Sunny Health & Fitness SF-RB4905 User manual

MAGNETIC RECUMBENT
EXERCISE BIKE
SF-RB4905
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.

2
EXPLODED DIAGRAM

3
PARTS LIST
No.
Description
Spec.
Qty.
No.
Description
Spec.
Qty.
1
Main Frame
1
48
Bolt
Φ9.8*6*M8*15
1
2
Front Post
1
49
Brake Handle
1
3
Front Stabilizer
1
50
Eccentric Shaft
1
4
Cushion Frame
1
51
Eccentric Wheel
1
5
Handlebar
1
52
Alloy Bushing
2
6
Adjusting Tube
1
53
Lock Washer
2
7
Magnetic Board
1
54
Idler Spacer
1
8
Idler Link
1
55
Pulley
1
9
Rear Stabilizer
1
56
Foam Grip
2
10
Hex Tap Bolt
M6*70
1
57L/R
Foam Grip
2
11
Hex Nut
M6
2
58
Rear End Cap
2
12
Hex Tap Bolt
M8*40
1
59
Screw
ST3*10
9
13
Nylon Nut
M8 S13
4
60L/R
Pedal
(1/2")
2
14
Hex Nut
M10*1*H5
2
61
Round End Cap
4
15
Taper Nut
M10*1*H4
2
62
Belt
370PJ6
1
16
Nylon Nut
M10
1
63
Seat
1
17
Screw
ST4.2*20
7
64
Backrest Cushion
1
18
Screw
ST4.2*20
5
65
Sleeve
2
19
Carriage Bolt
M8*60
4
66
Cap
60*30*1.5
2
20
Magnetic Fix Board
1
67
Cap
38*38*1.5
2
21
Bolt
M8*15
4
68
Plug
3
22
Bolt
M8*45
4
69L/R
Cover
2
23
Flat Washer
Φ16*Φ8.5*1.5
14
70
Crank Plug
2
24
Spring Washer
D8
4
71
Idler Wheel
1
25
Bolt
M8*42
2
72
Tension Control Knob
1
26
Arc Washer
Φ16*Φ8.5*1.5
6
73
Tension Wire
1
27
Cap Nut
M8
6
74
Idler Wheel
2
28
Bolt
M8*16
4
75
Brake Block
1
29
Bolt
M8*50
2
76
EVA Pad
1
30
Screw
M5*8
4
77
Computer
1
31
Screw
M8*40
2
78
Middle Wire
1
32
Screw
M5*15
2
79
Needle Sensor Wire
1
33
Bolt
M6*15
2
80
Hand Pulse Sensor
2
34
Lock Washer for Shaft
D12
1
80a
Hand Pulse Wire 1
1
35
Bolt
M5*20
1
81
Hand Pulse Wire 2
1
36
Washer
D5
1
82
Hand Pulse Wire 3
1
37
Bolt
M5*10
4
83
Brake Handle
1
38
Bearing Housing
Φ56*15.5
2
84
Open Face Bearing
2
39L/R
Crank
140*220，1/2
1
85
Nut
1
40
Flywheels Spacer
1
86
Washer
1
41
Tension Spring
1
87
Nut
2
42
Black Magnet
40x25x10
8
88
Locking Nut 2
1
43
Round Magnet
Φ15×6
1
89
Washer
Φ40.5*3
1
44
Inertia Wheel
Φ10*125*M10*1*17
1
90
Front End Cap
2
45
External Magnetic
Flywheels
Φ200*72.5/3Kg
1
91
Flat Washer
Φ16*Φ8.5*1.5
3
46
Bearing
6000Z
2
A
Spanner
S13-14-15
1
47
Tension Spring
Φ18*48*Φ2
1
B
Wrench
S5*30*80
1

4
HARDWARE PACKAGE
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 [e-mail] 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 [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 1：
Attach the Front Stabilizer (No. 3)
and Rear Stabilizer (No. 9) to the
Main Frame (No. 1) using 4 Carriage
Bolts (No. 19), 4Arc Washers (No.
26) and 4 Cap Nuts (No. 27). Tighten
and secure with Spanner (No. A).
STEP 2：
Attach the Seat (No. 63) to the Cushion
Frame (No. 4) using 4 Bolts (No. 28)
and 4 Flat Washers (No. 23). Tighten
and secure with Wrench (No. B).
Attach the Backrest Cushion (No. 64)
to the Cushion Frame (No. 4) using 2
Bolts (No. 29) and 2 Flat Washers (No.
23). Tighten with Wrench (No. B).

6
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 3：
Insert the Brake Handle (No. 49) into
Eccentric Shaft (No. 50) and make
sure the screw holes from both parts
are aligned with each other. Secure
with 2 Bolts (No. 33) and tighten with
Wrench (No. B).
STEP 4：
Attach the Handlebar (No. 5) to the
Cushion Frame (No. 4) with 2 Bolts
(No. 25), 2 Flat Washers (No. 23),and
2Cap Nuts (No. 27). Tighten and
secure with Spanner (No. A).
STEP 5：
Attach the Cushion Frame (No. 4) to
the Main Frame (No. 1) using 4 Bolts
(No. 22), 4 Spring Washers (No. 24),
4Flat Washers (No. 23). Tighten with
Wrench (No. B).
Connect the Hand Pulse Wire 1 (No.
80a) with the Hand Pulse Wire 3 (No.
82).

7
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 6：
Connect Middle Wire (No. 78) with
Needle Sensor Wire (No. 79) and
connect the Hand Pulse Wire 2 (No.
81) with Hand Pulse Wire 3 (No. 82).
Pull Tension Control Wire (No. 73)
out from Main Frame (No. 1), then
insert Tension Control Wire (No. 73)
from the bottom of Front Post (No. 2)
and pull it out from the side hole of
Front Post (No. 2).
Attach the Front Post (No. 2) to the
Main Frame (No. 1), then remove Bolt
(No. 35) and Washer (No.36) from
Tension Control Knob (No. 72).
Connect Tension Control Knob (No.
72) with Tension Wire (No. 73) and
attach Tension Control Knob (No. 72)
on Front Post (No. 2) using Bolt (No.
35) and Washer (No.36) that were
removed.
CAUTION: Please make sure the
Tension Control Knob (No. 72) is at
the lowest resistance level (level 1, all
the way to the left) before you connect
any wires together.
Secure Front Post (No. 2) and Main
Frame (No. 1) using 4 Bolts (No. 21),
2Flat Washers (No. 23) and 2 Arc
Washers (No. 26). Tighten and secure
with Wrench (No. B).

8
We value your experience using Sunny Health and Fitness products. For assistance with parts or
troubleshooting, please contact us at [e-mail] or 1-877-90SUNNY
(877-907-8669).
STEP 7：
Remove 4Bolts (No. 37) from the
Computer (No. 77) using Spanner
(No. A). Then, attach the Computer
(No. 77) to the Front Post (No. 2)
using the 4Bolts (No. 37) that were
removed. Tighten and secure with
Spanner (No. A).
On the back of Computer (No. 77),
plug Hand Pulse Wire 2 (No. 81) into
the “PULSE”jack and Middle Wire
(No. 78) into the “SPEED”jack.
STEP 8：
Align the Left Pedal (No. 60L) with
the Left Crank (No. 39L) at 90
degrees and gently insert the pedal
into the crank arm. Turn the pedal
counter-clockwise as tightly as you
can with your hand, then use
Spanner (No. A) to tighten securely.
Align the Right Pedal (No. 60R)with
the Right Crank (No. 39R) at 90
degrees and gently insert the pedal
into the crank arm. Turn the pedal
clockwise as tightly as you can with
your hand, then use Spanner (No. A)
to tighten securely.
NOTE: Left Pedal (No. 60L) is
marked with “L” on the pedal, while
Right Pedal (No. 60R)is marked with
“R” on the pedal.
The assembly is complete!

9
BATTERY INSTALLATION & REPLACEMENT
BATTERY INSTALLATION
1. Take out 2 AAA batteries from meter box.
2. Press the buckle of battery cover on the Computer (No. 77), then remove battery cover.
3. Install 2 AAAbatteries into the battery case on the back of the Computer (No. 77). Pay attention
to the battery + and –ends before installing.
4. Press the buckle of battery cover, then put the battery cover back to the back of the Computer
(No.77).
The installation is complete!
BATTERY REPLACEMENT
1. Press the buckle of battery cover on the back of the Computer (No. 77), then remove battery
cover.
2. Remove the 2 old AAA batteries in the battery case and install 2 new AAA batteries into the
battery case on the back of the Computer (No. 77). Pay attention to the battery + and –ends
before installing.
3. Press the buckle of battery cover, then put the battery cover back to the back of the Computer
(No. 77).
The replacement is complete!
BATTERY DISPOSAL
Dispose of the batteries according to the laws and regulations of your local region. Some batteries
may be recycled. When disposing or recycling, do not mix battery types.