Amf Mark 23 (sd18e24a) Quick start guide

c

PARTS

AND

SERVICE

MANUAL

SKI-DADDLER MODELS

MARK

23

(SD18E24A)

MARK

26

(SD18E25A)

MARK

III

(5815-1100A)

MARK

III

(5815-2000A)

SKI

-DADDLER

SNOWMOBILES

AMERICAN

MACHINE

&

FOUNDRY

COMPANY

CONSUMER

PRODUCTS

SALES

DIVISION

PARTS

&

SERVICE

DEPARTMENT

Whiteford

Road,

York,

Pennsylvania

17402

•

Area

Code

717

848-1177

PART

NO.

3778

·2

c

"C

GUARANTEE CERTIFICATE

AMF

SKI-DADDLER SNOWMOBILE

AMF

guarantees

that

it

will

, free

of

charge for parts

or

factory labor, repair

or

replace,

in

its

sole

discretion,

any

part

of

the

snowmobile

which

it

finds

upon

examination

and

to

its

satisfaction

to

be

defecti

ve

in

workmanship

or

materials,

provided

:

a.

the

part

alleged

to

be

defective

is discovered and

reported

in

writing

to

AMF's

nearest

author-

ized

distributor

or

dealer

(1)

within

a period

of

thirty

(30)

days

from

the

date

of

its

original retail

purchase

in

the

case

of

a

snowmobile

put

into

a

business

or

commercial

(including

without

limita

-

tion, lease

or

rental)

use and

(2)

within

a period

of

ninety

(90)

days

from

the

date

of

its

original

retail purchase

in

the

case

of

a

snowmobile

not

put

into

any

business

or

commercial

use;

b.

the

part

alleged

to

be

defective

is

returned,

freight

prepaid,

to

AMF's

nearest

authorized

dis-

tributor

or

dealer

within

a period

of

thirty

(30)

days

from

the

date

of

the

defect's

discovery, a

report

thereof

having

been

made;

and

c.

this

undertaking

shall

not

apply

to

any

snowmobile

after

it

has

been

sold

by

the

original retail

purchaser.

Damage

or

deterioration

resulting

from

misuse,

neglect,

accident,

transit,

handling

by

any

com

-

mon

carrier,

alterations

or

unauthorized

repairs

shall

in

no

event

be

deemed

to

be a

defect

in

mate-

rial

or

workmanship.

This

guarantee

does

not

apply

to

engines,

engine

parts,

batteries

or

other

components

or

accesso-

ries

not

manufactured

by

AMF:

EXCEPT

AS

SPECIFICALLY

SET

FORTH

IN

THE

FOREGOING

UNDERTAKING,

AMF

SHALL

NOT,

IN

ANY

EVENT,

BE

LIABLE

FOR

ANY

COSTS,

COV

ER,

LOSSES

OR

DAMAGES,

WHETHER

SPECIAL,

INCIDENTAL,

CONSEQUENTIAL

OR

OTHERWISE,

IN

ANY

WAY

ANY

SNOWMOBILE

OR

ITS

SALE.

NO

WARRANTY,

EXPRESS,

IMPLIED

OR

STATUTORY,

AS

TO

MERCHANTABIL

-

ITY,

FITNESS

FOR

A

PARTICULAR

PURPOSE,

DESCRIPTION,

QUALITY

OR

ANY

OTHER

MATTER

IS

GIVEN

IN

CONNECTION

WITH

ANY

SNOWMOBILE

OR

ITS

SALE.

NO

AGENT,

EMPLOYEE

OR

OTHER

PERSON

HAS

ANY

AUTHORITY

TO

VARY

ANY

OF

THE

PROVISIONS

OF

THIS

GUARANTEE

CERTIFICATE.

IMPORTANT:

Please

return

the

Purchaser

Guarantee

Registration

card

immediately

in

order

to

register

your

standing

as

the

original purchaser.

IMPORTANT

WHILE

THE

GUARANTEE

COVERS

DEFECTS

IN

MATERIAL

AND

WORKMANSHIP, CERTAIN

MAINTENANCE

ITEMS

AS

LISTED

BELOW

ARE

CONSIDERED

NORMAL OPERATING

EXPENSE

ITEMS

AND

ARE

NOT

COVERED

UNDER

THE

GUARANTEE.

1.

Engine tune-up, cleaning

or

replacement of

spark

plugs.

2. Ski Alignment.

3. Brake,

variable

sp

eed,

or traction belt adjustment,

or

variable

speed

belt replacement.

4. Brake lining

or

sk

i

wear

rod replacement.

5.

Paint,

body

dents,

damaged

fibergla

ss

,

and

chrome or trim

damage

due

to use.

6. Engine

damage

due to lack of sufficient

oil

in

fuel

mixture, incorrect

oil

, too le

an

carburetor

adjust-

ment,

or

clutch or traction belt

damage

due

to

running

engine

at

high

RPM

on

kick

s

tand,

or

with

variable

speed

belt removed.

7. Broken windshields.

8. Any modifications other

than

factory recommen-

dations.

9. Traction b

el

t failure

due

to misalignment or

abuse.

10.

Use

of sled for competition racing wi

llI

void the

guarant

ee

.

NOTE:

SAVE

THE

SKI-DADDLER

INSPECTION

RECORD,

FORM

NO.

4477QA

ATTACHED

TO

THE

SNOWMOBILE

STEERING

COLUMN.

THIS

INSPECTION TAG IDENTIFIES YOUR

SLED

BY

MODEL

AND

SERIAL

NUMBER

AND

SHOULD

BE

SHOWN

TO

YOUR

DEALER

WHEN

MAKING

ANY

CLAIM UNDER

THE

AMF GUARANTEE.

c

GUARANTEE

FLAT-RATE

LABOR SCHEDULE

Models

MARK

23,

[SD18E24A)

MARK

26,

[SD18E25A)

MARK

III,

(5815-11

OOA,

-2000A)

I.

Remove

and

replace

chain

case

assembly

1-1/2

Hours

2.

Remove

and

replace

chain

case

cover

or

gasket

1/ 4

Hour

3.

Remove

and

replace

chain

and

adjust

tension

1/ 2

Hour

4.

Remove

and

repla

'

ce

driven

clutch

or

chain

case

bearings

1

Hour

5.

Remove

and

replace

driving

clutch

1/ 2

Hour

6.

Remove

and

replace

engine

mount

and

/

or

strap

1

Hour

7.

Remove

and

replace

drive

sprockets,

drive

shaft

or

bearings

2

Hours

8.

Remove

and

replace

traction

belt

(spliced)

and

adjust

1

Hour

C 9.

Remove

and

replace

traction

belt

(endless)

and

adjust

3

Hours

10.

Remove

and

replace

rear

idler

shaft

assembly

or

bearings

1

Hour

II.

Remove

and

replace

rear

support

arms

(2)

1

Hour

12.

Remove

and

replace

throttle

cable

1/ 4

Hour

13.

Remove

and

replace

brake

cable

1/ 4

Hour

14.

Remove

and

replace

bogie

support

half

(lor

both) 1/ 2

Hour

15.

Remove

and

replace

bogie

wheel

1/ 4

Hour

16.

Remove

and

replace

steering

spindle

1/ 2

Hour

17.

Remove

and

replace

spindle

arm

1/ 4

Hour

c

TABLE

OF

CONTENTS

Section

INTRODUCTION

CHASSIS

Hood

Assembly,

Removal

and

Replacement

......

..

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

.

Hood

Assembly,

Repair

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

.

Steering

..

.

...........•...•...

...

.............•..........................

POWER

TRAIN

Drive

-

Belt

Tension

.......•..•

.

..•....•...••.......•••.......•..

...

•........

Drive

Belt,

Removal

and

Replacement

................•.......•...............

Drive-Belt

Alignment

.....•..............................................

Drive

Chain,

Removal

and

Replacement

....

,

...........

....

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

.

Drive

-

Chain

Adjustment

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

.

Brake

Adjustment

..............••..

.

.....•.......

.

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

Driven

Clutch,

Removal

and

Replacement

•....••.........•......•......•.•...

TRACK

GROUP

Traction-Belt

Tension

Adjustment

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

.

Traction

-

Belt

Alignment

....•..........................................•....

Bogie

Wheel

Assembly,

Removal

and

Replacement

......•....•................

Mark

23

and

Mark

26

...••....••.....•.....••.............•..............

Mark

III

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

...........

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

.

...

.

Bogie

Wheels

and

Spring

Assembly,

Removal

and

Replacement

.•..............

Rear

Sprocket

Assembly,

Removal

and

Replacement

.....

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

.

Drive

-

Sprocket

Assembly,

Removal

and

Replacement

...•......

0

•••••••••••••

Traction

Belt,

Removal

and

Replacement

....•...............................

CARBURETOR

ADJUSTMENTS

Hig

h-

and

Low-Speed

Adjustments

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

.

Mark

23

(Tillotson

HR24A

Carburetor)

. ,

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

...

"

Mark

26

(Tillotson

HR42A

Carburetor)

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

"

...........

.

Mark

III

(Tillotson

HD15A

Carburetor)

......

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

...

........

.

Idle

-

Speed

Adjustment

.....................................•..............

ELECTRICAL

SYSTEM

Mark

23

..............••............................................

Mark

26

....•.........•..............................•......

0

•••••••

Mark

III (Model 5815-1100A)

.......................•.........•.......•......

Mark

III (Model 5815

-2

000A)

•............................................

.

..

Headlamp

Assemblies

......••................•............•

0 • 0

•••••••••••

Mark

23

and

Mark

III (Model

5815-1!00A)

.........

0

••••••

o

•••••••••••••••

Mark

26

and

Mark

III (Model 5815-2000A)

.......•.•......

0

•••••••••••••••

Taillamp

Assemblies

........

0

••••••••

0

••••••••••••

0

•••••••••••••••••••••••••

FUEL

MIXTURE

Oils

and

Additives

LUBRICATION

ILLUSTRATED

PARTS

LIST

Page

No.

1

2

3

4

5

6

7

10

)

c

INTRODUCTION

This

maintenance

manual

contains

service

instructions

for

Ski-

Daddler

Models

SD18E24A (Ma

rk

23),

SDl8E-

25A

(Mark

26)

and

Mar

k III,

Models

5815-1100A

and

-2000A

.

Where

differences

exi

st

between

the

four

models,

each

variation

will

be

co

v

ered

separately

and

so

noted.

CHASSIS

HOOD ASSEMBLY, REMOVAL AND

REPLACEMENT

1.

Disc

onnec

t

ignition

wiring

at

connecting

plug

below

dashboa

rd

.

2.

Release

left-

and

right

-

hand

holddown

straps

securing

hood

assembly

to

main

frame.

3.

Release

front

-

hood

relea

se

knob

(figure

1)

and

carefully

lift

hood

assembly

clear.

4.

Replacement

is

the

reverse

of

removal.

HOOD ASSEMBLY,

REPAIR

Fi

ber

-

glass

repair

material

can

be

purchased

locally

from

any

auto-

or

marine-supply

store.

Follow

direc

-

tions

on

kit

carefully

when

making

repairs.

STEERING

The

skis

should

be

parallel

to

one

another

and

the

sled

when

the

steering

handle

is

in

the

straight

-

aheadposi-

tion.

The

inside

edges

ofthe

front

and

rear

of

the

skis

should

be

eqUidistant.

If

the

skis

or

steering

mecha

-

nism

are

not

properly

aligned,

adjust

as

follows

:

Figure

1

1.

Place

steering

handle

in

strai

ght

-

ahead

position.

2.

Remove

hood

assembly.

3.

Remove

screw

(figure

2),

three

spacer

bu

shings

and

bottom

spacer

securing

the

drag

link

and

tie

rod

to

the

spindle

arm

.

4.

Loosen

jam

nuts

securi

ng

rod-

end

bearings

to

the

drag

link

and

tie-rod

asse

mblies.

NOTE

If

both

skis

require

adjustment,

repeat

above

procedure

to

loosen

the

tie

rod

on

the

opposite

ski.

5. Move

ski

into

proper

position

and

check

the

mea-

suri

ng pOints

to

ensure

that

the

skiS

are

parallel

to

each

other.

6. With

the

skis

properly

aligned

and

the

steering

handle

in

the

straight-ahead

position,

rotate

the

rod-

end

bearings

as

required

to

bring

the

bear

ings

in

line

with

the

holes

in

the

spindle

arm.

7.

Se(;ure

the

drag

-li

nk

and

tie

-

rod

assembly

rod-

end

bearings

to

the

spin

dle

arm.

Check

for

proper

alignment

and

tighten

jam

nuts

to

secure

rod-end

bearings.

NOTE

If

the

preceding

procedure

fails

to

align

the

skis,

it

will

be

necessary

to

adjust

the

spindle

assembly

as

follows:

8.

Remove

locknut,

washers

and

screw

securing

spindle-tube

assembly

to

spindle

arm.

g,

Lift

spindle

arm

clear

of

spindle-tube

assembly

and

rotate

the

ski

and

spindle

tube

as

required

for

proper

alignment.

ReplaCe

and

secure

spindle

arm.

Figure

2

10.

Recheck

alignment

and

replace

hood

assembly.

POWER TRAIN

DRIVE-BELT

TENSION

1.

Loosen

three

bolts

marked

A

(figure

3)

and

the

two

nuts

securing

the

lower

chain

housing

to

the

main

frame.

DO

NOT

loosen

bolts

marked

B.

2.

Loosen

locknut

C and

turn

adjusting

bolt

D

clock-

wise

to

tighten

the

drive

belt.

To

loosen

the

belt,

turn

bolt

D

counterclockwise

and

move

the

chain

case

to

the

rear.

Turn

in

the

adjusting

bolt

and

secure

with

the

locknut.

3. When

proper

belt

tension

is

achieved,

tighten

all

nuts

and

bolt

s

including

the

two

lower

nuts.

NOTE:

Proper

t

ension

for

a NEW

belt

is

obtained

when

clutch

centers

are

spaced

10-3/4

inches

apart

(figure

3A)

.

Proper

tension

for

a

used

belt

is

obtained

when

the

opposite

sides

of

the

belt

can

be

squeezed

together

to

within

2-3/4

to

3-1/4

inches

of

each

other

at

the

drive

clutch

(see

figure

3).

DRIVE

BELT

REMOVAL AND

REPLACEMENT

Remove

the

hood.

Relieve

belt

tension

by

following

step

1

of

the

preceding

procedure.

Remove

the

belt

guard

and

the

drive

belt

from

the

driven-clutch

sheave.

Remove

the

other

end

from

the

drive

clutch

sheave.

Install

the

replacement

belt

in

reverse

order.

Mter

replacement,

check

drive-belt

tension

as

outlined

in

steps

2 and 3

of

the

DRIVE-BELT

ALIGNMENT

1.

Remove

the

clutch

guard.

2.

Loosen

the

four

bolts

securing

the

engine

to

the

engine

mount

(figure

3A).

Figure

3

2

3.

Place

a

straightedge

on

the

fixed

face

of

the

drive

clutch

and

move

the

engine

until

the

offset

between

the

straightedge

and

the

front

and

rear

edges

of

the

driven

clutch

is

1/4

inch.

4.

Tighten

engine

holddown

nuts

and

check

alignment.

Rotate

driven

clutch

90

degrees

and

repeat

procedure

if

necessary.

DRIVE CHAIN REMOVAL AND

REPLACEMENT

1.

Remove

hood

assembly.

2.

Remove

chain

-

housing

cover

plate

(see

figure

4).

3.

Loosen

chain

adjustment

bolt

and

push

down

to

slacken

drive

chain.

Remove

the

cotter

pin,

nut

and

washer.

4.

Remove

chain

and

sprocket.

5.

Chain

replacement

is

the

reverse

of

removal

.

Before

assembling

chain-housing

cover

plate,

pack

chain

housing

with

1-1/2

pints

of

No.2,

lithium

bearing

grease.

Adjust

drive

chain

as

outlined

in

following

procedure.

DRIVE-CHAIN ADJUSTMENT

1.

Remove

chain-housing

cove

r

plate

(figure

4).

2.

Check

drive

chain

for

slack.

Aproperlyadjusted

chain

should

have

1/8-

to

1/

4-

inch

slack.

3.

If

chain

slack

is

greater

than

1/4

inch

or

less

than

1/8

inch,

loosen

the

locknut

under

the

chain-

adjustment

bolt.

Push

the

bolt

up

to

tighten

the

chain

or

down

to

loosen

the

chain.

NOTE

The

drive-clutch

cam

contains

3

threaded

holes

for

the

;tdjustment

bolt.

If

necessary,

relocate

the

bolt

to

obtain

proper

chain

tension.

DRIVEN

CLUTCH

ENGINE

H

OLOOOW

N NUTS

•

'oRlVE

CLUTCH

~

L-VIEWG

V1EWO

Figure

3A

)

).

AMF MARK 23 (SD18E24A) Quick start guide

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