ProForm Treadmill 831297390 User Manual

®
Model No. 831.297390  
Serial No.  
The serial number is found in the location  
shown below. Write the serial number in  
the space above for future reference.  
Serial Number  
Decal  
CAUTION  
Read all precautions and instruc-  
tions in this manual before using  
this equipment. Save this manual  
for future reference.  
USER'S MANUAL  
SEARS, ROEBUCK AND CO., HOFFMAN ESTATES, IL 60179  
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13. Never move the walking belt while the power  
is turned off. Do not operate the treadmill if  
the power cord or plug is damaged, or if the  
treadmill is not working properly. (See  
BEFORE YOU BEGIN on page 4 if the tread-  
mill is not working properly.)  
ASSEMBLY on page 5, and HOW TO MOVE  
THE TREADMILL on page 10.) You must be  
able to safely lift 45 pounds (20 kg) in order to  
raise, lower, or move the treadmill.  
19. When folding or moving the treadmill, make  
sure that the storage latch is fully closed.  
14. Never start the treadmill while you are stand-  
ing on the walking belt. Always hold the  
handrails while using the treadmill.  
20. Inspect and tighten all parts of the treadmill  
regularly.  
15. The treadmill is capable of high speeds.  
Adjust the speed in small increments to avoid  
sudden jumps in speed.  
21. Never insert any object into any opening.  
22. Always unplug the power cord before per-  
forming the maintenance and adjustment pro-  
cedures described in this manual. Never re-  
move the motor hood unless instructed to do  
so by an authorized service representative.  
Servicing other than the procedures in this  
manual should be performed by an authorized  
service representative only.  
16. To reduce the possibility of the treadmill over-  
heating, do not operate the treadmill continu-  
ously for longer than 1 hour.  
17. Never leave the treadmill unattended while it  
is running. Always remove the key when the  
treadmill is not in use.  
23. This treadmill is intended for in-home use  
only. Do not use this treadmill in any commer-  
cial, rental, or institutional setting.  
18. Do not attempt to raise, lower, or move the  
treadmill until it is properly assembled. (See  
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.  
SAVE THESE INSTRUCTIONS  
The decal shown below has been placed on your treadmill. If the decal is missing, or if it is not legible,  
please call our toll-free HELPLINE to order a free replacement decal (see the back cover of this manual).  
Apply the decal in the location shown.  
3
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BEFORE YOU BEGIN  
Congratulations for purchasing the new PROFORM®  
CROSSWALK GT treadmill. The CROSSWALK GT  
treadmill combines advanced technology with innova-  
tive design to let you enjoy an excellent form of cardio-  
vascular exercise in the convenience and privacy of  
your home. And when you’re not exercising, the unique  
CROSSWALK GT can be folded up, requiring less than  
half the floor space of other treadmills.  
Monday through Saturday, 7 a.m. until 7 p.m. Central  
Time (excluding holidays). To help us assist you,  
please note the product model number and serial num-  
ber before calling. The model number of the treadmill  
is 831.297390. The serial number can be found on a  
decal attached to the treadmill (see the front cover of  
this manual for the location).  
Before reading further, please review the drawing  
below and familiarize yourself with the parts that are  
labeled.  
For your benefit, read this manual carefully before  
using the treadmill. If you have additional questions,  
please call our toll-free HELPLINE at 1-800-736-6879,  
Towel Rack  
Console  
Upper Body Arm  
Upper Body Arm  
Water Bottle  
Holder (Bottle  
not included)  
Accessory Tray  
Handrail  
Handrail  
Key/Clip  
Storage Latch  
LEFT SIDE  
RIGHT SIDE  
Walking Belt  
Hood  
Foot Rails  
Circuit  
Breaker  
Power Cord  
Front Wheel  
Incline  
Leg  
Cushioned Walking  
Platform  
Rear Roller  
Adjustment Bolts  
4
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ASSEMBLY  
Assembly requires two people. Set the treadmill in a cleared area and remove all packing materials. Do not  
dispose of the packing materials until assembly is completed. Refer to the drawings below to identify the small  
parts used in assembly. Assembly requires the included allen wrench  
driver , adjustable wrench , open end wrench  
and your own phillips screw-  
and scissors  
.
Extension Leg Screw (34)–2  
Handrail Bolt (15)–2  
1/2" Screw (13)–6  
Handrail Washer (16)–2  
Flange Nut (57)–2  
3 1/2" Handrail Bolt (89)–2  
3/8" Washer (99)–2  
1. With the help of a second person, carefully lay the  
treadmill on its right side as shown (refer to the drawing  
on page 4 to identify the right side).  
34  
1
Insert the Extension Legs (41) into the treadmill. Make  
sure that the Extension Legs are turned so the Base Pads  
(36) are on the indicated side. Attach each Extension Leg  
with an Extension Leg Screw (34).  
41  
36  
Shipping  
Bracket  
Bolt  
With the help of a second person, carefully raise the  
treadmill to the upright position so the Extension Legs  
(41) are resting flat on the floor.  
Refer to the inset drawing. Remove the nut, bolt, and  
shipping bracket from the left Upright (14).  
Nut  
41  
36  
14  
34  
2. Refer to HOW TO LOWER THE TREADMILL FOR USE  
on page 11. Follow the instructions in step 2 to lower the  
treadmill.  
2
15  
16  
Position the Left Handrail (2) on the left Upright (14) as  
shown. Thread a Handrail Bolt (15) with a Handrail  
Washer (16) into the left Upright and the Left Handrail. Do  
not tighten the Handrail Bolt yet.  
2
14  
Attach the lower end of the Left Handrail (2) to the  
Extension Leg (41) with a 3 1/2” Handrail Bolt (89), a 3/8”  
Washer (99), and a Flange Nut (57). Do not tighten the  
Handrail Bolt yet.  
41  
57  
99  
89  
5
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3. With the help of a second person, hold the Console Base  
(6) and the Right Handrail (32) near the right Upright (14).  
Feed all excess Wire Harness (26) down into the right  
Upright; if necessary, bend the Wire Harness as shown.  
3
6
Bracket  
32  
88  
13  
Route the Wire Harness (26) through the bracket on the  
Right Handrail (32) as shown. Insert the bracket into the  
right Upright (14).  
26  
Refer to the inset drawing. Push the Strain Relief Clip (88)  
onto the Wire Harness (26). Insert a 1/2” Screw (13) into  
the Strain Relief Clip and into the indicated hole in the  
Right Handrail (32). Make sure that there is no slack Wire  
Harness between the Strain Relief Clip and the Console  
Base (6). Tighten the Screw into the Console Base.  
14  
32  
26  
88  
6
13  
IMPORTANT: The Strain Relief Clip (88) must be  
attached as instructed.  
4
4. Attach the Console Base (6) to the Left and Right  
Handrails (2, 32) with three 1/2” Screws (13).  
6
2
32  
5
13  
13  
5. Thread a Handrail Bolt (15) with a Handrail Washer (16)  
into the right Upright (14) and the Right Handrail (32). Do  
not tighten the Handrail Bolt yet.  
15  
16  
Attach the lower end of the Right Handrail (32) to the  
Extension Leg (41) with a 3 1/2” Handrail Bolt (89), a 3/8”  
Washer (99), and a Flange Nut (57).  
32  
14  
Tighten all parts used in this step and in step 2.  
41  
57  
99  
89  
6. Attach the Storage Latch (12) to the left Upright (14) with  
two 1/2” Screws (13). Be careful not to overtighten the  
Screws.  
6
Refer to the inset drawing. Remove the backing from the  
Adhesive Clip (74). Press the Adhesive Clip onto the  
base of the Uprights (14) in the indicated location. Press  
the Allen Wrench (73) into the Adhesive Clip.  
14  
14  
73  
13  
12  
74  
7. Make sure that all parts are tightened before you use the treadmill. To protect the floor or carpet, place  
a mat under the treadmill.  
6
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OPERATION AND ADJUSTMENT  
THE PERFORMANT LUBETM WALKING BELT  
This product is for use on a nominal 120-volt circuit,  
and has a grounding plug that looks like the plug illus-  
trated in drawing 1 below. A temporary adapter that  
looks like the adapter illustrated in drawing 2 may be  
used to connect the surge suppressor to a 2-pole  
receptacle as shown in drawing 2 if a properly  
grounded outlet is not available.  
Your treadmill features a walking belt coated with  
PERFORMANT LUBETM, a high-performance lubricant.  
IMPORTANT: Never apply silicone spray or other  
substances to the walking belt or the walking plat-  
form. Such substances will deteriorate the walking  
belt and cause excessive wear.  
1
HOW TO PLUG IN THE POWER CORD  
Grounded Outlet Box  
Surge Suppressor  
Grounding Pin  
DANGER:  
Improper connection  
of the equipment-grounding conductor can  
result in an increased risk of electric shock.  
Check with a qualified electrician or service-  
man if you are in doubt as to whether the  
product is properly grounded. Do not modify  
the plug provided with the product—if it will  
not fit the outlet, have a proper outlet  
Grounding Pin  
Grounded Outlet  
Grounding Plug  
installed by a qualified electrician.  
2
Grounded Outlet Box  
Adapter  
Your treadmill, like any other type of sophisticated  
electronic equipment, can be seriously damaged by  
sudden voltage changes in your home’s power.  
Voltage surges, spikes, and noise interference can  
result from weather conditions or from other appliances  
being turned on or off. To decrease the possibility of  
your treadmill being damaged, always use a surge  
suppressor with your treadmill (see drawing 1 at  
the right).  
Surge Suppressor  
Lug  
Metal Screw  
Surge suppressors are sold at most hardware stores  
and department stores. Use only a single-outlet surge  
suppressor that is UL 1449 listed as a transient voltage  
surge suppressor (TVSS). The surge suppressor must  
have a UL suppressed voltage rating of 400 volts or  
less and a minimum surge dissipation of 450 joules.  
The surge suppressor must be electrically rated for  
120 volts AC and 15 amps.  
The temporary adapter should be used only until a  
properly grounded outlet (drawing 1) can be installed  
by a qualified electrician.  
The green-colored rigid ear, lug, or the like extending  
from the adapter must be connected to a permanent  
ground such as a properly grounded outlet box cover.  
Whenever the adapter is used it must be held in place  
by a metal screw. Some 2-pole receptacle outlet box  
covers are not grounded. Contact a qualified elec-  
trician to determine if the outlet box cover is  
grounded before using an adapter.  
This product must be grounded. If it should malfunc-  
tion or break down, grounding provides a path of least  
resistance for electric current to reduce the risk of elec-  
tric shock. This product is equipped with a cord having  
an equipment-grounding conductor and a grounding  
plug. Plug the power cord into a surge suppressor,  
and plug the surge suppressor into an appropriate  
outlet that is properly installed and grounded in  
accordance with all local codes and ordinances.  
7
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DIAGRAM OF THE CONSOLE  
Monitor Displays  
Incline Control  
Note: If there is a thin sheet of clear  
plastic on the console, remove it.  
Speed Control Clip  
Key  
CAUTION:  
Before operating the con-  
sole, read the following precautions.  
• Adjust the speed in small increments.  
• The training zones marked beside the speed  
control are general guidelines only. See pages  
14 and 15 for more information.  
• Do not stand on the walking belt when turning  
on the power.  
• Always wear the clip (see the drawing above)  
while operating the treadmill. When the key is  
removed from the console, the walking belt will  
stop.  
• To reduce the possibility of electric shock,  
keep the console dry. Avoid spilling liquids on  
the console. Use only a sealable water bottle.  
BATTERY INSTALLATION  
STEP BY STEP CONSOLE OPERATION  
The console  
Step onto the foot rails of the treadmill. Find the clip  
attached to the key (see the drawing above), and slide  
the clip onto the waistband of your clothing. Follow the  
steps below and on page 9 to operate the console.  
Battery Cover  
requires two or  
three "AA" bat-  
teries (not in-  
cluded). Alkaline  
batteries are rec-  
ommended. To  
install batteries,  
open the battery  
cover as shown.  
Press the batter-  
ies into the battery  
Insert the key fully into the power switch.  
1
The four displays will  
not turn on until the  
ON/RESET button is  
pressed or the walk-  
ing belt is started.  
Batteries  
compartment, with the negative ends of the batteries  
(marked “–”) touching the springs. Close the battery  
cover.  
Note: If you just in-  
stalled batteries, the  
displays will already be on.  
8
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Reset the speed control.  
The CALORIES/  
FAT CALORIES  
Arrow  
2
Slide the speed control  
down to the RESET  
display—This display  
shows the approximate  
numbers of calories  
and fat calories you  
have burned. (See FAT  
BURNING on page 14.) Every seven seconds, the  
display will change from one number to the other.  
Arrows in the display will indicate which number is  
currently shown.  
position. Note: Each  
time the walking belt is  
stopped, the speed  
control must be moved  
to the RESET position  
before the walking belt  
can be restarted.  
Note: The displays can be reset by pressing the  
ON/RESET button.  
Start the walking belt.  
3
4
When you are finished exercising, stop the  
walking belt and remove the key.  
6
After you have moved the speed control to the  
RESET position, slide it slowly upward until the  
walking belt begins to move at slow speed.  
Carefully step onto the walking belt and begin ex-  
ercising. Change the speed of the walking belt as  
desired by sliding the speed control.  
Step onto the foot  
rails, stop the walking  
belt, and remove the  
key from the console.  
Store the key in a se-  
To stop the walking belt, step onto the foot rails  
and slide the speed control to the RESET position.  
cure place. After the  
key is removed, the  
displays will remain on for about five minutes.  
Change the incline of the treadmill, if desired.  
Note: Any time that the walking belt is stopped  
and no console buttons are pressed for five  
minutes, the displays will automatically turn off.  
To change the incline  
of the treadmill, hold  
down the top or bottom  
of the incline control.  
Important: Change  
HOW TO USE THE UPPER BODY ARMS  
the incline of the  
treadmill only with  
the incline control.  
Do not place objects  
under the treadmill to change the incline.  
As you exercise on  
Upper Body  
the treadmill, you  
Arms  
can hold either the  
handrails or the  
upper body arms.  
The upper body  
arms are designed  
to exercise your  
arms, shoulders,  
Follow your progress with the four monitor  
displays.  
5
The TIME display—  
This display shows the  
total time that you have  
walked or run on the  
treadmill.  
Resistance  
Knobs  
and back for a total  
body workout. Hold  
one upper body  
arm with each  
hand, and move  
them forward and  
back as you walk  
on the treadmill.  
The DISTANCE  
display—This display  
shows the total distance  
that you have walked or  
run, in miles.  
To vary the intensity of your upper body exercise, the  
resistance of the upper body arms can be adjusted. To  
increase the resistance, turn the resistance knobs clock-  
wise; to decrease the resistance, turn the knobs coun-  
terclockwise.  
The SPEED display—  
This display shows the  
speed of the walking belt,  
in miles per hour.  
9
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HOW TO FOLD AND MOVE THE TREADMILL  
HOW TO FOLD THE TREADMILL FOR STORAGE  
Unplug the power cord. Caution: You must be able to  
safely lift 45 pounds (20 kg) in order to raise, lower, or  
move the treadmill.  
1. Hold the treadmill with your hands in the locations shown  
at the right. Caution: To decrease the possibility of in-  
jury, bend your legs and keep your back straight. As  
you raise the treadmill, make sure to lift with your legs  
rather than your back. Raise the treadmill about halfway  
to the vertical position.  
2. Move your right hand to the position shown and hold the  
treadmill firmly. Raise the treadmill until the storage latch  
closes over the catch. Make sure that the storage latch  
is fully engaged over the catch.  
To protect the floor or carpet from damage, place a  
mat under the treadmill. Keep the treadmill out of  
direct sunlight. Do not leave the treadmill in the stor-  
age position in temperatures above 85° Fahrenheit.  
Closed  
Storage  
Latch  
Catch  
HOW TO MOVE THE TREADMILL  
Before moving the treadmill, convert the treadmill to the stor-  
age position as described above. Make sure that the stor-  
age latch is closed fully over the catch.  
1. Hold the handrails and place one foot on the base as  
shown.  
2. Tilt the treadmill back until it rolls freely on the front wheels.  
Carefully move the treadmill to the desired location. Never  
move the treadmill without tipping it back, or the base  
pads may come off. To reduce the risk of injury, use  
extreme caution while moving the treadmill. Do not at-  
tempt to move the treadmill over an uneven surface.  
Base  
3. Place one foot on the base, and carefully lower the tread-  
mill until it is resting in the storage position.  
Front Wheels  
10  
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HOW TO LOWER THE TREADMILL FOR USE  
1. Hold the upper end of the treadmill with your right hand as  
shown. Using your left thumb, press the storage latch and  
hold it. Pivot the treadmill until the frame and foot rail are  
past the storage latch.  
Opened  
Storage  
Latch  
2. Hold the treadmill firmly with both hands, and lower the  
treadmill to the floor. Caution: To decrease the possibil-  
ity of injury, bend your legs and keep your back  
straight.  
MAINTENANCE AND TROUBLE-SHOOTING  
Most treadmill problems can be solved by following the simple steps below. If further assistance is  
needed, call our toll-free HELPLINE at 1-800-736-6879, Monday through Saturday, 7 a.m. until 7 p.m.  
Central Time (excluding holidays).  
PROBLEM: The power does not turn on  
SOLUTION: a. Make sure that the power cord is plugged into a surge suppressor, and that the surge suppressor  
is plugged into a properly grounded outlet (see page 7). Use only a single-outlet surge suppressor  
that is UL 1449 listed as a transient voltage surge suppressor (TVSS). The surge suppressor  
must have a UL suppressed voltage rating of 400 volts or less and a minimum surge dissipation of  
450 joules. The surge suppressor must be electrically rated for 120 volts AC and 15 amps.  
b. After the power cord has been plugged in, make sure that the key is fully inserted into the con-  
sole. (See step 1 on page 8.)  
11  
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c. Check the circuit breaker located on the treadmill  
near the power cord. If the switch protrudes as  
shown, the circuit breaker has tripped. To reset the  
circuit breaker, wait for five minutes and then press  
the switch back in.  
c
Tripped  
Reset  
PROBLEM: The power turns off during use  
SOLUTION: a. Check the circuit breaker located on the treadmill frame near the power cord (see 1. c. above). If  
the circuit breaker has tripped, wait for five minutes and then press the switch back in.  
b. Make sure that the power cord is plugged in.  
c. Remove the key from the console. Reinsert the key fully into the console. (See step 1 on page 8.)  
d. If the treadmill still will not run, please call our toll-free HELPLINE.  
PROBLEM: The displays of the console do not function properly  
SOLUTION: a. Check the batteries in the console. See BATTERY INSTALLATION on page 8. Most problems are  
the result of drained batteries.  
b. Remove the six screws from the hood. Carefully re-  
move the hood. Locate the Reed Switch (86) and the  
1/8”  
86  
Magnet (87) on the left side of the Pulley (85). Turn  
the Pulley until the Magnet is aligned with the Reed  
Switch. Make sure that the gap between the  
Magnet and the Reed Switch is about 1/8”. If nec-  
essary, loosen the Screw (35) and move the Reed  
Switch slightly. Retighten the Screw. Re-attach the  
hood, and run the treadmill for a few minutes to check  
for a correct speed reading.  
85  
87  
35  
Top  
View  
PROBLEM: The walking belt slows when walked on  
SOLUTION: a. Use only a single-outlet surge suppressor that is UL 1449 listed as a transient voltage surge sup-  
pressor (TVSS). The surge suppressor must have a UL suppressed voltage rating of 400 volts or  
less and a minimum surge dissipation of 450 joules. The surge suppressor must be electrically  
rated for 120 volts AC and 15 amps.  
b. If the walking belt is overtightened, treadmill perfor-  
b
3”–4”  
mance may decrease and the walking belt may be  
permanently damaged. Remove the key and UN-  
PLUG THE POWER CORD. Using the allen wrench,  
turn both rear roller adjustment bolts counterclock-  
wise, 1/4 of a turn. When the walking belt is properly  
tightened, you should be able to lift each side of the  
walking belt 3 to 4 inches off the walking platform. Be  
careful to keep the walking belt centered. Plug in the  
power cord, insert the key and run the treadmill for a  
few minutes. Repeat until the walking belt is properly  
tightened.  
Rear Roller Adjustment Bolts  
c. If the walking belt still slows when walked on, please call our toll-free HELPLINE.  
12  
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PROBLEM: The walking belt is off-center when walked on  
SOLUTION: a. If the walking belt has shifted to the left, first remove  
the key and UNPLUG THE POWER CORD. Using  
the allen wrench, turn the left rear roller adjustment  
bolt clockwise, and the right bolt counterclockwise,  
1/4 of a turn each. Be careful not to overtighten the  
walking belt. Plug in the power cord, insert the key  
and run the treadmill for a few minutes. Repeat until  
the walking belt is centered.  
a
b. If the walking belt has shifted to the right, first remove  
the key and UNPLUG THE POWER CORD. Using  
the allen wrench, turn the left rear roller adjustment  
bolt counterclockwise, and the right bolt clockwise,  
1/4 of a turn each. Be careful not to overtighten the  
walking belt. Plug in the power cord, insert the key  
and run the treadmill for a few minutes. Repeat until  
the walking belt is centered.  
b
PROBLEM: The walking belt slips when walked on  
SOLUTION: a. If the walking belt slips when walked on, first remove  
the key and UNPLUG THE POWER CORD. Using  
the allen wrench, turn both rear roller adjustment  
bolts clockwise, 1/4 of a turn. When the walking belt  
is correctly tightened, you should be able to lift each  
side of the walking belt 3 to 4 inches off the walking  
platform. Be careful to keep the walking belt centered.  
Plug in the power cord, insert the key and carefully  
walk on the treadmill for a few minutes. Repeat until  
the walking belt is properly tightened.  
a
PROBLEM: One of the upper body arms squeaks during use  
SOLUTION: a. Correcting this problem requires a small amount of white marine grease, available at most  
hardware stores.  
Turn the Resistance Knob (61) counterclockwise until  
96  
it can be removed. Remove the Resistance Cone (98)  
and the Upper Body Arm (94), along with the 3/8”  
Washers (99), Spring Washer (101), Thrust Washers  
(100), and Thrust Bearing (91). (Note: If the  
Resistance Sleeve [97] comes out of the Resistance  
Bracket [96], press it back in.) Apply a thin layer of  
white marine grease to the outer surface of the  
Resistance Cone (98). Reattach all parts in the order  
shown at the right.  
94  
97  
98  
100  
101  
61  
99  
91  
99  
13  
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CONDITIONING GUIDELINES  
heart rate is near one of the lower two numbers in your  
training zone. It may also be helpful to set the speed  
control on the console to FAT BURN to help you main-  
tain the proper intensity level. (See page 9.)  
WARNING:  
Before beginning  
this or any exercise program, consult your  
physician. This is especially important for in-  
dividuals over the age of 35 or individuals  
with pre-existing health problems.  
Aerobic Exercise  
If your goal is to strengthen your cardiovascular sys-  
tem, your exercise must be “aerobic.” Aerobic exercise  
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 speed and incline of the treadmill until your  
heart rate is near the higher number in your training  
zone. It may also be helpful to set the speed control on  
the console to AEROBIC to help you maintain the  
proper intensity level. (See page 9.)  
The following guidelines will help you to plan your ex-  
ercise program. Remember—these are general guide-  
lines only. For more detailed exercise information, ob-  
tain a reputable book or consult your physician.  
EXERCISE INTENSITY  
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 recommended  
heart rates for fat burning and aerobic exercise.  
High Performance Athletic Conditioning  
If your goal is high performance athletic conditioning,  
set the speed control on the console to PERFOR-  
MANCE to help you maintain the proper intensity level.  
(See page 9.) Note: During the first few weeks of your  
exercise program, keep your heart rate near the low  
end of your training zone.  
HOW TO MEA-  
SURE YOUR  
HEART RATE  
To measure your  
heart rate, stop  
exercising and  
place two fingers  
on your wrist as  
shown. Take a  
six-second heart-  
beat count, and  
To find the proper heart rate for you, first find your age  
on the left side of the chart (ages are rounded off to  
the nearest ten years). Next, find the three numbers to  
the right of your age. The three numbers are your  
“training zone.” The lower two numbers are recom-  
mended heart rates for fat burning; the higher number  
is the recommended heart rate for aerobic exercise.  
multiply the result by ten to find your heart rate. (A six-  
second count is used because your heart rate drops  
quickly when you stop exercising.) If your heart rate is  
too high or too low, adjust the speed or incline of the  
treadmill accordingly.  
WORKOUT GUIDELINES  
Fat Burning  
Each workout should include the following three parts:  
To burn fat effectively, you must exercise at a relatively  
low intensity level for a sustained period of time. During  
the first few minutes of exercise, your body uses easily  
accessible carbohydrate calories for energy. Only after  
the first few minutes does your body begin to use  
stored fat calories for energy. If your goal is to burn fat,  
adjust the speed and incline of the treadmill until your  
Warming Up  
Start each workout with 5 to 10 minutes of stretching  
and light exercise. A proper warm-up increases your  
body temperature, heart rate, and circulation in prepa-  
ration for exercise.  
14  
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Training Zone Exercise  
muscles and will help to prevent post-exercise  
problems.  
After warming up, increase the intensity of your exer-  
cise until your heart rate is in your training zone for 20  
to 60 minutes. (During the first few weeks of your exer-  
cise program, do not keep your heart rate in your train-  
ing zone for longer than 20 minutes.)  
Exercise Frequency  
To maintain or improve your condition, complete three  
workouts each week, with at least one day of rest be-  
tween workouts. After a few months of regular exer-  
cise, you may complete up to five workouts each week  
if desired. The key to success is to make exercise a  
regular and enjoyable part of your everyday life.  
Cooling Down  
Finish each workout with 5 to 10 minutes of stretching  
to cool down. This will increase the flexibility of your  
SUGGESTED STRETCHES  
The correct form for several basic stretches is described  
below. Move slowly as you stretch—never bounce.  
1
1. Toe Touch Stretch  
Stand with your knees bent slightly and slowly bend forward  
from your hips. Allow your back and shoulders to relax as you  
reach down toward your toes as far as possible. Hold for 15  
counts, then relax. Repeat 3 times. Stretches: Hamstrings,  
back of knees and back.  
2
2. Hamstring Stretch  
Sit with one leg extended. Bring the sole of the opposite foot  
toward you and rest it against the inner thigh of your extended  
leg. Reach toward your toes as far as possible. Hold for 15  
counts, then relax. Repeat 3 times for each leg. Stretches:  
Hamstrings, lower back and groin.  
3
3. Calf/Achilles Stretch  
With one leg in front of the other, reach forward and place your  
hands against a wall. Keep your back leg straight and your  
back foot flat on the floor. Bend your front leg, lean forward and  
move your hips toward the wall. Hold for 15 counts, then relax.  
Repeat 3 times for each leg. To cause further stretching of the  
achilles tendons, bend your back leg as well. Stretches:  
Calves, achilles tendons and ankles.  
4
4. Quadriceps Stretch  
With one hand against a wall for balance, reach back and  
grasp one foot with your other hand. Bring your heel as close  
to your buttocks as possible. Hold for 15 counts, then relax.  
Repeat 3 times for each leg. Stretches: Quadriceps and hip  
muscles.  
5
5. Inner Thigh Stretch  
Sit with the soles of your feet together and your knees outward.  
Pull your feet toward your groin area as far as possible. Hold  
for 15 counts, then relax. Repeat 3 times. Stretches:  
Quadriceps and hip muscles.  
15  
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PART LIST—Model No. 831.297390  
R0498A  
Key No. Qty.  
Description  
Key No. Qty.  
Description  
1
2
3
4
5
6
7
8
1
1
2
1
4
1
1
1
1
1
1
1
7
1
2
7
1
1
1
1
1
5
1
1
1
1
2
1
1
10  
1
1
2
2
34  
4
2
2
1
1
2
1
1
1
2
4
12  
1
1
2
1
1
5
1
1
4
Key/Clip  
Left Handrail  
Cage Nut  
57  
58  
59  
60  
61  
62  
63  
64  
65  
66  
67  
68  
69  
70  
71  
72  
73  
74  
75  
76  
77  
78  
79  
80  
81  
82  
83  
84  
85  
86  
87  
88  
89  
90  
91  
92  
93  
94  
95  
96  
97  
98  
99  
100  
101  
102  
#
2
1
1
1
2
2
6
2
2
2
2
1
1
2
2
1
1
1
1
1
4
1
1
1
1
1
1
1
1
1
1
1
2
1
2
4
2
1
2
2
2
2
4
4
2
1
1
1
1
1
1
1
Flange Nut  
Incline Wire Harness  
Right Upper Body Arm w/Foam  
Incline Extension  
Resistance Knob  
Solid Isolator  
Incline Nut  
Incline Wheel Bolt  
Incline Wheel  
Incline Wheel Nut  
Upright Plug  
Ground Wire  
Incline Leg  
Base Plug  
Rear Roller Adj. Bolt  
Rear Roller Endcap  
Allen Wrench  
Adhesive Clip  
Left Foot Rail  
Rear Roller  
Platform Screw  
Latch Catch  
Walking Platform  
Walking Belt  
Front Roller Adjustment Bolt  
Shock  
Right Foot Rail  
Sensor Clip  
Front Roller/Pulley  
Reed Switch  
Magnet  
Strain Relief Clip  
3 1/2” Handrail Bolt  
Frame  
Thrust Bearing  
Resistance Bracket Bolt  
Foam Grip  
Left Upper Body Arm w/Foam  
Resistance Bolt  
Resistance Bracket  
Resistance Sleeve  
Resistance Cone  
3/8” Washer  
Incline Control  
Rear Isolator Screw  
Console Base  
Speed Control Knob  
Speed Potentiometer  
Battery Cover  
Incline Motor  
Console Assembly  
Storage Latch  
1/2” Screw  
9
10  
11*  
12  
13  
14  
15  
16  
17  
18  
19*  
20  
21  
22  
23  
24  
25  
26  
27  
28  
29  
30  
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  
Upright/Base  
Handrail Bolt  
Handrail Washer  
Motor Belt  
Motor Swivel Nut  
Motor/Pulley/Flywheel/Fan  
Pulley/Flywheel/Fan  
Motor  
Motor Tension Bolt/Incline Bolt  
Motor Tension Washer  
Motor Tension Star Washer  
Motor Swivel Bolt  
Wire Harness  
Ground Wire Screw  
Hood  
Hood Shield  
Screw  
Latch Decal  
Right Handrail  
Frame Pivot Bolt  
Extension Leg Screw  
Electronics Screw  
Base Pad  
Wheel Bolt  
Wheel  
4” Cable Tie  
Controller  
Extension Leg  
Circuit Breaker  
Power Cord Grommet  
Power Cord  
Upright Spacer  
Isolator  
Belly Pan Fastener  
Choke  
Motor Locknut  
Belt Guide  
Thrust Washer  
Spring Washer  
Console Base Plug  
14” White Wire, Pig Tail  
8” Blue Wire, Pig Tail  
8” Blue Wire, Male/Female  
9” Black Wire, Male/Female  
8” Red Wire, Male/Female  
User’s Manual  
#
#
#
#
Belly Pan  
Releasable Tie  
Cable Tie Clamp  
Motor Belly Pan  
11 1/2” Cable Tie  
8” Cable Tie  
#
* Includes all parts shown in the box  
# These parts are not illustrated  
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EXPLODED DRAWING—Model No. 831.297390  
R0498A  
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The model number and serial number of your SEARS®  
LIFESTYLER EXPANSE 850 treadmill are listed on a decal  
attached to the treadmill. See the front cover of this manual to find  
the location of the decal.  
Model No. 831.297390  
QUESTIONS?  
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.  
If you find that:  
• you need help assembling or  
operating the PROFORM®  
CROSSWALK GT  
When requesting help or service, or ordering parts, please be  
prepared to provide the following information:  
• a part is missing  
• The NAME OF THE PRODUCT (PROFORM® CROSSWALK GT  
treadmill)  
• you need to schedule repair  
service  
call our toll-free HELPLINE  
• The MODEL NUMBER OF THE PRODUCT (831.297390)  
1-800-736-6879  
Monday–Saturday, 7 am–7 pm  
Central Time (excluding holidays)  
• The KEY NUMBER AND DESCRIPTION OF THE PART (see  
the EXPLODED DRAWING and PART LIST included in this  
manual)  
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 TREADMILL EXERCISER, contact the nearest SEARS Service Center throughout the United  
States and SEARS will repair or replace the TREADMILL EXERCISER, free of charge.  
This warranty does not apply when the TREADMILL EXERCISER is used commercially or for rental pur-  
poses.  
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. 139540 G03415AC R0498A  
Printed in USA © 1998 Sears, Roebuck and Co.  
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