Kohler K9J, KJ4J, KJ6J, KJBJ, K24J Service Manual

Single

Cylinder

Engine

K9J,

SERVICE

KJ4J, KJ6J,

MANUAL

K24J, K30J, K32J,

KJBJ,

K34J

CONTENTS

SECTION

1.

General Information

2.

Special Tools

3.

Periodic Maintenance

4.

Troubleshooting

5.

Air Cleaner And Air Intake System

6.

Fuel System And Governor

7.

Retractable Starters

......................................................

................................................

...............................................

....................................................

................................................

..................................

..........................................

.

II

.

II

.

SECTION

8.

Electrical Systems And Components

9.

Automatic Compression Release

10.

Disassembly

11.

Inspection and Repair

12.

Reassembly

.......................................................

..............................................

........................................................

.................................

.....................................

.

II

.

Ill

.

GENERAL INFORMATION

SAFETY INFORMATION

For Your Safety!

These safety precautions should

in serious injury to yourself

A

WARNING

and

SECTION 1

be

followed at all times. Failure to follow these safety precautions

others.

A

WARNING

A

WARNING

could

result

~

Explosive Fuel can cause burns.

Stop fuel

WARNING: Explosive Fuel!

Gasoline is extremely flammable and

its vapors can explode

nited. Store gasoline only in approved containers, in wellventilated, away from sparks fill the fuel tank while the engine is hot

or could with

hot tion. Do spilled fuel. Never use gasoline as a cleaning agent.

fires

and severe

engine before filling

tank.

if

ig-

unoccupied

running, since spilled fuel

ignite

if

it

comes in contact

parts

or

sparks from igni-

not

start the engine near

buildings,

or

flames. Do

not

~

Rotating Parts can cause severe injury.

Stay

away

while

engine

is

operation.

WARNING: Rotating Parts!

Keep hands, feet, hair, away from vent injury. Never operate the engine with covers, shrouds,

guards removed.

all moving parts to pre-

in

and

clothing

or

¥Af

Hot Parts

can cause severe burns. Do

not touch engine

operating or just after stopping.

WARNING: Hot Parts!

Engine components can tremely vent severe burns,

these areas while the engine is runningturned off. Never operate the engine with heat shields removed.

hot

from operq.tion.

or

immediately after

while

do

or

guards

not

get

To

touch

it

ex-

pre-

is

1.1

A

WARNING

A

WARNING

A

WARNING

~~~

Accidental Starts can cause severe injury or

death.

Disconnect plug

WARNING: Accidental Starts!

Before

equipment, always disconnect the spark gine from starting accidentally. Ground the lead to prevent sparks that

could

the equipment is in neutral.

A CAUTION: Electrical

.a

Never touch electrical wires components while the engine is running. They can electrical shock.

A WARNING: Overspeed Is

.a

Do

not

setting. Overspeed is hazardous

could

and

A WARNING: Flammable

.a

Carburetor cleaners are extremely flammable. Keep sparks, flames, of

ignition away from the area. Follow the cleaner manufacturer's warnings

proper gasoline as

and

ground

lead before servicing.

seNicing

plug

lead to prevent the en-

cause fires. Make sure

tamper with the governor

cause personal injury.

and

instructions

and

safe use. Never use

spark

-

the engine

Shock!

be

sources

Hazardous!

Solvents!

and

other sources

or

solvents

on

its

a cleaning agent.

of

Carbon Monoxide

can cause severe nausea,

or

fainting Do

closed

WARNING: Lethal Exhaust Gases!

Engine exhaust gases contain

sonous carbon monoxide. Carbon monoxide is odorless, colorless, and

can cause death

Avoid inhaling exhaust fumes, never run the engine in a closed building

death.

not

operate engine or

confined

or

confined area.

area.

in

if

inhaled.

poi-

and

A WARNING: Spring Under

.a

Retractable starters contain a powerful, flat wire recoil spring that is under tension. Do

center screw from the starter until the spring tension is released. Removing the center screw before releasing spring tension, starter disassembly, can cause the sudden

release

Always wear safety goggles when seNicing retractable face protection is recommended.

To proper reassembly, follow the procedures in this section carefully.

and

potentially dangerous

of

the spring.

ensure personal safety

starter disassembly and

Tension!

not

remove the

or

starters-

improper

full

and

~

Sulfuric Acid in batteries can cause severe injury or death.

Charge

only

in

well

Keep

sources of ignition

WARNING: Dangerous Acid,

Batteries contain sulfuric acid. prevent with skin, eyes, teries gas while vent a fire teries only in well-ventilated areas. Keep sparks, open flames, other sources

the battery at all times. Keep batteries move all jewelry when batteries.

Before disconnecting the negative (-) switches are will minal which sion vapors are present.

acid

produce

being

or

out

of

the reach

ground cable, make sure all

occur

at the ground cable ter-

if

hydrogen gas

ventilation.

away.

Explosive Gases!

To

burns, avoid contact

and

clothing. Bat-

explosive hydrogen

charged.

explosion, charge bat-

of

ignition away from

OFF.

If

could

cause an explo-

of

children.

seNicing

ON,

a spark

or

gasoline

To

and

pre-

Re-

1.2

ENGINE IDENTIFICATION NUMBERS

When ordering parts, involving an engine, always give the fication and serial

or

number

in any

of

the engine.

communications

model,

speci-

The engine identification

numbers

appear

on a

decal (or decals) affixed to the engine blower housing. Refer to Figure 1-1 . The significance of these numbers

is shown below:

A'iKOHLERI~[Jjll§lTilrJCcil

MODELNO

__........,..sPEC

B--

I~SERIAlNO

REFER

FOR

INSTRUCTIONS AND

PRECAUTIONS

NO

TO

OWNERS

OPERATION

00

HP

0000

0 0 0 0 0 0

0000000

MANUAl

MAINTENANU

SAFFTY

MODEL

NO

0 0 0 0

;;,:;

~~~w~'~

,0M~N~?,

FOR

OPERATION

INSTRUCTIONS AND

PRECAUTIONS

~~~~~~~:~;~~~~~~~

MAINHNANCE

SAFETY

._....,..__

'JS,~

c

SERIAL

NO

IIIIIIIIIIIIIIIIIIIIIIIIIII~WIIIIII111

000000000

1

A

B

c

Identification Decal

A. MODEL NO.

K 32 1 PT

K-Serles

Engine

Approximate

Displacement

(Cu.

ln.)

Single

Cylinder

Figure

1-1.

Version

A - Special Oil Pan C - Clutch Model G -

Generator

P - Pump Model

Q - Quiet Model

R - Reduction

S - Electric

T - Retractable

ST - Electric

Retractable

EP

- Electric Plant

Location

of

Identification

Code

Application

Gear

Start

And

Start

Engine

Decal.

B.

SPEC NO.

C.

SERIAL NO.

E - 1 7 2 4 5 2

u

A

Letter

1965

A

1966

B

c 1967

D 1968 E 1969

Engine

~

26, 27,

Model

31 28 29 30 46 47 60 71

9076430

LJ

First Two Digits I If Seven

Digit Number

10-19 1969 20-29 1970 30-39 40-49 50-59 60-69 70-72 1975 73-79 80-89 1977 90-94 95-99 1979

1971 1972 1973 1974

1976 1978

Remaining digits are a

Code

M.2.d..!tl

K91 K161 K141 K181 K241

K301 K321 K341

60

1248

l

Variation Basic

1 0 0 2 6 6 9 2

L__j

First Three Digits I If Eight Digit Number

100-109 1980

110-119 120-129 130-139 140-149 150-159

factory

1981 1982 1983 1984 1985

code.

of

Engine

1 5 0 1 8 9 7 5 9 1

LJ

First

Two Digits I

Digit Number

15 16 1986 17 18 19 20 21 22 23 24 25

1985 1987

1988 1989 1990 1991 1992 1993 1994 1995

If

Ten

Figure

1-2.

Engine

Identification

Decals.

1.3

OIL

RECOMMENDATIONS

Using

the

proper crankcase ly

important,

regularly.

oil

dirty

Oil

Use troleum the viscosity

time

causes

Type

high-quality

Institute)

of

operation

and in

Failure

type

the

as is

premature

detergent

Service

based

as shown in

and weight

gear

checking

to

use the

on

the

of

oil in

the

reduction unit is

oil daily and changing oil

correct

engine

oil

of

Class

air

temperature

the

wear

API

SF

table.

oil

(American

or

extreme-

or

using

and failure.

SG.

Select

at

the

engine

Pe-

NOTE: Using

or

extending oil recommended which is

A

logo

or

symbol

service

class and SAE

other

not

than

covered

on oil

Service

change

could

cause

by

containers

viscosity

Class

SF

intervals

the

grade.

longer

engine

engine warranty.

identifies

or

SG

than

damage

the

API

oil

Recommended

Straight and 1 OW-40

(0°C).

consumption

30-weight

are

Using

these

and

Shoulder of flange

SAE

Viscosity

oil is

preferred.

not

recommended

oils substantially

combustion

SAE 1 OW-30

above

chamber

Grades

32 °F

increases

deposits.

oil

Check

Check Check

drain should be up

level the drain plug.

NOTE: Do not

Oil

Level

oil lever gear

reduction uniot oil level by

plug on

is low,

cover,

plug hole, and

add

below the

dipstick.

remove

BEFORE

the

lower

to

the

oil until it

operate

the

"L"

EACH USE.

part

bottom

the

vented

reaches

replace

the

mark

removing

of

the

cover.

of

the

plug hole.

plug at

the

drain plug and vented

engine

or

over

with

the

Oil

the

bottom

the

oil level

"F"

top

of the

mark

Bayonet

the level If

oil

of

on

Remove from block Place Read level

Figure

1.4

on

shoulder

1-3.

Dipsticks And

Oil

Fill Tubes.

Push down on tube

level

Read

Change

For a new engine, hours operation

For an overhauled engine shortblock Service Class operation. Change the oil period. Refill with Service Class specified in ing hours

Oil

of

operation.

thereafter.

or

the

thereafter.

change

Change oil

miniblock, use straight

SF

or

SG

table. Change oil

oil

aft~r

or

one rebuilt with a new

oil

for

after

FUEL RECOMMENDATIONS

the first 5

every

the first 5 hours

25 hours

30-weight

this initial

SF

or

SG

every

run-in

oil as

25

operat-

of

Do

not use gasoline left over

gum

son, to minimize and to insure easy starting.

Do

not add oil to the gasoline.

Do

not overfill the fuel tank. Leave

fuel to expand.

deposits

from

the previous sea-

in

your fuel system

room

tor

the

Fuel Type

For best results, use only clean, fresh, unleaded gasoline with a higher. should be 90

In

pump

sticker

countries using the Research

octane

minimum.

octane

rating

of

87

method,

or

it

£ WARNING: Explosive Fuel!

Gasoline may system. Gasoline is extremely flammable and it can explode other sources connect and ground the spark the possibility

General Recommendations

Purchase gasoline

clean, approved containers. A container with a ca-

pacity of 2 gallons recommended.

and

helps eliminate spoilage during refueling.

be

present in the carburetor and fuel

if

ignited. Keep sparks, open flames, and

of

ignition away from the engine. Dis-

plug

lead to prevent

of

sparks from the ignition system.

in

small quantities and store

or

less with a pouring spout

Such a container

is

easier to handle

in

is

Unleaded gasoline less combustion line

may

be used available and exhaust emissions are not regulated. Be

aware however, that the cylinder head will re-

quire

more

frequent

is

recommended,

chamber

in

deposits. Leaded gaso-

areas where unleaded is not

service.

as it leaves

Gasoline/ Alcohol blends

Gasohol (up gasoline by volume) is approved as a fuel engines. proved.

to

10% ethyl alcohol, 90% unleaded

for

Kohler

Other gasoline/alcohol blends are not ap-

Gasoline/Ether blends

Methyl Tertiary Butyl Ether (MTBE) and unleaded gasoline blends (up to a volume) are approved as a Other

gasoline/ether

maximum

blends are not approved.

fuel

of

15%

for

Kohler engines.

MTBE

by

OIL REFILL QUANTITIES (U.S. STANDARD QUARTS)

K91

1/2

Quart 1 Quart

*

A-type

level,

K141, K161,

(After

oil pan

then

capacity

add oil as necessary

K181

refilling, always

varies

K241, K301, K321,

2 Quarts

check

from 1 to

to

1-3/4

bring up

Figure

K341 K241

oil level --DO

quarts.

to

full level.

On

1-4.

A,

K301

1 Quart*

NOT

OVERFILL)

these add 1 quart

A,

of

K321

oil,

A,

K341

check

A

1.5

HORSEPOWER

GENERAL

BALANCE

GEAR

CAMSHAFT

CONNECTING

ROD

CRANKSHAFT

CYLINDER

BORE

CYLINDER

IGNITION

cv-•

=z--,:;;.

0

./

--""

PISTON

®:..:~.~~

PISTON

~

®-}raJJ

"""'!:

PISTON

VALVES

(Maximum

En

ine

Model

Displacement Max. Operating

Shalt

0.0.

Sleeve

Small

PTO

Flywheel

M

End

A R

I Max. Taper (Sleeve)

N

Running

S Clearance

-(Sieevef

c

:f---M-a_x

~~-~M=ax~.~O~u~l~of~R~o~u~nd-~.........:_~oo=0~5-+~.o~o=o5~-t-~.o~oo~5=--~.........:.~oo~o=5.........:+~.o~o=o5~-t-~.0~00~5:_~.........:~.o~oo=5.........:~

ff--~~~~~~~.........:~:_-t-~~-t--~=---j--~~--jL_~~-~~~-t-~~--~

N

Max.

HD.

Spark

Plug

T~e

Gap

Nominal Point

Service Replacement Sizes

Thrust Face

o.D.(J)

Ring

End

Max. Ring Side Clearance

Service Replacement Sizes

Thrust Face

0.0.®

Ring hNr.:e;:;;w"Bo;:;re;;o":--tt-----+------t---·0_1_0i_.0_23_t-----+-·-01..,0.,..i.0:--2_0-t-·0_1_0i_.0_20_+-_.0_10,...i.-:-02_0--l

End

Max.

Outside Diameter .5623/.5625

Guide Reamer

c!appet

··r~~f~ce

MiTmum

(Zero Lash)

Minimum

Valve Stem

0.0.

Nominal Guide

w~::l~~Wmlf---Ex-h-

RPM)

Bore x Stroke

Cu.

.~axlmum

W&arlimil

End

Play

1.0.

Installed

End

Play

End

1.0.

(New)

&

Maximum

0.0.

wear

~~~-

~~~~e~el

Ma~~r:,um

f----'l~<L-...f--.....:::_--jf--.........:=--+-=--t-.....:::_--jf--.........:=--+-=--t--==-----1

wear

New

Ste1~v~a'l~~ring

New

__

~w~e~ar_L_im-il-~~.~93~5~0~~~1.~18~5~0~+--1~.1-8-50~-r-1~.4-99-0~~-1.-49_9_0_+--1-.4-9-90--r-1-.4-9-90-~

Max.

Taper

End

Play .004/.023 .002/.023 .002/.023 .003/.020 .003/.020 .003/.020 .003/.020

Oul

ol

Round

Max.

Taper

Oul

of

Flatness

Type®

BaHery

Magneto Gaseous

f--="cc:ew=---11--"2~.3~71:...:/2:...:.3~6~9

::::mr~,

New

Used

Gap

f--o..;;M;;cc";;'=;m=:'"""n--ll--.........:_=---+---=_=----t.::c=2=.9.::c31=+-~_=---+==3:.:.3...:6.:.:7=-t.::c=3::..4::.92=-=+=-"3.::_74:..:.4:....:.:.

~~~~:C~".'':.t&~

Gap

Use~::""

Ring

Side Clearance _ _

Size

f--~'"=ak=e--~~·0:.:05:...:/.=00~9--j.........:·=00~6~/.0:.:0:::8-+~·0:.:0::.6/~.0=08:_~~-U=08~/.::.01...:0--j~·::.00~8~/.0~1::.0-+~·0:.:0::.8/~.0~10:_~·=00:.:8/~.0~1=0®~

Exhaus•

f----'"'_ak_e

E•haust

Intake

r------+---~r----~-------t-----r-------t-----t------i

Exhaust

Angle

Valve

1.0.

Intake

2.375x2.000

RPM New

New

limit

Fuel:

Gap

M

New

ln.

li

I.D.

Bore Bore

'·

8.86

4000

.005/.020

.001/.0025

.003 .0007/.0008 .5630/.5633

.9841/.9844

.9841

11

ro

.9360/.9355

.001

2.3755/2.3745 2.9380/2.9370 2.9380/2.9370

2.378 .003 .003 .003 .003 .003

.003

RCJ-8

.025 .025 .018 .020

-+=2~.9.::c29:..:.7..::/2.:.:.9.::c28:..:1+='2.-"92:.:9.:c7/.::c2

2.366 2.925

.0035/.006 .007/.010

.007/.017 .007/.017

.027 .027 .006 .006

- -

_ _

.250

.0111.o15

__

~--~-2"'o3~5---+-~·.::c27~1=8---t--~·2:..:.7:...:18~-tc--~·3:..:.1~8--+---=·3_18~-t--~·c:.31~8---+--~·3~1=8--~

.1768 .2482 .2478 .2458

Seat 45' 45' 45' 45' 45' 45' 45'

.. -..

.005

---+--~.o=o"'7---+----":o~o7~~---:...:oo~7---+---:o~o...:8

2.938x2.500

16.94

.005/.010 .001/.002

.0025 .0006/.0011 .6255/.6258

1.1811/1.1814

1.1811

1.186011.1855

2.941 2.941

RCJ-8 RCJ-8

.62471.6249

.3125 .3125 .3125 .3125 .3125 .3125

.o17I.019 .o17I.019

.3103

.3088

2.938x2.750

3600

.005/.010 .001/.002

.0006/.0011 .6255/.6258

1.1811/1.1814

1.1811

_ _ _ _ _ _

1.186011.1855

.001 .001 .001 .001 .001 .001

.003 .003 .003

.025 .025 .035 .025 .025 .025 .025 .018 .020 .020 .020 .020 .020 .020

.007/.010 .007/.017

2.9329/2.9336

.0034/.0051

.62471.6249

005 005 006

3.251x2.875

18.64 3600

.4998/.5001

.002/.010

.005/.010

.0025

.003 .002 .002 .002

.018

2.925

.027 .030 .006

.032 .006

.2482 .3103 .3088

.001/.002

.0003/.0008 .8596/.8599

1.5745/1.5749

1.5745

1.5000/1.4995

3.251513.2505

·..:c92:.:8c..1

+'3:...:.2:.:4..:c32:...:/3:...:.2:.:4:...:13+"'3.-=-36~8-=/3.:.:.3..:c65

3.238 3.363 .007/.010 .007/.010 .007/.010 .010/.020 .010/.020 .010/.020

.8591/.8593

.o111.o19

3.375x3.250

23.85 3600

.4996

.0025

3.254

RH-10

.018 .018

.006

.318 .318 .318

.3103 .3103 .3103 .3103 .3074

.4998/.5001

.002/.010

.005/.010 .001/.002

.0003/.0008 .8757/.8760

1.5745/1.5749

1.5745

1.500011.4995 1.500011.4995 1.500011.4995

3.375513.3745

.003

- 3.3700/3.3693 3.4945/3.4938 3.7465/3.7455

- .0045/.0062

_ _

3.378 3.503

RH-10

.003

-

.003-

.8752/.8754 .8752/.8754 .8752/.8754

.o17I.019 .o17I.019

.3074

__

-r--~:o...:oa--~--_...::o"'o8~-t---:=oo~8--~

3.500x3.250

29.07 3600

.4996

.0025

.003

.035

.010 -.020 -.030

.030 .006

.010-

.030 .030 .006

006

31.27 3600

.4998/.5001

.4996

.002/.010

.005/.010 .001/.002

.0025 .0003/.0008 .8757/.8760

1.5745/1.5749

1.5745

3.5005/3.4995 3.7505/3.7495

.003

RH-10 RH-10

.035 .025 .018

-=-3.'-'49:.:4..::1/-=-3.~49:.:2c:.5

4

.020-

.0050/.0067

+'3:..:..

3.491

.030 .006

.030

.006 .006

.3074 .3074

006 006

3.

750x3.250

35.90 3600

.4998/.5001

.4996

.002/.010

.005/.010 .001/.002

.0025 .0003/.0008 .8757/.8760

1.5745/1.5749

1.5745

3.753 .003 .002 .003

.035 .025 .018

7:...:42:.:5...:/3:...:.

74.:..c1:.:0®

4

3.738®

.007/.010®

.010/.020

.030 .006

4

.0030/.0050

.030

.o111.o19

.318

CD

Maximum limits combination of

0.0.

measurements

®Ball

bearing 1.3779/1.3784, Maximum Wear 1.3779

(])Ball

bearing 1.7716/1.7721, Maximum Wear 1.7716

•

Includes

K141

1.0.

and

Figure

1.6

® Pre Series ®

BaH

bearing .002/.023

® Champion spark plugs or equivalent

(J)

Measure just below oil ring groove and at right angles

1-5.

Engine

II

1.3733/1.3738, Maximum Wear 1.3728

to

piston pin

Specifications

And

Tolerances.

® 1800 RPM generator sets .005/.007 ® Measure W' above the bottom

of the piston skirt.

~

Top

and center compression rings.

HORSEPOWER

CONNECTING

RODSCD

SPARK

CYLINDER

HEADCD

FLYWHEEL RETAINING

GOVERNOR

GRASS

SCREEN

OIL

PAN

MANIFOLD

CAMSHAFT

NON

METALLIC

MOUNTING

(Max.

RPM)

Engine

Model

Posi-lock®

Capscrew@

PLUGS

NUT

SCREW

BUSHING

Metal

Plastic

Aluminum

Cast

Iron

Sheet

Metal®

SCREW/NUT

NUT

FUEL

PUMP

SCREWS

~

-

140

ln.lbs.

18·22 ft. lbs.

ps

((J1

~

K91 200 ln. lbs.

~4

2 a

0

40·50 ft. lbs.

250 in. lbs.

70-90 in. lbs.

-

250 in. lbs.

-

~

9}

X,

1

New 140 ln. lba.

-

Used 100 ln. lbs.

200 ln. lbs.

18·22

fl.

lbs.

p,

0'

~)

K161,

K181

~

15-20

fl.lbs.

3 0

\,_25

(QJ2

85-90 fl.

lbs.®

-

130·150 in. lbs.

70-140

in. lbs.

-

Grade

5-250

Grade 8--350 in. lbs.

in. lbs.

-

37·45 in. lbs.

K321

(ll6

K301

New 260 ln. lbs.

Used 200 ln. lbs.

2851n. lbs.

18-22 ft. lbs.

([jl I

50·60

fl.

lbs.

22-27

ft.

100-120 in. lbs.

70·140

in. lbs.

20·30 in. lbs.

IXI%1~

~IQJ

8

(QJ 4 (QJ

.

IQJ

01

I K241, 9

rQJ

K301,

25-30 ft. lbs.

6

3

l_SdJs

(ji2

-

35

fl.lbs.

200 in. lbs.

-

37·45 in. lbs.

K321

(7

(Q!a

(QJ

I

(QJ

I 9 25-30 ft. lbs.

·~~·,,}

25

(QJ2

lbs.

~

1

1o(Ql,

(ji6

K341

IQJ9

USE STANDARD TORQUE SETTINGS WHEN

SPECIFIC VALUES ARE NOT SPECIFIED.

CD

Lubricate with engine

®

DO

NOT overtorque

NEW-

Component directly from stock.

USED-

Component that was

Cast Iron or Steel

Grade 2

Size

0

----=-=

20 32 32

150 260

300

35ft. 45ft. 50 70ft.

75ft. 100ft. 110ft. 140ft. 150ft. 200ft.

in. lb. in. lb. 1n. in. ln. ln. ln. in. lb. in. lb.

ft.

8-3~

10-24 10-32 1/4-20 70

1/4-28 85 5/16-18 5/16-24 165 3/8-t6 3/8-24 7/t6-14 7/16-20

1/2-13

1/2-20 9/16-12 9/16-18 5/8-11 5/8-18 3/4-10 3/4-16

Conversions

oil

-loosen

-and in

Grade s•

Q

i--=-

--

lb.

115

lb.

140

lb. lb.

250 270

lb.

lb. lb. lb. lb.

105ft. 125ft.

lb.

t65

lb.

180ft.

lb.

230ft.

lb.

245ft.

lb.

325ft.

lb.

in. lbs. x .083 =ft. lbs.

ft. lbs. x ft.lbs.

ft.

lbs. x 1.3558 ~ N m

retorque the hex nuts on Pos1-Lock connecting rods.

a running engine.

25

ln.

lb.

40

ln.

lb.

40

ln.

lb.

ln.

lb

ln.

lb

1n.

lb.

1n.

lb

35ft.

lb.

40ft.

lb

55ft

lb.

75ft.

lb.

80ft.

lb. lb. lb.

ft.

lb. lb. lb. lb. lb.

12

~in.

x

.1383~kgm

Grade 8

@

165

ln.

200

ln.

350

ln.

30ft. 50

ft. 60ft. 80ft.

105ft. 115ft. 165ft.

~75ft.

230ft. 260ft. 330ft. 350ft. 470ft.

lbs.

lb. lb.

lb. lb. lb. lb. lb. lb. lb. lb.

lb.

lb. lb. lb. lb. lb.

OIL

DRAIN

at

150 180

20 ft. lbs. 25 ft. lbs.

20·25

PLUGS

Assembly)

Tightening

in. lb. in.

lb.

ft. lbs.

Torque

Aluminum

100 120

13 ft.lbs. 16

20·25

Pans

in.

lb.

in.

lb.

ft.

lbs.

ft.

lbs.

(Oil

~

1/4" 3/8" 1/2" 3/4"

X-708-1@

® Overtorque 20%, loosen below torque value and retorque to

®Torque

twice with minimum of one minute interval

<ID

3/8~16

thread with hex head nut and fibre gasket

® Pnor

to

Ser.

#23209832 45-55 ~-lbs.

Cast Iron Pans

f1nal

torque value

•

Includes

K141

Figure

1-6.

Torque

Values &

Sequences

For Fasteners.

1.7

SECTION 2

SPECIAL TOOLS

SPECIAL SERVICE TOOL KIT

These quality tools are designed form

specific procedures. By using tools designed you can service engines easier, faster and safer! In

addition, you·

customer

and

time.

down The Special Service Tool Kit No.

ordered tools can be Kohler Engine Distributor

disassembly, repair and reassembly

II

increase

satisfaction by decreasing engine

complete

as shown

ordered

your

individually. Contact

for

NO.

3211-A

to

help you per-

for

the

job,

service capabilities

3211-A

in

Figure 2-1

price and availability.

can be

or

the

your

Figure

2-1.

Special Service Tool Kit

2.1

VALVE

SERVICE

TOOLS

TOOL NO. &

VALVE SEAT PULLERS Removal

11726 11913

FORCING SCREW Used 11915

ADAPTER

11918

VALVE SEAT INSTALLER

11811 seats. Use 11812

SLIDE

3222

11799

Weight

12244

Slide

3268 VALVE GUIDE REMOVAL KIT

11838

Stud 3 1/2"

12100

Stud 2 1/2"

11800

Adapter

0917

Nut

12008

Nut

NAME

HAMMER

Bolt

adapter, 3222

forcing

pullers

Used

to

Used

Provides and

Used slide

screw

with

11726 & 11913

to

connect

slide

hammer

to

install

guide

to

pull

hammer

APPLICATION

of

valve seats, Use 11918

slide

hammer

valve seat

intake

with

pulling

removal. Use 4747

valve

and

exhaust

4747

handle

force for valve seat

guides

with

& 11915

pullers

handle.

3222

ILLUSTRATION

~

Ct==tP

©

~

(

llB~ii

:~~~

3224 VALVE GUIDE INSTALLER KIT

12325 Driver 11763 Driver 11770Gage 11771 Gage

REAMERS (Valve Guide)

11843 5/16" 11844 1/4"

SEAL

3223 SEAL INSTALLER KIT Used

11782 Seal 11783 Seal 11784 Seal 11785 Seal 11786 Seal 11787 Seal 11790 Seal

11791 Seal 11792 Seal 11793 Seal 11795

Installer Installer Installer Installer

Installer Installer Installer Installer Installer Installer

Handle

Used proper 11770 & 11771

To ream valve

AND

damage 11795

to

install

valve

depth.

Use 11763

depth

guides

BEARING

to

install

seals

and

to

proper

handle

with

installers

guides

gages

to

driver

with

INSTALLERS

without

depth.

Use

~

cw

c(

(])

v

X:1~

2.2

SEAL

AND

BEARING

INSTALLERS

TOOL NO. & NAME

3242 SEAL PROTECTOR SLEEVE KIT

12021

12020 12022 12127 1.50 12128 1.44

3241

12014 Ins. (Crank 12015 Ins. (Cam Bushing) 12016, 12017, 12018 & 12109

.75"

1.25 12126 1.12

BEARING INSTALLING KIT

Brg.

Installers

1.00

Bushing)

Used on seals

Used bearings

OTHER

3226 FLYWHEEL PULLER KIT

12485 Puller

5108 12505 12504 12506 Storage Bag

FLYWHEEL STRAP WRENCH Used 10357

Bolt BoltBolt-

w/forcing

- 1/4"

w/washer

10-24

3/8"

w/washer

screw

(3)

w/washer

(2)

Used bearing

removal

APPLICATION

crankshaft

to

prevent

to

install

and

bushings

when

damage

& remove

installing

engine

APPLICATIONS

to

remove

plates

to

hold

flywheels

from

engine

flywheel for nut

and

ILLUSTRATION

a

@

<(((

((

r

~~

~

~~

J J

)

~

OFFSET

11797 Wrench 1/2"

4923

FEELER GAGE

11767

TIMING GAGE

10355

SCRAPER

11762

HANDLE

4747

TOOL BOARD AND HOOK SET

12033

WRENCH

Wrench

Timing

Handle

9/16"

Gage

Used

to

remove &

barrel

retaining

to

Used backlash

Used position

Used without

Used hammer, and valve seat

Used

set

on

to

hold

when

to

scrape

damage

with

to

store and

bearing

install

nuts

oil

pump

twin

cylinder

balance

assembling

machined

installers,

identify

drive gear

gears in

cylinder

engine

timed

engine

surfaces

slide

installers

tools

n

~-

~

I

~

SEE FRONT PAGE

:=J

o)

2.3

KIT

3222 3268 Valve

NO.

VALVE TOOLS

11726 Valve Seat 11913 Valve Seat 11915

Forcing

11918

Adapter 11811 Valve Seat 11812 Valve Seat

Slide

12325 Valve 11763 Valve 11770 Valve 11771 Valve 11843 Valve 11844 Valve

3211

PART NO & NAME

Screw

Hammer

Guide

Guide Guide Guide Guide Guide Guide

1

KT19

-A

Puller Puller

Installer Installer

Removal Kit

Driver Driver (depth) Depth

Gage

Depth

Gage

Reamer

engines

5/16"

1/4"

prior

to

TOOL

......

co

0)

...... ......

~

•

• •

•

• •

•

• • •

• • • •

•

Series

II

USAGE

MODEL("

...... ...... ......

..,.

co

~

• •

•

• •

......

N

0

M M

C?

~ ~

•

• •

•

• •

•

K"

• • • • •

•

• •

(Spec

No.

CHART

SERIES)

.....

......

..,:..

~

0)

......

..,:..

~

......

..,.

~

• • • •

•

• •

•

• •

•

• • •

•

• •

(1)

•

49199

and

N N

M

co

LO

U?

~

•

• •

•

lower).

BEARING

12014

Installer-

12015

Installer-

12016

Installer-

12017

Installer12018

Installer-

12019

Installer11782

Installer

11783

Installer-

11784

Installer 11785

Installer

11786

Installer-

11787

Installer

11790

Installer-

11791

Installer

11792

Installer-

11793

Installer-

11795

Handle-

12020 Seal Sleeve 12021 Seal Sleeve 12022 Seal Sleeve

12126 Seal Sleeve 12127 Seal Sleeve 12128 Seal Sleeve

- Seal (PTO)

Crank

Cam

Bushing Bearing Bearing Bearing

Bearing

Seal

(Flywheel)

Seal

(Flywheel)

Seal

(Flywheel)

Seal

(Flywheel)

Seal

(Flywheel)

Installer

AND

Bushing

(PTO)

Seal

SEAL

INSTALLERS

•

• • • •

• • •

• •

•

USE AS REQUIRED USE AS REQUIRED USE AS REQUIRED USE AS REQUIRED USE AS REQUIRED USE AS REQUIRED

•

• •

•

• •

•

10357

Flywheel

11797

Offset

4923

Offset

11767

Feeler

10355

Timing

11762

Scraper 4747 Drive 3226

Flywheel

NOTE: K141

2.4

Strap

Wrench

Gauge-Crank(OII

Tool

Handle

Puller

requires

MISCELLANEOUS

Wrench

'/2'

9/16"

(Balance

Kit

same

1/2"

• •

Pump)

Gear)

•

• •

tools as K161.

• • • • •

•

TOOLS

•

• •

•

• •

•

• •

•

• •

•

• •

•

• •

•

Digital

Engine

Thermocouples

Tachometer

Analyzer

Digital

Slack

Thermometer

Tube

Manometer

Digital

Voltmeter

Figure

2-2.

The Kohler Engine Analysis Kit contains a selection of

instruments

critical

items You will find from

basic

cated

application

The kit includes

Qty.

1 1 1 Digital 1 1 1

3

which will enable you

that relate

many

crankcase

uses

vacuum

to for

engine

these

checks

tests.

the

following:

Description

Digital Digital

Voltmeter Tachometer Thermometer

Digital Engine Analyzer Slack Tube

Manometer

8 Ft. Lead With Plug

mm

14

Spark Plug

to

measure

performance.

instruments

to

sophisti-

-

Thermocouple

2 Head Bolt

1 Oil 1 1 1 1 1 1

Sump

/4"

318" x 1

1/2" X 1/8" 3/4" X 1/8" Tube With Fittings

1 Carrying

3

Plain

Thermocouple

x 1

/8"

Bushing

/8"

Bushing Bushing Bushing

Case

Thermocouple

Engine

Analysis

The

Kit

voltmeter,

gine analyzer circuitry the

and digital readouts. Guidelines

instruments

feature

the instruments

• Measure

temperatures

• spark plug base

• oil

sump.

• air into flywheel and

• Measure engine

• Measure

system

crankcase

back

• Measure voltage.

• Measure charging

• Measure

electric

The Engine Analyzer Kit can as shown,

vidually.

or

the

Contact

and availability.

tachometer,

state

and

for

testing

in

the kit you will

gasket/cylinder

carburetor.

speed

vacuum

pressure.

system

starter

instruments

your

Kohler Distributor

Carrying

thermometer

of

the

art

are

be

of

-

(RPM) .

and exhaust

current.

current

be

ordered

can

be

Case

and

en-

electronic

for

using

included. Using

able to:

head bolt.

(Amp}

draw.

complete

ordered

for

indi-

price

2.5

SECTION 3

PERIODIC MAINTENANCE

REQUIRED

These required maintenance procedures should be

MAINTENANCE

Required Maintenance

Check Clean Clean/Replace Fuel Filter

Clean Foam Precleaner . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Hours*

Change Check Optional Reduction

Gear Unit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Hours

Clean Cooling Fins and

External Surfaces . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50 Hours*

Clean Paper Air

Cleaner Element . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 00 Hours*

Check Spark Plug . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 00 Hours

Check

Clearance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 500 Hours

Clean Cylinder Head and Combustion Service Starter

Motor Drive . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Annually

• Perform these maintenance procedures

Oil

Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Daily

Grass Screen . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Daily*

..........................................

Oil

. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25 Hours

Valve-

extremely dusty and dirty conditions.

To-

Tappet

Chamber*

..............................................

performed

more

frequently when engine is operated under

at the

frequency

stated

As Required

or

in

the table:

Frequency

500

Hours**

500 Hours

*

• 250 Hours when leaded gasoline is used.

~

WARNING: Accidental Starts!

Before remove the spark starting accidentally. Ground the lead to prevent sparks that

CHECK

The proper oil phasized. Check oil

seNicing

OIL

importance

the engine

plug

to prevent the engine from

could

cause fires.

LEVEL

of checking and maintaining the

level in crankcase cannot be

BEFORE

or

equipment, always

EACH

USE

overem-

as follows:

1. Make sure the engine is stopped, level, and is cool so the oil has had sump.

2.

Clean the area around oil fill fore removing etc.,

out of the engine.

3. Remove sert dipstick and push it tube. Remove dipstick and

4.

On

engines with threaded

shoulder plug on

oil fill

to

keep dirt, grass clippings,

cap/dipstick;

top

time

to

drain into the

cap/dipstick

wipe oil off. Rein-

all the way down into

of

check

type

hole

the level.

plug dipstick,

to

observe level.

be-

3.1

The oil level should "F"

mark

on

the

dipstick. Refer

be

up to, but not over, the

to

Figure

3-1.

Precleaner

If

so

equipped, every tremely

25 operating hours

dusty,

wash and reoil

(more

dirty

conditions).

the

precleaner

often

under

ex-

Figure

5. Add the Always adding

CAUTION:

CHANGE

For a new engine, hours

of thereafter.

hours those rebuilt with a use straight for

the first 5 hours

after

this initial

hours

thereafter.

warm

from

carry

away

proper

check

more

oil.

Never

operate below stick.

"L"

OIL

operation. Change oil

For an overhauled engine

30-weight

run-in

Drain oil while the engine is still operation. The oil will flow freely and more

impurities. Change oil as follows:

t

Operating Range

__l_

L

3-1.

Oil Level Range.

type

of

oil if the level is low.

the level with dipstick

the engine with the oil level

mark

or

over

"F"

change

new

of

oil

after

the first 5

every

shortblock Service Class operation. Change the oil

period. Change oil

or

SF

before

mark

on

dip-

25 operating

or

miniblock,

or

SG

oil

every

25

1 . Remove

the

2.

Rinse detergent water (do not wring). dry.

3. Saturate Squeeze out excess oil.

4. Reinstall

precleaner

are eliminated. Squeeze out excess

precleaner

from

paper

in warm

thoroughly until all

water

Allow

precleaner

in

clean, fresh engine oil.

over

paper

element.

with

element.

detergent.

traces

to

Paper Element

Every 100 tremely element. Replace the element as necessary.

1.

Remove the precleaner (if so equipped), element cover, and paper element.

2.

Replace a dirty, bent, a genuine Kohler element. Handle new elements faces are bent

NOTE:

Reinstall the paper element.

3.

4.

Install the precleaner (cleaned and oiled) over the

hours

dusty

carefully; do not use of the sealing sur-

Do

not wash the paper element

pressed air as this will

paper

of operation

or

dirty conditions),

or

damaged.

element.

(more

damaged

damage

often under ex-

check

the paper

element with

or

element.

use

Wash

of

air

com-

1. Remove engine

better

2.

Reinstall ened securely.

Fill with new oil

3. mark on dipstick the engine is oil.

SERVICE

K-Series paper

also

are which surrounds the ure

3-2.

the

oil drain plug and dipstick. Tilt the

slightly towards the drain hole to obtain

drainage.

the

drain plug. Make sure it is tight-

of

the

on

the

AIR

engines are

air

cleaner

equipped

proper

dipstick. Always

before

adding

level when filling and checking

CLEANER

equipped

element.

with an oiled

paper

Some

element.

type

check

more

with a

specifications

foam

3.2

to the

oil. Make sure

high-density

precleaner

Refer

"F"

the level

to

Fig-

5.

Install the air cleaner en wing nut. Make sure element is sealed tightly against air cleaner base.

cover

and wing nut. Tight-

Inspect Air Cleaner Components

Whenever the air cleaner icing the element components:

Air

Cleaner Base - Make sure it

carburetor Element

New Look is not bent nut

is cleaner base and 50 in. lb. torque.

Breather

cleaner base and breather

and is not

Cover

~ngines

or

secured tightly to seal

Tube

or

and

only,

damaged.

element

- Make sure it

cover

precleaner,

bent

or

Element

make

Check

element

cover. Tighten nut to

cover.

is

removed,

check

is

damaged.

Cover

sure

that element cover

is

sealed tightly

the following

secured tightly to

Nut -On

element

between air

or

serv-

K181

cover

in

air

"'--

PRECLEANER

(OPTION)

Figure

NOTE: ponents could allow unfiltered air into the engine causing damaged

Damaged, worn,

premature

or

wear and failure. Replace all

worn components.

or

loose air cleaner

3-2.

Air Cleaner Components.

com-

CLEAN AIR INTAKE/COOLING AREAS

To ensure screen, cooling fins, and other external surfaces of engine are kept clean at operating hours dusty, dirty conditions), remove the blower housing and fins and external surfaces as necessary. Make sure the cooling shrouds are reinstalled. Refer to

the

"Disassembly"

cooling shroud removal and installation proce-

dures.

NOTE: screen, dirty ing shrouds removed due to overheating.

proper

other

Operating the engine with a blocked grass

cooling, make sure the grass

all times. Every 50

(more

cooling shrouds. Clean the cooling

or

plugged cooling fins,

often under extremely

and "Reassembly" sections

and/or

will cause engine damage

cool-

CHECK SPARK PLUG

for

Ground Electrode

Figure

1 . Before removing spark plug, clean the area

around the base of plug to keep dirt and debris out of engine.

3-3.

Servicing Spark Plug.

Every 1 00 operating hours, remove the spark plug,

check

new plug as necessary. Refer

its condition, and reset gap

to

or

replace with

Figure

3-3.

2. Remove the plug and place the plug if worn able.

check

or

its condition.

if reuse is question-

Re-

3.3

NOTE: Do not clean the spark plug using abrasive grit. spark plug and wear and

3.

Check gap by

enter

damage.

gap

using a wire feeler gauge. Adjust

carefully bending the ground electrode.

Some

grit could remain

the engine causing extensive

in

a machine

in

4. Reinstall

plug

spark

to

18/22 ft. lb.

plug into cylinder head. Torque

SERVICE OPTIONAL REDUCTION GEAR UNIT

On

engines check hours. Refer

equipped

the oil level

to

Figure

with a reduction

in

unit

every

3-4.

gear

50 operating

unit,

Figure

3-5.

In-line

Fuel Filter.

SERVICE STARTER MOTOR DRIVE

Every 500 operating hours occurs of

1. Remove

2. Remove dust

first) , clean and lubricate the drive splines

the Bendix-drive

starter

propriate

spacer, spring, dust pinion.

electric

from

"Disassembly"

cover,

or

annually (whichever

starter

crankcase. (Refer

stop nut, stop gear cover

motor.

section.)

spacer, and drive

to

ap-

Drain Plug (Oil Level

Figure

1 . Remove the plug on the lower part of

cover. to the

2.

To add oil,

of

top used

3.

Reinstall and tighten the plugs securely.

3-4.

Reduction Gear Unit.

With engine level, the oil should be up

bottom

the unit. Use the

in

of

the plug hole.

remove

the engine crankcase.

the vented fill plug at the

same

type of oil as

Check)

gear

unit

CHECK FUEL FILTER

Some filter. Visually

to

engines are equipped with

inspect the filter periodically. Re-

place when dirty with a genuine Kohler filter. Refer

Figure

3-5.

an

in-line

fuel

3.

Clean the drive shaft splines with solvent. Dry solvent thoroughly.

4.

Apply a small drive

lubricant (Part No.

NOTE: Kohler

357 01) must be used on all Kohler drives. The use drive to stick

5.

Apply a small stop nut threads. Assemble drive parts

verse

6. Reinstall

order

160 in. lb.

priate

"Reassembly"

amount

starter

of

other

or

bind.

amount

of

removal. Torque stop nut

starter

to

of

Kohler

52

drive lubricant (Part No.

lubricants can cause the

of

Loctite®

crankcase. (Refer

section.)

electric

357 01)

electric

No.

to

splines.

271

in

to

starter

52

starter

to

re-

to

appro-

CLEAN CYLINDER HEAD AND COMBUSTION CHAMBER

Every 500 operating hours (250 hours when leaded gasoline is used) , combustion

remove

chamber.

cylinder head and clean

Refer to Figure

3-6.

3.4

~1

Figure

1 . Remove the cylinder head baffle and cylinder

head.

2. Clean away wooden

3. Reinstall the cylinder head using a new gasket. Torque the cylinder head fasteners quence

CHECK

Every 500 operating hours, cover flat feeler gauge. Refer to Figure must

1 . Remove the air cleaner assembly, carburetor,

and "Disassembly"

2.

Position the crankshaft so the piston of

tappets).

3-6.

Cleaning Cylinder Head And Combustion Chamber.

combustion

or

plastic scraper.

to

the values specified

VALVE-

and

check

be cold when checking this clearance.

breather

compression

TO-

valve-to-tappet

assembly. (Refer

section.)

stroke

deposits using a

TAPPET

remove

(cam

has no

in

se-

in

Figure

CLEARANCE

breather/valve

clearance with a

3-8.

The engine

to

appropriate

is

effect

3-7.

at top

on

K161, K181 • 15-20

0)2

7©8Q)14(Q)

Q)

©

3

Q5

K241,

K301, K321

25-30

ft. lbs.

9

©

ft. lbs.

~6

Figure

3-8.

Measuring ValveClearance.

To-

Tappet

Q)

3

g5

* Includes

Figure

3-7.

K341 25-30

ft. lbs.

g2

K141

Cylinder Head Fastener Tightening Sequence.

3. Measure

valve-to-tappet

clearance with a flat feeler gauge. On

Model

clearance is too small,

grind the valve

K91, K141, K161,

remove the valves and

stems

until the

K181

correct

-If

the

clearance is obtained. Make sure valve stems are ground perfectly flat and smooth.

Model Intake Valve Exhaust Valve

K91 K161,K181 K241, K321,

If

K301 K341

clearance is too large, replace the valves and

Figure

.005" I .009" .006" I .008" .008" I .01

3-9.

0"

Valve Clearances

.011

"/.015" .017"/.019" .017"/.019"

recheck clearance.

NOTE: grinding the valves the for

On

Large clearances can also be reduced by

and/or

valve seats. Refer to

"Inspection And Repair/Reconditioning" section

valve specifications.

Models

K241, K301, K321,

K341

- Adjust the clearance by turning the adjusting screw on tappets. Refer to Figure

3-9.

STORAGE

If the engine will be out mately two months storage procedure.

1 . Change the oil when engine is still warm from

operation. Refer to "Change

2. Change the oil equipped. Refill with the engine crankcase fer

to "Service Optional Reduction Gear Unit. "

Run

engine

for

clean oil throughout engine.

3. Drain the

fuel tank and fuel system (or run engine until fuel tank and fuel system are empty).

4. Remove the spark plug. Add one tablespoon of engine oil into the spark plug hole. Install

by do not connect plug lead. Crank the

plug, engine two

or

5. Remove the spark plug. Cover the spark plug

with

hole

thumb piston is at the top of its stroke (pressure against thumb is greatest). do not connect plug lead.

of

service

or

more,

use the following

Oil."

in

reduction

gear

same

for

season of operation. Re-

a few minutes

to

three revolutions.

and turn engine

Reinstall plug, but

for

approxi-

unit, if so

oil as used

distribute

over

until the

in

Figure

3-10.

Clearance Through

Adjusting

K341.

Valve-

Models

To-

Tappet

K241

6. Clean the exterior surfaces of engine. Spread a light film of oil over any exposed metal surfaces of engine to prevent rust.

7. Store the engine

in

a clean, dry place.

3.6

SECTION 4

TROUBLESHOOTING

When trouble occurs, be sure to causes which, at first, be considered. For example, a starting problem

could be caused Some

listed below. Use this as a guide to locate trouble

causing factors.

Engine Cranks But

1 . Empty fuel tank.

2. Fuel shutoff valve closed.

3. Clogged fuel line.

4. Spark plug lead disconnected.

5. Keyswitch

6. Faulty spark

7. Faulty ignition.

8. Dirt

Engine

1 . Restricted

2. Dirt

3. Faulty choke

4. Loose wires

5. Carburetor improperly adjusted.

6. Faulty cylinder head gasket.

7. Faulty fuel pump.

Engine

1 . Hydrostatic transmission not

2. Loose wires

3. Dirt

4.

5. Faulty choke

6. Faulty spark plug.

7. Carburetor improperly adjusted.

8.

9. Low compression.

10. Faulty

Engine Will Not Crank

1 . Hydrostatic transmission is not

common

or

water

Starts

or

water

ground.

Starts Hard

drive is engaged.

or

water

Clogged

Incorrect

ACR

drive is engaged.

by

causes

or

kill switch

plug.

in

But

Does Not Keep Running

fuel tank vent.

in or

or

in

or

restricted fuel lines.

or

valve-to-tappet

mechanism.

GUIDE

check

may

seem too obvious to

an

empty of

Will Not Start

fuel system.

throttle controls/cables.

connections shorting ignition to

connections.

fuel system.

throttle controls/cables.

fuel tank.

engine troubles are

in

"off"

in

clearance.

the simple

position.

neutrai/PTO

in

neutrai/PTO

2. Battery is discharged.

3. Safety interlock switch is or

4. Loose

5. Faulty keyswitch

6. Faulty electric starter/starter solenoid.

7. Retractable starter not engaging

8. Seized internal engine components.

Engine Runs

1 . Dirt

2. Spark plug lead loose.

3. Loose wires ing ignition to ground.

4. Carburetor improperly adjusted.

5. Engine overheating.

6.

Incorrect

Engine Will Not Idle

1 . Idle speed adjusting screw improperly set.

2. Dirt

3. Idle fuel adjusting screw improperly set. Fuel tank vent restricted.

4.

5. Faulty spark

6. Incorrect

7. Low compression.

Engine Overheats

1 . Grass screen, cooling fins

clogged.

2. Excessive engine

3. Low crankcase oil level.

4. High crankcase oil level.

5. Carburetor improperly adjusted.

Engine Knocks

1 . Low crankcase

2. Excessive engine load.

Engine Loses Power

1 . Low crankcase oil level.

2. High crankcase oil level.

3. Restricted air cleaner element.

4. Dirt

5. Excessive engine load.

6. Engine overheating.

7. Faulty spark

8. Carburetor improperly adjusted.

faulty wires

But

or

water

valve-to-tappet

or

water

valve-to-tappet

or

water

plug.

or

Misses

in

fuel system.

or

connections intermittently short-

in

fuel system.

plug.

load.

oil level.

in

fuel system.

"engaged"

or

connections.

ignition switch.

in

clearance.

or

shrouding

.

drive cup.

II

4.1

9. Low compression.

Engine Uses Excessive Amount of Oil

1. Incorrect oil viscosity or

2. Clogged

system.

3. Worn

4. Worn cylinder bore.

5. Worn valve

improperly assembled breather

or

broken piston rings.

stems

or

and/or

type.

guides.

EXTERNAL ENGINE INSPECTION

0 Before cleaning

check

This inspection can give clues to what might

be found inside the engine (and the cause)

once

its external appearance and condition.

it is disassembled.

or

disassembling the engine,

CLEANING THE ENGINE

After inspecting the external condition of the engine, clean it thoroughly before disassembling. Also clean individual components as the engine is disassembled. inspected and gauged

There are many commercially available cleaners

that quickly remove grease, oil and grime from

engine parts. When such a cleaner is used, follow

the

manufacturer's

sure all traces of the cleaner are removed before the engine is reassembled and placed tion. Even small amounts of these cleaners quickly break down the lubricating properties of engine oil.

BASIC ENGINE

Only clean parts can be accurately

for

wear

or

damage.

instructions carefully. Make

in

opera-

TESTS

for

0 Check

crankcase, cooling fins, grass screen and other external surfaces. Dirt or debris areas are causes of overheating.

0 Check

aged components. Excessive oil leakage can indicate a clogged breather, worn or

loose

0 Check the air cleaner cover, element cover

and air cleaner base

of improper fit

0 Check the air cleaner element. Look for holes,

tears, cracked

other damage that could allow dirt to enter the

engine. Also note if the element is clogged

restricted. These conditions could indicate that

the air cleaner has been underserviced.

0 Check the carburetor throat for dirt. Dirt

throat is further indication that the air cleaner is not functioning properly.

0 Check the oil level. Note if the oil level

within the operating range it is low

0 Check the condition

into a container - it should flow freely. Check for

metal chips and other foreign particles.

NOTE: away from the workbench.

time

Sludge is a natural small accumu_lation formation could indicate that the oil has not been changed as weight

settings

It

for

of

buildup of dirt and debris on the

in

these

for

obvious fuel and oil leaks and

or

improperly assembled

or

damaged seals and gaskets

or

improperly torqued fasteners.

for

damage

or

seal.

or

damaged sealing surfaces or

on

or

overfilled.

of

the oil. Drain the oil

is good practice to drain oil at a location

Be

sure to allow ample

complete

oil has been used,

or

weak ignition, to name a few.

drainage.

by-product

is

normal. Excessive sludge

recommended,

of combustion; a

an

over-rich

or

the dipstick,

incorrect type or

dam-

indications

in

is

or

carburetor

or

the

Fuel System Test

To

determine if fuel is getting disconnect the fuel line at inlet to carburetor - if fuel does not flow out of line, to tank cap, blocked filter screen, faulty fuel pump, etc. fuel is getting as far as the carburetor, remove the spark plug, crank engine and inside combustion chamber. here, check

for

clogged lines, wrong (unvented) filler

for

faulty carburetor.

to

the carburetor,

check

If

system back

check

no fuel is present

for

If

fuel

Ignition System Test

To determine if the ignition system is good, re-

move the spark plug and place plug with side electrode against cylinder head then crank engine at sufficient speed to produce a good spark. sharp, snappy spark is noted, this eliminates the ignition system components as the cause, al-

though the ignition timing could be off. If

no spark the ignition system further. If points are pitted, don't bad shape. Dirty points may be cleaned. A bad condenser will cause premature failure of points.

if

Check the breaker push rod ing

or can be tested on commercial manufacturer's instructions. Check ignition coil coil tester for continuity.

or

a weak spark is produced,

attempt

sticking - replace as needed. Condenser

to service them - replace points

for

evidence of bind-

tester

per tester

If

check

a

in

on

Crankcase Vacuum

A partial vacuum should exist

when the engine is operating at normal temperatures. Pressure

by a clogged or improperly assembled breather)

can cause oil to be forced out at oil seals, gaskets

or

other available spots.

Crankcase vacuum is best measured with a slack tube manometer. The

in

the crankcase (usually caused

manometer

in

the crankcase

included

in

the

4.2

Kohler Engine Analysis Kit is

to

the

"Special

tion.

Tools"

section

Crankcase Vacuum Test

recommended.

for

more

informa-

Refer

side.

If

there

side is the

pressure engine side) following table.

same

(level

check

is no

vacuum

as in open side)

in

open side is higher than

for

(level

the conditions

in

engine

or

a positive

in

the

To

test

crankcase

1. Insert the Leave the to

the

atmosphere.

clamp

2.

Start the engine and run at high speed (3200 to 3600

3.

Open the the be 5

1.

Crankcase

2.

Seals

improperly

3.

Piston inspecting

is closed.

RPM)

tube.

to

1 0 inches above the level

and/or

blowby

vacuum

stopper

other

vent

.

clamp The level

and note the water level

Possible Cause

breather

gaskets leaking. Loose

torqued

or

leaky valves.

components.)

with the

hose into the oil fill hole.

of

the

manometer

Make sure the shutoff

in

the engine side should

NO

CRANKCASE VACUUM/PRESSURE

clogged

fasteners.

or

manometer:

in

inoperative.

or

(Confirm

open

in

the open

by

4. Close the shutoff engine.

clamp

before

Compression Test

Because these engines are matic

compression release difficult ing.

To

and related crankcase

1.

Disassemble breather, clean parts reassemble, and recheck pressure.

2.

Replace all Make sure fasteners are

appropriate

necessary.

3.

Recondition

and valve guides.

to

check

obtain an

the condition

mechanisms,

vacuum

IN

CRANKCASE

worn

torque

piston, rings,

accurate

test

Solution

or

damaged

values and sequences when

equipped mechanism

of

the

physical inspection and a

are

recommended.

tightened

cylinder

shutting

with an auto-

compression

combustion

thoroughly,

seals and gaskets.

securely. Use

bore, valves,

off

(ACR), it is

read-

chamber

the

II

4.

Restricted exhaust.

MEASURE

BETWEEN

DIFFERENCE COLUMNS

Figure

4.

Replace restricted

4-1.

muffler/exhaust

system.

Figure

4-2.

"U"

Tube

Manometer

4.3

SECTION 5

AIR CLEANER AND AIR INTAKE SYSTEM

K series engines are equipped with a paper air

fications are also equipped with

precleaner that surrounds the paper element. Re-

fer

cleaner

to Figure

5-1.

element.

Engines of

high-density

an

oiled foam

some

speci-

AIR CLEANER DISASSEMBLY

1 . Remove the wing nut and air cleaner cover.

2.

Remove the precleaner (if so per

element

3. Remove the base screws, air cleaner base, gasket and hose.

and seal.

equipped),

pa-

AIR CLEANER SERVICE

Precleaner

If

so equipped, wash and every 25 operating hours tremely

1 . Wash the precleaner

2. Rinse the precleaner thoroughly

3. Saturate the precleaner with

4. Reinstall the precleaner

dusty

or

dirty conditions).

gent.

detergent

of cess water (do not wring). dry.

gine

oil. Squeeze out excess oil.

ment.

are eliminated. Squeeze out ex-

re-oil

the precleaner

(more

in

often under ex-

warm water and

Allow precleaner to

clean, fresh en-

over

the

deter-

until all traces

paper

ele-

II

Figure

5-1.

Air

Cleaner

"'------

Assembly

PRECLEANER

- Exploded View.

(OPTION)

5.1

Paper Element

Inspect Air Cleaner Components

Every 1 00 operating hours tremely element. Replace

1 . Remove the precleaner (if so equipped), ele-

2.

NOTE: compressed

3. Reinstall the

4.

5.

dusty

or

dirty conditions)

the

ment

cover

ment.

Replace a dirty, bent new genuine Kohler elements carefully; bent

or

Do not wash the paper element or use

Install the precleaner (cleaned and oiled) over the paper element.

Install the air cleaner Tighten wing nut. Make sure element tightly against air cleaner base.

nut, element cover and paper ele-

damaged.

air as this will damage the element.

paper

(more

element

or

element.

do

not use if surfaces are

element.

cover

often under ex-

check

as follows:

damaged

Handle new

and wing nut.

element with a

the

is

paper

sealed

Whenever the air cleaner when servicing the paper element check

1 .

2.

3. Breather

NOTE: tain specifications, the element the breather tube, making it impossible crankcase vacuum. the end of the breather tube that protrudes through the air cleaner base at approximately a 45 degree angle.

the following components:

Air

Cleaner Base - Make sure it is secured tightly to carburetor and is not bent aged.

Element K181 ment that element seal element between air cleaner base and element cover. Tighten nut torque. Refer to Figure

in

the air cleaner base and breather cover.

Cover and

New Look engines only, make sure ele-

cover

is not bent

cover

Tube

- Make sure it is sealed tightly

On

Model

K181

cover

is removed,

or

precleaner,

or

Element

nut is secured tightly

Cover

or

damaged. Check

to

Nut -On

50 in. lb.

5-2.

New Look engines of

cover

may

to

To

prevent this problem, cut

or

dam-

to

cer-

contact

maintain

Air

Cleaner

Cover

~

Figure

5.2

5-2.

K181

New Look,

Air

Cleaner

Assembly.

Air

Cleaner

Base

Breather Hose

NOTE:

ponents causing damaged

OPTIONAL OIL BATH

If clean and tion to Figure

1 . Remove the

2.

NOTE: Do ment. The filtering material could be damaged.

3. Lightly

4. Inspect base and

Damaged, worn

could

premature

the engine has an oil bath type air cleaner,

or

more

bowl and drain the oil

Thoroughly wash bowl and vent.

low it

damaged.

allow unfiltered air into the engine

or

worn

service

frequently if conditions warrant. Refer

5-3.

cover,

Swish the

to

dry.

not

use

re-oil

the

or

loose air cleaner

wear and failure. Replace all

components.

AIR

CLEANER

it

after

every

lift the element out

element

compressed

element

cover

25

hours

of

from

the bowl.

cover

in

clean sol-

in

the solvent and al-

air to dry the ele-

with engine oil.

gaskets. Replace if

of

com-

opera-

the

5. Install base gasket and place filter on air horn.

6.

Add engine oil mark.

7.

Install filter Secure with wing nut finger tight only.

COOLING

Effective cooling on an unobstructed flow fins. Air is drawn into the cooling shroud

located on the flywheel. The blower housing, cool-

ing shroud, air screen covering the flywheel and cooling fins on the cylinder and cylinder head be kept clean and unobstructed at all

Never operate the engine with the blower housing or

cooling shroud-removed. These devices direct

air flow NOTE:

some

and able unless other modifications are engine.

AIR

over

Some

use metal. The two are

to

filter and fill

element,

cover

to

the

OIL

LEVEL

gasket and cover.

INTAKE SYSTEM

of

an air cooled engine depends

of

air

over

the cooling

by

fins

times.

the cooling fins.

engines use a plastic grass screen

not

interchange-

made

to

the

must

II

OIL LEVEL

Figure

5-3.

Optional Oil Bath Air Cleaner.

5.3

SECTION 6

FUEL

SYSTEM AND GOVERNOR

FUEL SYSTEM - GASOLINE

The typical gasoline fuel ponents include the fuel tank with vented cap, shutoff valve with screen, pump

(some

models),

necting fuel line.

system

in-line

carburetor

and related

fuel filter, fuel

and intercon-

Operation

The fuel screen and shutoff valve, lines by the fuel Fuel enters the into the The

from

carburetor

fuel-air

the tank

pump

carburetor

is

moved

in-line

through the

filter and fuel

(if so equipped)

float bowl and

body

where it is mixed with air.

or

gravity.

is

moved

mixture is drawn into the combustion

com-

chamber

where it is

compressed,

then ignited by

the spark plug.

Troubleshooting

Use the following reaching the combustion

~

WARNING: Explosive Fuel!

Gasoline may be present in the carburetor and fuel system. Gasoline is extremely flammable and explode

if

ignited. Keep sparks, open flames, and other sources connect and ground the spark the possibility

procedure

to

check

that fuel is

chamber.

of

ignition away from the engine. Dis-

plug

lead to prevent

of

sparks from the ignition system.

it

can

II

Test

Check

1 .

A.

B.

C. Make sure the fuel

Check

2.

A.

B.

C. D.

3.

Check

A.

B.

4.

Check

A.

B.

for

the

following: Make sure Make sure

Disconnect the spark plug lead. Close the choke on Crank Remove the spark plug and check

Remove fuel line

Hold line below valve and observe flow.

Remove fuel line Crank engine several times and observe flow.

the

tank contains fuel.

the

fuel

for

fuel

In

the

the engine several

for

fuel

flow

from

bottom

operation

of

fuel

from

cap

vent

is

shutoff

valve

combustion

carburetor.

times.

tank

inlet fitting

of

tank. Open

pump

inlet fitting

open.

to

is

fuel

open.

chamber.

for

fuel

pump.

at

fuel pump.

shutoff

at

carburetor.

at

tip.

If

there

2.

bust ion If

there

fuel tank.

3.

If fuel

does

(Test

4).

If fuel

does

vent,

shutoff

If

the fuel tank

the tank, modify

1/32"

to

If fuel

4.

does

line

Is

unobstructed,

placed. If fuel

does

faulty. Refer

Is fuel

at

chamber.

Is

no

fuel

(Test

flow

not

valve

cap

1 I 1 6"

off

not

flow

to

Conclusi~n

tip

of

spark plug, fuel

at

tip

of

3).

from

flow

screen,

the

flow

from

the

spark plug, check

line, check

from

line, check

and fuel lines.

vent does not allow air

vent

for

proper

bottom.

from

fuel

fuel line, the

"Carburetor"

Refer

line, check

pump

Is

is

reaching

for

faulty fuel pump.

for

clogged fuel tank

to

operation by cutting

to

faulty and

carburetor

portion

escape

Figure 6-1 .

for

clogged fuel line. If

must

probably

of

this section.

fuel

be

the

from

re-

com-

the

from

Is

6.1

Cut Off

1/32"-1/16"

Operation

The mechanical fuel that rides on the engine camshaft. The transmits a pumping action to the flexible diaphragm inside the tion draws fuel in through the downward stroke of the diaphragm. upward stroke, the

outlet

check

valve. Refer

pump

is operated by a lever

lever

pump

body. The pumping

the

inlet

check

fuel is forced out through the

to

Figure

valve on

On

6-2.

ac-

the

Figure

6-1.

("New

Fuel

Look"

Tank

Only)

Cap.

FUEL TANK

Engine-mounted are

constructed vented cap. The venting properties of the cap should be cause pressure buildup result is

loosened.

the tank, stopping the engine.

Fuel

Some valve with a wire mesh screen. a shutoff valve, a straight outlet fitting is used. The wire the tank valve permits work on the fuel system without the need

checked

in

fuel spraying

Shutoff

engines are equipped with a fuel shutoff

mesh

from

for

draining the tank.

fuel tanks on K series engines

of

steel. They are fitted with a

regularly. A clogged vent can

in

the tank, which could

from

the filler when the cap

It

can also cause a partial vacuum

Valve

On

engines without

prevents relatively large particles

reaching the carburetor. The shutoff

FUEL FILTER

Some engines covered by this manual equipped with a

When

the

interior of the filter appears

it should

be

see-through

replaced.

in

line fuel filter.

may

to

be dirty,

be

FUEL PUMP

All K series engines except the

for

sions pump. gines, a pad on the crankcase.

Older fuel els have a better

mizing the

mounting a mechanically operated fuel

If

no fuel

cover

pumps

insulates the fuel

pump

is placed over the

body

made

chance

is mounted on these en-

have a metal body. Later

of plastic. The plastic body

of

vapor

from

K91

have provi-

pump

mounting

mod-

the hot engine, mini-

lock.

in

Figure

6-2.

Mechanical

Fuel

Pump.

Removal

1 . Disconnect the fuel lines

outlet fittings

2. Remove the fillister head washers, fuel

3.

If

required, remove the fittings

body.

of

the

pump

from

the inlet and

pump.

sems

and gasket.

screws, flat

from

the pump

Repair

Plastic bodied fuel must be replaced when faulty. Replacement pumps are available pump, mounting gasket and

pumps

are not serviceable and

in

kits which include the

plain washers.

Installation

1 . Fittings - Apply a small amount

Aviation Perm A Gasket (or equivalent gasoline resistant thread sealant)

in

to

pump

the

Figure

same

tings into

fittings

rection is reached.

Install new gasket, fuel

2. lock washers and Refer

six

fillister head

6-3.

to

full

turns;

direction until desired di-

pump,

of

Permatex®

fittings. Turn fit-

continue turning

flat washers,

sems

screws.

6.2

Plain Washer (2)

~

-----

~~

,:IJ..

Fillister Head Sems

L

Screws

Figure

NOTE: tioned above the pump sult if the lever

Make sure that the flat washers are installed next to the mounting flange the lock washers.

If

bodied

is discarded and the new thin gasket

3. Torque screws to

4. Connect fuel lines

Make sure that the fuel

and severe

a metal bodied

pump,

make

(2)

6-3.

Installing Fuel Pump.

camshaft.

damage

is

positioned below the camshaft.

to

pump

was replaced by a plastic

sure that the old thick gasket

37 - 45

to

inlet and outlet fittings.

\Fuel

pump

Damage to the fuel

to the engine could re-

prevent

in.llb.

CARBURETOR -GASOLINE

Pump

Mounting

lever

damage

is

used.

Flange

is

posi-

from

tor. This gives a the adjusting needles out (counterclockwise) increases the supply gives a dles midway between the lean and rich positions will usually give the best results. Adjust the carburetor as

1 . With the engine stopped, turn the low idle fuel

NOTE:

adjusting needles are tapered Damage to the needles and the seats body will result if the needles are

2.

3. Start the engine and run at half throttle

4. High Idle Fuel Needle Setting: This adjustment

Place the throttle into the ble, place the engine under load.

Turn the high idle fuel adjusting needle out (counterclockwise) engine speed of the needle.

richer

follows:

adjusting needle lightly.

The tip

Preliminary Settings: Turn the adjusting needles out (counterclockwise) according to the table shown

to ten minutes to warm up. The engine must be warm before making final settings (Steps 4,

5,

6,

and

is

required only

jet

carburetors.

jet

main

leaner

fuel-to-air

of

the low idle fuel and high idle fuel

7).

type,

from

decreases

fuel-to-air

of

fuel

to

mixture. Setting the nee-

in

(clockwise) until it

from

for

adjustable high idle (main)

If

the

carburetor

go

to

step 5.

"fast"

the preliminary setting until the

(rich}. Note the position

mixture. Turning

the carburetor. This

to

critical dimensions.

in

forced.

lightly

bottomed

in

Figure

is

a fixed

position.

bottoms

carburetor

6-4.

for

five

If

possi-

II

•

£ WARNING: Explosive Fuel!

Gasoline may

system. Gasoline is extremely flammable

explode other sources connect the possibility

Adjustment

The

carburetor fuel/air mixture conditions. Carburetors are set at the normally exhibits conditions like those found

that

follows, it carburetor.

In

general, turning the adjusting needles in (clock-

decreases

wise)

be

present in the carburetor

if

ignited. Keep sparks, open flames, and

of

ignition away from the engine. Dis-

and

ground the spark

of

sparks from the ignition system.

is designed to deliver the to

the engine under all operating

do

not need adjustment.

may

be necessary to adjust the

the supply of fuel to the carbure-

plug

and

fuel

and

it

can

lead to prevent

correct

factory

If

the engine

in

the table

and

Now turn the adjusting needle

may

engine speed as the needle of the needle.

Set the adjusting needle midway between the rich and lean settings. See Figure

5. Low Idle Speed Setting: Place the throttle control into the low idle speed to by turning the low idle speed adjusting screw

in

or out. Check the speed using a

ter.

NOTE: application. Refer to the

instructions The gines setting the low idle fuel needle, the low idle speed must not exceed

The actual low idle speed

for

recommended

is

1200 rpm. To ensure best results when

increase, then it will

is

turned

"idle"

specific low idle speed settings.

1500

in

or

1200

low idle speed

rpm.

in

(clockwise). The

decrease

(lean). Note the position

6-5.

"slow"

equipment

position. Set the

rpm*

( +

or

depends

manufacturer's

for

- 75 rpm)

tachome-

on the

Basic En-

6.3

PRELIMINARY SETTINGS - K-SERIES MODELS

KOHLER Low

K91 K141 K161* K181* K241 K301 K321 K341

6. Low Idle Fuel Needle Setting: Place the throttle into the

Turn the terclockwise) engine speed decreases (rich). Note the position of the

Now turn the adjusting needle in (clockwise). The engine speed as the of the

Set

the adjusting needle

lean settings. See Figure

and

"idle"

low idle fuel adjusting needle

from

needle.

may

needle is turned in (lean). Note the position

needle.

1-1/2 1-1/2 1-1/2 1-1/4turns 2-1/2 2-1/2 2-1/2 2-1/2

• Includes Figure

or

6-4.

"slow"

the preliminary setting until the

increase, then it will decrease

midway

ADJUST

Idle High Idle Low Idle

turns turns 3 turns turns

turns 2 turns turns 2 turns turns turns

"New

Preliminary

position.

between the rich

6-5.

Look"

ABLE

2 turns

3 turns 2 turns

3-1/4 3-1/2

Models

Low

out

(coun-

JET

turns turns

Idle And High Idle Fuel Needle

WALBRO

2. Remove the

3. Remove the

4. Further disassembly

FIXED

NOT NOT NOT 2-1/2 1-1/4 1-1/4turns 1-1/2 1 turn

baffle

ket. Remove the ing speed adjusting

choke shafts is parts are and Choke Shaft Replacement" later section.

JET

APPL. APPL. APPL.

turns turns

turns

gasket and bowl gasket.

needles and springs. Remove the idle

to

NOTE: Refer tion TP2377B Carburetor Reference Manual for additional information.

Settings.

float pin, float, fuel inlet needle,

fuel inlet seat and inlet seat gas-

idle fuel and main fuel adjust-

screw

recommended

be replaced. Refer

and spring.

to

publica-

remove the throttle and

only if these

to

"Throttle

in

this

7. Recheck the low idle speed using a ter. Readjust the speed as necessary.

Adjust Midpoint

Figure

6-5.

To

Optimum

Low

Idle Fuel

tachome-

Lean

Setting.

Disassembly

(Refer 1 . Remove the bowl retaining screw, retaining

to

screw

Figure

gasket and fuel bowl.

6-7)

Idle Speed

Screw

Figure

6-6.

Kohler-Built Carburetor.

Main Fuel

~Needle

Adjustable

Jet

6.4

Kohler K9J, KJ4J, KJ6J, KJBJ, K24J Service Manual

Specifications and Main Features

Frequently Asked Questions

User Manual