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Model No. 831.21521.0
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. Sears, Roebuck and Co., Hoffman Estates, IL 60179
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TABLE OF CONTENTS IMPORTANT PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2 BEFORE YOU BEGIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3 ASSEMBLY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4 HOW T
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BEFORE YOU BEGIN ® Congratulations for selecting the new PROFORM GR after reading this manual, please call 1-800-4-MY- ® 80 exercise cycle. Cycling is one of the most effective HOME (1-800-469-4663). To help us assist you, exercises for increasing cardiovascular fitness, building please note the product model number and serial endurance, and toning the body. The GR 80 exercise number before calling. The model number is cycle offers a selection of features designed to let you 831.21521.0. The ser
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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. The number in parentheses below each drawing is the key number of the part, from t
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1. While another person lifts the front of the Frame (1) 1 slightly, attach the Front Stabilizer (3) to the Frame 3 51 with two M10 x 75mm Carriage Bolts (51) and two M10 Nylon Locknuts (63). See the inset drawing. Loosen the Adjustment Knob 1 (17), slide the Rear Frame (2) out of the Frame (1), and then retighten the Adjustment Knob. Note: After the exercise cycle is assembled, adjust the 17 63 Seat (not shown) to the proper position. As you pedal, there should be a slight bend in your knees
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5. Have another person hold the Seat Frames (7) under 5 the Rear Frame (2) as shown. Attach the Seat Frames 12 and the Seat (12) to the Rear Frame with four M6 x 42mm Button Screws (49) and four M6 Washers (55). See step 3. Tighten the two M8 x 70mm Button Bolts (54). 2 See step 4. Tighten the four M6 x 38mm Button Screws (48). 55 7 55 49 55 49 6. The Console (16) requires four D batteries (not includ- 6 ed); alkaline batteries are recommended. Press the 16 tab on the battery door and remove it.
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8. Connect the Upper Wire Harness (36) to the Lower 8 Wire Harness (65). Attach the Upright (13) to the Frame (1) with three M8 x 25mm Button Screws (33) and three M8 Split Washers (59). Be careful to avoid pinching the Wire Harnesses. 13 36 65 33 33 59 59 1 33 9. Identify the Left Pedal (24), which is marked with an 9 “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) clock- 31 wise into the ri
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HOW TO OPERATE THE EXERCISE CYCLE Fan Program Increase Button Profiles Button Program/Manual Program Display Pace Decrease Button Indicator Guide Button FEATURES OF THE CONSOLE HOW TO USE THE MANUAL MODE The advanced console offers a selection of features designed to make your workouts more enjoyable and Turn on the console. 1 effective. When the manual mode of the console is selected, the resistance of the pedals can be changed To turn on the console, press the Increase button with the touch of
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Next, hold the handgrip pulse sensor with your Monitor your progress with the display. 4 palms resting on the contacts. When your pulse is detected, the heart-shaped indicator in the The upper half of lower half of the display will flash each time your the display will heart beats, and your heart rate will be shown. show the elapsed time, the distance For the most accurate heart rate reading, continue you have pedaled, to hold the handgrip pulse sensor for about 30 and the resistance seconds.
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Begin pedaling to start the program. HOW TO USE A PULSE PROGRAM 5 Pulse program 1 is 30 minutes long, and is divided into several time periods of different Pulse program 1 is designed to keep your heart rate lengths. One target heart rate is programmed for within a set range during your workout. Pulse program each period. Pulse program 2 is sixty minutes 2 is designed to keep your heart rate near a target long (you may choose to use only part of the pro- heart rate setting that you select. gram
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Turn on the fan if desired. automatically change to the resistance level that 7 is programmed for the next period. Note: If the See step 6 on page 9. resistance level is too high or too low, you can override it by pressing the Increase and When you are finished exercising, the console Decrease buttons. However, when the current 8 will automatically turn off. period ends, the resistance level will automatical- ly change if a different resistance level is pro- See step 7 on page 9. grammed for the
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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). small amount of liquid dish soap. Important: To Slide the Reed Switch slightly closer to or away fr
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CONDITIONING GUIDELINES The following guidelines will help you to plan your During the first few minutes of exercise, your body exercise program. Remember that proper nutrition uses easily accessible carbohydrate calories for ener- and adequate rest are essential for successful results. 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 lo
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PART LIST—Model No. 831.21521.0 R0405A Key No. Qty. Description Key No. Qty. Description 1 1 Frame 35 1 Crank Bearing Assembly 2 1 Rear Frame 36 1 Upper Wire Harness 3 1 Front Stabilizer 37 2 Bearing 4 1 Rear Stabilizer 38 1 Magnet 5 1 Backrest 39 2 Tension Bolt 6 1 Handlebar 40 1 Tension Bracket 7 2 Seat Frame 41 1 M8 Washer 8 1 Seat Frame Top 42 1 Flywheel Washer 9 1 Left Side Shield 43 1 Reed Switch/Wire 10 1 Right Side Shield 44 2 Handlebar Endcap 11 2 Stabilizer Endcap 45 3 M4 x 25mm Screw
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EXPLODED DRAWING—Model No. 831.21521.0 R0405A 8 44 55 54 7 5 59 48 54 59 57 44 55 57 48 10 6 60 57 55 12 49 57 9 55 55 45 49 49 55 49 21 57 57 19 50 63 2 60 4 18 16 63 51 33 59 18 52 59 60 33 19 52 11 36 3 13 51 22 63 57 29 35 42 65 37 34 43 57 61 58 11 39 57 37 40 58 53 62 28 35 39 27 1 41 17 30 61 62 31 32 50 47 38 20 23 46 25 14 60 61 26 45 15 61 24 56 64 15
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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.
