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CAUTION

Read all precautions and instruc-

tions in this manual before using

this equipment. Keep this manual

for future reference.

Serial

Number

Decal

Model No. 831.21520.0

Serial No. 

• Assembly
• Operation
• Maintenance
• Part List and Drawing

Sears, Roebuck and Co., Hoffman Estates, IL 60179

BIKE EXERCISER 

User’s Manual

Summary of Contents for 831.21520.0

Page 1: ...s manual before using this equipment Keep this manual for future reference Serial Number Decal Model No 831 21520 0 Serial No Assembly Operation Maintenance Part List and Drawing Sears Roebuck and Co...

Page 2: ...250 pounds 8 Wear appropriate clothes when exercising do not wear loose clothes that could become caught on the exercise cycle Always wear athletic shoes for foot protection 9 The pulse sensor is not...

Page 3: ...le If you have questions after reading this manual please call 1 800 4 MY HOME 1 800 469 4663 To help us assist you please note the product model number and serial number before calling The model numb...

Page 4: ...is the key number of the part from the PART LIST on page 14 The number following the key number is the quantity needed for assembly Note Some small parts may have been pre assembled If a part is not i...

Page 5: ...the Stabilizers 2 5 2 64 65 1 65 66 20 9 4 Attach the Left and Right Seat Brackets 52 53 to the Seat Frame 5 with two M8 x 115mm Bolts 57 four M8 Washers 14 and two M8 Nylon Locknuts 10 as shown Do no...

Page 6: ...rest 54 to the Seat Brackets 52 53 with four M6 x 30mm Screws 60 and four M6 Washers 61 See step 4 Tighten the two M8 Nylon Locknuts 10 52 53 62 63 50 50 5 5 Attach a Seat Handle 50 to the round tube...

Page 7: ...C Using pliers squeeze the prongs on the upper end of the metal bracket together Push the excess wire and cable down into the Frame 1 and slide the Upright 13 onto the Frame Be care ful to avoid pinc...

Page 8: ...eat Frame Seat Resistance Knob 11 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 21 Tight...

Page 9: ...ies in the console see BATTERY REPLACEMENT on page 11 If there is a sheet of clear plastic on the console remove it Follow the steps below to operate the console 1 To turn on the console press the ON...

Page 10: ...your thumb off the pulse sensor for a few seconds Then place your thumb on the pulse sensor as described above Make sure that you are applying the proper amount of pressure to the pulse sensor Try th...

Page 11: ...REED SWITCH If the console does not display correct feedback the reed switch should be adjusted To adjust the reed switch you must first remove the Left Side Shield 17 Using an adjustable wrench turn...

Page 12: ...cise Aerobic Exercise If your goal is to strengthen your cardiovascular sys tem your exercise must be aerobic Aerobic exer cise is activity that requires large amounts of oxygen for prolonged periods...

Page 13: ...chilles 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 a...

Page 14: ...4 M8 Split Washer 43 1 Reed Switch Wire 44 1 Crank Bearing Set 45 1 Lower Cable 46 1 Resistance Cable 47 1 Return Spring 48 1 Spring 49 8 M4 x 16mm Screw 50 2 Seat Handle 51 1 Inner Frame Bushing 52...

Page 15: ...28 10 31 32 28 40 23 38 21 24 26 44 29 17 41 41 49 49 7 7 7 34 55 55 50 52 53 50 55 55 56 51 54 8 8 10 61 60 10 63 60 61 62 60 57 60 63 62 60 61 60 42 42 65 65 66 66 64 14 14 14 63 61 60 61 61 61 70...

Page 16: ...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 co...

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