Kohler Command CV730 User Manual download pdf (Page 199)

11.12

Section 11

Reassembly

Figure 11-41. Install Push Rods in Their Original

Position.

2. Apply grease to the contact surfaces of the rocker

arms and rocker arm pivots. Install the rocker

arms and rocker arm pivots on one cylinder head,

and start the two hex flange screws.

3. Torque the hex flange screws to 11.3 N·m

(100 in. lb.). See Figure 11-42.

Figure 11-40. Torquing the Cylinder Head Mounting

Nuts (Stud Design).

Install Push Rods and Rocker Arms

NOTE: Push rods should always be installed in the

same position as before disassembly.

1. Note the mark or tag identifying the push rod as

either intake or exhaust and cylinder #1 or #2. Dip

the ends of the push rods in engine oil and install,

making sure that each push rod ball seats in its

hydraulic lifter socket. See Figure 11-41.

b. Thread the opposite end of the stud, with the

preapplied locking compound, into the

crankcase, until the specified height from the

crankcase surface is achieved. See Figure

11-39. When threading in the studs, use a

steady tightening motion without interruption

until the proper height is obtained. Otherwise

the frictional heat from the engaging threads

may cause the locking compound to set up

prematurely.

The studs closest to the lifters must have an exposed

height of 75 mm (2 15/16 in.).

The studs furthest from the lifters must have an

exposed height of 68 mm (2 3/4 in.).

c. Remove the nuts and repeat the procedure as

required.

Figure 11-39. Installing New Mounting Studs to

Specified Height.

4. Check that the dowel pins are in place and install

a new cylinder head gasket (printing up).

5. Install the cylinder head. Match the numbers on

the cylinder heads and the crankcase. See Figure

11-32. Make sure the head is flat on the gasket

and dowel pins.

6. Lightly lubricate the exposed (upper) threads of

the studs with engine oil. Install a flat washer and

hex nut onto each of the mounting studs. Torque

the hex nuts in two stages; first to 16.9 N·m

(150 in. lb.), then finally to 33.9 N·m (300 in. lb.),

following the sequence in Figure 11-38.

1 2 ... 194 195 196 197 198 199 200 201 202 203 204 ... 216 217

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Kohler Command CV730 User Manual Page 199

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