Kohler KT19 series II User Manual

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SECTION 7

DISASSEMBLY

CLOSURE

PLATE AND CRANKCASE

1.

Loosen

the

closure

plate

screws,

then

slide

the

closure

plate

off

the

crankshaft.

sa••

I

Oil Pressure Relief Valve

2.

Remove

the

oil

pressure

relief

valve

ball

and

spring

(and

steel

sleeve,

if

necessary)

from

crankcase.

See

Figure

7-14.

3.

Measure

the

free

length

of

the

spring-length

should

be

0.940" (±.010).

Replace

spring

if

free

length

is

not

within

tolerance.

NOTE:

A

replacement

ball

and

spring,

and

steel

sleeve

are

available

in

kit

form.

Refer

to

the

Parts

Manual

for

the

part

number

of

this

kit.

Figure

7·14.

Oil Pressure Relief Valve

Camshaft Bore Plug

4.

Scribe

a

line

across

the

camshaft

bore

plug

(flywheel

end

of

engine)

and

the

#1

crankcase

half.

This

is

used

to

align

the

plug

on

reassembly.

Figure

7-15.

Machined Camshaft Bore Plug

(Series

II Engines Only)

50

5.

Loosen

and

remove

the

crankcase

nuts

and

screws.

6.

Put

tape

or

governor

spring

around

the

tappet

stems

on

the

#2

side

of

the

case

to

prevent

the

tappets

from

falling

into

the

case

when

the

halves

are

split.

7.

Lay

crankcase

down

so

that

#2

side

is

up.

Locate

the

crankcase

splitting

notches

in

the

seam

formed

by

the

two

halves.

With

the

tip

of

a

large

flat

blade

screwdriver,

pry

the

two

case

halves

apart

as

shown

in

Figure

7-16.

Figure

7-16.

Splitting the Crankcase

CAMSHAFT, TAPPETS, CRANKSHAFT

AND

CONNECTING RODS

1.

Remove

the

camshaft,

pulling

it

from

the

#1

side

of

the

crankcase.

2.

Lift

tappets

from

crankcase.

3.

If

tappets

are

to

be

reused

they

must

be

marked,

at

this

time,

according

to

crankcase

side,

and

as

either

intake

or

exhaust.

If

new

tappets

are

used

marking

will

not

be

necessary

as

all

four

tappets

are

the

same.

4.

Lift

the

crankshaft

out

of

the

crankcase.

Slide

the

oil

seal

from

flywheel

end

of

shaft,

then

remove

bearings

(either

sleeve

or

ball)

and

spacer

from

crankshaft.

5.

Loosen

connecting

rod

bolts

and

remove

con-

necting

rods

from

crankshaft.

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Kohler KT19 series II Specifications

General

Brand	Kohler
Model	KT19 series II
Category	Engine
Language	English

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