Operating Instructions BMP-E165
Section 7 – Maintenance April 2006
©Blastrac April 2006
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7.6 Replacing the Scarifier Drum
Before beginning any repair or maintenance work on the
machine or its drives, ensure that it cannot be switched on
accidentally. Set the machine into the “Maintenance Mode”.
See Section 1.7 “Maintenance Mode”.
HOT! Friction caused by running this machine over any floor
causes heat to build up in the scarifier tools and the scarifier
drum. Use gloves when removing the scarifier drum to
prevent a burn injury.
Removal:
1) Unscrew the fastening screws from the side panel and remove panel
by pulling it away from the machine housing.
2) Pull the scarifier drum off of the drive shaft.
Installation
1) Clean the drive shaft and grease it evenly.
2) Slide the scarifier drum onto the drive shaft until it comes to a stop.
When fitting the side panel back on, make sure that the bearing unit is correctly
fitted into the side panel.
Never use any of these machines without the side panel and
protective guards correctly fitted and installed.
7.7 Influencing the Scarifying Pattern
The appropriate scarifying pattern depends on the surface being worked on and
can be influenced by varying the scarifying depth and the drive speed.
Depending on the surface to be scarified, selection of scarifier cutters, scarifying
depth and drive speed will vary. A correct selection can be obtained through trial
and error, preferably on an area of the surface that is not highly visible or
extremely important.
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