Onan MEP-003A

TM5-6115-585-34
NAVFAC P - 8-262-12
TO - 35C2-3-455-2
TM
-
05684C
-
34
Table 1-2 . Repair and Replacement Standards ( Cont )
Manufacturer Dimensions
and Tolerances
Maximum Allowable
Wear Limit
Component
Minimum
Maximum
CONNECTING
ROD
(
Cont
):
Connecting
rod
side
clearance
0.0020 0.0160
0.0160
1.
043
1.045
1.0455
Piston pin bushing bore - less
bushing
Piston pin bushing bore
0.9903
0.
9906
0.001
CAMSHAFT :
Bearing
journal
diameter
Front
Rear
2. 2500
1. 1875
2.
2505
1.1880
0.002
0.002
Lobe
diameter - base
to
tip
1.
185
1.
189
0.005
Journal runout in vee blocks
0.004
Bearing clearance
0.0012
0.0037
0.0057
End Thrust 0.0070
0.0390
0.0450
Backlash
camshaft
to
crank
gear
0.005 0.0100 0.0120
PISTON :
0.0062
0.0082 0.010
Clearance in
cylinder
bore
( pull
on
1/2
x
0.0050
ribbon
)
Piston pin bore
0.99005
0.
99025
0.9903
Width
of
ring
groove
-
top
0.097 0.098 0.005
0.0965 0.0975 0.005
Width of ring groove - 2nd & 3rd
compression
Width of ring groove - oil control
0. 1880
0.1895 0.005
PISTON PIN :
Length
2. 988
3.
003
N
/
A
Diameter
0.9899 0.9901
Clearance
in
piston
0.0005
0.0025
Clearance in
connecting rod
0.0002 0.0007
PISTON RING :
Clearance
in
groove
-
top
0.0035 0.0075
2nd & 3rd
0.0030
0.0050
0.001
0.0003
0.0008
0.0100
0.0080 Clearance
in
groove
compression
1-5