TM 5-3805-280-24-2
Cylinder Block, Liners, Pistons and Rods
MEASURE PISTON PIN BORE
10
27
Measure piston pin bore. If bore is not within specification,
replace piston and liner set.
Piston Pin Bore (Small Pin)--Specification
ID ............................................................................... 34.935--34.945 mm
(1.3754--1.3758 in.)
Piston Pin Bore (Large Pin)--Specification
ID ............................................................................... 41.285--41.295 mm
(1.6254--1.6258 in.)
RG,10,DT7413 1912NOV971/1
MEASURE PISTON SKIRT
1. Measure piston skirt (A) 90 to piston pin bore and 28
mm (1.1 in.) from bottom of piston (B). Record
measurement.
Piston Skirt (Measurement taken bottom of skirt 28 mm (1.1 in.)
from bottom of piston)--Specification
Diameter .................................................................... 106.38--106.40 mm
(4.188--4.189 in.)
2. Measure cylinder liner as directed later in this group
and compare with piston measurement.
A--Piston Skirt
B--Measurement Area
RG,10,DT7412 1912NOV971/1
MEASURE PISTON HEIGHT
Measure piston height from center of piston pin
bore-to-top of piston.
Piston--Specification
Height (Measured From Center of ........ 71.64--71.70 mm (2.820--2.823
Pin Bore to Top of Piston)
in.)
DPSG,OUO1004,212
1909JUL981/1
13-140