Troy-Bilt Horse Tiller Technical Manual - Page 17

SECTION

5:

PTO

Power

Unit

Transmission

PTO

HORSE

MODEL

TECHNICAL

MANUAL

Page

5-1

4/90

The

following

subsections

explain

how

to

service

various

items

on

the

PTO

Horse

Model

Power

Unit

Transmission.

A

WARNING:

When

servicing

the

machine,

prevent

uninten-

tional

starting

of

the

engine

by

disconnecting

the

spark

plug

wire

and

keeping

the

wire

away

from

the

spark

plug.

Place

the

engine

throttle

control

in

the

OFF

position

and

shift

the

Wheels/Tines/PTO

Drive

Lever

into

NEUTRAL.

2

4

(.

1

5

2

13-

4

?

4

—20

/

16-.

8

34

1

re)

-

11

12

Figure

5-1:

PTO

Power

Unit

Housing

Cover.

5

6

10

4

0

0

Ii

-0

1

8

7

PTO

Power

Unit

Housing

Cover

These

instructions

describe

how

to

service

the

PTO

power

unit

housing

cover.

Use

Figure

5-1

as

a

reference

for

part

locations

in

these

instructions.

Removal

1.

Remove

the

bolt

(1)

that

holds

the

Tines/PTO

Clutch

Lever

knob

(2)

to

the

Tines/PTO

Clutch

Lever.

Then

remove

the

knob.

2.

Remove

the

two

bolts

(3)

and

washers

(if

present)

from

the

top

of

the

shift

lever

bracket

(4).

3.

Remove

the

bolt

(5),

lock

-

washer

(if

present),

and

the

washer

(6)

from

the

side

of

the

shift

lever

bracket.

4.

Remove

the

shift

lever

bracket.

5.

Remove

the

locknut

(7)

that

holds

the

speed

shift

lever

con-

necting

rod

swivel

(see

inset)

(8)

to

the

eccentric

lever

(9).

6.

Separate

the

tiller

attachment

from

the

PTO

power

unit.

See

"Separating

the

PTO

Power

Unit

and

Tiller

Attachment

Transmis-

sion

Assembly"

in

Section

4

for

instructions.

7.

Set

the

PTO

power

unit

on

a

bench

or

other

comfortable

work

area.

8.

If

necessary,

drain

the

trans-

mission

gear

oil

from

the

PTO

power

unit

by

loosening

and

re-

moving

the

oil

drain

plug,

which

is

located

below

the

wheel

shaft

on

the

left

side

of

the

transmission

housing.

After

the

oil

is

drained,

apply

a

coating

of

non

-hardening

gasket

sealer

on

the

threads

and

reinstall

the

oil

plug.

If

the

plug

is

damaged,

use

a

new

plug.

9.

Remove

the

remaining

two

bolts

(3)

and

lockwashers

(if

pres-

ent)

that

secure

the

PTO

power

unit

housing

cover

(11),

and

remove

the

cover.

10.

Discard

the

gasket

(12).

11

7

Troy-Bilt Horse Tiller Technical Manual - Page 17

Power, Transmission

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