Troy-Bilt Horse Tiller Technical Manual - Page 36

PTO

HORSE

MODEL

TECHNICAL

MANUAL

Page

7-3

4/90

SECTION

7:

Special

Repairs

and

Procedures

13

X43

I

2

Figure

7-2:

11

10

Wheel

Shaft

Assembly.

12

14

16

/

15

3.

From

the

left

side

of

the

wheel

shaft,

remove

the

oil

seal

(1),

the

(external)

snap

ring

(2),

and

the

shim(s)

(3).

See

Section

5

in

this

manual

for

more

details.

4.

From

the

right

side

of

the

wheel

shaft,

remove

the

oil

seal

(1).

5.

Insert

a

screwdriver

in

the

hole

on

the

right

side

of

the

wheel

shaft.

This

is

the

hole

for

the

spirol

pin

that

holds

the

wheel

hub

to

the

shaft.

6.

Shift

the

Wheel

Speed

Lever

so

that

the

clutch

is

in

NEUTRAL.

7.

Strike

the

left

side

of

the

shaft

with

a

rubber

hammer.

The

shaft

will

move

inward

until

the

hi

-pro

key

(14)

on

the

shaft

hits

the

side

of

the

fast

speed

wheel

gear

(4).

Slowly

rotate

the

shaft

with

the

screwdriver

and

continue

to

strike

the

left

side

of

the

shaft

with

the

hammer.

You

are

trying

to

align

the

key

(14)

in

the

shaft

with

the

keyway

in

the

fast

speed

wheel

gear

to

permit

the

removal

of

the

shaft.

Continue

hitting

the

shaft

until

you

feel

it

passing

through

the

fast

speed

gear.

Then

finish

driving

the

shaft

out.

Note:

If

you

had

to

saw

the

left

wrieel

off,

you

will

have

to

use

an

old

wheel

shaft

as

a

driver.

This

will

require

you

to

find

someone

to

assist

you

in

turning

the

screw-

driver

while

you

hold

the

old

shaft

and

hammer.

As

you

tap

the

drive

shaft

out,

the

key

in

the

shaft

will

also

remove

the

right

-side

bushing,

snap

ring,

shim(s),

and

oil

seal.

8.

Using

a

long

punch

inserted

from

the

right

side

of

the

housing,

remove

the

bronze

bushing

(13)

from

the

left

side

of

the

housing.

You

will

have

to

pass

the

punch

through

the

clutch

and

wheel

speed

gears.

9.

Disassemble

and

inspect

the

wheel

shaft.

See

Section

5

in

this

manual

for

more

details.

Installing

the

Wheel

Shaft

1.

Install

a

hi

-pro

key

(14)

in

the

wheel

shaft.

2.

Inspect

the

new

wheel

shaft

for

burrs

or

other

rough

spots

that

could

make

inserting

the

shaft

through

the

gears

and

clutch

diffi-

cult.

If

necessary,

use

emery

cloth

to

remove

any

rough

spots.

3.

Pull

the

eccentric

lever

(12)

back

and

wedge

it.

This

releases

the

eccentric

shaft

(15)

pressure

on

the

clutch

(10).

4.

Line

up

the

keyways

on

the

fast

speed

wheel

gear

(4)

and

clutch

(10).

Use

a

screwdriver

inserted

through

the

right

side

of

the

housing

to

position

them

at

12

o'clock.

5.

Lubricate

the

wheel

shaft

(5).

6.

With

the

key

in

the

wheel

shaft

positioned

at

12

o'clock,

insert

the

shaft

through

the

right

side.

Do

not

use

force;

do

not

use

a

hammer.

7.

Pass

the

wheel

shaft

and

its

key

through

the

fast

speed

gear,

clutch,

and

slow

speed

gear.

This

may

take

a

few

attempts

until

you

are

successful.

'34

Troy-Bilt Horse Tiller Technical Manual - Page 36

Installing, Wheel, Shaft

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