Sunny Health & Fitness SF-B2640 User manual

1
AIR BIKE TRAINER
SF-B2640
USER MANUAL
IMPORTANT:
Read all instructions carefully before using this product. Retain owner’s manual for
future reference. For customer service, please contact:
[email protected]

2
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 assured 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 any medication that may affect 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 least4 feet 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. It is recommended that you lubricate all moving parts on a monthly basis.
7. 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, stop using the equipment immediately and don’t use the
equipment until the problem has been rectified.
8. Wear suitable clothing while using the equipment. Avoid wearing loose clothing that may
become entangled in the equipment.
9. Do not place fingers or objects into the moving parts of the equipment.
10. The maximum weight capacity of this unit is 250 pounds.
11. This equipment is not suitable for therapeutic use.
12. You must take care of yourself when lifting and moving the equipment so as not to injure
your back. Always use proper lifting technique and seek assistance if necessary.
13. Never operate bike where oxygen is being administered or where aerosol products are
being used.
14. This equipment is designed for indoor use only! It is not intended for commercial use!
WARNING: This product can expose you to one or more chemicals known to the
State of California to cause cancer and birth defects or reproductive harm. For more
information go to www.P65Warnings.ca.gov.

3
EXPLODED DRAWING
4
2
3
1
5
6
7
9
10
11
12
12
13
15
14
16 17
18
19
20
20
21
22
23
24
25
26
27
28
29
30
31 32
32
33
34
34
35
35
36
36
40
41
43
44
45
46
47
48
49
50
51
52
53
54
55
55
55
55
55
55
55
55
55
56
56
55
55
57
57
57
57
57
57
69
69
58
59
60
61 61
62
62
62
62 63 63
64
65
66
64
65
66
67
67
68
69
69
68
70
70
71
71
95
72
73
73 74
75
76
76
77
37
38
38
39
42
64
64 79
79
80
80
66
66
81
81
82
82
83
83
84
84
71
69
71
71
85
85
85
86
86
86
87
87
88
89
55
55
55
90 91 92 93 94
69
69
69
69
78
78
78
78
78
78
72 72
8
8
72
95

4
No.
Description
Spec.
QTY
No.
Description
Spec.
QTY
1
Main Frame
1
48
Outside Bearing Collar
1
2
Left Handrail Arm
§20*40
1
49
Bearing Washer
§23.8*§40.6*T3.0
1
3
Right Handrail Arm
§20*40
1
50
Bearing Snap Washer
1
4
Lower Handrail Arm
§20*40
2
51
Bearing Nut
7/8-24UNS
2
5
Upright
□20*40*T1.5
1
52
Sensor Wire
1
6
Seat Post
□23.5*53.5*T1.5
1
53
Sensor Holder
1
7
Seat Slider
1
54
Connection Wire
1
8
Connection Piece
2
55
Self-tapping Screw
ST4.2×16
18
9
Front Stabilizer
50.6*95.4*T2.0
1
56
Self-tapping Screw
ST4.2×25
3
10
Rear Stabilizer
50.6*95.4*T2.0
1
57
Screw
M8×15
10
11
Computer
TZ-4106
1
58
Screw
M5×10
4
12
Handlebar axle
A3
2
59
Large Screw R
1/2-20UNF-R×L74
1
13
Belt
1
60
Large Screw L
1/2-20UNF-L×L74
1
14
Left Foot Pedal
1
61
Wave Washer
OD25×ID16.5×0.5
2
15
Right Foot Pedal
1
62
Powder washer for Handrail
4
16
Right Foot Pedal Strap
1
63
Washer
OD25×ID16.5×1.5
2
17
Left Foot Pedal Strap
1
64
Screw
M6×50
4
18
Chain Pulley with Crank
1/2
1
65
M6 Arc washer
OD15×ID6.5×1.5
8
19
Seat
PU
1
66
M6 nut
M6
10
20
End Cap
20*40
1
67
Screw
M6×10
2
21
Adjust Plate
1
68
Screw
M8×45
2
22
Knob
1
69
M8 washer
OD16×ID8.5×1.5
9
23
Bushing
1
70
Powder washer
2
24
Adjustment Knob
1
71
M8 nut
M8
7
25
Tension Control Knob
1
72
Washer
OD28×ID13×1.5
4
26
End Cap for front stabilizer R
1
73
Powder washer for crank
2
27
End Cap for front stabilizer L
1
74
Right Lock Nut
1/2-20UNF-R
1
28
End Cap for rear stabilizer R
1
75
Left Lock Nut
1/2-20UNF-L
1
29
End Cap for front stabilizer L
1
76
Screw
M8×35
2
30
Right Cover
1
77
M10 washer
OD20×ID10.5×1.5
1
31
Left Cover
1
78
Screw
M6×45
6
32
Cover Cap
￠73
2
79
M6 washer
OD13*ID6.5*1.0
6
33
Handrail Arm End Cap
4
80
Supporting tube
OD10*ID6.1*33
6
34
HandrailArm Foam Grip
2
81
M6 Eyebolt
M6*L30
2
35
Handlebar Foam
2
82
C-clip
￠9
2
36
Oval Endcap
2
83
Tension Bracket
2
37
Fan leaf
1
84
M6 Hexagon Nut
2
38
bearing
6000ZZ
2
85
Screw
M5×10
3
39
Moving Cover
1
86
Hexagon Nut
3
40
Strap
1
87
Screw
M6×25
4
41
Spring
65Mn
1
88
Screw
M5×15
1
42
Fan Leaf Axle
45# steel
1
89
M5 Nut
M5
1
43
Right Gauze
1
90
Allen Wrench
S4
1
44
Left Gauze
1
91
Allen Wrench
S5
1
45
Bearing Housing
2
92
Allen Wrench
S8
1
46
Ball Bearing
2
93
Combination Wrench
13 17 19
1
47
Inside Bearing Collar
1
94
Open Wrench
10
1
95
Wave Washer
OD21*ID14*0.3
4
PARTS LIST

5
HARDWARE PACKAGE
M6 Washer
#78-2PCS
M8 Washer
#69-10PCS
M10 Washer
#77-1PCS
M16 Washer
#63-2PCS
M14 Washer
#72-4PCS
M6 Arc Washer
#65-8PCS
M14 Wave Washer
#95-4PCS
M16 Wave Washer
#61-2PCS
M6 Lock Nut
#66-4PCS
Right Lock Nut
#74-1PCS
Left Lock Nut
#75-1PCS
M5x10 Screw
#58-4PCS
M6x10 Screw
#67-2PCS
M8x15 Screw
#57-10PCS
M6x50 Screw
#64-4PCS
M8x35 Screw
#76-2PCS
Large Screw R
#59-1PCS
Large Screw L
#60-1PCS

6
#90 S4-1PCS
#91 S5-1PCS
#92 S8-1PCS
#93 S13,S17,S19
-1PCS
#94 S10-1PCS
#22 Knob-1PCS

7
ASSEMBLY INSTRUCTIONS
STEP 1: INSTALLING UPRIGHT
Lift the Upright (No.5) to the angle shown in above illustration. Make sure the 2 wires are
straight and not tangled. Insert the wires into the Main Frame (No.1).
Lift the Upright (No.5) to vertical and attach to the tube of Main Frame (No.1) with Screws
(No.76).
5
1
5
76 76
#91 S5 1PCS
#76 M8x35 2PCS
1
25

8
ASSEMBLY INSTRUCTIONS
STEP 2: INSTALLING THE COMPUTER
Connect the Connection Wire (No.54) with the wire of Computer (No.11). Put wire into
Upright (No.5), then slide the Computer (No.11) onto the plate. Secure with 4 Screws
(No.58) using Combination Wrench.
58
54
#58 M5x10 4PCS
#93 S13,S17,S19 1PCS
11
5

9
ASSEMBLY INSTRUCTIONS
STEP 3: INSTALLING THE FRONT STABLIZERS
Position the Front Stabilizer (No.9) in front of Main Frame (No.1), making sure the UP label
is facing up and align bolt holes.
Attach the Front Stabilizer (No.9) to the Main Frame (No.1) with 4 Screws (No. 57),
Tighten Screws (No. 57) with Allen Wrench provided.
157
57
9
#57 M8x15 4PCS
#91 S5 1PCS
69
69
#69 M8 Washer 4PCS

10
ASSEMBLY INSTRUCTIONS
STEP 4: INSTALLING THE REAR STABLIZERS
Position the Rear Stabilizer (No.10) behind the Main Frame (No.1) and align bolt holes.
Attach the Rear Stabilizer (No.10) onto the Main Frame (No.1) with 4 Screws (No. 57).
Tighten Screws (No. 57) with Allen Wrench provided.
10
157
57
69
69
#57 M8x15 4PCS
#91 S5 1PCS
#69 M8 Washer 4PCS

11
ASSEMBLY INSTRUCTIONS
STEP 5: INSTALLING HANDRAILS ARM WITH LOWER HANDRAIL ARM
Attach the Handrail Arm (No.2 & 3) to the Lower Handrail Arm (No.4) and secure using 2
Screws (No.64), 4 Arc Washers (No.65), 2 Nuts (No.66)and 1Screw (No.67) with M6
washer (No.78). Tighten with Allen wrench (No.90)and Combination wrench (No.94).
Attach Handlebar Axle (No.12) onto Handrail Arm (No.2) with Screw (No.57) and Washer
(No.69).
12
69 57
69
57
12
23
4
8
8
64
65 65
66
67
64
65
#64 M6x50 4PCS
#65 M6 Arc Washer 8PCS
#67 M6x10 2PCS
#66 M6 Lock Nut 4PCS
#69 M8 Washer 2PCS
#57 M8x15 2PCS
#90 S4 1PCS
#91 S5 1PCS
65
66
67
#94 S10 1PCS
78
78
#78 M6 Washer 2PCS

12
ASSEMBLY INSTRUCTIONS
STEP 6: INSTALLING THE LEFT & RIGHT HANDRAILS
Note: Large Screw L has reverse threading and must be turned counterclockwise to tighten, as
shown in above illustration. Please apply some of the included grease to the Large Screw L/R
(No. 59&60) before assembly.
Attach the L/R Handrail Arms (No.2&3)to the Main Frame (No.1) using Large Screw L/R (No.
59&60) then lock it with Wave Washer (No.61) and Washer (No.63). Tighten the screw in the
direction in above illustration, using the Allen Wrench tool.
#59 Large Screw R 1PCS
#60 Large Screw L 1PCS
#61 M16 Wave Washer 2PCS
#63 M16 Washer 2PCS
#92 S8 1PCS
60 61 63
59
61
63
2
3
1

13
ASSEMBLY INSTRUCTIONS
STEP 7: INSTALLING THE LEFT & RIGHT PEDALS
Read this step all the way through before assembling the pedals.
Note: The Left Foot Pedal (No.14) and the Left Lock Nut (No.75) have reverse threading
and have to be turned counterclockwise to tighten. Please apply some of the included grease
to the bolt of Left and Right Foot Pedal (No. 14&15) before assembly.
Turn the Chain Pulley with Crank (No.18) to the front to make it horizontal.
Make sure you have the left pedal in hand. Insert the Left Foot Pedal (No.14) through the
Washer (No.72), the Wave Washer (No.95), the Connection Piece (No.8) and into the
Crank as show in the figure. Turn the Left Foot Pedal (No.14) counterclockwise as tightly
as you can with your hands. Make sure the bolt on the Left Foot Pedal (No.14) penetrates
the crank fully. Lock the Left Foot Pedal (No.14) with the Left Lock Nut (No.75). Finish
tightening with the Combination wrench.
Insert the Right Foot Pedal (No.15) through the Washer (No.72), the Wave Washer
(No.95), the Connection Piece (No.8) and into the Crank as show in the figure. Turn the
Right Foot Pedal (No.15) clockwise as tightly as you can with your hands. Make sure the
bolt on the Right Foot Pedal (No.15) penetrates the crank fully. Lock the Right Foot Pedal
(No.15) with the Right Lock Nut (No.74). Finish tightening with the Combination wrench.
14 72 872
95
14 72
18
8
95
72
75
18
15
72
75
95
8
72
74 18
on the right side
on the left side
#72 M14 Washer 4PCS
#74 Right Lock Nut 1PCS
#75 Left Lock Nut 1PCS #93 S13,S17,S19 1PCS
#95 M14 Wave Washer 4PCS

14
ASSEMBLY INSTRUCTIONS
71
69 7
19
7
6
77
22
21
7
6
77
22
6
1
24
#77 M10 Washer 1PCS
#22 Knob 1PCS
#93 S13,S17,S19
1PCS

15
STEP 8: INSTALLING THE SEAT
Unscrew Washers (No.69) and Nylon Nuts (No.71) from the Seat (No.19) using the
Combination Wrench.
Attach the Seat (No.19) to the Seat Slider (No.7) with Washers (No.69) and Nylon Nuts
(No.71).
Then attach the Seat Slider (No.7) to the Seat Post (No.6) with Knob (No.22).
Insert the Seat Post (No.6) into the Main Frame (No.1) and lock it at desired height with
Adjustment Knob (No.24).
The assembly is complete!
How to Adjust the Seat:
To adjust seat height, turn Adjustment Knob (No.24) to loosen.
With one hand, pull out Adjustment Knob (No.24). With the other hand, move the Seat Post
(No.6) to the desired height.
Insert Adjustment Knob (No.24) and turn it clockwise to tighten.
To adjust seat position, turn Knob (No.22) to loosen.
Move Seat Slider (No.7) forward or backward to the desired position.
Turn Knob (No.22) to tighten.

16
HOW TO MOVE THE BIKE
Put your hands on the Rear Stabilizer (No.10)and lift the bike until the wheels are able to move
on the ground.
Now you can move the bike to the desired location with ease.

17
EXERCISE METER
SPECIFICATIONS
KEY FUNCTIONS
MODE: Press to select functions. Press the button and hold for two seconds to reset all
functions to zero, except ODOMETER.
SET: In the STOP mode, press to set target values for TIME, CALORIES, and DISTANCE.
Press the button and hold for two seconds. The computer will continue to add the values even
without pressing the SET button, Press any button to stop.
RESET: In the STOP mode, press the button to reset the setting values to zero.
Press the button and hold for two seconds to reset all functions to zero, except
ODOMETER.
FUNCTIONS
SCAN: Press the MODE button until “SCAN” appears on display. Repeatedly displays TIME,
CALORIES, ODOMETER, SPEED, and DISTANCE in sequence for 6 seconds at a time.
TIME: Displays the time elapsed or can count down from preset value.
CALORIES: Displays the calorie burned or can count down from preset value.
The calorie readout is an estimate for an average user. It should be used only as comparison
between workouts on this unit.
ODOMETER: Display the total accumulated distance you have traveled. The odometer does
not reset unless you remove the batteries.
SPEED: Displays the current speed.
DISTANCE: Displays distance or can count down from preset value.
The meter turns on when you start pedaling or when you press a key.
The meter turns off automatically after 4 minutes of inactivity.
COUNTDOWN FUNCTION
You can preset values to countdown TIME, CALORIES or DISTANCE. Press MODE until the
function you want is displayed. Make sure meter is not in SCAN. Press SET to increase the
value. If you press SET and hold for a few seconds, the value will increase automatically.
Press any key to stop at a value.
Time(1:00 to 99:00) Calories(1.0 to 9999 Kcal) Distance(0.1 to 999.9 miles)
FUNCTIONS
TIME
0:00~99:59 (Minute:Second)
SPEED
0~999.9 miles per hour
CALORIES
0.0~999.9~9999 Kcal
Distance
0.1~999.9 mile
BATTERY TYPE
(2)Two AAA or UM-4
OPERATING TEMPERATURE
0°C ~40°C
STORAGE TEMPERATURE
-10°C ~ 60°C

18
MAINTENANCE
Cleaning
The bike can be cleaned with a soft cloth and mild detergent. Do not use abrasives or
solvents on plastic parts.
Wipe your perspiration off the bike after each use.
Be sure that the monitor is not exposed to excessive moisture, as this could potentially
cause an electrical hazard and /or electronics to fail.
Keep the bike, especially the monitor, out of direct sunlight to prevent screen damage.
Inspect all assembly bolts and pedals on the machine before use to make sure they are
properly fastened and tightened.
Storage
Store the bike in a clean and dry environment.
Keep children away from the bike.
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 upright.
2. Verify that the batteries are correctly
positioned and are in proper contact with
the battery springs.
3. The batteries in the computer may be
dead. Remove and replace with new
batteries.
The bike makes a squeaking noise when
in use
1. Inspect bolts. Tighten as needed.
2. Inspect moving parts to ensure that
they are properly lubricated.
The bike is not stable while in use
1. Inspect all the bolts have been fully
tightened.
2. Adjust the rear stabilizer end caps to
make it level.
Version1.1