Kubota WSM 05-E4B Series User Manual

1. Measure
the
piston
pin bore I.D. in the horizontal
and vertical directions with a cylinder gauge.
NOTE
• If the measurement
is more than the service
limit, replace the piston.
Piston pin bore
I.D.
Service specifi-
cation
22.000 to 22.013 mm
0.86615 to 0.86665 in.
Service limit
22.03 mm
0.08673 in.
6.25 Checking oil clearance between
piston pin and small end bushing
Tools required
• Outside micrometer
• Inside micrometer or cylinder gauge
1. Measure the piston pin O.D. at where it contacts the
bushing with an outside micrometer.
Piston pin O.D.
Service specifi-
cation
22.002 to 22.011 mm
0.86622 to 0.86657 in.
2. Measure
the
small
end bushing I.D. at the small
end of connecting rod with an inside micrometer or
cylinder gauge.
Small end bushing
I.D.
Service specifi-
cation
22.025 to 22.040 mm
0.86713 to 0.86771 in.
3. Calculate the oil clearance.
NOTE
• If
the
oil
clearance is more than the service
limit, replace the bushing.
• If the oil clearance is still more than the
service limit, replace the piston pin.
Oil clearance be-
tween piston pin
and small end
bushing
Service specifi-
cation
0.014 to 0.038 mm
0.00056 to 0.0014 in.
Service limit
0.15 mm
0.0059 in.
6.26 Replacing small end bushing
Tools required
• Small end bushing replacing tool
Removing small end bushing
1. Press
out the used small end bushing with small
end bushing replacing tool.
(A) Removing direction
Installing small end bushing
1. Clean a new small end bushing and bore.
2. Insert the new small end bushing onto the tool.
SERVICING
6. Servicing 4. ENGINE
05-E4B SERIES,05-E4BG SERIES
4-61
KiSC issued 03, 2023 A

Kubota WSM 05-E4B Series Specifications

General

Brand	Kubota
Model	WSM 05-E4B Series
Category	Engine
Language	English