Aosom B71-055 Installation guide

ASSEMBLY & INSTRUCTION MANUAL
IMPORTANT, RETAIN FOR FUTURE REFERENCE: READ CAREFULLY
INac010_US
B71-055

1
The Owner’s Responsibility
WARNING: The trailer is designed and constructed to provide a portable,
comfortable and sturdy addition to your outdoor ventures. Please read these
instructions and all warnings carefully before using and keep the instructions for
future reference.
If the Trailer was purchased unassembled, it is the owner’s responsibility to follow
all assembly and adjustment instructions exactly as written in this manual, and any
“special instruction” supplied to ensure complete and proper assembly. Make sure
all fasteners and components are securely tightened during installation.
NOTE:
ŸPeriodically check that all fasteners and components are securely tightened.
ŸCheck the working conditions of both bike and trailer before each use. If you
discover broken components, misalignment or missing parts, correct the
problem prior to use.
If the Trailer was purchased assembled, it is the owner’s responsibility before using
the Trailer for the first time, to make sure the Trailer has been assembled and
adjusted exactly as written in this manual, and any “Special Instructions” supplied
and to make sure all fasteners and components are securely tightened.
Thank you for your purchase. If you have problems, do not return to store. Call
customer service. Please refer to model/date code label on product or cover of
manual.
Warning and Safety Information
Meanings of warnings:
This symbol is important. See the word “CAUTION” or “WARNING” which follows it.
The word “CAUTION” is before mechanical instructions. If you do not obey these
instructions, mechanical damage or failure of a part of the Trailer can occur.
The word “WARNING” is before personal safety instructions. If you do not obey
these instructions, injury to the rider or to others can occur.
Trailer Compatibility
Reflectors
WARNING: For your safety, do not use the Trailer if the reflectors are incorrectly
installed, damaged, or missing. Make sure the rear reflectors are vertical and
pointing straight back. Do not allow the visibility of the reflectors to be blocked by
clothing or other articles. Dirty reflectors do not work well. Clean the reflectors, as
necessary, with soap and a damp cloth.
Trailer warnings
WARNING: Failure to comply with the manufacture’s instructions can lead to
serious injury or death of the passenger/rider.
ŸAdult assembly required.
ŸThis trailer is only for cargo use, not for use as a child carrier.
ŸNever exceed a safe speed. Recommended maximum speed is 8 MPH(13KMH)
and slowing to no more than 3 MPH(5KMH) when turning.
ŸAs cargo trailer: Maximum weight is 100lb (45KG). Maximum load weight is
77.4lb (34.7KG). The product weight is 22.6lb (10.3KG).
ŸRiders must wear an approved bicycle helmet when riding in this product.

2
Trailer warnings - continued
Ÿ The trailer is not suitable for running or skating. Do not use trailer in snow or icy
conditions.
Ÿ Do not install a car seat or any other seating device not approved by the
manufacturer inside the trailer.
Ÿ Do not use on rocky or uneven road surfaces.
Ÿ Do not park near inclines or uneven roads that may cause the trailer to tip.
Ÿ Make no modification to the trailer.
Ÿ Before each ride, ensure the attached trailer and trailer components do not
interfere with braking, pedaling, or steering of the bicycle.
Ÿ Never use a trailer at night or times of limited visibility.
Ÿ Obey all local laws and regulations for bicycles and trailers.
Ÿ Check all fasteners before each ride.
Ÿ Ensure lock pins are fully inserted/engaged before each ride.
Ÿ Always use the safety flag when pulling this trailer.
Ÿ The bicycle to which the trailer is attached should undergo a safety check by a
qualified bicycle mechanic before attaching the trailer to it.
Ÿ Check tires before rider. Inflate tires to recommended pressure shown on tire
sidewall.
Ÿ Ensure brakes on your bicycle work properly before each ride. Braking distance
is increased when pulling a trailer.
Ÿ Do not use cleaning solvents. Clean only with soap and water.
Pre-Ride Safety check
Before each ride:
1. Ensure Bike and Trailer are in top working condition.
2. Check TIRE AIR PRESSURE of both Bike and Trailer.
3. Check to ensure Hitch Connector and Safety Strap are secured.
4. Secure all cargo and fasten top cover.
5. HELMETS ON! Ensure rider is on and secure.
Introduction to Assembly
This Owner’s Manual is made for several different Trailers:
Ÿ Some illustrations may vary slightly from the actual product.
Ÿ Follow instruction completely.
Ÿ If the trailer has any parts that are not described in this manual, look for
separate “Special Instructions” that are supplied with the Trailer.
Ÿ Please read through this entire manual before beginning assembly or
maintenance.
Ÿ If you are not confident with assembling this unit, refer to local bike shop.
WARNING: Keep small parts away from children during assembly.

3
Trailer Parts Include In The Box
Assembling the Frame
Steps:
1. Place the cargo basket frame on a flat surface.
2. Unfold Side Frames so they are upright.
3. Then unfold other two-directions Frame, push side frames apart and insert end of
bar into clamp bracket.
4. Insert Safety Pin and snap clip ring over end of Safety pin as show. 5.Assemble
fabric cover.
Setting up the Hitch Arm
Steps:
1. Turn the unit on it’s side.
2. Remove the Safety Pin from rear hole as shown.
3. Rotate Hitch Arm so that it points forward.
4. Insert Safety Pin in FORWARD hole and snap clip ring over end of Safety Pin as
shown.

4
WARNING:Do not use the trailer without proper installation of the safety pin.
Installing the Wheels
Steps:
1. Turn the unit on it’s back.
2. Slide each Wheel Shaft (A) into the Trailer Axle (B).
3. Press the Lock Button (C) until the Wheel locks into position and cannot be
pulled out. .
4. Repeat for opposite side.
NOTE: To remove the Wheel, push in the Lock Button and pull the Wheel out of the
Axle.
WARNING:
Ÿ For easy towing and safe handling, check tires often for proper inflation and
wear. Check tire pressure regularly and inflate tires to within the range shown on
the tire sidewall.
Ÿ Failure to properly install wheels could allow them to come off during use. This
could lead to serious injury.
Attaching the Trailer to Bike
Steps:
(Hitch Connector (9) may be pre-install from the factory)
1. Insert the Hitch Connector (9) into the Hitch Arm (5).
2. Insert Safety Pin (7) and snap Clip Ring (A) over end of Safety Pin as shown.
Safety Pin Hitch Arm

5
3. Remove the left rear Axle Nut (A) from the bike.
4. Fasten the Hitch Connector (9) onto the rear axle using the existing Axle Nut as
shown.
5. Ensure wheel is properly aligned and chain properly tightened as described in
bicycle owner’s manual.
6. Install and tighten Axle Nut as described in bicycle owner’s manual.
Attaching Safety Strap to Bike
Steps:
1. Route Safety Strap (20) around Bike’s Frame (A) as shown.
2. Securely fasten Strap Clamp (B) to Bracket (C) as shown.
3. Ensure wheel functions properly with no interference.
WARNING:
NOTE: To remove the Trailer from the bike, reverse these installations steps.
Ensure wheel is properly aligned and chain properly tightened as described in
bicycle owner’s manual. Install and tighten Axle Nut as described in bicycle owner’s
manual.
Installing Flag
The Flag slides into the Slot in the side of the left Frame.
Steps:
1. Connect both sections of the Flag as shown.
2. Locate the Slot on the rear corner of the frame and slide flag shaft all the way in
so that it is secure.

6
WARNING: Do not use Trailer without Flag installed.
Product Usage
Securing and removing the cargo
When you secure/remove the cargo in/from the trailer, always check if the trailer is
stably connected with the bike.
WARNING: This trailer is only for cargo use, not for use as a child carrier.
Exceeding capacity may cause the trailer to become unstable. Balance weight
position of all cargo. Uneven loading may cause it to change balance and become
unstable.
WARNING:
ALWAYS WARE YOUR HELMET WHEN RIDING THIS PRODUCT!
CORRECT INCORRECT