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 TM 55-1905-220-14-6
Table of Specifications (Continued).
ENGINE PARTS
MINIMUM
MAXIMUM
LIMITS
(Standard Size, New)
(inches)
(cm)
(inches)
(cm)
(inches)
(cm)
PISTON
Journal diameter-main
bearing ................................ ..........
3.4990
8.8875
3.5000
8.8900
Journal diameter-conn.
Rod bearing................................ ...
2.7490
6.9825
2.7500
6.9850
Journal out-of-round .........................
.00025
.00064
.0010
.0025
Journal taper ................................ ....
.0005
.0013
.0015
.0038
*Runout on journals-total
indicator reading:
4 cylinder (mounted on
No.1 and No. 5 journals):
at No. 2 and No. 4
journals................................. ........
.0020
.0051
At No. 3 journal..............................
.0040
.0102
Thrust washer
thickness ................................ ............
.1190
.3023
.1220
.3099
End play (end thrust
clearance................................ ............
.0040
.0102
.0140
.0356
.0180
.0457
*Runout tolerance given for guidance when regrinding crankshaft. When the runout on adjacent journals is in
the OPPOSITE direction, the sum must not exceed.003 inches,(.008cm)total indicator reading. When the
runout on adjacent journals is in theSAME direction, the difference must not exceed .003 inch (.008 cm) total
indicator reading. When high spots of the runout on adjacent journals are at IGHT ANGLES to each other,
R
the sum must not exceed .004 inches (.010 cm) total indicator reading or .002 inches .005 cm) on each journal.
CONNECTING ROD BEARINGS
Inside diameter
(vertical axis) ................................
2.7514
6.9886
2.7534
6.9936
Bearing-to-journal
clearance ................................ .....
.0014
.0036
.0044
.0112
.0060
.0152
Bearing thickness 90
from parting line ...........................
.1548
.3932
.1553
.3945
.153
.388
min
min
MAIN BEARINGS
Inside diameter
(vertical axis ................................ .
3.5014
8.8936
3.5034
8.8986
Bearing-to-journal
clearance ................................ .....
.0014
.0036
.0044
.0112
.0060
.0152
Bearingthickness90
from parting line ...........................
.1548
.3932
.1553
.3945
.153
.389
min
min
3-2320
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