Cub Cadet 8454 Service Manual page 62

CHAPTER 2 8454
4) Cylinder head
1. Remove the screw in the specified sequence shown
in the figure and remove the cylinder head (1) and
head gasket.
2. Remove the water flange (2).
3. Take out the tappets from the cylinder block.
NOTE:
• Mark the cylinder number to the tappets to prevent
interchanging.
(When reassembling)
• Apply liquid gasket (Three bond 1215 or equivalent)
on the both sides of water flange gasket.
• Replace the head gasket with new one and place
on the cylinder block, be careful of its direction and
side.
• When using the head gasket shim, assemble the
shim first on the cylinder head.
• Before installing the tappets apply engine oil around
them.
IMPORTANT:
• Apply oil to the thread of screws and tighten in sev-
eral steps and the specified sequence shown in the
figure to the specified torque.
• Check the torque after 30 minutes operation of the
assembled engine, and adjust valve clearance.
Tightening Cylinder
torque head
screws
5) Valve
1. Compress the valve spring with a replaces and re-
move the collect (2).
2. Remove the retainer (3), valve spring (4), valve stem
seal (5) and the valve (1).
IMPORTANT:
• Do not interchange valves and valve parts.
• Mark the cylinder number on the valve and the parts
to prevent interchanging.
(When reassembling)
• Apply oil to the stem of valve and install in the cylin-
der head.
• Lubricate the valve
reassembling.
2-40
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www.mymowerparts.com
103.0 ~ 107.9 N·m
10.5 ~ 11.0 kgf·m
75.9 ~ 79.6 lbf·ft
and the parts after
(1) Cylinder Head
(1) Valve
(2) Collect
(3) Retainer
569W260A
(2) Water Flange
569W261B
569W262A
(4) Valve Spring
(5) Valve Stem Seal
D569-W03 May-2003