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SKU 02575 For technical questions, please call 1-800-444-3353. Page 6
ASSEMBLY INSTRUCTIONS
Note: For additional references to the parts listed below, refer to the Assembly Diagrams
near the end of this manual.
To Assemble the Tires, Wheels, and Axle:
Insert one Hub (20) fully onto each end of the Axle (19).
BEARING PACKING INSTRUCTIONS: Read the following instructions; failure
to read and obey all of the following instructions COMPLETELY will void the
warranty and can result in damage to the trailer, property damage, or SERI-
OUS PERSONAL INJURY.
Whenever a hub is disassembled (if a hub on a new unit requires assembly or a hub
is disassembled for maintenance), the following procedure MUST be followed.
Using a suitable solvent, thoroughly clean the bearings and the rest of the parts in
the Hub assembly of all grease, dirt, metal shavings, or any other foreign object.
The parts must be cleaned even if they are new or appear clean.
Allow all pieces to dry completely.
Make sure that your hands are thoroughly clean and the bearing packer (not
included) is also thoroughly clean.
Place fresh, clean bearing grease in the packer.
With the grease-filled bearing packer in one hand and the bearing in the other,
press the bearing into the grease, forcing the grease inside the slots in the
bearing, continue doing this until every slot in the bearing is completely full of
grease.
Be careful not to get any dirt or debris on any part of the assembly while you
continue assembly.
Insert one Outer Bearing (21) into each Hub (20). Then, insert one 3/4” Flat Washer
(O) fully onto each end of the Axle (19).
Screw one Castle Nut (Q) fully onto each end of the Axle (19). NOTE: Do not
overtighten the Castle Nut. Make sure the Hub (20) turns freely. Then insert one
5/32” Cotter Pin (P) through each of the Castle Nuts, and bend each Cotter Pin to
secure the Castle Nut in place.
Insert one Dust Cap (22) onto each of the two Castle Nuts (Q). NOTE: A rubber
mallet (not included) may be required to firmly secure the Dust Caps onto the Castle
Nuts.
Align the four mounting holes in a Tire & Wheel Assembly (23) with the four Lug
Bolts on a Hub (20), and insert the Tire & Wheel Assembly onto the Hub. Firmly
secure the Tire & Wheel Assembly to the Hub, using four Wheel Nuts (S). Then,
repeat this Step for the remaining Tire & Wheel Assembly and Hub.
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