ARMY TM 9-2805-259-14
AIR FORCE TO 38G2-89-54
NAVY NAVFAC P-8-615-14E
Table 6-2. Engine Repair and Replacements Limits (cont).
Measurements
Item
Minimum
Maximum
Piston ring groove
Width Top
0.1200
0.1210
(0.3048)
(0.3090)
0.0955
Second
0.0965
(0.2426)
(0.2451)
Third
0.1880
0.1890
(0.4775)
(0.4801)
Piston rings
Width spacer
0.1460
0.1520
(0.3708)
(0.3861)
Top
0.1400
0.1500
(0.3556)
(0.3810)
0.1290
0.1390
Second
(0.3277)
(0.3531)
Third
0.1290
0.1390
(0.3277)
(0.3531)
0.0235
Thickness spacer
0.0245
(0.0622)
(0.0598)
Top
0.0930
0.0940
(0.2362)
(0.2388)
0.0940
0.0930
Second
(0.2362)
(0.2388)
0.1860
Third
0.1870
(0.4724)
(0.4750)
0.0100
Gap clearance spacer
0.0060
(0.0254)
(0.1524)
Top
0.0100
0.0200
(0.0254)
(0.0508)
Third
0.0100
0.0200
(0.0254)
(0.0508)
N/A
Side clearance
N/A
First
0.0015
0.0045
(0.0038)
(0.0011)
Second
0.0035
0.0015
(0.0088)
(0.0038)
Third
0.0030
0.0010
(0.0076)
(0.0038)
6-21