Troy-Bilt Horse Tiller Technical Manual - Page 13

SECTION

4:

Transmission

Removal

and

Installation

PTO

HORSE

MODEL

TECHNICAL

MANUAL

Page

4-1

4/90

The

PTO

Horse

Model

transmission

consists

of

two

separate

transmission

assemblies:

the

PTO

Power

Unit

transmission

and

the

Tiller

Attachment

transmis-

sion

(see

Figure

4-1).

The

transmission

housings

are

held

together

by

a

locking

collar,

a

dowel

pin

and

two

swing

-bolts.

The

PTO

Power

Unit

trans-

mission

and

the

Tiller

Attach-

ment

transmission

can

be

removed

from

the

tiller

as

a

complete

assembly

by

fol-

lowing

the

instructions

in

this

section.

Use

Figure

4-2

as

a

reference

for

part

locations

in

these

instructions.

If

only

the

Tiller

Attachment

transmission

needs

to

be

removed

from

the

tiller,

refer

to

the

Owner/Operator

Manual

for

instructions

on

how

to

remove

the

transmis-

sion

when

the

tiller

is

fully

assembled.

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.

A

DANGER

The

battery

produces

in-

flammable

and

explosive

hydrogen

gas

and

the

elec-

trolyte

solution

contains

poisonous

and

corrosive

sulfuric

acid.

To

avoid

in-

jury,

carefully

fol

low

the

safety

precautions

in

the

Owner/Operator

Manual

when

removing

and

install-

ing

the

battery.

Transmission

Removal

1.

On

tillers

equipped

with

the

Operator

Presence

Control

For-

ward

Interlock

System

(S/N

857307

and

up),

disconnect

the

Forward

Interlock

Wire

Harness

assembly

(1)

located

on

the

right

side

of

the

handlebar

base.

2.

For

electric

start

tillers

only:

a.

Remove

the

battery

as

de-

scribed

in

the

Owner/Operator

Manual.

b.

Disconnect

the

red

starter

cable

from

the

starter

motor

on

the

engine.

c.

Disconnect

the

recharging

wire

that

leads

from

the

keyswitch

wire

harness

to

the

engine.

d.

For

Briggs

&

Stratton

engines

only:

Disconnect

the

green

shutoff

wire

on

the

right

side

of

the

engine.

PTO

POWER

UNIT

(

•

•~

DOG

CLUTCH/POWER

UNIT

DOG

CLUTCH/TILLER

ATTACHMENT

TILLER

ATTACHMENT

TRANSMISSION

PULLEY

WHEEL

SHAFT

4

I

SWING

-

BOLTS

TINES/PTO

CLUTCH

LEVER

TILLER

TINE

SHAFT

,07

Figure

4-1:

PTO

Power

Unit

Transmission

and

Tiller

Attachment

Transmission.

3

Troy-Bilt Horse Tiller Technical Manual - Page 13

Transmission, Removal, Installation

Page 13 highlights