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Safety Precautions and Tips

It is the owner's responsibility to ensure that all users 

of this exercise unit have read the Owner's Manual and 
are familiar with warnings and safety precautions.

• This exercise unit has a user maximum capacity of 275

pounds.

• The CardioMax Elliptical Trainer should only be used on a

level surface and is intended for indoor use only. It should
not be placed in a garage, patio or near water. Keys recom-
mends an exercise equipment mat be placed under the unit
to protect the floor or carpet and for easier cleaning.

• Wear comfortable, good-quality walking or running shoes 

and appropriate clothing. Do not use this exercise unit with
bare feet, sandals, socks or stockings!

• Always examine your unit before using to ensure all parts

are in working order.

• Do not leave children unsupervised near or on the 

exercise unit.

• Never operate the exercise bicycle where oxygen is being

administered or where aerosol products are being used.

• Never insert any object or body parts into any opening.

• Service to your CardioMax exercise unit should only be per-

formed by an authorized service representative, unless
authorized and/or instructed by a Keys technician. Failure to
follow these instructions will void the warranty

Before You Start

Thank you for purchasing a Keys exercise unit! This quality

product you have chosen was designed to meet your needs for
cardiovascular exercise.

Prior to assembly, remove components from the box and

verify that all the listed parts were supplied. Assembly
instructions are described in the following steps and illustra-
tions.

Important Safety Information

WARNING!

1) Before using this exercise unit or starting any exercise 

program, consult your physician. This is especially impor-
tant for persons over the age of 35 and/or persons with 
pre-existing health problems. Keys Fitness Products LP
assumes no responsibility for personal injury or property
damage sustained by or through the use of this product.

2) To reduce the risk of electrical shock, burns, fire or other

possible injuries to the user, it is important to review 
this manual and the following precautions before operation.

Summary of Contents for CardioMax ET520D

Page 1: ...ntral Time OWNERS MANUAL Keys Fitness Products L P P O Box 551239 Dallas Texas 75355 1239 CAUTION Please read the precautions and instructions in this manual before using this equipment Please save this manu al for future reference QUESTIONS Call Our To l l F r e e Keys Fitness Helpline 1 888 340 0482 CardioMax ET520D ...

Page 2: ...ped or returned You assume the risk of loss during shipment You must present Keys with proof of purchase docu ments including the date of purchase Any evidence of alteration erasing or forgery of proof of purchase documents will be cause to void this Limited Warranty This warranty does not extend to any product not purchased from Keys or from an authorized Keys reseller This Limited Warranty does ...

Page 3: ...sert any object or body parts into any opening Service to your CardioMax exercise unit should only be per formed by an authorized service representative unless authorized and or instructed by a Keys technician Failure to follow these instructions will void the warranty Before You Start Thank you for purchasing a Keys exercise unit This quality product you have chosen was designed to meet your need...

Page 4: ...LY PARTS ASSEMBLY ACCESSORIES 4 5 Main Frame Handlebars Handlebars Post Front Stabilizer Handlebar Sleves Foot Pedal Mount Tubes Computer Console Rear Stabilizer Tension Knob 1 24 38 67L R 10 57 29 54 64 L R ...

Page 5: ...arriage Screws 26 Cap Nuts 28 and Arc Washers 27 Assembly of CardioMax Dual Action Elliptical Trainer REMOVE ALL SECURITY TAPE AND WRAPPING BEFORE BEGINNING 1 Attach Front Stabilizer 24 onto the Main Frame 1 using Carriage Screws 26 Cap Nuts 28 and Arc Washers 27 1 2 ...

Page 6: ...e 1 Slide the Tension Cord 53 up into the Handlebar Post 38 Connect the Handlebar Post 38 to the Main Frame 1 using Screws 52 and Washers 27 3 4 8 9 3 Slide the Bolts 12 13 through the hole of the Foot Pedal Mount Tubes 10 and screw into the Crank 7 Must screw on counter clockwise Secure both Bolts 12 13 with Nuts 6a 6b Do not forget to place the Plastic Spacer 9 in first See 3a above ...

Page 7: ...he Tension Controller cable into the gap of the bracket 11 6 Connect the Left Handlebar 64L to the Left Handlebar Sleeve 67L with Bolts 69 Washers 70 and Cap Nuts 71 Then slide the entire Left Handlebar Assembly onto the Handlebar Post 38 and secure with Washer 72 and Nut 6a Once tightened slide on the Plastic Cap 73 to cover the nut Attach the Left Connect Tube 74L to the bottom of the Left Handl...

Page 8: ...TM8 60 2 33 MAGNETIC PLATE 1 34 MAGNETIC SPRING 1 35 IDLER SPRING 1 NO PART QTY 36 HEX BOLT 3 8 26 2 37 WASHER 1 38 IDLER ARM 1 39 NYLOCK NUT 3 8 1 40 IDLER WHEEL SPACER 1 41 IDLER WHEEL 1 42 TENSION SPRING 1 43 WASHER 1 44 NYLOCK NUT M10 1 45 SENSOR WIRE 1 46 SCREW M3 10 1 47 SEAT ADJUSTMENT KNOB 1 48 PORT SUPPORT BUSHING 1 49 SEAT POST 1 50 NYLOCK NUT M8 3 51 ARC WASHER 3 52 SEAT 1 53 NUT M8 1 5...

Page 9: ...ions as seen in the screen with each touch until you reach the desired menu Reset Erase Hold the button down until the values reach 00 approx 4 Sec Auto ON OFF Function The computer starts automatically when you begin training Individual Functions Time Indicates elapsed time after pressing start in minutes and seconds 0 99 minutes 0 59 seconds Speed Indicates MPH miles per hour Distance Displays t...

Page 10: ... minutes into your cool down to accurately track your progress as it relates to better fitness During your first several months of exercising the AHA recommends aiming for the lower part of the target heart rate zone 60 then gradually progressing up to 75 According to the AHA exercising above 75 of your maxi mum heart rate may be too strenuous unless you are in top physi cal condition Exercising b...

Page 11: ...ss Safety The target heart rate chart indicates average rate zones for different ages A variety of different factors including medication emotional state temperature and other conditions can affect the target heart rate zone that is best for you Your physician or health care professional can help you determine the exercise intensity that is appropriate for your age and condition MHR Maximum Heart ...

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