Cub Cadet 8404 - Manual (Page 75)

ENGINE SYSTEM
2-53 D615-W02 May-2003
615W2B1A
615W2B0A
(H)Camshaft alignment
1. Support the camshaft with V blocks on the surface
plate at both end journals and set a dial indicator
with its tip on the intermediate journal.
2. Rotate the camshaft in the V block and get the ec-
centricity (half of the measurement).
3. If the eccentricity exceeds the allowable limit, re-
place the camshaft.
Eccentricity Allowable
limit
0.05 mm
0.002 in.
(I) Cam height
1. Measure the height of the camshaft lobes at their
largest. O.D. with an outside micrometer.
2. If the measurement is less than the allowable limit,
replace the camshaft.
C a m
height
Specification
Allowable
limit
Specification
Allowable
limit
33.59 mm
1.322 in.
33.54 mm
1.320 in.
33.69 mm
1.326 in.
33.64 mm
1.324 in.
3A165
4A200
(IN.)
(EX.)
615W2A9A
(G)Camshaft oil clearance
1. Measure the I.D. of the camshaft bore on the crank-
case with an inside micrometer.
2. Measure the O.D. of the camshaft journal with an
outside micrometer.
3. If the clearance exceeds the allowable limit, replace
the shaft.
Oil
clearance
Journal
O.D.
Bore
I.D.
Factory
spec.
Allowable
limit
Factory
spec.
Factory
spec.
0.050 ~ 0.091mm
0.00197 ~ 0.00358 in.
0.15 mm
0.0059 in.
39.934 ~ 39.950 mm
1.57221 ~ 1.57284 in.
40.000 ~ 40.025 mm
1.57480 ~ 1.57579 in.