Kohler CV11-16, Service Manual

Page: 138 / 150

11.14
Section 11
Reassembly
Figure 11-42. Installing Adjustment Nut.
5. Install breather reed and reed retainer, secure
with the M5 hex. fl ange screw. Torque the screw
to
6.2 N·m (55 in. lb.) in a new hole, or 3.9 N·m
(35 in lb.) in a used hole.
6. Install the exhaust studs (if removed previously,
or a new head is being installed). The threaded
end with the oval point or identifi cation symbol
must be out.
Install Cylinder Head
1. Rotate the crankshaft to TDC of the compression
stroke and make sure the lifters are installed in
the lifter bores with the socket end up.
2. a. Install a new cylinder head gasket and the
cylinder head assembly on the crankcase.
Figure 11-43. Installing Cylinder Head (Rocker
Bridge Type Shown).
b. Apply Loctite
®
No. 59241 thread sealant to
the threads of two of the shorter (81 mm/3.1
in.) head bolts, and install them into location 3
and 4. See Figure 11-44.
c. If the engine has a high temperature cutout
switch, insert a long (90 mm/3.5 in.) head bolt
through the special washer (fl at on one edge),
and the cutout switch. Install it in position 1.
d. Determine the correct length head bolt for
position 5, based upon the length of spacer
used. If the spacer used is
27 mm (1.062 in.)
long, use a long (90 mm/3.5 in.) head bolt. If
the spacer used is
17 mm (.669 in.) long, use
a shorter (81 mm/3.1 in.) head bolt. Insert the
appropriate head bolt through the spacer and
washer, and install it in position 5. See Figure
11-44.
e. Install head bolts in the remaining positions.
f. Following the sequence in Figure 11-44,
torque the bolts to 24 N·m (18 ft. lb.) . Then
repeat the sequence to a fi nal torque of
48.9 N·m (36 ft. lb.) .
1
4 2
5
3
Figure 11-44. Cylinder Head Fastener Torque
Sequence.
3. Install the push rods in their original position.
4. Rocker Bridge Heads–Figure 11-37
a. Compress the valve spring and seat the push
rods into the sockets under the end of the
rocker arms.
Hex. Flange
Screws
b. Start the set screw into the nut, but only a few
turns or it may hamper lash adjustment. Start
the adjustment nut with the set screw on the
end of each stud.