® Model No. 831.297980 Serial No. Find the serial number in the location shown below. Write the serial number in the space above for reference. Serial Number Decal CAUTION Read all precautions and instructions in this manual before using this equipment. Save this manual for future reference. USER'S MANUAL SEARS, ROEBUCK AND CO.
® TABLE OF CONTENTS IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5 ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
IMPORTANT PRECAUTIONS DANGER: To reduce the risk of burns, fire, electric shock, or injury to persons, read the following important precautions and information before operating the treadmill. 1. It is the responsibility of the owner to ensure that all users of this treadmill are adequately informed of all warnings and precautions. 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. 2.
21. Inspect and tighten all parts of the treadmill regularly. scribed in this manual. Never remove 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. 22. Never drop or insert any object into any opening. 23. DANGER: Always unplug the power 24. This treadmill is intended for in-home use only.
BEFORE YOU BEGIN Thank you for selecting the new PROFORM® J8 treadmill. The J8 treadmill combines advanced technology with innovative design to let you enjoy an excellent form of cardiovascular exercise in the convenience and privacy of your home. And when you’re not exercising, the unique J8 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).
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. No tools are required for assembly. Note: The underside of the treadmill walking belt is coated with high-performance lubricant. During shipping, a small amount of lubricant may be transferred to the top of the walking belt or the shipping carton. This is a normal condition and does not affect treadmill performance.
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 illustrated 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.
CONSOLE DIAGRAM Program Indicators Displays LED Track Displays Program Indicators Manual Indicator Note: If there is a sheet of clear plastic on the face of the console, remove it. Clip Key STEP-BY-STEP CONSOLE OPERATION CAUTION: Before operating the console, read the following precautions. Note: The treadmill console can display speed and distance in either miles or kilometers (see SPEED/ PACE DISPLAY on page 9). For simplicity, all instructions in this section refer to miles.
2 DISTANCE/LAPS display—This display shows the distance that the walking belt has moved and the number of 1/4-mile laps you have completed. The display will alternate between one number and the other every seven seconds; the indicator will light when the number of laps is shown. Select the manual mode. When the key is inserted, the manual Indicator mode will be selected, as shown by the manual indicator.
6 Note: The two AEROBIC programs are twenty minutes long; the four FAT BURN programs are thirty minutes long. The graphs on the sides of the console show how the incline or speed of the treadmill will change during the programs. During the AEROBIC programs, for example, the incline or speed will gradually increase during the first ten minutes and then gradually decrease during the last ten minutes. Each program begins with a warm-up period and ends with a cool-down period.
If the program is too difficult or too easy, the difficulty level of the program can be adjusted. Press the INCLINE ▲ or ▼ button. A number will begin to flash in the TIME/INCLINE display. This number is the maximum incline that the treadmill will reach during the program. Press the INCLINE ▲ or ▼ button repeatedly to change the maximum incline setting.
THE OPTIONAL CHEST PULSE SENSOR THE OPTIONAL HAND WEIGHTS An optional chest pulse sensor adds even more features to the console. The chest pulse sensor offers hands-free operation and continuously monitors your heart rate during your workouts. To purchase the optional chest pulse sensor, please see the back cover of this manual. Optional hand weights let you include upperbody exercise in your workouts. The hand weights fit into convenience holders in the console.
HOW TO MOVE THE TREADMILL Before moving the treadmill, convert the treadmill to the storage position as described above. Make sure that the latch pin is fully inserted into the catch. Book Holder 1. Hold the handrails as shown and place one foot against a wheel. Do not hold or push on the book holder or the book holder may be damaged. 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.
MAINTENANCE AND TROUBLE-SHOOTING Most treadmill problems can be solved by following the simple steps below. Find the symptom that applies, and follow the steps listed. 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). 1. SYMPTOM: THE POWER DOES NOT TURN ON a.
4. SYMPTOM: THE DISPLAYS OF THE CONSOLE DO NOT FUNCTION PROPERLY a. Remove the key from the console and UNPLUG THE POWER CORD. Remove the screws from the hood. Carefully remove the hood. Locate the Reed Switch (26) and the Magnet (107) on the left side of the Pulley (12). 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 necessary, loosen the Reed Switch Screw (109) and move the Reed Switch slightly.
CONDITIONING GUIDELINES Before beginning this or any exercise program, consult your physician. This is especially important for individuals over the age of 35 or individuals with preexisting health problems. 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 heart rate is near the lowest number in your training zone.
SUGGESTED STRETCHES The correct form for several basic stretches is shown at the right. Move slowly as you stretch—never bounce. 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. 1 2. Hamstring Stretch Sit with one leg extended.
PART LIST—Model No. 831.297980 R0399A To identify parts listed below, refer to the EXPLODED DRAWING attached in the center of this manual. Key No. Qty. 1 2 3 4 5 6 7 8 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 2 2 1 1 4 6 6 1 2 2 1 1 28 1 1 1 2 3 4 1 8 1 2 1 1 1 1 1 1 2 2 1 1 1 1 3 1 1 1 1 1 1 2 3 1 1 1 1 1 1 Description Key No. Qty.
Key No. Qty. Description 101* 1 102 32 103 2 104 2 105 4 106 1 107 1 108 1 109 1 110 1 111 2 112 1 113 1 114 1 115 1 116 1 Pulse Bar Screw Pulse Bar Washer Pulse Bar Bolt Upright Endcap Upright Grommet Magnet Incline Motor Spacer Reed Switch Screw Reed Switch Clip Endcap Spacer Optic Switch Nut Optic Switch Washer Optic Switch Bolt Optic Switch Incline Disk Key No. Qty.
76 44 74 72 75 19 69 111 76 63 79 67 44 80 78 83 102 82 74 75 73 111 5 7 19 102 1 72 3 2 63 68 80 8 5 63 100 75 6 28 7 9 67 63 7 10 12 63 107 11 21 110 18 66 102 14 26 17 109 5 65 63 4 7 16 63 102 59 63 39 33 38 25 21 13 21 108 34 37 13 36 35 13 36 EXPLODED DRAWING—Model No. 831.
85 87 86 88 89 91 63 84** 13 105 22 15 77 103 92 104 75 6 75 6 60 27 36 93 95 96 75 6 43 94 97 99 102 105 105 75 6 63 91 101* 31 99 13 99 99 102 102 70 75 6 43 77 102 13 20 106 28 70 102 36 EXPLODED DRAWING—Model No. 831.
The model number and serial number of your PROFORM® J8 treadmill 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. 831.297980 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.