Operating Instructions BMP-E165
Section 3 - General Information April 2006
©Blastrac April 2006
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3.3 Mechanical Operating Elements
Depth Setting Adjustment:
Turn the depth setting adjustment wheel or hand wheel to set the scarifier depth
so that the individual scarifier cutters bite correctly (scratch) and the desired
surface profile is obtained. The depth setting adjustment enables the scarifier
cutters to be set as deep as required on the surface to be treated.
The scarifier depth should only be set “deep” enough so that the scarifier cutters
are thrown up without obstruction through centrifugal force and can turn freely on
their individual shaft. If the depth setting has been set correctly, the scarifier will
run smoothly and evenly.
3.4 Scarifier Drum Details
The scarifier drum is the heart of the scarifier. The scarifier drum has a very
simple structure. The individual scarifier cutters slide onto their individual shaft
with spacer washers as shown in the enclosed assembly plan. The washers
ensure that there is sufficient clearance between the scarifier cutters.
The enclosed component-mounting diagram takes into account a required lateral
play of approximately 1-3mm for the scarifier cutters.
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