Craftsman 536.270320 Operation Manual - Page 33

SERVICE

AND ADJUSTMENT

HOW

TO ADJUST

THE

SPEED

CONTROL

LEVER

WARNING:

Before

you

make an inspection,

adjust-

6.

,_

ment, or repair to the unit, disconnect

the wire to the

spark plug.

Remove

the wire from the spark plug to

prevent

the

engine

from

starting

by accident.

7.

If a drive

belt

becomes

worn

or after

the

installation

of a new

drive

belt,

the

speed

control

lever

may

need

an

adjustment.

When

the

speed

control

lever

is moved

to

the

NEUTRAL

position,

the

unit

must

come

to

a

complete

stop.

If the

unit

does

not

come

to

a

complete

stop,

adjust

as follows.

1.

Move

the

speed

control

lever

to the

NEUTRAL

position.

Assemble

the

adjuster

nut

to the

hydro

actuator

arm

and

secure with the hair

pin.

Connect

the

wire

to the

spark

plug.

Start

the

engine

and

test

drive

the

unit.

Make

sure

that

the

unit

will

come

to a complete

stop

when

the speed

control

lever

is put in the

NEUTRAL

posi-

tion.

2.

Remove

the

hair

pin

from

the

adjuster

nut

(see

Figure

40).

3.

Disconnect

the

adjuster

nut

from the

hydro actuator

arm.

4.

If the unit was slowly

moving forward

when the speed control

lever was in the NEUTRAL position, then turn the adjuster

nut

clockwise

(forward)

one or two turns.

This wil!

decrease

the

length of the

speed

control

rod.

5.

If the

unit was

slowly

moving

rearward

when

the

speed

control

lever

was

in the

NEUTRAL

position,

then

turn the adjuster

nut

counterclockwise

(backward)

one

or two

turns.

This

wil!

in-

crease

the

length

of the

speed

control

rod,

HOW

TO CHECK

AND

ADJUST

THE

CLUTCH

If the

engine

drive

belt

is loose,

the

clutch

will

slip

when;

(1) going

up a hill, (2) pulling

a heavy

load, or (3) the

unit will not move

forward.

Adjust

the

clutch

as follows.

WARNING:

Before

you

make an inspection,

adjust-

,_

ment, or repair to the unit, disconnect

the wire to the

spark plug.

Remove

the wire from the spark plug to

prevent

the

engine

from

starting

by accident.

1.

Remove the

hair pin and washer

from the adjustable

nut on

the clutch

rod (Figure 41).

2.

Turn the adjuster

nut

counterclockwise

(forward)

to increase

the movement

of the pedal and tighten the belt,

3.

Assemble

the adjustable

nut and fasten with the washer

and

cotter pin.

4.

Connect

the

wire

to

the

spark

plug.

Start

the

engine

and

test

drive

the

unit.

Make

sure

that

the

clutch

does

not slip or that

the

belt

does

not slip.

5.

If the

belt

still slips

after

the

clutch

has

been

adjusted,

then

the

motion

drive

belt

is worn

or damaged

and

must

be

replaced.

See

"How

To Replace

The

Motion

Drive

Belt".

MS-3620MA

33

Figure

41

Craftsman 536.270320 Operation Manual - Page 33

To Adjust, Speed, Control, Lever, To Check, Adjust, Clutch

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