9) Measure piston ring clearance in the groove. The clearance should be between0.00197 to 0.00393 (0.05 to0.1 mm).(10) Install 3rd stage cylinder and piston (para. a. above).FOLLOW-ON MAINTENANCEInstall 3rd stage compressor valve head assembly (para. 5-22).6-21
Integrated Publishing, Inc. - A (SDVOSB) Service Disabled Veteran Owned Small Business
