TM-9-2815-205-24
6V53/6V53T ENGINES, DIESEL WITH CONTAINERS; MODEL 5063-5299, MODEL 5063-5392, MODEL 5063-5393 AND MODEL 5063-539L
TECHNICAL MANUAL; FIELD AND SUSTAINMENT MAINTENANCE
FEBRUARY 2013
TM-9-2815-205-24 - Page 685 of 856
INSPECTION-ACCEPTANCE AND REJECTION CRITERIA - Continued
Table 2.
Piston Ring Specifications.
MINIMUM
MAXIMUM
RING GAP
Compression Rings
0.0200 in. (0.508 mm)
0.0460 in. (1.168 mm)
Oil Control Rings
0.0100 in. (0.254 mm)
0.0250 in. (0.635 mm)
CLEARANCE
(RING TO GROOVE)
Top Groove
0.0030 in. (0.076 mm)
0.0060 in. (0.152 mm)
Second Groove
0.0070 in. (0.178 mm)
0.0100 in. (0.254 mm)
Third and Fourth Grooves
Model 5063-5299
0.0045 in. (0.114 mm)
0.0070 in. (0.178 mm)
Oil Control Ring Grooves
0.0015 in. (0.038 mm)
0.0055 in. (0.140 mm)
CAUTION
File or stone both ends of fire and compression rings from outer surface to inner surface to
prevent chipping or peeling of chrome plating on rings.
18.
File ends of fire or compression ring if ring gap is too small. Ends of ring must remain square and chamfer
on outer edge must be approximately 0.015 inch (0.381 mm).
19.
Using thickness gage, measure ring side clearance. Refer to Table 2 for ring side clearance specifications.
1
PISTON RING
PISTON RING
MAINT_361
Figure 9.
Fitting Piston Rings.
END OF TASK
TM 9-2815-205-24
0094
0094-11
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