835
Recumbent
OWNER’S MANUAL
QUESTIONS?
Call Our Toll Free
Keys Fitness Helpline
1-888-340-0482
1-888-340-0482
Monday-Friday
8:30-5:30 Central Time
CAUTION!
Please read the precautions and
instructions in this manual before
using this equipment. Please save this
manual for future reference.
Keys Fitness Products, L.P.
P.O. Box 551239
Keys Fitness Products, L.P.
4009 Distribution Dr.
Suite 250
Dallas, Texas 75355-1239
Garland, Texas 75041
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Before You Start
Safety Precautions and Tips
It is the owner's responsibility to ensure that all users
of this exercise bike have read the Owner's Manual and
are familiar with warnings and safety precautions.
Thank you for purchasing a Keys exercise bicycle! 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.
• This exercise bike has a user maximum capacity of
300 pounds.
• The CardioMax Exercise bike 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 equipment mat be placed under the bicycle to
protect the floor or carpet and for easier cleaning.
Important Safety Information
WARNING!
• Wear comfortable, good-quality walking or running shoes
and appropriate clothing. Do not use this exercise bike with
bare feet, sandals, socks or stockings!
1) Before using this exercise bicycle or starting any
exercise program, consult your physician. This is especially
important 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 proper-
ty damage sustained by or through the use of this product.
• Always examine your exercise bike before using to ensure
all parts are in working order.
• Do not leave children unsupervised near or on the
exercise bicycle.
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.
• 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 bike should only be
performed by an authorized service representative, unless
authorized and/or instructed by a Keys technician. Failure to
follow these instructions will void the warranty.
2
3
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ASSEMBLY PARTS
PART
CONSOLE
PART NO.
5
FRONT HANDLEBAR
REAR HANDLEBAR
CONSOLE TUBE
SEAT CUSHIONS
SEAT CARRIAGE
FRAME
23
22
2
9, 10
3
1
FOOT TUBES
PEDALS
FOOT CAPS
WHEELS
CARRIAGE TUBE
SUPPORT TUBE
END CAP
4
30, 31
21
20
16
24
17
5
23
2
10
22
31
9
30
4
16
17
20
3
24
1
21
21
4
4
5
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79
50
22
2a. Attach the rear handlebar (22) to
the seat carriage (3) with the flat
washers (50) and screws (79) pro-
vided. Connect the seat cushions
(9,10) to the seat carriage (3) with
the washers (78) and screws (80).
10
Assembly of CardioMax
835 Recumbent Bike
9
78
80
REMOVE ALL SECURITY TAPE AND WRAPPING
BEFORE BEGINNING.
2a
1. Attach foot tubes (4) to the frame by using the carriage bolts
(44), flat washers (50) and cap nuts ( 45) provided. Make
sure the foot tube with wheels is assembled onto the front of
the unit.
3
78
80
76
16
75
66
66
3
74
57
17
2b
50
1
79
24
45
4
77
82
20
50
45
1
45
50
21
45
50
2b. First remove the support tube (24) from the main frame (1).
Slide the assembled seat carriage tube (16). Re-assemble the
support tube (24). Attach the end cap (17) with screws (57)
and rear carriage tube rubber stopers (66) with bolts (74, 75)
and washer (76).
4
44
21
6
7
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2
31
14
57
56
57
50
49
1
30
3
4
4. Slide the console tube (2) through the console tube collar (14).
Connect the computer cable in the console tube (2) to the
computer cable in the main frame. Connect the tension cable
in the console tube to the tension cable connection in the main
frame. Attach the console tube (2) to the frame (1) with the
locknuts (49), flat washers (50) and screws (56) provided.
Attach the console tube collar (14) to the main frame (1) with
screws (57).
3. Attach pedals (30, 31). Axles of pedals are branded “L” and
“R.” The pedal marked “R” goes on the right hand side of the
bike and the one marked “L” on the left hand side. Tighten
the left pedal by turning counter-clockwise and the right pedal
by turning clockwise.
8
9
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5
5
84
59
50
23
2
49
5
6
5. Connect the computer cable at the top of the console tube (2)
to the console (5). Both computer cable connections have
white ends. Feed the pulse wires from the console (5) down
into the console tube (2) and out the rear hole in the handlebar
area. Attach the console tube (2) to the console (5) with
the screws (59) provided and already attached to back of the
console (5).
6. Attach the pulse wires in the front handlebar (23) to the
wires from the console (5). Connect the front handlebar (23)
to the console tube with the locknuts (49), flat washers (50)
and screws (84) provided. Make sure not to “pinch” any
of the pulse wires when connecting the handlebar to the
console tube.
10
11
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8
7
7. Load your console with the batteries provided. Batteries are 4
8. You have completed the assembly of your new CardioMax bike.
“AA” size.
12
13
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835 RECUMBENT PARTS LIST
NO.
PART
NO.
QTY
PART
QTY
1
2
3
4
5
6
7
8
9
FRAME
1
1
1
2
1
1
1
2
2
1
2
1
1
5
2
1
1
2
1
2
2
2
2
2
2
2
2
1
2
1
1
1
1
1
2
1
2
1
1
2
1
1
2
4
45 M8 CAP NUT
46 M6 LOCKNUT
47 6mm HEX NUT
48 M10 CAP NUT
49 M8 LOCKNUT
50 M8 IDX18.8mm OD14
FLAT WASHER
51 M20X32X2mm WASHER
52 CRANK NUT
53 M8X17mm SCREW
54 M8X38mm SCREW
55 M8X57mm SCREW
56 M8X60mm SCREW
57 TP4X12mm SCREW
58 TP5X50mm SCREW
59 M5X10mm SCREW
60 M6X45 MACHINE SCREW
61 REAR SLEEVE
4
4
2
2
CONSOLE TUBE
SEAT CARRIAGE
FOOT TUBE
CONSOLE
PULLEY
MAG BRAKE
SENSOR
10
14
2
2
1
1
3
3
26
4
4
4
1
2
2
1
1
4
6
6
4
4
2
4
2
2
2
2
2
8
12
SEAT CUSHION
10 BACK SEAT CUSHION
11 BOTTOM LEFT COVER
12 BOTTOM RIGHT COVER
13 TOP COVER
14 CONSOLE TUBE COLLAR
15 CONNECTING COVER
16 CARRIAGE TUBE
17 END CAP
18 ADJUSTING PLATE
19 “V” BELT
20 WHEEL
62 REAR BALL PLUG
63 FRONT BALL PLUG
64 CAM LOCK
21 FOOT CAP
22 REAR HANDLEBAR
23 FRONT HANDLEBAR
24 SUPPORT TUBE
25 HAND PULSE
65 SEAT CARRIAGE BRACKET
66 RUBBER STOPPER
67 SMALL ROLLER
68 M8 WAVED WASHER
69 M13 WAVED WASHER
70 8*13mm BUSHING
71 RETAINING RING
72 8*34mm SCREW
73 BIASED 8*34mm SCREW
74 11*58mm SCREW
75 M6x15mm SCREW
76 6x13mm WASHER
77 8x169mm WASHER
78 6x16mm WASHER
79 M8x15mm SCREW
80 ROUND HEAD
26 PULSE WIRE
27 REED SWITCH WIRE
28 EXTENSION WIRE
29 9mm NUT
30 LEFT PEDAL
31 RIGHT PEDAL
32 LEFT CRANK
33 RI GHT CRANK
34 LOCKING KNOB
35 6004 PRECISE BEARING
36 608 PRECISE BEARING
37 EYEBOLT
38 SPRING
M6 X60mm SCREW
8
1
2
2
4
1
2
39 BELT TENSION BRACKET
40 ADJUSTMENT CHANNEL
41 SENSOR
42 IDLER PULLEY
43 CRANK CENTRAL CAP
44 M8X85mm CARRDIAGE BOLT
81 M8x45 MACHINE SCREW
82 M8x70mm SCREW
83 FRONT SLEEVE
84 SQUARE CAP
85 TENSION KNOB
86 M6x72mm SCREW
14
15
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CM835 Display Instructions
BUTTON FUNCTIONS
MODE
Press to select between functions: TIME,
DISTANCE, CALORIES, and PULSE for
target presetting.
SET
Press to preset the target values of TIME,
DISTANCE, CALORIES, and PULSE.
RESET
Press to reset a function window to zero. To clear
out the readings in all of the console windows, you
must press and hold the Reset button for 3 seconds.
FUNCTIONS
Your CardioMax 835 console allows you to use a countdown
function on the Time, Calories and Distance readouts. If any one
of these is not set before beginning your workout, then they will
count up instead of counting down. The console also allows you
to set a high and low pulse rate that you would like to stay within
(an audible beep will alert you when you are out of the pulse rate
range you set). If you do not set a pulse rate range before begin-
ning your workout, then it will simply give you your pulse rate
reading without any audible beeps.
DISTANCE Count Up – Calculates total miles up to 99.9
Count Down – Counts down from the preset miles
entered to 0.0
TIME
Count Up – Calculates total workout time up to
99:59 Count Down – Counts down from the preset
time to 00:00
PULSE
The monitor will display your current heart rate
within 5 seconds after holding the heart rate sen-
sors. For an accurate heart rate reading, you must
use both hands on the heart rate sensors.
SPEED
Calculates current speed
CALORIES Count Up – Calculates total calories burned
up to 999
Count Down – Counts down from the preset
calories entered to 0.0
16
17
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To set the countdown function for Time,
Calories, or Distance:
Press the Mode key until the correct screen has been chosen.
Press the Set key until the desired reading appears in the window
you are setting.
Monitoring Your Heart Rate
To obtain the greatest cardiovascular benefits from your exer-
cise workout, it is important to work within your target heart rate
zone. The American Heart Association (AHA) defines this target
as 60%-75% percent of your maximum heart rate.
If the countdown mode is set for the Time, Calories, or Distance
before your workout begins, then the console will alert you when
you have reached your goal with an audible beeping. To turn off
the alert, simply depress the Mode key. After the countdown
mode has reached your selected goal, it will then begin counting
upward. This will allow you to continue to track your workout if
you decide to keep exercising.
Your maximum heart rate may be roughly calculated by
subtracting your age from 220. Your maximum heart rate and aer-
obic capacity naturally decreases as you age. This may vary from
one person to another, but use this number to find your approxi-
mate effective target zone. For example, the maximum heart rate
for an average 40 year-old is 180 bpm. The target heart rate zone
is 60%-75% of 180 or 108-135 bpm.
See Fitness Safety on page 20.
To set the high and low heart rate range:
Press the Mode key until the up or down arrow in the Pulse win-
dow has been chosen. Press the Set key until the desired
reading appears in the Pulse window.
Before beginning your workout, check your normal resting
heart rate. Place your fingers lightly against your neck, or against
your wrist over the main artery. After finding your pulse, count
the number of beats in 10 seconds. Multiply the number of beats
by six to determine your pulse rate per minute. We recommend
taking your heart rate at these times; at rest, after warming up,
during your workout and two minutes into your cool down, to
accurately track your progress as it relates to better fitness.
NOTE
Without signal for a period of 4 minutes, the LCD display will
automatically shut off. All information will be stored and appear
again once activity is returned.
Turn on the monitor by pressing any button or by beginning
exercise.
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 below 60% of your maximum will result
in minimal cardiovascular conditioning.
18
19
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TARGET HEART RATE ZONE
Check your pulse recovery rate – If your pulse is over 100 bpm
five minutes after you stop exercising, or if it’s higher than
normal the morning after exercising, your exertion may have been
too strenuous for your current fitness level. Rest and reduce the
intensity next time.
200
195
100%
190
185
180
175
170
165
160
Fitness Safety
Serious
athletic
training range
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.
155
132
85%
170
166
162
157
153
149
145
140
136
Cardiovascular
conditioning
range
150
146
75%
(MHR) = Maximum Heart Rate
143
139
135
131
128
124
120
Fat burning
range
(THR) = Target Heart Rate
116
93
220 - age = maximum heart rate (MHR).
60%
120
117
114
111
108
105
102
99
96
MHR x .60 = 60% of your maximum heart rate.
MHR x .75 = 75% of your maximum heart rate.
20
25 30
35
40 45
50
55 60 65
For example, if you are 30 years old, your
calculations will be as follows:
AGE
220 - 30 = 190
190 x .60 = 114 (low end or 60% of MHR)
190 x .75 = 142 (high end or 75% of MHR)
For a 30 year-old the (THR) Target Heart Rate
would be 114-142.
See Table on right for additional calculations.
20
21
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