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

)

).

c

4.

When

properly

adjusted,

tighten

locknut

on

ad-

justment

bolt

securely

and

r

ep

la

ce

cover

plate.

BRAKE ADJUSTMENT

Remove

the

hood

assembly

and

proceed

as

follows:

1.

Remove

cotter

and

tighten

castellated

nut

on

brake

arm

until

the

brake

pad

ju

st

clears

the

driven

pulley

(figure

3).

Reinstall

cotter

pin.

2.

If

brake

is

too

tight,

reverse

the

procedure.

DRIVEN CLUTCH REMOVAL

AND

REPLACEMENT

1.

Remove

hood

as

sembly.

2.

Remove

clutch

guard

and

drive

belt

.

Refer

to

3.

Remove

drive

chain.

Refer

to

cedure.

4.

Remove

the

spacer

washer

between

the

sprocket

and b

earing

.

5.

Disconnect

th

e

brake

cable

by

loosening

the

screw

on

the

brake.

Remove

the

cable

and

spring.

6.

Remove

the

screws,

spacers

and

nuts

securing

the

disc-caliper

brake

components.

7.

Remove

the

driven

clutch

assembly.

The

outer

bearing

will

be

released.

8.

Remove

the

inner

bearing

and

grease

seal.

Figure

4

3

9.

Replacement

is

the

reverse

of

removal.

Pack

the

bearings

in

the

chain-adjusting

cam

with

No.2,

lithium

bearing

grease.

10.

During

reassembly,

follow

drive

-

belt

and dr

iving

chain

adjustment

procedures

.

TRACK GROUP

TRACTION-BELT

TENSION ADJUSTMENT

Traction-belt

tension

should

be

checked

regularly

. A

properly

tensioned

belt

should

have

a

1-

to

1-1/

4-inch

sag

at

the

approximate

top

center

of

the

belt

.

This

dimension

is

determined

as

follows

:

1.

Place

the

s

led

on a

cl

ean,

flat

surfa

ce

.

2.

Place

a

sufficiently

long,

s

tra

ight

bar

along

the

top

surfa

ce

and

near

the

edge

of

the

traction

belt

(see

figure

5)

.

Check

for

th

e

1-

to

1-

1/4

-

inch

sag

at

the

approximate

center

between

the

drive

and

idler

shafts.

Repeat

this

procedure

on

the

opposite

side

and

note

the

difference

in

belt

tension

.

3.

If

adjustment

is

necessary,

loosen

locknuts

(1,

figure

6)

sufficiently

to

permit

movement

of

belt

-

adjusting

angle

(2).

4.

If

measurement

exceed

s

1-1/4

inches,

turn

ad

-

justing

screw

(3)

clo

ckwise

to

tighten

belt

tension

.

If

m

eas

urement

is

less

than

1

inch,

turn

adjusting

screw

(3)

counterclockwi

se

to

relieve

tension

.

Adjust

both

sides

equally

to

maintain

proper

belt

alignment.

5.

Set

sled

on

kickstand.

WARNING

Do

not

run

Ski-Daddler

engine

in

an

en

-

closed

area

unless

properly

ventilated.

TRACTION BELT

Figure

5

6.

Start

the

engine

and

permit

the

traction

belt

to

rotate

several

turns.

Stop

the

engine

and

repeat

steps

1 and 2 to

ensure

that

proper

tension

is

maintained.

7.

Before

tightening

locknuts

(1),

check

traction-

belt

alignment

as

outlined

in

the

following

paragraph.

TRACTION-

BELT

ALIGNMENT

1.

Place

Ski-Daddler

on

the

kickstand.

WARNING

Do not

run

Ski-Daddler

engine

in

an

en-

closed

area

unless

properly

ventilated.

2.

Start

and

run

engine

until

the

clutch

engages

and

the

traction

belt

turns

SLOWLY.

3. While

the

traction

belt

is

turning

SLOWLY,

stand

to

the

rear

of

the

sled

and

note

the

position

of

the

sprocket

teeth

in

the

traction-belt

slots

and

the

clear

-

ance

between

the

traction

belt

and

the

support

arms

on

each

side

of

the

sled.

4.

If

traction

belt

is

not

centered,

loosen

locknuts

(1

,

figure

6)

securing

belt-adjusting

angle

(2)

on

each

side

of

the

sled.

Tighten

adjusting

screw

(3)

on

the

side

on

which

the

traction

belt

is

closer

to

the

support

arm

until

the

track

is

centered.

5.

Check

traction-belt

tension

as

described

in

the

and

then

tighten

locknuts

(1).

BOGIE

WHEEL

ASSEMBLY, REMOVAL

AND

RE-

PLACEMENT

MARK

23

and MARK

26

The

front

bogie-wheel

assembly

contains

five

wheels.

To

remove

the

center

bogie

wheel

proceed

as

follows

:

Figure

6

4

1.

Place

the

sled

on

the

kickstand.

2.

Remove

the

locknut

securing

the

cen

ter

ogic

wheel

on

one

side

only

and

remOve

the

whee

l.

3.

Remove

the

opposite

center

wheel

and

axle

as

a

unit

through

the

support

assembly.

CAUTION

As

the

axle

shaft

passes

through

the

cent

er

of

the

support

assembly,

the

center

bogie

wheel

will

fall

free.

Do

not

lose

the

bushings.

4.

To

remove

the

remaining

bogie

wheels,

re

move

the

locknut

securing

the

bogie

wheel

to

the

axl

e

shaft

and

then

remove

the

wheelso

5.

Reassembly

is

essentially

the

reverse

of

re-

moval.

However,

be

certain

the

wheel

bushings

are

properly

positioned

when

inserting

the

axle

shaft

through

the

support

assemblies.

MP.RK

III

1.

Place

sled

on

kickstand.

2.

Remove

locknut

securing

bogie

wheel

assembly

to

axle

shaft.

3.

Remove

bogie

wheel.

4.

Reassembly

is

the

reverse

of

removal.

BOGIE WHEELS

AND

SPRINGASSEMBLY, REMOVAL

AND

REPLACEMENT

1.

Place

sled

on

kickstand.

2.

Remove

the

bogie

wheel

assembly

by

removing

bolt

(figure

7)

and

washer

from

each

end

of

the

bogie-

wheel

support

shaft.

Figure

7

)

c

3.

Pull

out

the

bogie

-wheel

assembly.

4.

Remove

the

su

pport

shaft

which

holds

the

bogie-

wheel

support

assembly

halves

together.

5.

Pull

the

bogie-wheel

support

halves

apart

to

re-

move

the

springs.

6.

Reassembly

is

the

reverse

of

removal.

REAR

SPROCKET

ASSEMBLY, REMOVAL

AND

RE-

PLACEMENT

1.

Place

sled

on

kickstand.

2.

Relieve

traction

-

belt

tension

by

loosening

adju

s

t-

ing

screws

(3,

figure

6).

3. Unlock

the

torsion

springs

connected

to

the

support

arms.

4.

Remove

the

right-

and

left

-

hand

adjusting

angle

locknuts

(1).

5.

Remove

the

rear

sprocket

as

s

embly.

6.

Remove

the

support

arms

if

necessary

to

replac

e

bearings,

seals

and

sprockets.

7.

Remove

press-on

bearings

and

grease

seal

s .

8.

Remove

screws

and

nut

securing

sprocket

plate

and

sprocket.

9.

Reassembly

is

the

reverse

of

removal.

During

reassembly

follow

instructions

for

traction-belt

align

-

ment

and

adjustment.

DRIVE-SPROCKET

ASSEMBLY, REMOVAL AND

RE-

PLACEMENT

1.

Remove

the

hood

assembly

and

set

the

sled

on

its

right

side.

2.

Remove

the

chain-housing

cover

plate.

Figure

8

5

3.

Loosen

the

chain-adjustment

locknut

and

push

down to

slaCken

drive

chain.

4.

Remove

the

sprocket

from

the

drive

shaft;

re-

move

chain.

5.

Loosen

traction-belt

takeup

and

release

torsion

springs.

Drop

takeup

assembly

clear

of

belt.

6.

Using

a

screwdriver,

carefully

pry

the

oil

seals

(figure

8)

away

from

the

ball

bear

ings

at

each

end

of

the

drive

shaft.

7.

Remove

bearing

retainer

from

right

side

of

sled.

80 M,

we

the

drive

shaft

and

sprocket

assembly

toward

the

right

side

until

the

shaft

clears

the

bearing

retainer

on

the

chain

housing.

Remove

drive

shaft

and

s

procket

assembly.

NOTE

When

replacing

the

dri

ve-sprocket

assem-

bly, add

1-1/2

pints

of No. 2

lithium

bearing

grease

to

the

chain-case

housing

and

coat

the

sprocket

bearings

liberally

with

No.2

lithium

bearing

grease.

9.

To

replace

the

sprocket,

remove

the

ball

bearing,

oil

seal

and

oil-seal

retainer

spring.

Remove

the

screws

and

nuts

securing

the

support

plate

and

s

procke

t

to

the

drive

shaft

and

sprocket-plate

assem

-

bly;

remove

the

sprocket.

10.

Reassembly

is

the

reverse

of

removal.

Follow

instructions

for

traction-belt

tension

and

drive-chain

adjustment

and

traction-belt

alignment.

Be

sure

to

pack

chain

case

and

sprocket

bearings

with

No.2

lithium

bearing

grease.

Figure

9

GREASE

SEALS

AND

BALL

BEARINGS,

REiVIOV

AL

AND

REPLACEMENT

Follow

rear-

and

drive-sprocket

assembly

removal

and

replacement

instructions

to

remove

and

replace

seals

and

bearings.

TRACTION

BELT,

REMOVAL AND

REPLACEMENT

1.

Place

sled

on

kickstand.

2.

Rem

ove

bogie

-

wheel

assemblies

by

removing

bolts

(figure

7)

and

washers

from

each

end

of

bogie-

wheel

support

shafts.

3.

Pullout

bogie-wheel

assemblies.

4.

Relieve

traction-belt

tension

by

loosening

ad-

justing

screws

(3,

figure

6).

5.

Unlock

torsion

springs

connected

to

support

arms.

6.

Remove

right-

and

left

-

hand

adjusting-angle

locknuts

(1).

7.

Remove

rear

sprocket

assembly.

8.

Remove

hood

assembly

and

place

sled

on

right

side.

9.

Remove

chain

-hous

ing

cover

plate.

10.

Loosen

chain

-

adjustme

nt

locknut

and

push

down

on

bolt

to

slacken

drive

chain.

11.

Remove

the

sprocket

from

the

drive

shaft.

Figure

10

6

12.

Using

a

screwdriver,

carefully

pry

the

o

il

seals

(figure

8)

away

from

the

ball

bearings

at

each

end

of

the

dr

iv

e

shaft.

13. Move

the

drive

shaft

and

sprocket

assembly

toward

the

right

side

of

the

sled

until

the

shaft

clears

the

bearing

and

plate

as

s

embly

in

the

chain

case

(figure

9).

14.

Remove

the

drive

shaf

t

and

sprocket

assembly.

15.

Remove

the

traction

belt.

16.

Replacement

is

essentially

the

reverse

of

re

-

moval.

Coat

the

spr

ocket

bearings

and

pack

the

chain-

case

housing

with

1-

1/2

pints

of

No. 2

lithium

bearing

grease.

Align

the

traction

belt

and

adjust

traction

belt

and

drive

chain

tension.

CARBURETOR

ADJUSTMENTS

CAUTION

Do

not

force

mixture

screws

into

seats.

Damage

to

the

seat

may

occur

and

impair

carburetor

performance.

1.

Place

sled

on

kickstand.

WARNING

Do

not

operate

the

engine

in

a

closed

area

unless

it

is

adequately

ventilated.

2.

Start

engine

and

permit

to

warm

up.

HIGH- AND

LOW-SPEED

ADJUSTMENTS

Mark

23

(Tillotson

HR24A

Carburetor)

1.

Turn

the

high

-

and

low-speed

mixture

screws

into

the

seats

(figure

10). DO NOT

FORCE

SCREWS

INTO SEATS.

Figure

11

c

2. Open

the

high-speed

mixture

s

crew

from

1-

1/16

to

1- 3/ 16

turns.

3.

Open

the

low

-

speed

mixture

screw

from

3/4

to

7/8

turns.

NOTE

Carburetor

settings

should

never

deviate

from

those

specified

unless

warranted

by

high

-

altitude

conditions.

Mark

26

(Tillotson

HR42A

Carburetor)

1.

Turn

the

high-

and

low-speed

mixture

screws

into

the

seats

(figure

10). DO NOT

FORCE

SCREWS

INTO SEATS.

2.

Open

the

high

-

speed

mixture

screw

1-

5/8

to

1-7/8

turns.

3.

Open

the

low-speed

mixture

screw

3/4

to

7/8

turn.

NOTE

Carburetor

settings

should

never

deviate

from

those

specified

unle

ss

warranted

by

high

-

altitude

conditions.

Mark

III

(Tillotson

HD15A

Carburetor)

1.

Turn

the

high-

and

low

-

speed

mixture

screws

into

the

seats

(figure

11). DO NOT

FORCE

SCREWS INTO

SEATS.

2.

Open

the

high

-

speed

mixture

screw

1-

1/8

to

1-

1/4

turns.

3. Open

the

low

-

speed

mixture

screw

3/4

to

7/8

turn.

NOTE

Carburetor

settings

should

never

deviate

from

those

specified

unless

warranted

by

high-altitude

conditions.

IDLE-SPEED

ADJUSTMENT

1. With

the

engine

not

running,

turn

the

idle

screw

(figure

12)

until

it

contacts

the

throttle

arm

.

Turn

the

screw

one

additional

turn

.

2.

Place

sled

on

kickstand.

WARNING

Do

not

operate

the

engine

in

a

closed

area

unless

it

is

adequately

ventilated.

7

3.

Start

the

engine

and

set

the

idle

speed

at

1400

to

1700

RPM

by

adjusting

the

idle

screw.

ELECTRICAL

SYSTEM

MARK 23

Figure

13

shows

the

electrical

circuitry

for

the

Mark

23

Ski-

Daddler.

MARK

26

Figure

14

shows

the

electrical

circuitry

for

the

Ma.rk

26

Ski-

Daddler.

MARK III (5815-1100A)

Figure

15

shows

the

electrical

circuitry

for

the

Mark

III, Model 5815-1100A

Ski-Dadd1er.

MARK III (5815-2000A)

Figure

16

shows

the

electrical

circuitry

for

the

Ma.rk

III, Model

5815-2000A

Ski-Daddler.

HEAD

LAMP

ASSEMBLIES

Mark

23

and

Mark

III, Model

5815-1100A

When

replacing

the

headlamp,

use

a

12-volt,

18-watt

,

GE No. 4414

bulb

or

equivalent.

Mark

26

and

Mark

III,

Me

lde1

5815-2000A

When

replacing

the

headlamp,

use

a

12-volt,

60-watt,

GE No. 4466

bulb

or

equivalent.

Figure

12

KOHLER

K

399

-

T2

ENGINE

BLUE

BLUE I I

)

I

FUSE

MOLl5

BROWN

, : ;-J

TAILLIGHTC]~~(s

(S

DE

NO.

67

~

$g

~ ~

IGNITION

SWITCH

~

FRAME C -

EN~NE

LIGHTS -

t:

J

OFF

ON

~

BLUE

WHITE

OFF

50

530 R N (

ORAN

BLACK

Figure

13

KOHLER

K3

99-

T2

ENGINE

BLUE

I I

)I

I

, : ;-J

FUSE

MOLl5

BROWN

TAILLIGHTC]Z

Ij!

¥ ¥ RED

NO.

67

~ ~

a

~

ra

D

ffiC,!)~ffiffi

-

IGNITION

SWITCH

~

FRAME r _

,ENGINE

I

~

LIGHTS

ON

BLUE

WHITE

R

EN

ORANGE

BLACK

A K

~

Figure

14

8

;r;BATTERY

CHARGE

UNIT

18

WATT

GE

4414

BATTERY

CHARGE

UNIT

RED

BATTERY

ENGINE

BATTERY

~

ENGINE

WHITE

~

HEADLIGHT

60

WATT

GE4466

)

c

CABLE

ASSEMBLY

BLACK BLACK

YELLOW

BA

TTERY

+ FUSE

B~;;:

~YELLOW

CHARGE ASSEMBLY 1

ENGINE

BLACK

YELLOW

TAILLIGHT

RED

TAILLIGHT

BLUE

WHITE

Figure

15

BL

ACK

~

RED

~

YELLOW

(~l

-

-1

-, *

ENGIN

E

'-

- -

--)

w

=>

..J

m

;e

o

'"

..J

U

..J «

w

..J

>-

m

Figure

16

9

RED

WHITE

SOLENOID

ASSEMBLY

12

VOLT

BATTERY

,O

FF

I---

LITE

1- ON

L-

START

1 (MOM CONTACTI

1

~

1 •

•

1

HARNESS

1

HEAOLIGHT

1

J~

• S

.--0

IGNITIO

N SWITCH

(8

WATT,

GE

-

4414

r

OFF

1- LITE

1-

ON

J-

START

(MOM.

CONTACT)

I

~

I.

•

I

J~

• S

~

IGNITION

SWI

TCH

HEAD

LIGH

T

AILLAMP

ASSEMBLIES

When

replacing

taillamps,

use

a

12-volt,

6-watt,

GE

No. 67 bulb

or

equivalent.

FUEL MIXTURE

The

correct

gasoline

-

to-oil

ratio

is

20:

1 (20

parts

regular

gasoline

to 1

part

SAE

30-

or

40-weight

oil.

If

using

AMF

oil,

use

32

parts

regular

gasoline

to

1

part

oil

for

the

first

25

hours

of

operation

and 40

parts

regular

gasoline

to

1

part

oil

thereafter.

For

severe

service

conditions,

always

use

the

32-to-1

mixture.

CAUTION

Gasoline

and

oil

should

be

mixed

at

tem-

peratures

above

freezing.

Below

freezing

gas

and

oil

mix

with

difficulty.

Mix with

care

or

engine

damage

may

result.

Use

a

good

grade

of

SAE

30-

or

40-weight,

non-

detergent.

oil,

AMF

oil

or

a good

grade

of

two-cycle

engine

oil.

Do not

use

light-duty

or

multivisocosity

oils.

Use

a good

grade

of

regular

gasoline;

do

not

use

gas

left

over

from

summer

uses.

OILS AND ADDITIVES

Fuels

containing

additives

are

not

recommended

for

Ski-Daddler

engines.

A

small

amount

of DRI-GAS

or

equivalent

may

be

added

to

the

fuel

mixture

if

moisture

in

the

system

is

evident.

CAUTION

Some

outboard

motor

oils

contain

deter-

gents

that

work

well

in

low-temperature,

water-cooled

outboard

engines.

These

detergents

may

cause

spark

plug

fouling

in

air-cooled

engines.

LUBRICATION

Refer

to

the

lubrication

chart

for

periodic

lubrication

requirements.

LUBRICATION CHART

PART

LOCATION

TYPE

OF

LUBRICANT FREQUENCY

Steering

spindles

Zerk

fitting

on

spindle

Low-temperature

grease

50

hours

Drive

chain

Chain-case

housing

No.2

lithium

bearing

grease

40

hours

Sprocket

bearings

Front

and

rear

sprockets

No.2

lithium

bearing

grease

40

hours

Bogie

wheels

Zerk

fitting

in

center

of

Low-temperature

grease

25

hours

bogie

wheel

Driven

clutch

Clutch

bearing

No.2

lithium

bearing

grease

Yearly*

Steering

End

of

steering

column

Light

engine

oil

50

hours

*Pack

driven

clutch

bearings

each

winter

prior

to

initial

startup

or

in

the

spring

when

preparing

sled

for

summer

storage.

ILLUSTRATED PARTS LIST

The

follOwing

parts

list

is

provided

to

facilitate

the

procurement

of

spare

parts

and

sled

disassembly.

This

list

covers

four

Ski-Daddler

models:

the

SD18E24A

(Mark

23), SDl8E25A

(Mark

26),

and

the

Mark

III,

Models 5815-1100A and -2000A.

Where

parts

are

com-

mon to

all

four

sleds,

no

model

number

designation

follows

the

part

description.

Where

parts

apply

to

specific

sleds,

the

applicable

deSignation

will

follow.

10

)

c

Figure

1

..

- -

----r-

----,.--

----

- -

----

-

------

---

-----

-

---

"-T""-

----,

}

;igurc

~

Index

j

0JUll1

bel'

1

-1

-2

3

-4

-5

-6

-7

-8

-9

-

10

-

11

-12

-13

-14

-15

-16

-

17

-18

-

19

-20

-

21

-22

-23

-24

-25

-26

-27

-28

-

20

-30

-31

-32

-33

-

34

-35

-36

-37

-38

-39

-40

-

41

Part

No

.

33358

33357

34128

34129

30250

125680

9000556

31157

38403

34559

38404

33386

33402

33403

32253

30272

30285

34270

132911

33579

-2

34570

30268

34569

34573

33033

33644

24180

33646

34154

34152

30229

30270

30489

34105

334~0

34006

34564

33788

33763

32986

32987

33852

33579-3

33853

33038

33787

33786

32537

27522

9413447

446363

126358

123316

446188

33579

- 3

Description

123

4 5 6 7

WINDSHIELD

(Used

on

Mark

23

and

26)

....

. .

......

..

.

....

. . .

WINDSHIELD

(Used

on

Mark

III) . .

..

.

..

...

. .

..

. . .

..

. .

..

. "

..

.

..

.

TRIM

STRIP,

Windsh

i

eld

RH

(Used

on

Mark

23

and

26) .

..

.

..

. . .

..

.

TRIM

STRIP,

Windshield

LH

(Used

on

Mark

23

and

26)

.....

.

...

.

..

.

TRIM

STRIP,

Windshield

(Used

on

Mark

III) .

..

.

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

. .

..

.

..

.

SCREW,

Truss

HD, 1/ 4-20

by

5/ 8

(Used

on

Mark

23

and

2

6)

.

...

,

..

.

SCREW,

Truss

HD,

1/4-20

by

5/ 8

(Used

on

Mark

III) . . .

...

....

...

..

.

NUT,

Jack,

1/4-20

(Used

on

Mark

23

and

26)

...

. .

...

.

..

...

.

...

. . . .

RNNUT,

1/4

-20

(Used

on

Mark

III)

...

. .

..

. . .

...

.

...

.. ..

.

..

.

..

.

..

. .

HOOD AND

HEADLIGHT

ASSEMBLY

(Used

on

Mark

23

and

26) . . .

...

. .

HOOD AND

HEADLIGHT

ASSEMBLY

(Used

on

Ma

r k III) .

..

....

. .

..

.

FRONT

SHROUD

(Used

on

Mar

k 23 and 2

6)

...

.

...

.

..

.

..

.....

.

FRO

NT SHROUD

(Used

on

Mark

III)

....

.......

.

..

. .

......

.

LID,

Glove

box

(Used

on

Mark

23

and

2

6)

. .

...

....

..

.

......

.

...

. . .

LID,

Glove

box

(Used

on

Mar

k III)

...

.

...

..

.....

.

.......

.

....

..

. . .

LA

TC

H

CLIP,

Glove

box

lid

....

..

....

. . . .

..

...

.

..

........

.

..

.. ..

.

HINGE,

Glove

box

lid

"

..

. ,

.. ..

.

....

.

......

'"

...

..

...

.

..

.

.....

. .

PLAT

E,

Glove

box

iid

....

. .

...

..

.

..

.

..

.

.....

...

.

..

.....

.

.....

"

POP

RNET

(Used

on

Mark

23

and

26) .

....

.

..

.

..

....

.

..

...

.

POP

RNET

(Used

on

Ma

r k III)

..

. .

..

...

•..

..•..

.

....

.

.•..

.

..

. . . .

SCR

EW,

RD

HD,

10

-32 by 5

/8

. .

..•..

..

...

. .

..

...

..

...

....

. .

..

LOCKNUT,

10

-32

..

...

......

. .

.......

..

. . .

..

.

..

. .

...

..

.

....

.

GAS

CAP

AND

INDICATOR

ASSEMBLY

(U

s

ed

on

Mark

III) ...

...

. .

..

. .

GAS

CAP

(Part

of

34570) .

..

...

. .

..

....

..

.....

..

.

.....

.

...

.

..

. .

CHAIN,

Gas

cap

(Pa

r t

of

34570)

...

..........

.

.....

.

..

...

. " . . .

..

.

INDICATOR,

Fuel

level

(Pa

r t

of

34570) .

......

. .

...

..

.....

.. ..

.

...

.

GROMMET,

Hood

(Used

on

Ma

r k III)

..

. .

..

.

.....

.

..

.

...

.....

. . .

FUEL

INLET

TUBE

ASSEMBLY

(Used

on

Mark

III) . .

..

. .

...

.

..

...

,

HOSE

CLAMP

(Used

on

Mar

k III)

.....

. . . .

.......

.....

..

. .

..

.

....

. .

CONNECTOR,

Fuel

inlet

tube

(Used

on

Mark

III) .

..•.

.

..

. .

..

. .

....

GA

S

KET,

Gas

tank

outlet

(Used

on

Ma

r k III)

...

.

...

....

..

....

.

.....

.

GAS

OUTLET,

Gas

tank

(Used

on

Mark

III)

..

...

..

....

. .

.....

. .

GAS

LINE,

Tank

to

carbu

r

etor

(Used

on

Mark

III) .

...

..

. . . " .

..

"

..

. .

GAS

LINE,

Gas

tank

(Used

on

Mark

III)

....

..

...

..

...

. . .

.. ..

. .

..

. . .

CLAMP

(Used

on

Ma

r k III)

•.

..

....

. . . .

..

....

......

...

........

.

FILTER,

Fuel

tank

(Used

on

Mark

III) . .

....

. . .

..

......

.

.......

.

MAIN

FRAME

ASSEMBLY

(Used

on

Mark

23

and

26)

...

..

.....

..

.

MAIN

FRAME

ASSEMBLY

(Used

on

Mark

III,

5815-1100A)

.

..

.

...

.

..

. .

MAIN

FRAME

ASSEMBLY

(Used

on

Mark

III, 5815-2000A)

.....

. . . . . . .

BUMPER,

Rubber

(Used

on

Mark

23

and

26)

..

.

...

.

...

.....

..

.

..

o

•••

BUMPER,

Rubber

(Used

on

Mark

III)

...

..

.

....

.....

.

...

.

....

. .

....

. .

TRIM,

End

cap

RH . .

..

. .

..

. .

..

. .

..

.

.......

.

.......

.

......

..

...

. . . .

TRIM,

End

cap

LH .

..

.

..

...

..

. . .

....

..

. . . . . .

....

.

.......

..

.

..

. . .

SCREW,

Phillips

HD, 1/ 4- 28

by

2 .

...

..

.

..

. . , . .

..

. .

..

. .

....

. . .

..

.

LOCKNUT,

1/

4-28

......

.......

.

..

....

.

....

.

..

.

.....

.

...

.....

...

. .

SPACER,

End

cap

.

..

.

..

...

..

.

..

. .

..

.

....

.

...

.

....

.

..

...

.

..

. .

SPACER

..

.

.....

.

..

.

......

.

...

..

.

..

. . .

..

...

. . .

...

. .

..

...

..

.

....

.

BUMPER

(Used

on

Mark

23

and

2

6)

0

••

•••

••

•

•••

• •

•••

•• ••

•

•••••

BUMPER

(Used

on

Mark

III)

.....

..

. .

...

.

..

.

...

. . .

........

...

......

.

SUPPORT

. .

..

. .

.......

..

. .

....

. .

.......

..

. . . . .

..

.

..

.

..

. . . .

..

. . .

BOLT,

Curved

HD,

5/16

-

18

by

5

/8

.

.......

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

..

. . . . . .

NUT,

5/

16

-

18

..

........

. .

...

.

..

...

.....

..

. .

...

.

....

. .

...

....

.

..

. .

WASHER,

5/

16

.

..

.

..

.

..

...

.

..

...

..

. .

...

.

....

.

.....

...

.....

..

. .

BOLT

,

HexHD,

5/

16

-18

by

1 .

......

...

.

...

.

..

.

..

.

....

.

...

.

SCREW,

Hex

HD,

1/4

-2

8 by 1/ 2

(Used

on

Mark

23

and

26) .

....

.

..

...

.

SCREW,

Hex

HD, 1/ 4-28

by

1/ 2

(Used

on

Mark

III) .

...

.

..

0 " , • •

•••

\VASHER, 1/ 4

..

. . . . . 0 • • • • •

•• ••

•••••••

••••

•••••

• • • •

•• ••

••

• ,

•••••

••

LOCKNUT

, 1/ 4-28

(Used

on

Mark

III) .

...

..

...

.

..

. .

.....

. . . . . .

11

Qty

1

a

8

9

8

1

2

3

10

12

1

2

1

2

1

3

2

1

......

N

62

63

61

64

65

~

\ , / /

66

\,

- W

~'(

51

61

68

6910

\-\

\~

-

61

82

2

~

\ 8

15

17

81

<

~

d

I

j.",)

/

80

"tJ

'¥

/

19

51

,

oo~~

;:r

t

j,F

=5/,=5=

5:

=

53

~J

G8~

~

~"

~5J

n

~58

~-60

~-59

MARK

23

AND

26

----

....

45

41

48

Ym

~~6l-Y

2~

J

Fi

g

ure

1

2 3

12

~

4

13

1

----e

.".

"'-

• •

14

.,.,<>0

15"

"

43

"'lJ

~

44

dJ.

U~l1

L

86

I

~!

35

r

~

33

18~'

(

~

4039

/

tVJ~~)

-

(J

(f--21

41

r-,

~

19

34

(;1' .

04

~

36

@.

\

2~

--

20

~

"

38

cS<.

i

22

36

37

85

r:::::

24

m--

28

::=

-

~-

~

90

89

88

81

o

3

0

//

~

32

/

~

31

?

2129

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AMF MARK 23 (SD18E24A) Quick start guide

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