Cub Cadet 8454, Service Manual

Page: 83 / 334

ENGINE
2-61 D569-W02 May-2003
569W2B7A
569W2B8A
569W2B9A
(B) Rotor end clearance of oil pump
1. Put a strip of PLASTIGAGE on the rotor and as-
semble the pump.
2. Disassemble the pump and measure the amount
of the flattening with the scale to get the clearance.
3. If the clearance exceeds the allowable limit, replace
the pump.
b. Servicing
(A) Rotor and lobe clearance of oil pump
1. Measure the clearance between the outer and in-
ner rotor with a feeler gauge.
2. Measure the clearance between the outer and the
housing with a feeler gauge.
3. If the clearance exceeds the allowable limit, replace
the pump.
Outer
and inner
rotor
clearance
Outer
and inner
housing
clearance
Factory
spec.
Allowable
limit
Factory
spec.
Allowable
limit
0.10 ~ 0.16 mm
0.0039 ~ 0.0063 in.
0.20 mm
0.0079 in.
0.11 ~ 0.19 mm
0.0043 ~ 0.0075 in.
0.25 mm
0.0098 in.
End
clearance Factory
spec.
Allowable
limit
0.105 ~ 0.150 mm
0.00423 ~ 0.00591 in.
0.20 mm
0.0079 in.
www.mymowerparts.com
K&T Saw Shop 606-678-9623 or 606-561-4983