| Tweet |
Custom Search
|
|
|
||
 TM 55-1905-220-14-4
3-40.1. PISTON - MAINTENANCE INSTRUCTIONS (Cont).
LOCATION
ITEM
ACTION
REMARKS
REASSEMBLY (Cont)
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
10.7823
Clearance-piston skirt-
to- iner................................ ..........
.0045
.0114
.0083
.0211
.0120
.0305
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
.0070
.0178
.0180
.0457
No. 2 ................................ ........... .
.0100
.6254
.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
c. Piston
Assemble.
Refer to para-
and con-
necting
rod
d. Piston
Lubricate for installa-
Use engine oil.
and all
tion.
piston
rings
3-821
|
||
|
||
