Onan MEP-003A - Page 22

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
VALVE
LIFTER
:
Body
diameter
0.8725
0. 8730
0.003
Overall
length
1.
510
1.550 1.500
Clearance
in
bore
(
block
)
0.0025
0.0040
0.008
VALVE SPRINGS - INTAKE &
EXHAUST :
Free
length
1-7
/
8
Total coils
5.
75
Diameter wire
0.
142
Outside diameter
0.901
0.920
Load closed 45
lb
49
lb
40
lb
Load
open
87.
2
lb
97.2
lb
80
lb
OIL PUMP BODY :
Shaft bore diameter - main
0.338 0.343
0,002
Shaft bore diameter - idler
0.
308
0,309
0.002
Pump
gear
bore
diameter
0 , 884
0.886
0.003
Pump
gear
bore
depth
0.748
0.750 0.002
OIL PUMP SHAFTS :
Length
-
main
1.
176
1. 206
N
/
A
Length
-
idler
1-1
/
16
N
/
A
Diameter
main
0.3124
0.3126
0.002
Diameter - idler
0.
3095
0.3110 0.002
Shaft
clearance
in
body
0.0009 0.0016
0
,
003
OIL PUMP GEARS :
Outside diameter - both
0. 878 0.
880
0.005
Length
-
both
0.749
0.750
Clearance in body bore
0.004
0.008
End
clearance
to
body
Shimmed
Backlash
,
drive
gear
to
camshaft
0.005
0.010
adjustable
1-7