Gravely 424 - Fits and Clearances; Specification

FITS
AND
SPECIFICATION
Bore
and stroke
Bore diameter,
new
Crankshaft
end
play
Crankshaft
-
conn.
rod
iournal
size
Crankpin-conn.
rod side
clearance
Crankpin
length
Journal
diameter,
new
Connecting
rod to crankpiu
running
clearance
Connecting rod
to wrist
pin
clearance
Wrist
pin
to
piston
boss
Piston to cylinder
bore
(thrust
face)
Piston to cylinder
bore
(top
of skirt)
Piston
pin
bore
size
Piston
pin
diameter
Ring
side
clearance,
top
ring
Ring
side clearance, middle
ring
Ring
side
clearaace, oil
ring
Ring end
gap
Ring
width, inches,
top ring
Ring
width,
inches, middle
ring
Ring
width,
inches, oil
ring
Camshaft
pin
to
casrshaft clearance
Camshaft
pin
to block
(Bearing
plate
end)
Camshaft
pin
to block
(P.T.O.E.) (Int.)
Camshaft
pin
to
breaker cam
Camshaft end play
Valve stem
clearance
in
guide,
intake
Valve
stem
clearance in
guide,
exhaust
Valve
guide
in
block
(Interference)
Valve seat in
block
(exhaust)
(Interference)
Valve clearance,
intake
(cold)
Valve clearance,
exhaust
(cold)
Valve seat
angle
Valve face
angle
Valve
seat width
Valve tappet
clearance in block
Governor bushing
to
gov.
cross shaft clear.
Covernor
gear
to governor
shaft
Ball
bearing to cylinder
block
(Interference)
Ball bearing to
bearing
plate (Interference)
Ball bearing
to crankshaft
(Int.
to
loose)
CLEARANCES
Y\z,{L
3V+xt/s
3.250
.003/.020
1.5000i
r.49s5
.007/.018
1.187
1.575
.00r/.002
.0003/.0008
.00001.0003
Select Fit
.0031.004
.0075/.0085
.85975
.86
.002/.004
.wzl.w4
.00Ii.003
.0r0/.020
.093
.093
.187
.001i.0035
.0005/.002
.0015/,0030
.0010/.0025
.005/.010
.0010/.0025
.0025/.0040
.0005/.0020
.0031.005
.008/.010
.017/.020
44.5
45
.a371.u5
.0008/.0023
.00u.0025
.0005/.0020
.0006/.0022
.0012/.0028
.0004/.0005
58
K301
3% x SYn
3.375
.003/.020
1.5000/1.4995
.0071.016
1.180
r.575
.00r/.002
.0003/.0008
One Thumb
Push Fit
.003/.004
.0065/.0005
.85975
.86
.002/.004
.002/.004
.00u.003
.0I0/.020
.093
.093
.187
.ml/.0035
.0005/.0020
.0015/.0030
.0010i.0025
.005/.010
.0010/.0025
.m25/.0040
.0005/.0020
.m3/.005
.008/.010
.017/.020
44.5
45
.0371.045
.0008/.0023
.0010/.0025
.0005/.m20
.0006/.0022
.0012/.0028
.0004i.0005
K321
3',Lx3lt
3.500
.003/.020
1.5000/1.4995
.007/.016
1.180
r.575
.00u.002
.0003/.0008
One
Thumb
Push
Fit
.0035/.0045
.007/.0r0
.85975
.86
.wzl.N4
.002/.004
.00r/.003
.0r0/.020
.093
.003
.187
.00r/.0035
,0005/.0020
.0015/.0030
.0010/.0025
.005/.0r0
.0010/.0025
.00251.0040
.00051.0020
.003/.005
.008/.0r0
.017i.0r9
44.5
45
.0371.M5
.0008/.0023
.0010/.0025
.0005/.0020
.0006/.0022
.00r2/.0028
,0004/.0005