Piston And Connecting Rod - Kubota V3600-E3 Shop Manual

V3-E3B SERIES, V3-E3CB SERIES, V3-E3BG SERIES, WSM

(3) Piston and Connecting Rod

Piston Pin Bore I.D.
1. Measure the piston pin bore I.D. in both the horizontal and
vertical directions with a cylinder gauge.
2. If the measurement exceeds the allowable limit, replace the
piston.
Factory spec.
Piston pin bore I.D.
Allowable limit
Oil Clearance between Piston Pin and Small End Bushing
1. Measure the O.D. of the piston pin where it contacts the bushing
with an outside micrometer.
2. Measure the I.D. of the piston pin bushing at the connecting rod
small end with a cylinder gauge.
3. Calculate the oil clearance.
4. If the clearance exceeds the allowable limit, replace the bushing.
5. If it still exceeds the allowable limit, replace the piston pin.
Factory spec.
Oil clearance between
piston pin and small end
bushing
Allowable limit
Piston pin O.D. Factory spec.
Small end bushing I.D. Factory spec.
Replacing Small End Bushing
(When removing)
1. Press out the used bushing with small end bushing replacing tool.
(When installing)
1. Clean a new small end bushing and bore.
2. Apply engine oil to a new small end bushing and bore.
3. Insert a new bushing onto the tool.
4. Press-fit it with a press so that the seam (1) of bushing position
as shown in the figure, until it is flash with the connecting rod.
(1) Seam
S-101
DIESEL ENGINE
30.000 to 30.013 mm
1.1811 to 1.1816 in.
30.05 mm
1.183 in.
W1065759
0.020 to 0.040 mm
0.00079 to 0.0015 in.
0.15 mm
0.0059 in.
30.006 to 30.011 mm
1.1814 to 1.1815 in.
30.031 to 30.046 mm
1.1824 to 1.1829 in.
W1065897
(A) When Removing
(B) When Installing
(C) 0.26 rad (15 °)
W1066057