Kubota SM-E4B Series Workshop Manual page 96

SM-E4B SERIES, WSM
Rocker Arm and Push Rod
1. Remove the rocker arm bracket screws (2).
2. Detach the rocker arm assembly (1).
3. Remove the push rods (3).
(When reassembling)
• When putting the push rods (3) onto the tappets (4), check to
see if their ends are properly engaged with the dimples.
IMPORTANT
• After installing the rocker arm, be sure to adjust the valve
clearance.
Tightening torque Rocker arm bracket screw
(1) Rocker Arm Assembly
(2) Rocker Arm Bracket Screws
Cylinder Head and Cylinder Head Gasket
1. Loosen the pipe clamps (1), and remove the water return pipe
(2).
2. Remove the cylinder head screw in the order of (n or j) to (a).
3. Remove the cylinder head gasket.
(When reassembling)
• Replace the cylinder head gasket with a new one.
• When mounting the gasket, set it to the pin pipe holes. Take
care not to mount it reversely.
• The cylinder head should be free of scratches and dust.
• Install the cylinder head, using care not to damage the gasket.
• After applying engine oil to the thread of screws, tighten them in
several steps and specified sequence (a) to (n or j).
NOTE
• Do not use O-ring on the pin pipe.
• It is not necessary to retighten the cylinder head screw and
to readjust valve clearance after engine warmed up.
Tightening torque Cylinder head screw
(1) Pipe Clamp
(2) Water Return Pipe
(3) Pin Pipe
1-S32
ENGINE
9.81 to 11.2 N·m
1.00 to 1.15 kgf·m
7.24 to 8.31 lbf·ft
(3) Push Rod
(4) Tappet
9Y1210785ENS0034US0
38 to 42 N·m
3.8 to 4.3 kgf·m
28 to 31 lbf·ft
A : Gear Case Side
(n or j) to (a) :To Loosen
(a) to (n or j) :To Tighten
[a] Z482-E4B, Z602-E4B
[b] D722-E4B, D782-E4B, D902-E4B
9Y1210785ENS0035US0
KiSC issued 01, 2013 A