Pro-Form GR 80 User Manual
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Pro-Form GR 80 User Manual

Model no. 831.21521.2
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Model No. 831.21521.2
Serial No.
• Assembly
• Operation
• Maintenance
• Part List and Drawing
CAUTION
Read all precautions and instruc-
tions in this manual before using
this equipment. Keep this manual
for future reference.
Serial
Number
Decal
Sears, Roebuck and Co., Hoffman Estates, IL 60179
BIKE EXERCISER
User's Manual

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Summary of Contents for Pro-Form GR 80

  • Page 1 Model No. 831.21521.2 Serial No. BIKE EXERCISER User’s Manual Serial Number Decal • Assembly • Operation • Maintenance • Part List and Drawing CAUTION Read all precautions and instruc- tions in this manual before using this equipment. Keep this manual for future reference.

  • Page 2: Table Of Contents

    TABLE OF CONTENTS WARNING DECAL PLACEMENT ............. .2 IMPORTANT PRECAUTIONS .

  • Page 3: Important Precautions

    IMPORTANT PRECAUTIONS WARNING: To reduce the risk of serious injury, read all important precautions and instructions in this manual and all warnings on your exercise cycle before using your exercise cycle. Sears assumes no responsibility for personal injury or property damage sustained by or through the use of this product.

  • Page 4: Before You Begin

    The GR 80 exer- us. The model number and the location of the serial cise cycle offers a selection of features designed to let...

  • Page 5: Assembly

    ASSEMBLY Assembly requires two persons. 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. In addition to the included tools, assembly requires a Phillips screwdriver and two adjustable wrenches Use the drawings below to identify the small parts used for assembly.
  • Page 6 To make assembly easier, read the information on page 5 before you begin assembling the exercise cycle. While another person lifts the front of the Frame (1) slightly, attach the Front Stabilizer (3) to the Frame with two M10 x 75mm Carriage Bolts (51) and two M10 Nylon Locknuts (63).
  • Page 7 4. Attach the Backrest (5) to the Seat Frame (7) with four M6 x 38mm Button Screws (48) and four M6 Washers (55). Do not tighten the Button Screws yet. 5. Have another person hold the Seat Frame (7) under the Rear Frame (2) as shown.
  • Page 8 6. The Console (16) requires four “D” batteries (not included); alkaline batteries are recommended. IMPORTANT: If the exercise cycle has been exposed to cold temperatures, allow it to warm to room temperature before inserting batteries into the Console. If you do not do this, the con- sole displays or other electronic components Batteries may become damaged.
  • Page 9 9. Identify the Left Pedal (24), which is marked with an “L.” Using an adjustable wrench, firmly tighten the Left Pedal counterclockwise into the left arm of the Crank (31). Tighten the Right Pedal (not shown) clockwise into the right arm of the Crank. IMPOR- TANT: Tighten both Pedals as firmly as possible.

  • Page 10: How To Operate The Exercise Cycle

    HOW TO OPERATE THE EXERCISE CYCLE Increase Program Button Button Profiles Program Pace Program/Manual Display Decrease Indicator Button Guide Button FEATURES OF THE CONSOLE HOW TO USE THE MANUAL MODE The advanced console offers a selection of features 1. Turn on the console. designed to make your workouts more enjoyable and effective.
  • Page 11 4. Monitor your progress with the display. 5. Measure your heart rate if desired. The upper half of If there are sheets the display will show of clear plastic on the elapsed time, the metal contacts the distance you on the handgrip have pedaled, and pulse sensor, the resistance level...
  • Page 12 HOW TO USE A PULSE PROGRAM 5. Begin pedaling to start the program. Pulse program 1 is designed to keep your heart rate Pulse program 1 is 30 minutes long, and is divid- within a set range during your workout. Pulse program ed into several time periods of different lengths.
  • Page 13 7. Turn on the fan if desired. automatically change to the resistance level that is programmed for the next period. Note: If the resis- See step 6 on page 11. tance level is too high or too low, you can override it by pressing the Increase and Decrease buttons.

  • Page 14: Maintenance And Troubleshooting

    MAINTENANCE AND TROUBLESHOOTING Inspect and properly tighten all parts of the exercise With the left side shield removed, locate the Reed cycle regularly. Replace any worn parts immediately. Switch (43). Turn the Crank (31) until the Magnet (38) is aligned with the Reed Switch. Next, loosen, but do To clean the exercise cycle, use a damp cloth and a not remove, the indicated M4 x 16mm Screw (57).

  • Page 15: Exercise Guidelines

    EXERCISE GUIDELINES Burning Fat—To burn fat effectively, you must exer- WARNING: cise at a low intensity level for a sustained period of Before beginning time. During the first few minutes of exercise, your this or any exercise program, consult your body uses carbohydrate calories for energy.
  • Page 16 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.
  • Page 17 NOTES...

  • Page 18: Part List

    PART LIST—Model No. 831.21521.2 R1007A Key No. Qty. Description Key No. Qty. Description Frame Flywheel Rear Frame Crank Bearing Assembly Front Stabilizer Upper Wire Harness Rear Stabilizer Bearing Backrest Magnet Handlebar Tension Bolt Seat Frame Tension Bracket Lower Wire Harness M8 Washer Left Side Shield Flywheel Washer...

  • Page 19: Exploded Drawing

    EXPLODED DRAWING—Model No. 831.21521.2 R1007A...

  • Page 20: 90 Day Full Warranty

    Get it fixed, at your home or ours! Your Home For repair—in your home—of all major brand appliances, lawn and garden equipment, or heating and cooling systems, no matter who made it, no matter who sold it! For the replacement parts, accessories, and user’s manuals that you need to do-it-yourself. For Sears professional installation of home appliances and items like garage door openers and water heaters.

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831.21521.2

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