Sunny Health & Fitness ZEPHYR AIR BIKE User manual

ZEPHYR AIR BIKE
SF-B2715
USER MANUAL
IMPORTANT! Please retain owner’s manual for maintenance and adjustment instructions. Your
satisfaction is very important to us, PLEASE DO NOT RETURN UNTIL YOU HAVE
CONTACTED US: [email protected] or 1- 877 - 90SUNNY (877-907-8669).

1
IMPORTANT SAFETY INFORMATION
We thank you for choosing our product. To ensure your safety and health, please use this
equipment correctly. It is important to read this entire manual before assembling and using the
equipment. Safe and effective use can only be achieved if the equipment is assembled,
maintained, and used properly. It is your responsibility to ensure that all users of the equipment
are informed of all warnings and precautions.
1. Before starting any exercise program, you should consult your physician to determine if you
have any medical or physical conditions that could put your health and safety at risk or prevent
you from using the equipment properly. Your physician’s advice is essential if you are taking
medication that affects your heart rate, blood pressure, or cholesterol level.
2. Be aware of your body’s signals. Incorrect or excessive exercise can damage your health.
Stop exercising if you experience any of the following symptoms: pain, tightness in your chest,
irregular heartbeat, shortness of breath, lightheadedness, dizziness, or feelings of nausea. If
you do experience any of these conditions, you should consult your physician before
continuing with your exercise program.
3. Keep children and pets away from the equipment. The equipment is designed for adult use
only.
4. Use the equipment on a solid, flat level surface with a protective cover for your floor or carpet.
To ensure safety, the equipment should have at least 2 feet (60 CM) of free space all around it.
5. Ensure that all nuts and bolts are securely tightened before using the equipment. The safety of
the equipment can only be maintained if it is regularly examined for damage and/or wear and
tear.
6. Always use the equipment as indicated. If you find any defective components while
assembling or checking the equipment, or if you hear any unusual noises coming from the
equipment during exercise, discontinue use of the equipment immediately and do not use until
the problem has been rectified.
7. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
8. Do not place fingers or objects into the moving parts of the equipment.
9. The maximum weight capacity of this unit is 240 pounds (110 kg).
10. The equipment is not suitable for therapeutic use.
11. To avoid bodily injury and/or damage to the product or property, proper lifting and moving are
required.
12. Your product is intended for use in cool and dry conditions. You should avoid storage in
extreme cold, hot or damp areas as this may lead to corrosion and other related problems.
13. This equipment is designed for indoor and home use only; it is not intended for commercial
use.
The bike is not intended to be used standing up. Please remain seated with your feet on
the pedals.

2
EXPLODED DIAGRAM
87
22
55
57
21
13
656
58
29
30
58
31 43
75
67
73
61
694748
85
84
14
44
52
46
15
52
844448
36
76 77 787980
46
47
69
33
20
20
3
1
34
35
80 79 3781 12 74
67
75
66
65
43 27 23
30
31
28
88
56 53
67
50 4917
5163
62
17
18
59
68
39 38
40
10
968
59
59
18
5
17
62
17
63
49
51
50
7
29
58
43
60
43
3031 58
36
19
2
35 34
19
45
54
46
33
46
54
45
72
16
31
32
8
64
26
41
39
41 4652 69
47
48
30
11
82
24
44
84
25
4652
48
47
69
44 42
84
59
83
92
86
60
71
71
4
17
17
70
59
59
46 46
46
46
93
21
94
57
94
HARDWARE PACKAGE

3
PARTS LIST
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
1
Main Frame
1
38
Washer
Φ6*Φ12*1.2
1
2
Front Stabilizer
1
39
Cross Head Screw
M6*8
5
3
Rear Stabilizer
1
40
Cross Head Screw
M5*10
5
4
Left Handrail
1
41
Nylon Nut
M5
5
5
Right Handrail
1
42
Hexagon Bolt
M8*40
4
6
Left Foot Bar
1
43
Cross Head Tapping
Screw
ST4.2*19
7
7
Right Foot Bar
1
44
Circlip
Φ10
4
8
Meter Post
1
45
Hexagonal Bolt
M6*48
2
9
Right Handrail
Arm
1
46
Nylon Nut
M6
10
10
Left Handrail Arm
1
47
Eyebolt
M6*40
4
11
Axle Sleeve
1
48
Hexagon Nut
M10*P1*H8
4
12
Chain Pulley with
Crank
1
49
Flat Washer
Φ28*Φ10*δ2
2
13
Left Nylon Nut
1/2
1
50
Hexagon Bolt
M10*18
2
14
Belt Pulley
1
51
Spring Washer
d10
2
15
Gear
1
52
U Shape Bracket
4
16
Rotation Rod
Φ15.8*342*M10*22
1
53
Right Nylon Nut
1/2
1
17
Bushing
Φ28*Φ16*16
6
54
Movable Wheel
2
18
Plastic Bushing
Φ32*1.5
2
55
Left Pedal
1
19
End Cap
Φ50
2
56
Bushing
Φ21*Φ17*Φ12.7
2
20
End Cap
Φ50
2
57
Washer
Φ34* Φ17.5*2.0
2
21
Bearing
Φ12.8*Φ29*11
2
58
Bushing
Φ18*Φ14*Φ10.1
4
22
Axle
Φ10*142
1
59
Handrail Arm End Cap
Φ25
6
23
Adjustment Knob
Φ56*M16*1.5
1
60
Plug
Φ32
2
24
Flywheel
Φ415*77
1
61
Belt
PJ370/J4
1
25
Axle Sleeve
1
62
Adjustment Knob
M8*L36
2
26
Seat Post
1
63
Washer
Φ28*Φ16*δ5
2
27
Seat Post Plastic
Bushing
50*25*1.5
1
64
Computer
1
28
Seat
1
65
Needle Sensor Holder
1
29
Hexagon Bolt
M8*50
2
66
Needle Sensor
1
30
Nylon Nut
M8
9
67
Cross Countersunk
Head Tapping Screw
ST4.2*19
4
31
Flat Washer
Φ16*Φ8*1.5
7
68
Handrail Arm Foam
Grip
2
32
Hexagon Bolt
M8*30
2
69
Flange Nut
M10*P1.0
4
33
Bolt
M8*62
4
70
Sensor
L=500mm
1
34
Cap Nut
M8
4
71
Corrugated Gasket
Φ26* Φ16*δ0.3
2
35
Curve Washer
Φ16 *Φ8*1.5
4
72
Cross Head Screw
M5*10
4
36
End Cap
2
73
Left Cover
1
37
Cross Head
Screw
M6*12
1
74
Right Cover
1

4
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
75
Crank Cover
Φ60
2
85
Hexagonal Bolt
M6*20
4
76
Hexagon Flat
Nut
7/8”
1
86
Extension Wire 1
1
77
Flat Washer
Φ35*2.0
1
87
Chain
1
78
Puller Bushing
15/16’’
1
88
Right Pedal
1
79
Bearing
Φ44.5
2
89
Spanner
S13-17-19
1
80
Bearing Housing
Φ55.6*16
2
90
Spanner
S13-14-15
1
81
Flat Washer
Φ40*Φ24*2.8
1
91
Allen Wrench
S6
2
82
Left Cover for
Flywheel
1
92
Extension Wire 2
1
83
Right Cover for
Flywheel
1
93
Spring Washer
D6
4
84
Bearing
6000Z
4
94
Spacer
Φ34*Φ28.6*4.5
2
Ordering Replacement Parts (U.S. and Canadian Customers only)
Please provide the following information in order for us to accurately identify the part(s) needed:
✓The model number (found on cover of manual)
✓The product name (found on cover of manual)
✓The part number found on the “EXPLODED DIAGRAM” and “PARTS LIST” (found near the
front of the manual)
Please contact us at [email protected] or 1- 877 - 90SUNNY (877-907-8669).

5
ASSEMBLY INSTRUCTIONS
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [email protected] or 1-877-90SUNNY
(877-907-8669).
#89 S13-17-19 1PC
#33 M8*62 4PCS
#35 φ16*φ8*1.5 4PCS
#34 M8 4PCS
33
3
34
35
235 34
33
1
50 49
51
63 71
63
49
51
50
71
16
4
5
1
#71 φ26×φ16×δ0.3 2PCS
#63 φ28×φ16×δ5 2PCS
#49 φ28×φ10×δ2 2PCS
#51 d10 2PCS
#50 M10*18 2PCS
#16 φ15.8*342*M10*22 1PC
#91 S6 2PCS
STEP 1:
Attach the Front & Rear Stabilizers (No. 2
& No. 3) onto the Main Frame (No. 1) with
4 Cap Nuts (No. 34), 4 Curve Washers
(No. 35),and 4 Bolts (No. 33). Tighten with
the Spanner (No. 89).
STEP 2:
Remove 2 Hexagon Bolts (No. 50), 2
Spring Washers (No. 51), 2 Flat Washers
(No. 49), 2 Washers (No. 63),and 2
Corrugated Gasket (No. 71) from the
Rotation Rod (No. 16)with 2 Allen
Wrenches (No. 91)
Insert the Rotation Rod (No. 16) into the
torque tube of the Main Frame (No. 1) with
2 Corrugated Gasket (No. 71) that were
removed. Attach Left & Right Handrails
(No. 4 & No. 5) onto the Rotation Rod (No.
16) using 2 Hexagon Bolts (No. 50), 2
Spring Washers (No. 51), 2 Flat Washers
(No. 49),and 2 Washers (No. 63) that were
removed. Tighten with 2 Allen Wrenches
(No. 91).

6
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [email protected] or 1-877-90SUNNY
(877-907-8669).
STEP 3:
Remove 2 Left & Right Nylon Nuts (No. 13
& No. 53), 2 Washers (No. 57), and 2
Spacers (No. 94) from the Left & Right
Pedals (No. 55 & No. 88) using Spanner
(No. 89) and Spanner (No. 90).
Insert the Right Pedal (No. 88) into Right
Foot Bar (No. 7), 1 Spacer (No. 94) and 1
Washer (No. 57), then attach those parts
into the right side of Chain Pulley with
Crank (No. 12). Turn the Right Pedal (No.
88) clockwise as tightly as you can with
your hands, then use Spanner (No. 90) to
tighten securely. Use Spanner (No. 90) to
hold the bolt for the pedal in place then use
Spanner (No. 89) to screw Right Nylon Nut
(No. 53) counter-clockwise onto the thread
end of the Right Pedal (No. 88).
Insert the Left Pedal (No. 55) into Left Foot
Bar (No. 6), 1Spacer (No. 94),and 1
Washer (No. 57), then attach those parts
into the left side of Chain Pulley with Crank
(No. 12). Turn the Left Pedal (No. 55)
counter-clockwise as tightly as you can
with your hands, then use Spanner (No. 90)
to tighten securely. Use Spanner (No. 90) to
hold the bolt for the pedal in place, then use
Spanner (No. 89) to screw Left Nylon Nut
(No. 13) clockwise onto the thread end of
the Left Pedal (No. 55).
L
55
13
6
88
57
53
7
R
#89 S13-17-19 1PC
#13 1/2 1PC
#53 1/2 1PC
#57 φ34*φ17.5*2.0 2PCS
#94 φ34*φ28.6*4.5 2PCS
#90 S13-14-15 1PC
1
6
712
94
94
57

7
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at supp[email protected] or 1-877-90SUNNY
(877-907-8669).
9
10
62
1
4
5
62
#62 M8*L36 2PCS
#90 S13-14-15 1PC
#31 φ16*φ8*1.5 3PCS
#30 M8 3PCS
30
31
28
23
1
26
#23 φ56*M16*1.5 1PC
STEP 4:
Loosen and remove Adjustment Knob
(No. 62) from the Right Handrail (No. 5).
Insert the Right Handrail Arm (No. 9) into
the Right Handrail (No. 5). Adjust the
Right Handrail Arm (No. 9) to the desired
position, then secure it in place by
reinserting and tightening the Adjustment
Knob (No. 62).
Loosen and remove Adjustment Knob
(No. 62) from the Left Handrail (No. 4).
Insert the Left Handrail Arm (No. 10) into
the Left Handrail (No. 4). Adjust the Left
Handrail Arm (No. 10)to the desired
position, then secure it in place by
reinserting and tightening the Adjustment
Knob (No. 62).
STEP 5:
Remove 3 Flat Washers (No. 31) and 3
Nylon Nuts (No. 30) from the Seat (No. 28)
using Spanner (No. 90).
Pull out the Seat Post (No. 26) from Main
Frame (No. 1). Then, attach the Seat (No.
28) to the Seat Post (No. 26) using 3 Flat
Washers (No. 31) and 3 Nylon Nuts (No.
30) that were removed. Tighten with
Spanner (No. 90).
Take out the Adjustment Knob (No. 23)
from the plastic bag for the manual. Then
insert the Seat Post (No. 26) into the Main
Frame (No. 1) using Adjustment Knob
(No. 23).

8
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [email protected] or 1-877-90SUNNY
(877-907-8669).
#90 S13-14-15 1PC
#31 φ16*φ8*1.5 2PCS
#72 M5*10 4PCS
#91 S6 1PC
72
31
32
8
64
86
#32 M8*30 2PCS
92
86
STEP 6:
Take out 2 AAA batteries from the computer
box. Attach the batteries into the back of
Computer (No. 64). Remove 4 Cross Head
Screws (No. 72) from the back of the
Computer (No. 64) using Spanner (No. 90).
Connect the Extension Wire 1 (No. 86),
which comes from the top end of Meter Post
(No. 8),with the link wire of Computer (No.
64). Once the wires are connected, insert
them into Meter Post (No. 8).
Attach the Computer (No. 64) onto the top
end of Meter Post (No. 8) using 4 Cross
Head Screws (No. 72) that were removed.
Tighten with Spanner (No. 90).
NOTE: please be carefule not to pinch or
puncture the wires when assembling.
Remove 2 Flat Washers (No. 31) and 2
Hexagon Bolts (No. 32) from the Main
Frame (No. 1) with Allen Wrench (No. 91).
Connect the Extension Wire 1 (No. 86),
which comes from the bottom end of Meter
Post (No. 8), with Extension Wire 2 (No.
92). Once the wires are connected, insert
them into Meter Post (No. 8).
Attach the Meter Post (No. 8) onto the Main
Frame (No. 1) with 2 Flat Washers (No. 31)
and 2 Hexagon Bolts (No. 32) that were
removed. Tighten with Allen Wrench (No.
91).
NOTE: please be carefule not to pinch or
puncture the wires when assembling.
The assembly is complete!

9
MAINTENANCE & ADJUSTMENT GUIDE
9
10
62
23
26
62
ADJUSTING THE SEAT HEIGHT
Turn the Adjustment Knob (No. 23) counter-clockwise
to release Seat Post (No. 26) and then slide the Seat
Post (No. 26)up or down for a suitable height. Lock the
Seat Post (No. 26)in place by tightening the
Adjustment Knob (No. 23) clockwise.
ADJUSTING THE HANDRAIL ARMS HEIGHT
Turn the Adjustment Knobs (No. 62) counter-clockwise
to release the Right & Left Handrail Arms (No. 9 & No.
10) and then slide the Right & Left Handrail Arm (No. 9
& No. 10) up or down for a suitable height. Lock the
Right & Left Handrail Arm (No. 9 & No. 10) in place by
tightening the Adjustment Knobs (No. 62) clockwise.
MOVING THE AIR BIKE
To move the air bike, hold the Right & Left Handrail
Arm (No. 9 & No. 10)and tilt the air bike until the
movable wheels on the Front Stabilizer (No. 2) touch
the ground. With the wheels on the ground, you can
transport the air bike to the desired location with ease.
ADJUSTING THE BALANCE
To achieve a smooth and comfortable ride, you must
ensure that the stability of the air bike is secured. If you
notice that the air bike is unbalanced during use, adjust
the End Caps (No. 20)located on the Rear Stabilizer
(No. 3) until the air bike becomes level with the floor
surface.
CLEANING
The air bike can be cleaned with a soft, clean, and damp cloth. Do not use abrasives or solvents on
plastic parts. Please wipe your perspiration off the air bike after each use. Be careful not get
excessive moisture on the computer display panel as this might cause electrical hazards or
electronics failure.
Please keep the air bike, especially the computer out of direct sunlight to prevent screen damage.
Please inspect all assembly bolts and pedals on the air bike for proper tightness every week.
STORAGE
Store the air bike in a clean and dry environment away from children.

10
TROUBLESHOOTING
PROBLEM
SOLUTION
There is no display on the
computer.
1. Remove the computer and verify the wire that comes from the
computer is properly connected to the wire that comes from the
meter post.
2. Check if the batteries are correctly positioned and battery
springs are in proper contact with batteries.
3. The batteries in the computer may be unresponsive. If this
occurs, change the batteries.
The air bike wobbles
when in use.
Turn the end caps on the rear stabilizer as needed to level the air
bike.
The air bike makes a
squeaking noise when in
use.
The bolts may have become loose on the air bike. Please inspect all
the bolts and tighten any loose bolts.

11
EXERCISE COMPUTER
FUNCTION BUTTONS:
MODE: Press the button to select TIME, DISTANCE, and CAL to preset.
Press the button for selection function display value on LCD or
enter after setting.
Press the button and hold for 3 seconds to reset all values
except odometer to zero.
(When the user replaces the batteries, all the values will reset to
ZERO automatically).
SET: To set up the target value of TIME, DISTANCE, and CAL. Press
the button and hold for 2 seconds to speed up the increment.
RESET: Press the button to reset function value when setting.
Press the button and hold for 3 seconds to reset all value except
odometer to zero (When the user replaces batteries, all the
values will reset to ZERO automatically).
FUNCTIONS & OPERATIONS:
1. BATTERY INSTALLATION: Please install 2 AAA 1.5V batteries in the battery case on the
back of computer. (Whenever batteries are removed, all the function values will be reset to
zero.)
2. AUTO ON/OFF: Once the user begins to exercise, the computer will show the workout value
automatically. After about 4 minutes of inactivity, the computer will turn off. Odometer value
does not reset to 0 when the computer turns off. When the user starts to exercise again, the
workout value of odometer will accumulate continuously.
3. AUTO SCAN: After the computer is powered on, press the Mode key, the LCD will display all
functions values from TIME-SPEED-DISTANCE-CALORIES-ODOMETER. Each value will be
held for 6 seconds.
4. SPEED: Displays the current training speed from 0.0 to 99.9 MP/H (Miles per hour).
5. DISTANCE: Accumulates total distance from 0.00 up to 9999. The user may preset target
distance by pressing the SET & MODE button. Each increment is 0.1 M (Miles). Automatically
counts down from targeting value during exercise.
6. TIME: Accumulates total time from 00:00 up to 99:59. The user may preset target time by
pressing SET & MODE button. Each increment is 1 minute. Automatically count down from
targeting value during exercise.
7. CALORIES: Accumulates calories burned during training from 0.0 to 9999. The user may also
preset the target calorie before training by pressing the SET & MODE button. Each setting
increase is 1 cal. Automatically counts down from targeting value during exercise.
Note: This data is a rough guide which cannot be used in medical treatment.

12
8. ODOMETER: Displays the total accumulated distance from 0.0 to 9999. User can also press
mode key to display the odometer value.
9. RESET: Press the button and hold for 2 seconds to reset all value except odometer to zero.
NOTE:
1. If the computer display is abnormal, please re-install the new batteries and try again. Always
change both batteries at the same time. Do not mix battery types and do not mix old and new
batteries.
2. Battery Spec: 1.5V UM-4 or AAA (2PCS).
3. Dispose of the batteries safely, according to your state and regional guidelines.
Version: 2.1

13