Cub Cadet 8454 Service Manual page 74

CHAPTER 2 8454
(D) Injection pump gear side clearance
1. Pull the fuel camshaft and pull the injection pump
gear (1) to each end.
2. Measure the clearance (A) between the injection
pump gear (1) and the snap ring (2) on the fuel
camshaft.
3. If the clearance exceeds the allowable limit, check
the gear, the bearing and the key.
Side Factory
clearance spec.
Allowable
limit
(E) Idle gear oil clearance
1. Measure the idle gear shaft O.D. with an outside
micrometer.
2. Measure the idle gear bushings I.D. with an inside
micrometer.
3. If the clearance exceeds the allowable limit, replace
the bushing.
Oil Factory
clearance spec.
Allowable
limit
Shaft Factory
O.D. spec.
Bushing Factory
I.D. spec.
(F) Replacing idle gear bushings
1. Press out the bushings using an idle gear bushing
replacing tool.
2. Clean the bushings and the bore, and apply oil to
them.
3. Press in the bushing using the replacing tool.
2-52
K&T Saw Shop 606-678-9623 or 606-561-4983
www.mymowerparts.com
0.15 ~ 0.57 mm
0.0059 ~ 0.0224 in.
0.9 mm
0.035 in.
0.025 ~ 0.066 mm
0.00098 ~ 0.00259 in.
0.1 mm
0.004 in.
37.959 ~ 37.975 mm
1.4944 ~ 1.4950 in.
38.000 ~ 38.025 mm
1.4961 ~ 1.4970 in.
(1) Injection Pump Gear
(A) Clearance
569W296A
(2) Snap Ring
569W297A
569W298A
D569-W02 May-2003