ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
Table 6-2. Engine Repair and Replacement Limits (cont).
Measurements
Item
Maximum
Minimum
CYLINDERS
Bore
2.9990
2.9995
(7.6187)
(7.6174)
Out of round
0.0000
0.0005
(0.0000)
(0.0001)
Taper
0.0000
0.0010
(0.0000)
(0.0002)
CAMSHAFT:
Bearing journal dia
Front
0.9365
0.9370
(2.3787)
(2.3799)
Rear
0.8740
0.8745
(2.2199)
(2.2212)
1.7188
1.7195
Center
(4.3658)
(4.3675)
0.2437
Cam lift
0.2487
(0.6189)
(0.6316)
End play
0.0020
0.0080
(0.0050)
(0.0020)
Bearing inside dia
0.9390
0.9380
(2.3825)
(2.3850)
Bearing journal to bearing clearance
0.0010
0.0025
(0.0020)
(0.0063)
CRANKSHAFT:
Main bearing journals
1.6255
1.6260
Front
(4.1288)
(4.1300)
1.6260
Rear
1.6255
(4.1288)
(4.1300)
1.6255
1.6260
Center
(4.1287)
(4.1300)
1.4975
1.4980
Connecting rod journal od
(3.8037)
(3.8049)
End play
0.0030
0.0100
(0.0076)
(0.0254)
Main bearing id
1.6275
1.6282
(4.1339)
(4.1356)
Main bearing od
1.7545
1.7560
(4.4564)
(4.4602)
Timing gear tooth tolerance
0.002
0.004
(0.0050)
(0.010)
6-22