Cub Cadet Challenger 500 Service Manual

Engine
4‐37

Oil pump operation
Look for smoothness.

Inspect the oil strainer (1)
O- ring (2)
Look for damage or contamination.
Clean with engine oil.
Measure the Oil Pump
Tip clearance (a) between the inner
rotor (1) and the outer rotor (2)
Side clearance (b) between the
outer rotor (2) and the pump
housing (3)
Body clearance (c) between
the
outer rotor (2) and the pump
housing (3)
Tip clearance Limit: 0.23 mm
Side clearance Limit: 0.17 mm
Body clearance Limit: 0.24 mm
Measure the crankshaft

Crank width (A)
Crank width 74.95 ~ 75.00 mm

Side Clearance (D)
Big end side clearance
Limit: 1.0 mm (0.0394 in)

Runout (b)
(C)
Runout limit (b): 0.03 mm (C): 0.03 mm
Ins
p
ect the oil
p
um
p


Roto
r
housing
Rotor cover
Look
f
o
r
c
r
acks, wea
r
o
r
dama
g
e.

Cub Cadet Challenger 500 Specifications

General

Brand	Cub Cadet
Model	Challenger 500
Category	Utility Vehicle
Language	English