Page 66 - Catalog spare parts BPW EL-TS2

Auto Parts / Page 66 BPW-EL-TS2/TSB 31231902e
6 Wheel studs

General

BPW wheel studs
The wheel brace (or wheel disc) connects the rim with
the wheel hub and must absorb the high, lateral and
longitudinal forces that occur and transmit them to the
wheel hub via the wheel studs (wheel screws).

BPW axles with disc brakes are suitable for wheels with
either stud or spigot alignment, and with a few excep-
tions they are all supplied with helical fi t wheel bolts.

Helical studs are easy to maintain and connect the brake
disc to the hub using a pressfi t. As a result, there is no
need for internal nuts.

The hub bore is not damaged even after several removal/
fi tting operations (in contrast to splined bolts) and the
clamping forces for the wheel studs remain constant.

The prescribed BPW tightening torques for wheel faste-
ning are listed in the current BPW maintenance instruc-
tions and must be observed.

Assembly of the wheel studs
The helical fi t wheel bolt is inserted from the rear through max. 107.5
the hole in the brake disc / hub. 97
Then a sleeve is pushed over it, a wheel nut is applied
and the wheel stud is drawn into its fi nal position.

 It is important to ensure that the fl attened
head of the wheel bolt sits correctly!

Hub
Brake disc

Hub Brake disc

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