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WARNING: 

Bikes or rack falling in road can cause serious accidents resulting in bodily injury—do not use rack on any

vehicle on which it can not be properly mounted as described in this instruction sheet.

Rack should only be used on vehicles with 2” receiver hitches.

NEVER

 use on trailers or front of vehicles.

Bikes must be tied to rack using tie-downs, or additional straps if necessary.

Check periodically during use that all bolts and pins are tight, and that rack and bicycles are secure.

Never carry more than 4 bikes 

(max capacity 140 LB

/ 35 lb per bike

)

 - no tandems, mopeds, or recumbents. Car 

tail lights must

 

remain visible.

Drive conservatively, especially over bumps. Never use off-road.

•  

Do not use if any part of the rack is damaged, worn, or missing. Contact R. A. Allen Co., Inc. for replacement 

parts.

CAUTION: 

Use Allen 

ZN540

 only in accordance with local 

motor

 

vehicle and traffic regulations.

• Install rack and load bicycles only at a safe distance away

from moving traffic.

• Make sure that all of rack and bicycles are kept at a safe distance

from road and hot exhaust.

• Only operate vehicle with rack in an upright, locked position.
• Bicycles should never extend beyond sides of vehicle.
• Remove rack from car, or fold carry arms down when not in use.

INSERT LOWER PORTION OF RR POST INTO
HITCH INSERT SO THAT THE HOLES AT THE
BOTTOM OF EACH PART LINE UP.

INSERT THE 3/8” X 3” BOLT THROUGH THE HOLE, 
AND THREAD 1—3/8” LOCK NUT ONTO THE END
OF THE BOLT.

PIVOT THE RR POST INTO THE UPRIGHT
POSITION, SO THAT THE UPPER HOLES LINE UP.
INSERT THE QR CLIP THROUGH THESE HOLES,
AND SECURE THE WIRE RETAINER CLIP.

TIGHTEN NUT AND BOLT FIRMLY USING TWO
WRENCHES.

• INSERT CARRY ARM ASSEMBLY

INTO UPPER PORTION OF RR POST,
LINING UP THE HOLES IN EACH
PART.

• INSERT THE 3/8” X 2 1/2”BOLTS

THROUGH EACH HOLE, AND
THREAD 1—3/8” LOCK NUT ONTO
THE END OF THE BOLTS.

•TIGHTEN NUT AND BOLT FIRMLY

USING TWO WRENCHES.

NOTE:

 UPON COMPLETION,

BOTH PARTS SHOULD BE
FIRMLY JOINED TOGETHER.

IMPORTANT:

WHEN RACK IS IN AN 
UPRIGHT POSITION,WIRE 
RETAINER ON QR CLIP 
SHOULD ALWAYS BE IN A 
CLOSED POSITION TO KEEP 
RACK FROM FALLING OVER 
DURING USE.

CARRY ARM ASSEMBLY

TOOLS REQUIRED:

 2—9/16” WRENCH & 2—3/4” WRENCH;

OR 2—ADJUSTABLE WRENCHES

PARTES:

HITCH INSERT W/
FILLER PLATES

ZN540

 BOX SHOULD CONTAIN THE

 

FOLLOWING ITEMS:

1-

CARRY ARM
ASSEMBLY

1-

1—HARDWARE KIT,

 CONTAINING:

2—3/8” X 2 1/2” BOLT

1—3/8” X 3” BOLT

4—3/8” LOCK NUT

1—1/2” LOCK NUT

1—1/2” NO-WOBBLE BOLT

RR POST

1-

A.

ASSEMBLING RACK:

B.

STEP 1

STEP 2

3/8” X 2 1/2”
BOLT

RR POST

QR CLIP

3/8” X 3”
BOLT

HITCH 
INSERT

3/8” LOCK
NUT

MODEL ZN540 

INSTRUCTIONS

ENGLISH - PAGE 1

PRODUCT REGISTRATION:

 

MAKE SURE TO REGISTER YOUR PURCHASE AT 
http://allensportsusa.com/about/product-registration 
TO QUALIFY FOR PRODUCT WARRANTY AND TO 
RECEIVE IMPORTANT PRODUCT NOTIFICATIONS

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