Cub Cadet 8454 - Manual (Page 152)

CHAPTER 4 8454
4-48 D569-W02 May-2003
Piston Return Spring Free Length
1. Measure the free length of spring with venire
calipers.
2. If the measurement is less than the allowable limit,
replace it.
Independent PTO
return spring free
length Factory
spec.
Allowable
limit
36 mm
1.41 in.
33 mm
1.30 in.
569W479A
Replace adjusting shim (8) with thinner one to move
the bevel pinion shaft forward. And place the right side
shim (5) to the left to move the bevel gear leftward.
Repeat above until the proper tooth contact and back-
lash are achieved.
Clutch Disc, Steel Plate Wear
1. Measure the thickness of clutch disc with venire
calipers.
2. If the measurement less than the allowable limit,
replace it.
3. If the thickness is less than the allowable limit, re-
place it.
Thickness of
independent PTO
clutch disc Factory
spec.
Allowable
limit
2.10 ~ 2.3 mm
0.082 ~ 0.090 in.
1.9 mm
0.074 in.
Thickness of inde-
pendent PTO clutch
disc Factory
spec.
Allowable
limit
1.52 ~ 1.68 mm
0.059 ~ 0.066 in.
1.2 mm
0.047 in.
569W476A
569W477A