¨
USERÕS MANUAL
Model No. 831.288230
Serial No
The serial number is found in the
location shown below. Write the
serial number in the space above.
Serial
Number
Decal
SEARS, ROEBUCK AND CO.,
HOFFMAN ESTATES, IL 60179
CAUTION
Read all precautions and
instructions in this manual
before using this equipment.
Keep this manual for future
reference.
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BEFORE YOU BEGIN
Thank you for selecting the new PROFORM¨ 900L
exercise cycle. The PROFORM 900L blends
advanced engineering with contemporary styling to
provide you with a low-impact workout in the conve-
nience and privacy of your own home.
Saturday, 7 a.m. until 7 p.m. Central Time (excluding
holidays). To help us assist you, please mention the
product model number and serial number when call-
ing. The model number is 831.288230. The serial
number can be found on a decal attached to the
PROFORM 900L (see the front cover of this manual
for the location of the decal).
For your benefit, read this manual carefully before
you use the PROFORM 900L. If you have questions
after reading the manual, please call our toll-free
HELPLINE at 1-800-736-6879, Monday through
Before reading further, please familiarize yourself with
the parts that are labeled in the drawing below.
The decal shown at
the right has been
placed on the exer-
cise cycle. If the
decal is missing, or
if it is not legible,
call our toll-free
HELPLINE to order
a free replacement
decal.
Handlebars
Console
Seat
Seat Post
Seat Pin
Resistance Knob
ÒLÓ Pin
Sideshield
FRONT
BACK
Pedal
Roller
RIGHT SIDE
3
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ASSEMBLY
Place all parts of the exercise cycle in a cleared area and remove the packing materials. Do not dispose of the
packing materials until assembly is completed. Assembly requires the included allen wrench
a phillips screwdriver , and two adjustable wrenches
,
.
1. Pivot the Scissor Frame (3) and the Frame (1) to
the position shown. Insert the ÒLÓ Pin (56) through
one side of Scissor Frame using the indicated holes
and secure it with the Spring Clip (52).
1
56
52
2
Square
Holes
3
Hold the Front Stabilizer (2) against the saddle on
the Frame (1), with the square holes facing away
from the saddle. Attach the Front Stabilizer with two
Carriage Bolts (5) and two M8 Locknuts (39).
5
1
39
2. Attach the Rear Stabilizer (46) to the saddle on the
Scissor Frame (3) with two Carriage Bolts (5) and
two M8 Locknuts (39).
2
3
39
46
5
3. Insert the Seat Post (20) into the Frame (1). Align
one of the holes in the Seat Post with the hole in the
Frame. Insert the Seat Pin (16) through the Frame
and the Seat Post to select the desired seat height.
Make sure to insert the Seat Pin through one of
the holes in the Seat Post; do not insert the Seat
Pin under the Seat Post.
3
21
47
Next, attach the Seat (21) to the Seat Post (20) with
three M8 Washers (47) and three M8 Locknuts (39).
Note: The Seat Washers and Locknuts may be pre-
attached to the bottom of the Seat.
39
16
20
1
4
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4. Slide the Handlebar Collars (12) onto the
Handlebars (6). Attach the Handlebars to the
Scissor Frame (3) with eight M5 x 12mm Screws
(19). Next, slide the Handlebar Collars down over
the Screws.
4
6
12
12
19
19
3
5. The Console (48) requires two AA batteries (not
included). Alkaline batteries are recommended.
Refer to the inset drawing. Remove the battery door
from the Console. Press two batteries into the bat-
tery compartment. Make sure that the negative
ends of the batteries (marked ÒÐÓ) are touching
the springs in the battery compartment. Reattach
the battery door.
5
Console
Wire
48
Slide the Console (48) onto the console plate. Make
sure that the plastic clip on the back of the Console
snaps into the tab on the console plate.
48
49
Console
Plate
Connect the console wire to the Reed Switch Wire
(49).
Batteries
Battery Door
6. Identify the Left Pedal (8). (The Left Pedal is
marked with an ÒL.Ó) Using an adjustable wrench,
tighten the Left Pedal counterclockwise into the left
arm of the Crank (53).
6
Tighten the Right Pedal (9) (not shown) clockwise
into the Right arm on the Crank.
8
53
3
7. Make sure that all parts are properly tightened before you use the exercise cycle.
5
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HOW TO USE THE EXERCISE CYCLE
HOW TO ADJUST THE SEAT
DESCRIPTION OF THE CONSOLE
For effective
exercise, the
Seat (21) should
be at the proper
height. As you
pedal, there
should be a
slight bend in
your knees
The console features five modes that provide instant
exercise feedback during your workouts. The modes
are described below.
¥ SpeedÑDisplays
20
21
Display
your pedaling
speed, in miles
per hour.
16
when the pedals
are in the lowest
position. To
adjust the Seat,
first hold the
Seat and
remove the Seat Pin (16). Align one of the holes in
the Seat Post (20) with the hole in the Frame (1).
Insert the Seat Pin into the Frame and the Seat Post.
Caution: Make sure to insert the Seat Pin through
one of the holes in the Seat Post; do not insert the
Seat Pin under the Seat Post. In addition, make
sure that the Seat Pin is inserted into the front of
the Frame and the Seat Post as shown above.
¥ TimeÑDisplays
the elapsed time.
Note: If you stop
pedaling for ten
seconds or
longer, the time
mode will pause
until you resume.
1
Mode Indicators
¥ DistanceÑ
Displays the total
distance you have pedaled, in miles.
¥ CalorieÑDisplays the approximate number of
Calories you have burned.
HOW TO ADJUST THE PEDALING RESISTANCE
¥ ScanÑDisplays the speed, time, distance, and calo-
rie modes, for 5 seconds each, in a repeating cycle.
To vary the
intensity of your
exercise, the
pedaling resis-
tance can be
adjusted. The
HOW TO OPERATE THE CONSOLE
27
1. To turn on the power, press the on/reset button or
simply begin pedaling. When the power is turned
on, the entire display will appear for two seconds.
The console will then be ready for operation.
resistance is
controlled with
the Resistance
Knob (27). To
2. Select one of the five modes:
increase the
resistance, turn
the Resistance Knob clockwise; to decrease the resis-
tance, turn the Resistance Knob counterclockwise.
Scan modeÑ
Mode Indicator
When the
power is
turned on, the
scan mode will
BATTERY INSTALLATION
automatically
be selected.
One mode
indicator will
Before the console can be operated, two ÒAAÓ batter-
ies must be installed. If you have not installed batter-
ies, see assembly step 5 on page 5.
show that the scan mode is selected, and a flash-
ing mode indicator will show which mode is current-
ly displayed. Note: If a different mode is selected,
you can select the scan mode again by repeatedly
pressing the mode button.
6
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Speed, time,
distance or
3. To reset the display, press the on/reset button.
calorie modeÑ
To select one
of these
modes for con-
tinuous display,
press the
4. To turn off the power, simply wait for about four min-
utes. Note: The monitor has an Òauto-offÓ fea-
ture. If the pedals are not moved and the moni-
tor buttons are not pressed for four minutes,
the power will turn off automatically in order to
conserve the batteries.
mode button repeatedly. The mode indicators will
show which mode is selected. Make sure that the
scan mode is not selected.
NOTE: Your console displays speed in either miles per hour (mph) or revolutions per minute (rpm). If the
displayed speed has a decimal point, your console displays speed in miles per hour; if the displayed speed does
not have a decimal point, your console displays speed in revolutions per minute. Use the chart below to convert
one unit of measurement to the other, if desired
If your console displays speed in miles per hour, it displays distance in miles. If your console displays speed in
revolutions per minute, it displays distance in total revolutions (revs). Use the chart below to convert one unit of
measurement to the other, if desired.
STORAGE AND TROUBLE-SHOOTING
Inspect and tighten all parts of the exercise cycle
regularly. Replace any worn parts immediately.
HOW TO STORE THE EXERCISE CYCLE
When the exercise
cycle is not in use,
it can be folded for
compact storage.
Remove the Spring
Clip (52) and then
pull out the ÒLÓ Pin
(56). Next, fold the
exercise cycle by
bringing the seat
and handlebars
toward one anoth-
er. Store the exer-
cise cycle indoors,
away from mois-
ture and dust.
The exercise cycle can be cleaned with a soft, damp
cloth. Avoid spilling liquid on the console. Keep the
console out of direct sunlight or the display may be
damaged. Remove the batteries when storing the
exercise cycle.
BATTERY REPLACEMENT
If the console does not function properly, the batteries
should be replaced. See assembly step 5 on page 5.
In addition, make sure that the console wire is con-
nected to the reed switch wire.
52
56
7
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HOW TO ADJUST THE REED SWITCH
first be removed. Refer to the instructions on page 7
and remove the left side shield.
10
40
Next, turn the
resistance knob to
38
53
the lowest setting.
Locate and open
the Strap Clamp
(38). Grip the end
of the Resistance
Strap (15) and
8
15
53
40
7
pull it up slightly.
While holding the
end of the
Resistance Strap,
fully close the Strap Clamp. Turn the Crank (53) for a
moment to make sure that there is not too much resis-
tance. When the Resistance Strap is properly adjust-
ed, reattach the left side shield and pedal.
If the console does not display correct feedback, the
reed switch should be adjusted. In order to adjust the
reed switch, the Left Side Shield (10) must be
removed. Using an adjustable wrench, turn the Left
Pedal (8) clockwise and remove it from the Crank
(53). Remove the three M4 x 12mm Screws (40) and
the two M4 x 16mm Screws (7) from the Left Side
Shield. Make sure that the arm of the Crank is in the
position shown in the drawing above. Carefully slide
the Left Side Shield forward off the arm of the Crank
and remove it.
HOW TO ADJUST THE DRIVE BELT
The exercise
cycle features a
14
precision drive
belt that must be
kept properly
adjusted. If the
belt causes
Top View
excessive noise
or slips as you
pedal, the belt
should be
4
53
checked. To do
this, the side shields must first be removed. Refer to
the instructions on page 7 and remove the left side
shield. Next, remove the right side shield in the same
way.
7
49
Press down on
the center of the
Drive Belt (14)
14
30
between the
front and rear
pulleys. There
should be from
1/4Ó to 1/2Ó of
movement in
the center of
Next, locate the Reed Switch (49). Turn the Crank
(53) until the Magnet (4) is aligned with the Reed
Switch. Loosen but do not remove the M4 x 16mm
Screw (7). Slide the Reed Switch slightly closer to or
away from the Magnet. Retighten the Screw. Turn the
Crank for a moment. Repeat until the console displays
correct feedback. When the Reed Switch is correctly
adjusted, reattach the left side shield and pedal.
Top View
54
29
the Belt. If the
Drive Belt (14) is
properly adjusted, reattach the side shields and ped-
als. If the Belt needs to be adjusted, loosen the Nylon
Locknut (54) on the left side of the Flywheel (29). To
tighten the Belt, turn the Adjustment Nut (30) clock-
wise; to loosen the Belt, turn the Adjustment Nut
counterclockwise. Make sure that the Flywheel is
straight and tighten the Nylon Locknut (54). Reattach the
side shields and pedals.
HOW TO ADJUST THE RESISTANCE STRAP
If there is not enough pedaling resistance when the
resistance knob is turned to the highest setting, the
Resistance Strap (15) may need to be adjusted. To
adjust the Resistance Strap, the left side shield must
8
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CONDITIONING GUIDELINES
The following guidelines will help you to plan your
exercise program. Remember that proper nutrition
and adequate rest are essential for successful results.
During the first few minutes of exercise, your body
uses easily accessible carbohydrate calories for ener-
gy. Only after the first few minutes of exercise does
your body begin to use stored fat calories for energy.
If your goal is to burn fat, adjust the intensity of your
exercise until your heart rate is near the lowest num-
ber in your training zone as you exercise.
WARNING:
Before beginning this
or any exercise program, consult your physi-
cian. This is especially important for persons
over the age of 35 or persons with pre-exist-
ing health problems.
For maximum fat burning, adjust the intensity of your
exercise until your heart rate is near the middle num-
ber in your training zone as you exercise.
Aerobic Exercise
EXERCISE INTENSITY
If your goal is to strengthen your cardiovascular sys-
tem, your exercise must be Òaerobic.Ó Aerobic exer-
cise is activity that requires large amounts of oxygen
for prolonged periods of time. This increases the
demand on the heart to pump blood to the muscles,
and on the lungs to oxygenate the blood. For aerobic
exercise, adjust the intensity of your exercise until
your heart rate is near the highest number in your
training zone.
Whether your goal is to burn fat or to strengthen your
cardiovascular system, the key to achieving the
desired results is to exercise with the proper intensity.
The proper intensity level can be found by using your
heart rate as a guide. The chart below shows recom-
mended heart rates for fat burning, maximum fat
burning, and cardiovascular (aerobic) exercise.
HOW TO MEASURE YOUR HEART RATE
To measure your
heart rate, first exer-
cise for at least four
minutes. Then, stop
exercising and
place two fingers on
your wrist as
shown. Take a six-
second heartbeat
count, and multiply
the result by 10 to find your heart rate. For example, if
your six-second heartbeat count is 14, your heart rate
is 140 beats per minute. (A six-second count is used
because your heart rate will drop rapidly when you
stop exercising.)
To find the proper heart rate for you, first find your age
on either side of the chart (ages are rounded off to the
nearest ten years). Next, find the three numbers to
the side of your age. The three numbers are your
Òtraining zone.Ó The lowest number is the recommend-
ed heart rate for fat burning; the middle number is the
heart rate for maximum fat burning; the highest
number is the heart rate for aerobic exercise.
WORKOUT GUIDELINES
Each workout should include the following three parts:
A warm-up, consisting of 5 to 10 minutes of stretch-
ing and light exercise. A proper warm-up increases
your body temperature, heart rate, and
circulation in preparation for exercise.
Burning Fat
To burn fat effectively, you must exercise at a rela-
tively low intensity level for a sustained period of time.
9
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Training zone exercise, consisting of 20 to 30 min-
utes of exercising with your heart rate in your training
zone. (During the first few weeks of your exercise pro-
gram, do not keep your heart rate in your training
zone for longer than 20 minutes.)
EXERCISE FREQUENCY
To maintain or improve your condition, plan three work-
outs each week, with at least one day of rest between
workouts. After a few months of regular exercise, you
may complete up to five workouts each week, if
desired. Caution: Be sure to progress at your own
pace and avoid overdoing it. Incorrect or excessive
training may result in injury to your health.
A cool-down, with 5 to 10 minutes of stretching. This
will increase the flexibility of your muscles and will
help to prevent post-exercise problems.
Remember, the key to success is make exercise a
regular and enjoyable part of your everyday life.
PART LISTÑModel No. 831.288230
R1098A
Key No. Qty.
Description
Key No. Qty.
Description
1
2
3
4
5
6
7
8
1
1
1
1
4
1
5
1
1
1
1
2
4
1
1
1
1
1
8
1
1
1
2
1
1
1
1
1
1
1
Frame
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
#
1
2
1
2
2
1
2
1
7
3
1
1
1
4
1
1
3
1
1
1
1
1
1
1
1
1
2
1
1
Adjustment Sleeve
Flywheel Bushing
Flywheel Pulley/Axle
Axle Cap
M4 x 12mm Screw
Scissor Axle
Crank Nut
Front Stabilizer
Scissor Frame
Magnet
Carriage Bolt
Handlebar
M4 x 16mm Screw
Left Pedal
Right Pedal
Left Side Shield
Right Side Shield
Handlebar Collar
Endcap
Drive Belt
Resistance Strap
Seat Pin
Frame Bushing
Seat Post Bushing
M5 x 12mm Screw
Seat Post
Strap Clamp
M8 Locknut
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
M4 x 12mm Screw
Tension Spring
Clamp Screw
Resistance Spring
1/4Ó Washer
Clamp Nut
Rear Stabilizer
M8 Washer
Console
Reed Switch w/Wire
M5 x 16mm Flat Head Screw
M10 Washer
Spring Clip
Seat
Large Pulley
Push Nut
Roller Axle
Crank
1/2-13 UNC Nylon Locknut
Reed Switch Clamp
ÒLÓ Pin
Scissor Frame Spacer
Scissor Frame Sleeve
UserÕs Manual
Roller
Bearing Assembly
Resistance Knob
Resistance Control/Cable
Flywheel
M10 Nylon Locknut
Note: Ò#Ó refers to a non-illustrated part. Specifications are subject to change without notice. See the back cover
of this manual for information about ordering replacement parts.
10
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EXPLODED DRAWINGÑModel No. 831.288230
R1098A
22
53
9
26
4
37
53
21
6
48
33
51
29
30
31
8
47
39
32
27
17
35
16
54
28
20
45
7
35
43
12
41
55
13
18
42
34
44
57
19
2
58
5
57
11
19
1
13
56
39
38
50
36
52
15
34
3
7
10
39
13
49
39
7
40
14
46
5
23
13
23
25
7
24
11
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The model number and serial number of your PROFORM¨ 900L
are listed on a decal attached to the frame. See the front cover of
this manual to find the location of the decal.
Model No. 831.288230
All replacement parts are available for immediate purchase or
special order when you visit your nearest SEARS Service Center.
To request service or to order parts by telephone, call the toll-free
numbers listed at the left.
QUESTIONS?
If you find that:
¥ you need help assembling or
operating the PROFORM¨ 900L
When requesting help or service, or ordering parts, please be
prepared to provide the following information:
¥ a part is missing
¥ or you need to schedule repair
service
¥ The MODEL NUMBER of the product (831.288230).
¥ The NAME of the product (PROFORM¨ 900L).
call our toll-free HELPLINE
¥ The KEY NUMBER and DESCRIPTION of the PART (see the
PART LIST and the EXPLODED DRAWING on pages 10 and 11).
1-800-736-6879
MondayÐSaturday, 7 amÐ7 pm
Central Time (excluding holidays)
REPLACEMENT
PARTS
If parts become worn and need to
be replaced, call the following toll-
free number
1-800-FON-PART
(1-800-366-7278)
FULL 90 DAY WARRANTY
For 90 days from the date of purchase, if failure occurs due to defect in material or workmanship in this
SEARS BIKE EXERCISER, contact the nearest SEARS Service Center throughout the United States
and SEARS will repair or replace the BIKE EXERCISER, free of charge.
This warranty does not apply when the BIKE EXERCISER is used commercially or for rental purposes.
This warranty gives you specific legal rights, and you may also have other rights which vary from state
to state.
SEARS, ROEBUCK AND CO., DEPT. 817WA, HOFFMAN ESTATES, IL 60179
Part No. 149020 R0400A
Printed in China © 2000 Sears, Roebuck and Co.
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