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 TM 55-1905-219-14-6
Table of Specifications (Continued).
ENGINE PARTS
MINIMUM
MAXIMUM
LIMITS
(Standard Size, New)
(inches)
(cm)
(inches)
(cm)
(inches)
(cm)
PISTON
Height (centerline of
bushing to top)..............................
3.5430
8.9992
3.5480
9.0119
Diameter (above compres-
sion rings)................................ .....
4.2225
10.7252
4.2255
10.7328
Diameter (at skirt).........................
4.2428
10.7767
4.2450
Clearance-piston skirt-
to-liner ................................ ..........
.0045
.0114
.0083
.0211
.0120
.0309
Out-of-round................................ .
.0005
.0013
Taper ................................ ...........
.0005
.0013
COMPRESSION RINGS
Gap (top-fire ring).........................
.0230
.0584
.0380
.0965
.0600
.1524
Gap (No. 2, 3 and 4).....................
.0180
.0457
.0430
.1092
.0600
.1524
Clearance-ring-to-groove:
No. 1 (top-fire
ring) ................ .............................
.0040
.0102
.0060
.0152
.0100
.0254
No. 2 ................................ ............
.0100
.0254
.0130
.0330
.0220
.0559
No. 3 and 4 ................................ ..
.0040
.0102
.0070
.0178
.0130
.0330
OIL CONTROL RINGS
Gap ................................ ..............
.0080
.0203
.0230
.0584
.0430
.1092
Clearance................................ .....
.0015
.0038
.0055
.0140
.0080
.0203
PISTON PINS (Trunk Pistons)
Length................................ ..........
3.6050
9.1570
3.6200
9.1950
Diameter ................................ ......
1.4996
3.8090
1.5000
3.8100
1.4980
3.8050
Clearance-pin to piston
bearing................................ .........
.0025
.0064
.0034
.0086
.0100
.0254
Clearance-pin to conn.rod
bushing ................................ ........
.0015
.0038
.0024
.0061
.0100
.0254
Clearance-end (pin-to-re-
tainer-retainer with
lock ring ................................ .......
.0160
.0406
.0640
.1626
.0640
.1626
Piston bushing-inside
diameter ................................ .......
1.5025
3.8164
1.5030
3.8176
1.5050
3.8227
CONNECTING ROD
Length-center-to-center of
upper and lower bores..................
10.1240
25.7150
10.1260
25.7200
Inside diameter (upper
bushing)................................ ..............
1.5025
3.8164
1.5030
3.8176
1.5080
3.8303
Normal side clearance ........................
.0060
.0152
.0120
.0305
3-2351
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