Sunny Health & Fitness SF-RB4880 User manual

1
POWERSYNC SELF-POWERED
RECUMBENT BIKE
SF-RB4880
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).

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 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 4 feet (1.2 M) 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 300 pounds (135 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 is
required.
12.Your product is intended for use in cool, 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!

3
EXPLODED DIAGRAM

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 [email protected] or 1- 877 - 90SUNNY (877-907-8669).
#26 M8x90 2PCS
#48 M6X40 4PCS
#24 ST4.2X18 3PCS
#33 1PC
#98 S=10,13,14,15,17 1PC
#20 D8xΦ20 2PCS
#49 D6X1.2XΦ16 4PCS
#32 1PC
#34 D8XΦ13X1.5 1PC
#96 S=5 1PC
#97 S=6 1PC

5
PARTS LIST
NO.
Description
Spec.
Qty.
NO.
Description
Spec.
Qty.
1
Main Frame
1
35
Foam Grip
2
2
Front Stabilizer
1
36
Pulse Extension Wire 1
2
3
Rear Stabilizer
1
37
Pulse Extension Wire 2
2
4
Handlebar Post
1
38
Meter
1
5
Handlebar
1
39
Axle
1
6
Nylon Nut
M8
6
40
Screw
M6X10
4
7
Flat Washer
D8XΦ16X1.5
7
41
Handle
1
8
Wheel
2
42
Handle Grip
1
9
Screw
M8X40XL12
2
43
Flat Washer
D8XΦ16X1.5
12
10
Oval Cap 1
2
44
Pulse Extension Wire 3
2
11
Hex Nut
M10
5
45
Pulse Wire
2
12
Adjusting Pad
5
46
Seat Fixed Bracket
1
13
Bolt
M8XL58
4
47
Protective Cover
1
14
Spring Washer
D8
8
48
Screw
M6X40
4
15
Arc Washer
D8X2XΦ25X
R39
4
49
Flat Washer
D6X1.2XΦ16
4
16
Oval Cap 2
2
50
Seat Bracket
1
17L/R
Crank
1 pr.
51
Square Cap
2
18L/R
Pedal
1 pr.
52
Pulse Foam Grip
2
19
Screw
M8X15
11
53
Round Cap
2
20
Arc Washer
D8xΦ20
2
54
Seat
1
21
Sensor Wire
1
55
Axle Spring Washer
1
22
Extension Wire
1
56
Crank Cover
2
23L/R
Front Cover
1 pr.
57
Flange Bolt
2
24
Screw
ST4.2X18
34
58L/R
Chain Cover
1 pr.
25a/b
Handlebar Cover
1 pr.
59
Flange Nut
M10X1
2
26
Bolt
M8X90
2
60
Adjustable Chain Bolt
2
27
Lifting Handle
1
61
Adjustable Chain U
Mat
2
28
Screw
M8X12
16
62
Hex Nut
M6
2
29
Backrest
1
63
Conical Thin Nut
2
30
Round Cap
2
64
Tension Wire
1
31
Screw
M5X10
4
65
Tension Spring
1
32
Plastic Handle
Screw
1
66
Flywheel Axle
1
33
Sleeve
1
67
Flywheel
1
34
Flat Washer
D8XΦ13X1.5
1
68
Motor
1

6
NO.
Description
Spec.
Qty.
NO.
Description
Spec.
Qty.
69
Axle Spring
Washer
1
85
Handle Bracket
1
70
Bearing
2
86
Big Alloy Sleeve
1
71
Nylon Nut
M10
1
87
Upper Holder Block
1
72
Belt Pulley
1
88
Idler Wheel
1
73
Center Axle
1
89
Axle Spring Washer
1
74
Belt
1
90
Eccentric Wheel
1
75
Small Belt Pulley
1
91
Nylon Nut
M8
4
76
Sensor
1
92
Wheel
4
77
Cushion
2
93
Wheel Sleeve
4
78L/R
Protective Cover
1 pr.
94
Bolt
4
79
Square Cap 1
1
95
Small Alloy Sleeve
1
80
Square Cap 2
1
96
Allen Wrench
S=5
1
81
Guide Rail
1
97
Allen Wrench
S=6
1
82
Battery Holder
1
98
Spanner
S=10,13,14,15,
17
1
83
Voltage Stabilizer
1
99
Audio Cable
1
84
Idler Connecting
Rod
1

7
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 Lifting Handle (No. 27) to the Rear
Stabilizer (No. 3) with 2 Bolts (No. 26) and 2 Arc
Washers (No. 20) using Allen Wrench (No. 97).
Remove 2 Shipping Tubes (A), 4 Bolts (No. 13),
4 Spring Washers (No. 14) and 4 Arc Washers
(No. 15) from the Main Frame (No. 1) using
Allen Wrench (No. 97).
Attach the Front & Rear Stabilizer (No. 2 & 3) to
the Main Frame (No. 1) with 4 Bolts (No. 13), 4
Spring Washers (No. 14) and 4 Arc Washers
(No. 15) that were just removed. Tighten and
secure with Allen Wrench (No. 97).
Note: You may discard shipping tubes or save
them in case you’d like to repackage the item in
the future.
STEP 2:
Remove 4 Screws (No. 19), 4 Spring Washers
(No. 14) and 4 Flat Washers (No. 7) from the
Main Frame (No. 1) using Allen Wrench (No.
97).
Connect the Sensor Wire (No. 21) with
Extension Wire (No. 22), and then connect 2
Pulse Extension Wires 1 (No. 36) with 2 Pulse
Extension Wires 2 (No. 37).
Attach the Handlebar Post (No. 4) to the Main
Frame (No. 1) with 4 Screws (No. 19), 4 Spring
Washers (No. 14) and 4 Flat Washers (No. 7)
that were just removed. Tighten and secure with
Allen Wrench (No. 97).
Note: Do not cut or pinch any wire when
attaching the Handlebar Post (No. 4).
Attach the Front Covers (No. 23L/R) to the Main
Frame (No. 1) with 3 Screws (No. 24). Tighten
and secure with Spanner (No. 98).

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).
STEP 3:
Remove the Screw (No. 24) with Spanner (No.
98) to separate Handlebar Cover (No. 25a) and
Handlebar Cover (No. 25b). (Figure A)
Remove the Sleeve (No. 33) and Flat Washer
(No. 34) from the Plastic Handle Screw (No.
32).
Attach the Handlebar (No. 5) to the Handlebar
Post (No. 4), adjust the Handlebar (No. 5) to the
suitable position, and then insert the Plastic
Handle Screw (No. 32) through Handlebar
Cover (No. 25a), Sleeve (No. 33) and Flat
Washer (No. 34). Tighten the Plastic Handle
Screw (No. 32) to secure.
STEP 4:
Remove 4 Screws (No. 31) from the back of the
Meter (No. 38) using Spanner (No. 98).
Connect the 2 Pulse Extension Wires 2 (No. 37)
and Extension Wire (No. 22) with corresponding
wires of Meter (No. 38).
Note: Make sure all the wires are in the tube of
the Handlebar Post (No. 4).
Attach the Meter (No. 38) to the Handlebar Post
(No. 4) with 4 Screws (No. 31) that were just
removed. Tighten and secure with Spanner (No.
98).
Lock the Handlebar Cover (No. 25b) to the
Handlebar Post (No. 4) with the Screw (No. 24)
using Spanner (No. 98).
Figure A

9
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 5:
Attach the Pedals (No. 18L/R) to Cranks (No.
17L/R).
NOTE: Make sure to attach Right Pedal (No.
18R), marked (R), to the Right Crank (No. 17R).
It should be tightened clockwise. Attach the Left
Pedal (No. 18L), marked (L), to the Left Crank
(No.17L). It should be tightened
counterclockwise. Attaching the Pedals (No.
18L/R) to the wrong Cranks (No. 17L/R) or
turning it the wrong direction can damage the
Cranks (No. 17L/R).
STEP 6:
Remove 4 Screws (No. 28) and 4 Flat Washers
(No. 43) from the Seat Fixed Bracket (No. 46)
using Allen Wrench (No. 96).
Attach the Seat Bracket (No. 50) to the Seat
Fixed Bracket (No. 46) using 4 Screws (No. 28)
and 4 Flat Washers (No. 43) that were just
removed. Tighten and secure with Allen Wrench
(No. 96).
Note: There are 3 positions on the Seat Fixed
Bracket (No. 46), numbered 1, 2, and 3, that you
can install the Seat Bracket (No. 50). Adjust the
seat position to suit your height. (Figure B)
Connect the 2 Pulse Wires (No. 45) with 2 Pulse
Extension Wires 3 (No. 44) on the Main Frame
(No. 1).
Remove 2 Screws (No. 40) from the Axle (No.
39). Attach the Handle (No. 41) to the Axle (No.
39) with 2 Screws (No. 40) that were just
removed. Tighten and secure with Allen Wrench
(No. 96). Ti
g
Figure B

10
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 7:
Remove 4 Screws (No. 19) and 4 Flat Washers
(No. 43) from the Seat (No. 54) using Allen
Wrench (No. 97).
Attach the Seat (No. 54) to the Seat Bracket (No.
50) with 4 Screws (No. 19) and 4 Flat Washers
(No. 43) that were just removed, using Allen
Wrench (No. 97).
Remove the Screw (No. 24) from the Seat
Bracket (No. 50) using the Spanner (No. 98).
Attach the Backrest (No. 29) to the Seat Bracket
(No. 50) with 4 Screws (No. 48) and 4 Flat
Washers (No. 49) using Allen Wrench (No. 96).
Attach the Protective Cover (No. 47) to the Seat
Bracket (No. 50) with the Screw (No. 24) using
the Spanner (No. 98).
The assembly is now complete!
ti
g
h
t
e
n
b
y
h
a
n
d
f
i
r
s
t
,
t