ProForm 283521 User Manual

Model No. 831.283521
Serial No.

Serial

Number

Decal

• Assembly

• Operation

• Maintenance

• Part List and Drawing

ELLIPTICAL EXERCISER

User’s Manual

CAUTION

Read all precautions and instruc­tions in this manual before using
this equipment. Keep this manu
al for future reference.

Patent Pending

-

Sears, Roebuck and Co., Hoffman Estates, IL 60179

TABLE OF CONTENTS

IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3

BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4

ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5

HOW TO USE THE ELLIPTICAL CROSSTRAINER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .9

MAINTENANCE AND TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .20

CONDITIONING GUIDELINES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .21

PART LIST . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .22

EXPLODED DRAWING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .23

HOW TO ORDER REPLACEMENT PARTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Back Cover

FULL 90 DAY WARRANTY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Back Cover

2

IMPORTANT PRECAUTIONS

WARNING: To reduce the risk of serious injury, read the following important precau-

tions before using the elliptical crosstrainer.

Read all instructions in this manual before

1.
using the elliptical crosstrainer.

1. Keep your back straight when using the ellip-

1

tical crosstrainer; do not arch your back.

2. It is the responsibility of the owner to ensure
that all users of the elliptical crosstrainer are
adequately informed of all precautions.

3. The elliptical crosstrainer is intended for
home use only. Do not use the elliptical
crosstrainer in a commercial, rental, or insti­tutional setting.

Place the elliptical crosstrainer on a level

4.
surface, with a mat beneath it to protect the
floor or carpet. Keep the elliptical crosstrain­er indoors, away from moisture and dust.

5. Inspect and properly tighten all parts regu­larly. Replace any worn parts immediately.

6. Keep children under 12 and pets away from
the elliptical crosstrainer at all times.

7. The elliptical crosstrainer should not be used
by persons weighing more than 250 pounds.

8. Wear appropriate exercise clothes when
using the elliptical crosstrainer. Always wear
athletic shoes for foot protection while exer
cising.

12. If you feel pain or dizziness at any time
while exercising, stop immediately and cool
down.

13. When you stop exercising, allow the pedals
to slowly come to a stop.

14. The decal shown below has been placed on
the elliptical crosstrainer. If the decal is
missing, or if it is not legible, please call toll­free 1-888-533-1333 and order a free replace­ment decal. Apply the decal in the location
shown.

-

9. Hold the handgrip pulse sensor or the han­dlebars when mounting, dismounting, or
using the elliptical

10. The pulse sensor is not a medical device.
Various factors may affect the accuracy of
heart rate readings. The pulse sensor is
intended only as an exercise aid in determin­ing heart rate trends in general.

crosstrainer

.

WARNING: Before beginning this or any exercise program, consult your physician.

This is especially important for persons over the age of 35 or persons with pre-existing health prob­lems. Read all instructions before using. Sears assumes no responsibility for personal injury or
property damage sustained by or through the use of this product.

3

BEFORE YOU BEGIN

Congratulations for selecting the new PROFORM

CARDIO CROSSTRAINER. The PROFORM

820

®

®

820
is an incredibly smooth exerciser that moves your feet
in a natural elliptical path, minimizing the impact on
your knees and ankles. And the unique PROFORM

®

820 features adjustable resistance and a state-of-the­art console to help you get the most from your
exercise.

For your benefit, read this manual carefully before
you use the elliptical crosstrainer. If you have

Handgrip
Pulse Sensor

Handlebar

questions after reading this manual, call 1-800-4-MY­HOME®(1-800-469-4663).

To help us assist you,
please note the product model number and serial
number before calling. The model number is

831.283521. The serial number can be found on a
decal attached to the elliptical crosstrainer (see the
front cover of this manual for the location of the decal).

Before reading further, please familiarize yourself with
the parts that are labeled in the drawing below.

Console

Water Bottle Holder*

FRONT

Wheel

Leveling Foot

LEFT SIDE

*No water bottle is included

Pedal

Flex Bar

Pedal Disk

BACK

4

ASSEMBLY

M10 x 112mm Carriage Bolt (34)–4

M10 x 88mm Button Screw (63)–1

M10 x 78mm Button Bolt (27)–2

M4 x 16mm

Screw (66)–4

M10 Nylon

Locknut (29)–6

M8 Nylon

Locknut (46)–4

M10 Split

Washer (70)–3

Frame Spacer (83)–1

M8 x 45mm Button Bolt (50)–4

M10 x 35mm Carriage

Bolt (20)–2

M4 x 22mm

Screw (93)–2

M10

Washer (38)–6

M8.5

Washer (53)–2

Wave Washer

(95)–2

M8 x 25mm Patch

Screw (22)–2

Assembly requires two persons. Place all parts of the elliptical crosstrainer in a cleared area and remove the
packing materials. Do not dispose of the packing materials until assembly is completed. In addition to the

included allen wrenches, assembly requires a phillips screwdriver
wrench , and a rubber mallet .

As you assemble the elliptical crosstrainer, use the drawings below to identify the small parts used in assembly.
The number in parenthesis below each drawing refers to the key number of the part, from the PART LIST on
page 22. The second number refers to the quantity needed for assembly.

been pre-assembled. If a part is not in the parts bag, check to see if it has been pre-assembled. If a part
is missing, call toll-free 1-888-533-1333.

Note: Some small parts may have

, an adjustable

5

1. Identify the Front Stabilizer (3). While another person
lifts the front of the Frame (1), attach the Front
Stabilizer to the Frame with two M10 x 1
Carriage Bolts (34) and two M10 Nylon Locknuts (29).

Make sure that the Front Stabilizer is turned so the
Wheels (32) are not touching the floor.

12mm

1

34

32

32

3

1

29

2. While another person lifts the back of the Frame (1),
attach the Rear Stabilizer (4) to the Frame with two
M10 x 112mm Carriage Bolts (34) and two M10 Nylon
Locknuts (29).

3. While another person holds the Upright (2) in the posi­tion shown, connect the Upper Wire Harness (86) to
the Lower Wire Harness (87). Carefully pull the

upper end of the Upper Wire Harness to remove
any slack. While holding the upper end of the
Upper Wire Harness, insert the Upright into the

Frame (1). Do not pinch the Wire Harnesses.

Slide an M10 Split Washer (70) and a Frame Spacer
(83) onto an M10 x 88mm Button Screw (63). Insert
the Button Bolt into the Frame (1) and the Upright (2).

Make sure that the concave end of the Frame
Spacer is turned toward the Frame. Do not tighten
the Button Bolt yet.

Attach the W
(2) with two M4 x 22mm Screws (93).

ater Bottle Holder (91) to the Upright

2

29

4

29

1

3

91

2

63

70

Make sure the

wire harnesses

do not get

pinched and

damaged during

this step.

93

86

87

1

34

4. While another person holds the Console (5) in the
position shown, connect the wire harness on the
Console to the Upper Wire Harness (86). Insert the
excess wire harness into the Upright (2). Next, attach
the Console to the Upright with four M4 x 16mm
Screws (66).

harnesses.

Be careful to avoid pinching the wire

83

4

5

Make sure the

wire harnesses

do not get

pinched and

damaged during

this step.

Harness

66

66

Wire

86

2

6

5. The Console (5) requires four “D” batteries (not includ­ed); alkaline batteries are recommended. Remove the
indicated screw from the battery drawer
battery drawer open. Insert four batteries into the bat­tery drawer;

ed as shown by the markings inside the battery
drawer.

screw. Note: When the batteries are installed correctly,
the fan will turn on for a moment.

make sure that the batteries are orient

Close the battery drawer and reattach the

, and pull the

5

5

-

Screw

Batteries

Battery
Drawer

6. Identify the Left Handlebar (9), which is marked with a
sticker. Insert the Left Handlebar into one of the
Handlebar Legs (79); make sure that the Handlebar

Leg is turned so the hexagonal holes are on the
indicated side. Attach the Left Handlebar to the

Handlebar Leg with two M8 x 45mm Button Bolts (50)
and two M8 Nylon Locknuts (46). Make sure that the

Nylon Locknuts are inside of the hexagonal holes.
Do not fully tighten the Button Bolts yet.

Apply a generous amount of the included grease to the
Pivot Axle (97) and to the two M8.5 Washers (53). Insert
the Pivot Axle into the Upright (2) and centre it. Reapply
grease to both ends of the Pivot Axle.

Slide a Handlebar Spacer (25) onto the short tube on the
Left Handlebar (9), and rotate the Handlebar Spacer so
the arrow is pointing toward the floor. Then, slide the Left
Handlebar onto the Pivot Axle (97).
Left Handlebar is on the correct side. Turn an M8 x
25mm Patch Screw (22) with an M8.5 Washer (53) and
a Wave Washer (95) into the end of the Pivot Axle.

Attach the Right Handlebar and the other Handlebar Leg
(not shown) to each other and the Pivot
same way. Next, tighten the two M8 x 25mm Patch
Screws (22) into the Pivot Axle. Press the small tabs on
the Handlebar Caps (23) into the two Handlebar Spacers
(25).

Make sure that the

Axle (97) in the

6

95

Grease

Tube

Arrow

Hexagonal

79

46

Holes

25

97

2

9

53

22

23

50

7. Hold the lower end of the left Handlebar Leg (79) inside
of the left Front Flex Bracket (17). Apply a small
amount of grease to an M10 x 78mm Button Bolt (27).
Attach the left Handlebar Leg to the left Front Flex
Bracket with the Button Bolt, two M10 Washers (38),
and an M10 Nylon Locknut (29). Do not overtighten

the Nylon Locknut; the left Handlebar Leg must be
able to pivot freely

Attach the right Handlebar Leg (79) to the right Front
Flex Bracket (17) in the same way

See step 6.
in the Handlebar Legs (79). See step 3. Tighten the
M10 x 88mm Button Screw (63).

T

.

.

ighten the M8 x 45mm Button Bolts (50)

7

7

79

27

Grease

38

17

38

79

29

17

8. Identify the Left Pedal (13). Attach the Left Pedal to the
left Flex Bar (14) with an M10 x 35mm Carriage Bolt
(20), an M10 W
and a Pedal Knob (15) as shown. Note: The Left Pedal
can be attached in any of five positions (see HOW
ADJUST THE PEDALS on page 9).

Attach the Right Pedal (not shown) in the same way.
Make sure that both Pedals are in the same position.

9. Make sure that all parts of the elliptical crosstrainer are properly tightened. Note: Some hardware may
be left over after assembly is completed. To protect the floor or carpet from damage, place a mat under the
elliptical crosstrainer.

asher (38), an M10 Split Washer (70),

TO

8

20

13

14

38

70

15

8