Pro-Form Light Cycle User manual

AIR ("rLLc
-Model No. 831.287450
Serial No.
Write the serial number in the
space above for reference.
Serial Number
PA TENT PENDING
PROGRAMMABLE RESISTANCE
FITNESS TRAINER
®MANUAL
OWNER'S
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QUESTIONS?: Asamanufacture_,we are committed to providing you complete
cu._tomer satisfaction, if you have any questions, or find there are missing or damaged parts,
we guarantee you c_,:;,.F[¢te satisfaction through direct assistance from our factory. TO AVOID
UNNECESSARY DELAYS, PLEASE CALL D_RECT TO OUR TOLL-FREE CUSTOMER HOT LINE.
Let the trained technicians on our Customer Hot Line provide immediate assistance, free cf
charge to you. CUSTOMER HOT LINE: 1-800-999-3756, Men. - Fri., 6am - 6 pm MST.
CAUTION: Read all safety precautions and instructions in this manual careful/y before
using this ecluipmenL Save this manual for future reference. I
- i i ii i i ii
Part No 101839 4/91 SOLD BY SEARS. ROEBUCK AND COMPANY, CHICAGO, IL 60684

'AIR CYCLE
TABLE OF CONTENTS
Warranty ........................... _...... -.. 2
Important Safety Precautions .................... 3
Before You Begin ............. ................ 4
Assembly 5
Operation and Adjustment ................. ..... 7
Maintenance and Trouble-Shooting ............... 10
Conditioning Guidelines ........................ 11
Part Ust ..................................... 14
Exploded Drawing ............................. 15
Ordering Replacement Parts. ............ Back Cover
2
FULL 90 DAY WARRANTY ON PARTS
For 90 days from the date of purchase, when proper assembly and maintenance procedures
detailed in the Owner's Manual are followed, Sears will, free of charge, repair or replace and
install a replacement part for any defective part, when the Programmable Resistance
Exercise Bike is used in a normal manner.
This warranty does not apply when the Programmable Resistance Exercise Bike is used for
commercial or rental purposes.
SERVICE IS AVAILABLE BY SIMPLY RETURNING THE PROGRAMMABLE RESISTANCE
EXERCISE BIKE TO YOUR NEAREST SEARS SERVICE CENTER/DEPARTMENT IN THE
UNITED STATES.
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. 731OR-W, CHICAGO, IL 60684

IMPORTANT SAFETY PRECAUTIONS
WARNING: To reduce the risk of burns,fire, electric shock or Injury to persons, read the
following important safety precautions and lnformatlon before operating the exercise bike.
1. Plug the power cord directly Into any standard outleL Keep the cord away from walkways
and heated surfaces. Do not use an extension cord.
Always plug In the power cord and turn on the powe_ befor_ = usa,n; th_ exercise bike. Do not
use the bike if the power cord or plug are damaged, or if the bike is not functioning properly.
(Refer to the BEFORE YOU BEGIN section.)
3. Position the exercise bike on a level surface. Do not use the bike near water or outdoors.
do
e
Wear appropriate attire when exercising. Do not wear flowing clothing that could become
caught in the bike. Always wear running or aerobic shoes.
Keep hands and feet away from the link arms during use. Keep small children away from
the bike.
6. Use this exercise bike only-as described in this manual. Servicing other than the proce-
dures described in this manual should be performed by an authorized service
representative.
WARNING: Before beginning this or any exercise program consult your physician. This
isespecially important for individuals 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 Sears product.
SAVE THESE INSTRUCTIONS
@1991 SEARS, ROEBUCK AND CO. 3

BEFORE YOU BEGIN
Thank you for selecting the Pro Form AIR CYCLE Programmable Resistance Fitness Trainer. The Pro
Form AIR CYCLE blends advanced engineering and ergonomic styling to offer you an effective and
enjoyable cardiovascular workout in the convenience and privacy of your home. The heart of the AIR
CYCLE is a unique programmable console, designed to control pedaling resistance automatically
according to custom workout prod;rams you create.
For your safety and benefit, read this manual carefully before using this equipment. If you have
additional questions, please call our Customer Service Department toll-free at 1-800-999-3756, during
our business hours: Monday - Friday, 6 a.m. - 6 p.m. Mountain Time. In all communications regarding
this product, please refer to the product model number and serial number. The model number is
printed on the front cover of this manual. The serial number is recorded on a decal affixed to the
product (see the drawing on the front cover).
Before reading the following sections of this manual, please review the drawing below and familiarize
yourself with the parts labeled.
Handlebars
SE
Electronic Monitor\
Programmable Console_
Seat Foot Rest
Tension Buckle
Shield
Seat Pin FRONT
Side
Frame
BACK
Link Arm
Cord
RIGHT SIDE
4

.SSEMBLY
_lace all parts in a cleared area and remove the packing materials. Do not dispose of the packing
naterials until the bike is fully assembled and all parts areaccounted for. Read the instructions
_elow carefully before beginning. Assembly can be completed using an adjustable wrench.
Attach a Stabilizer (57) to the front of the Frame (36)
with two Carriage Bolts (56), Washers (21) and Acorn
Nuts (52). (The Stabilizer must be turned so that the
square holes in the Stabilizer are downward.)
Attach the other Stabilizer to the back of the Frame in
the same manner (not shown).
36
21
57
56
Remove the four Seat Nuts (2) from the underside of
the Seat (3). Attach the Seat to the top of the Seat
Post (1) with the four Nuts.
Insert the Seat Post into the Frame (36), adjust the
Seat to the desired height, and insert the Seat Pin (53)
through the Frame and Seat Post.
Plug the Wire Harness (33) into the back of the
Programmable Console (9). Plug the power connector
into the jack labeled "POWER" on the Electronic
Monitor (10). Plug the Sensor Wire (34) into the jack
labeled "SPEED" on the Electronic Monitor. Slide the
Console Plate (8) onto the mounting bracket on the
Frame (36).
_2
3 Ii
2"_2___3 6
10
Slide the PivotShaft (32)into theFrame (36). Slide
the Left Handlebar (27) onto the left end of the Shaft.
Slide the Right Handlebar (35) onto the right end of
the Shaft. Attach the Handlebars by tightening the
Foot Rests (29) into the ends of the Pivot Shaft. 5q
29
36 32
29
5

.Plug the PoweT_ord (66) into the Power Plug (37) at
the rear of the Side Shields (14, 58).
°Insert the Pin in the right Link Arm (43) through the
hole in the lower end of the Right Handlebar (35),
and slide a Washer (21) onto the Pin. (When the
Pin in the right Link Arm is pointed outward as
shown, the large opening in the other end of the
Unk Arm will be downward.) Insert a Cotter Pin (46)
through the Pin.
Attach the left Unk Arm to the Left Handlebar in the
same manner (not shown).
46
35
oSlide aUnk Arm Bushing (42) and a Unk Arm Washer (41) onto the end of a Pedal Shaft (23).
Thread the Pedal Shaft clockwise into the right arm of the Crank (61), and tighten the Pedal
Shaft firmly. _ghten a Shaft Nut (50) onto the end of the Pedal Shaft. Fit the end of th6
right Link Arm (43) over the Pedal Shaft and slide it onto the Unk Arm Bushing. Slide a Pedal
Washer (26), Pedal Spring (25), Spring Washer (24), arid Pedal (22) onto the Pedal Shaft. (The
end of the Pedal with the deepest recess should be away from the bike.) Attach the Pedal with
aWasher (21) and Pedal Nut (20). Press a Pedal Cap (19) into the end of the Pedal.
Attach the other Pedal to the left arm of the Crank in the same manner (not shown).
.... (silver) (black l) I I
19 2021 22 24 25 26 23 43 4241 ! 611 50
6
,The Resistance Strap around the Fan has been tightened for shipping purposes (not shown).
It may be necessary to loosen the Strap before using the exercise bike. See MAINTENANCE
AND TROUBLE-SHOOTING on page 10 of this manual for Strap adjustment instructions.

OPERATION AND ADJUSTMENT
Plug the transformer into a120-volt outlet. Make
sure the power cord is away from walkways or
heated surfaces.
7

PROGRAMMABLE CONSOLE DIAGRAM
Electronic Monitor
Programmable Resistance
Contro!s
Indicator
Programmable Console
0 000000 O0
Program Time Control
Manual Resistance Control
Program Start/Stop Key
Power Key
MANUAL RESISTANCE MODE OPERATION
1. Before turning the power on, move the manual resistance control to the lowest position.
2. Turn the power on by pressing the power key.
3. As you pedal the bike, move the manual resistance control slowly up or down Until the desired
resista.nce level is reached.
PROGRAMMABLE RESISTANCE MODE OPERATION
The programmable resistance mode allows you to create custom workout programs. Simply set the
length of time that you plan to exercise, and program eight resistance settings. With the touch of a key,
the equalizer computer takes over, controlling pedaling resistance automatically as you exercise.
1. Set the program time control for the length of time that you plan to exercise, from 5 to 40 minutes.
.Set the eight programmable resistance controls to the
desired resistance levels. The controls can be set in
an infinite variety of ways. A sample program is shown
at right. This program begins with low resistance to
give you a good warm-up. Then the resistance in-
creases gradually to simulate a challenging climb.
Next, a decrease in resistance provides a period of rest
before a final climb, and the program ends with a low
resistance setting to allow you to cool down.

_3o Press the program start/stop key and begin pedaling. The pedaling resistance will automatically
adjust to the setting of the first programmable resistance control. After one-eighth of the total time
set'has elapsed, the resistance will adjust to the setting of the second control. The console will
sequentially activate all eight controls. The indicators below the controls will show which control is
currently active. When the total time has elapsed, the exercise bike will return to the manual mode
and the indicator below the manual resistance control will light.
Note: The programmable resistance controls can be changed while the program is running if desired.
To return to bike to the manual mode before the program has ended, simply press the program
start/stop key.
ELEC'_RONIO MONITOR OPERATION
See the Electronic Monitor Operation Guide accompanying this manual.
SEAT ADJUSTMENT
Proper seat height is important for efficient exercise. As
you pedal the bike, there should be a slight bend in your
knees when the pedals are at the lowest position. To
adjust the seat height: stand beside the bike, hold onto
the seat and withdraw the seat pin. Raise or lower the
seat, and reinsert the seat pin. CAUTION: Failure to fully
insert the seat pin could result in injury.
seat
HANDLEBAR OPERATION
The handlebars are designed to be used either in a stationary position, for pedaling exercise only, or in
a dual-action position, adding upper-body exercise to your workout.
STATIONARY MODE
To convert the handlebars to the stationary mode, the link
arms must be disconnected from the pedals. Pull the link
arms outward against the pedal washers, while pulling
against the bottom of the pedal washers with your fingers.
Lift the link arms off the pedals.
Rotate the link arms up and forward, and clip the ends of
the link arms onto the locking pegs on the bike frame. In
the stationary mode, the muscles of the legs are emphasized.

DUAL-ACTIONMODE
Toconvertthehandlebarsto thedual-actionmode,first
removethelinkarmsfromthe lockingpegson theframe.
Rotatethelinkarmsupandbackuntiltheyreachtl_epedals.
Pressthe linkarmsoutwardagainstthepedalwashers,
whilepullingagainstthebottomofthepedalwasherswith
yourfingers. Slidethelinkarmsontothepedal ,
bushings. It maybe helpfulto movethelinkarms upand
downslightlyuntiltheyslideontothebushings.
Toisolatethemusclesoftheupper-body,youcanrestyour
feetonthefootrestsandexerciseusingonlyyour arms. fo0t rests
MAINTENANCE AND TROUBLE-SHOOTING
10
This exercise bike is designed to be virtually maintenance-free. Be sure that all parts are kept
tightened securely. A few drops of light multi-purpose oil should be applied to the chain every three
months through the opening in the left side shield. Place the bike in a cool, dry location, out of direct
sunlight. During periods of storage, it is recommended that the bike be covered.
If the electronic monitor appears to malfunction, the speed and power wires to the monitor should be
checked. Slide the console plate off of the bike frame, and make sure that both wires are plugged fully
into the back of the monitor. Replace the console plate on the bike frame.
If the range of pedaling resistance is too high or too low, it
can be adjusted using the tension buckle located on the
front of the bike frame above the fan guard. To raise the
range of resistance, open the tension buckle, pull the
resistance strap slightly tighter, and close the buckle. To
lower the range of resistance, open the buckle, loosen the
strap slightly, and close the buckle.
s J
I-'- resistance strap
•tension buckle