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DYMAG® BOXSTROM™

CARBON HYBRID AUTOMOTIVE WHEELS

OWNERS GUIDE

TECHNICAL WHEEL FITMENT GUIDE

Tyres should always be fitted by qualified or trained fitters using the correct equipment,

with experience of fitting premium wheels and tyres.

11. PRE-INSTALLATION CHECKS

11.1.

Studs and mounting surfaces

Clean and inspect all stud threads and mounting surfaces. Threads must not be damaged

and must be free of corrosion, burrs and fractures. Replace any studs that are corroded or

damaged.

WARNING: DO NOT LUBRICATE THREADS UNDER ANY CIRCUMSTANCES

11.2.

Hub Fasteners (lug nuts or lug bolts)

Always use new hub fasteners when installing new wheels. Be certain that the fasteners

are correct for the application. It is critical that the fasteners match the thread diameter,

pitch and seat type; otherwise the installation will be incorrect, which could cause a

dangerous condition.

Types of fastener seats used for different wheel options are:

•

Conical seat - Fastener has a tapered seat engagement into the wheel

•

Flat seat - Fastener has a flat bottomed seat engagement into the wheel

•

Radius seat - fastener has a radius seat engagement into the wheel

The "seat" means the area on the wheel where the fasteners will clamp down.

Thread diameter refers to the diameter of the stud measured at the outer edges of the

threads.

Thread pitch refers to:

•

The number of threads per inch (imperial)

•

The distance between the threads in millimetres

Check the thread engagement. Every stud or bolt must be long enough to thread a length

at least equal to the stud or bolt diameter. For example, a 0.5" thread diameter, must

thread into the lug nut at least 0.5". Check for this problem on every stud as lengths may

vary. Less than one stud thread diameter engagement is unsafe and will cause loss of

torque and should not be used under any circumstances.

WARNING: DO NOT INSTALL THE WHEELS IF YOU FIND A PROBLEM. IF IN ANY

DOUBT WHATSOEVER AS TO THE SUITABILITY OF THE FASTENER, CONSULT YOUR

DEALER OR DYMAG DIRECTLY FOR TECHNICAL SUPPORT

11.3.

Maximum Load Rating

The maximum load rating of the wheel has been determined by Dymag and is marked

on the back of the spokes and is also shown in the product literature. Wheel load rating

requirements are determined by dividing the vehicle's gross axle weight rating (G.A.W.R)

by two. The axle weight rating for most vehicles is shown on the identification label

located on the driver's side door jamb, petrol tank door, boot lid or glove compartment.

WARNING: IF SUCH A LOAD RATING IS UNKNOWN OR UNAVAILABLE THE WHEEL

SHOULD NOT BE USED ON THE VEHICLE

WARNING: REGARDLESS OF THE TYRE'S MAXIMUM LOAD RATING, DO NOT EXCEED

THE MAXIMUM LOAD RATING OF THE WHEEL

IF IN ANY DOUBT WHATSOEVER, CONSULT YOUR DEALER OR DYMAG DIRECTLY FOR

TECHNICAL SUPPORT

12. WHEELS FITMENT CHECK

Before mounting the tyres, perform a wheel fitment check at each wheel mounting

location using the following steps:

12.1.

Remove front wheels from vehicle

12.2.

Wire brush the wheel mounting surface and threaded studs on the vehicle

12.3.

If applicable, remove any retaining clips. If not removed, they will prevent the