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7 Guide Sleeve, Dust Excluder, Retainer and Bush
Fig. 46
Fig. 47
Round plain "plastic bush"
Fig. 48
Set the gauge to zero. Swivel the housing as far as possible in the
opposite direction without allowing the Brake to slide.
NOTE
: Maximum acceptable reading is 2.0 mm
If this figure is exceeded then the guide sleeve and bushes
require attention as described in the following pages.
Remove the brake pads as described in section 2 "Pad
replacement".
Remove the Bridge as described in section 4 "Bridge
replacement".
Remove the housing assembly as described in section 5
"Housing replacement".
Transfer the Brake housing to a suitable workbench.
Remove the guide sleeve end caps. (Fig. 47)
Dismantling Round & Oval Guide Sleeve Bush &
Retainer (Long & Short Guide Sleeves)
Description
There are 2 types of Guide Sleeve bushes used. 2 round "plastic"
bushes in the long sleeve bore fig 48 and 1 oval "bronze" bush in
the short guide sleeve bore Fig 53.
NOTE
: The process of removing the long guide sleeve bushes
from the housing will at the same time remove the dust excluder
retainer, which is pressed into the mouth of the housing guide
sleeve bore. This is not true for the case of the removal of the
short guide sleeve oval bush. Due to the presence of a lip (Fig
53), this bush must be removed from the opposite direction to
that of the long guide sleeve bushes.
ArvinMeritor Air Disc Brake ELSA 195
37
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