Kubota V3600-E3 Shop Manual page 169

V3-E3B SERIES, V3-E3CB SERIES, V3-E3BG SERIES, WSM
Piston
1. Clean carbon in each cylinder completely.
2. Remove a connecting rod cap.
3. Turn the flywheel to set a piston at the top dead center.
4. Push a connecting rod from the bottom side of crankcase with
grip of a hammer to remove a piston.
5. Do the same procedure (2. to 4.) for each piston.
(When reassembling)
• Before inserting the piston into the cylinder, apply enough engine
oil to the cylinder.
• When inserting the piston into the cylinder, face the mark (3) on
the connecting rod to the injection pump.
IMPORTANT
• Do not change the combination of cylinder and piston.
Make sure of the position of each piston by marking. For
example, mark "1" on the No. 1 position.
• When inserting the piston into the cylinder, place the gap of
each piston ring like the figure.
• Carefully insert the pistons using a piston ring compressor
(1). Otherwise, their chrome-plated section of piston rings
may be scratched, causing trouble inside the liner.
• When inserting the piston, be careful not to damage the
molybdenum disulfide coating.
Tightening torque Connecting rod screw
(1) Piston Ring Compressor
(2) Molybdenum Disulfide Coating in
piston skirt
(3) Mark
(a) 0.79 rad (45 °)
S-77
DIESEL ENGINE
79 to 83 N·m
8.0 to 8.5 kgf·m
58 to 61 lbf·ft
(A) Top Ring Gap
(B) Second Ring Gap
(C) Oil Ring Gap
(D) Piston Pin Hole
(E) Injection Pump Side
[A] V3600-E3B, V3600-T-E3B,
V3600-E3CB, V3600-T-E3CB,
V3300-E3BG, V3600-T-E3BG
[B] V3800DI-T-E3B, V3800DI-T-E3CB,
V3800DI-T-E3BG
W1058433