ProForm 738 English Manual - Page 8

TROUBLE

-SHOOTING

AND MAINTENANCE

ADJUSTING

THE

CHAIN

The

exercise

bike

features

a

precision

chain

which

must

be

kept

properly

adjusted

and

lubricated.

Apply

a

few

drops

of

light

multi

-purpose

oil

to

the

chain

every

three

months.

If

the

chain

is

too

tight,

the

bearings

may

be

damaged;

if

the

chain

is

too

loose,

the

fan

may

be

damaged.

If

the

chain

causes

excessive

noise

or

slips

as

you

pedal,

check

the

chain

in

the

following

manner:

1.

Carefully

pry

the

access

cover

off

the

right

side

shield.

Reach

into

the

access

hole

and

press

down

on

the

chain.

There

should

be

no

more

than

1

Inch,

and

no

less

than

1/4

Inch,

of

vertical

movement

In

the

center

of

the

chain.

If

the

chain

is

properly

adjusted,

reattach

the

ac-

cess

cover;

if

the

chain

needs

to

be

adjusted,

see

step

2.

2.

Pry

the

access

cover

off

the

left

side

shield.

Loosen

the

fan

nuts

(4).

To

tighten

the

chain,

turn

the

adjustment

nuts

(8)

clockwise;

to

loosen

the

chain,

turn

the

adjustment

nuts

counterclockwise.

Be

sure

the

fan

is

straight,

tighten

the

fan

nuts

and

reattach

the

access

covers.

ELECTRONIC

MONITOR

access

cover

•

4

O

8

If

the

electronic

monitor

does

not

function

properly,

the

batteries

should

be

replaced.

Most

problems

are

the

result

of

weak

batteries.

See

assembly

step

4

on

page

4

for

battery

installation

instructions.

If

the

electronic

monitor

still

does

not

function

properly,

the

sensor

wire

should

be

checked.

Slide

the

electronic

monitor

off

the

frame

and

make

sure

the

sensor

wire

is

plugged

fully

into

the

wire

extending

from

the

electronic

monitor.

TIGHTENING

THE

CRANK

ARMS

If

the

brank

arms

become

loose,

they

should

be

tightened

in

order

to

prevent

excessive

wear.

Loosen

the

hex

nut

on

the

left

arm

of

the

crank.

Place

the

end

of

a

standard

screwdriver

in

one

of

the

grooves

in

the

crank

nut.

Lightly

tap

the

screwdriver

with

a

hammer

to

turn

the

crank

nut

counterclockwise

until

the

crank

arms

are

no

longer

loose.

Do

not

overtighten

the

crank

nut.

When

the

crank

nut

is

properly

tightened,

tighten

the

hex

nut.

TIGHTENING

THE

PEDALS

left

side

shield

crank

nut

hex

nut

if

the

pedals

become

loose,

tighten

the

pedal

shafts

into

the

arms

of

the

crank.

Tighten

the

1/2"

locknuts

onto

the

ends

of

the

pedal

shafts

(see

assembly

step

7

on

page

5).

8

ProForm 738 English Manual - Page 8

Trouble, Shooting, And Maintenance

Page 8 highlights