Aunger APT4300 User manual
Aunger APT4300 Box Trailer
Assembly Instructions
TRAILER KIT
APT4300
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
2
Warning – Avoid accidents
Keep children and pets away from the work area.
Maintain an orderly work area. Avoid laying cables, wires etc. on the floor.
Use personal safety equipment when using tools.
It is highly recommended that when assembling this trailer that two persons undertake
the task as some heavy lifting is required
No Tools are required for assembly
The following tools are included with this kit
1) 8-10 mm spanner
2) 10-12 mm spanner
3) 13-16 mm spanner
4) 14-17 mm spanner
5) 21mm socket wrench
Should you wish to use your own tools, feel free to substitute any tool, these are provided
for your convenience.
Note: A locking solution can be used on bolts for permanent assembly of the trailer,
however it is not essential.
Lay out all components, as per the diagram on the following page, prior to beginning
assembly to ensure all required parts are present and to assist with easy part
identification.
If there are components missing, DO NOT ASSEMBLE THE TRAILER, contact Aunger on
(07) 3260 2400 for replacement parts. DO NOT substitute any component as this will void
warranty and may affect ADR compliance.
If you have any problems with assembling the trailer, please contact Aunger on
(07) 3260 2400 for technical assistance
If you would like to enquire about having your trailer assembled for you,
please contact Future Logistics on 1300 307 712.
Please Note: Future Logistics is an assembly agent only and any technical
assistance or sales enquiries should be directed to Aunger.
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
3
This assembly instruction is for building TRAILER KIT APT4300.
Please use the enclosed assembly kit:
NO. DESCRIPTION QTY NO. DESCRIPTION QTY
1 M8*20 HEX-BOLT 4 18 10 L LATCH 1
2 M10*30 HEX-BOLT 4 19 FRONT GATE 1
3 M8*30 FLANGE HEX-BOLT
2 20 REAR GATE 1
4 M6*15 FLANGE HEX BOLT
4 21 LEFT SIDE PANEL 1
5 M8*15 FLANGE HEX-BOLT
11 22 RIGHT SIDE PANEL 1
6 M10*80 HEX-BOLT 2 23 PLATFORM 1
7 M10*75 HEX-BOLT 1 24 DRAWBAR 1
8 M8 LOCKNUT 2 25 FENDER (Mud Guard) 2
9 M10 LOCKNUT 3 26 LIGHT BOARD 1
10 M6 LOCKNUT 4 27 LIGHT BOARD SUPPORT 2
11 M8 SPRING WASHER 4 28 HITCH COUPLER (Coupling) 1
12 M10 SPRING WASHER 4 29 TRIANGLE BRACKET 1
13 RIGHT-ANGLE ELBOW 2 30 AXLE w/ shock absorbers 1
14 M6 FLAT WASHER 4 31 WHEEL 2
15 M10 FLAT WASHER 4 32 ELBOW (Drawbar Bracket) 1
16 M8 FLAT WASHER 6 33 CHAIN 1
17 M8 LOCK WASHER 11
Explanation of bolt sizes
E.g. M10*30 Flange Hex Bolt Type of Bolt i.e hex head with flange
Size of the bolt head – 10mm Length of Bolt Shaft – 30mm
32
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
4
1. Begin by placing the platform upside down as shown. The bolt holes are at the front of
the trailer.
2. Place the axle on the platform as shown and use 2 x M10*30 hex-bolt, 2 x M10 Flat
Washer & 2 x M10 spring washer in each side. Place the flat washer first and put the
spring washer on top and then insert bolt and tighten.
Then fasten all four bolts.
Front of Trailer
Please note: the axle arms are pointing away from the bracket in the front of the trailer.
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
5
3. Place the elbow (drawbar bracket) (3) onto the front of trailer platform with the two right
angle elbows on top as shown (1&2). Secure with 2 x M8*30 flange hex bolt and 2 x M8
lock washer.
4. As the light board is attached to the drawbar, slide the light board under the axle prior to
attaching drawbar.
1&2
3
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
6
Fit the drawbar front and rear as shown. Attach drawbar to axle with 1 x hex-bolt M10x75
and locknut M10 and tighten (1). Secure drawbar latch as shown (2), insert R pin through
latch
5. Fit the lightboard as shown. In the centre of the board, use 1 x M8*15 Flange Hex Bolt
and 1 x M8 Lock Washer and tighten.
6. Once the lightboard is fitted, attach the light board supports using 2 x M6*15 Flange
Hex-Bolt, 2 x M6 Flat Washer and 2 x M6 Locknut as shown. Repeat for other side
1
2
M6
Locknut
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
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7. At this time, secure the black plastic tube that contains the wiring to the body of the
trailer as shown below. Simply twist these ties to secure the wire.
8. Remove the Hubnuts from the axle. Then mount a wheel on each side using 4 x M12
hubnuts (ensure tapered edge is facing in and located within hole). Make sure the black
tire valve is on the outside. Finger tighten each hubnut and then gradually tighten each
hubnut moving around the wheel until tightened hard.
9. Once the light board is attached in the centre
and you have fitted the light board supports,
turn the trailer over onto its wheels.
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
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10. Loosen the knob first and then rotate locking plate over elbow (drawbar bracket) and
tighten. Ensure the nut underneath the knob on the underside of the drawbar is tightened.
Put the two R pins into the two holes. One hole is on the L latch and another is on the
thread of the knob.
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
9
11. Attach the side panels by aligning the panel and the holes in the trailer body (1). The
bolts on the bottom at the rear of the side panel will secure the light board to the trailer (2).
Note: the gatelock mechanism should be at the rear of the trailer
Attach 1x M8* 15 flange hex bolt, 1 x M8 Flat Washer and 1 x M8 Locknut at rear as
shown with the light board panel on the inside (3). Put the washer under the Locknut.
Repeat for other side.
Attach 1 x M8* 15 flange hex bolt and 1 x M8 Lock Washer in bottom of side panel (at the
front) as illustrated (1). Repeat for other side.
The bolts must not be tightened before all the bolts are in place including the ones in the
frontgate. This helps with ensuring all panels line up evenly.
3
2
1
Assemby Instructions for APT4300 – Aunger 4’x 3’ Trailer
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Your trailer should now look like this:
12. Mount the frontgate. The front gate is the panel with the white reflectors on it.
Put 1 x M8* 15 flange hex bolt and 1 x M8 Lock Washer in each side of the gate at the top
(1). Put 1 x M8*15 flange hex bolt and 1 x M8 Lock Washer in each side at the bottom (2).
Repeat for other side.
Put 2 x M8* 15 flange hex bolt and 2 x M8 Lock Washer in the bottom sill of the gate (3).
1
2
3
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