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All repair work must to be done by qualified Blastrac personnel, this to guarantee a safe and reliable machine.
Any guarantee on the machine is expired when:
Non original Blastrac parts have been used
Repair work is not done by qualified Blastrac personnel
Changes, add on’s or conversions are undertaken without written permission of Blastrac BV
Screws, bolts etc. that have been removed must be replaced with those of the same quality, strength, material
and design.
Do not weld, flame cut or perform grinding works on or near the machine. Danger of fire or explosion exists!
Provide adequate ventilation when working in a confided space.
Secure the maintenance area if necessary.
Prevent premature wear by keeping the machine as dust free as possible. Clean the machine for this
reason regularly with a dust collector
Clean the machine every day with air and non-aggressive materials. Never use a high pressure water cleaner
to clean the machine.
6.1 The scarifying drum
The scarifying drum is a very important component of your scarifier, so you should pay special attention while
maintaining and repairing.
The main shaft has to be cleaned and lubricated when you replace the scarifying drum, so that any rust or
sediment can’t complicate your work when you change the drum the next time.
If the scarifier drum should be disassembled in order to rearrange it in a different way or to replace wear
parts, it is absolute necessary to observe the quantity and quality of flails / cutters and spacers as described in
the assembly plans shown in the service manual. Also, pay attention that the bores on the cover plate for the
lateral axle are not worn out and all screws are tightened. In order to obtain a uniform and perfect scarifying
pattern on the surface , you need to adjust the correct scarifying working depth, check the correct assembly of
the scarifying drum as well as the appropriate selection of tools for the surface to be treated.
If the scarifying drum is not uniformly assembled the machine will become unbalanced and excessive wear,
will arise. Blastrac will not feel responsible for any faulty parts, that are damaged caused by inappropriate
assembly.
6.2 Belt drive
The tension of the synchronous belt will be carried out through the
motor plate. the motor can be lifted and let down with the 4 hexagon
nuts, which are located above and under the motor plate. The
synchronous belt will be stretched and loosened by lifting and letting
down the motor.
Pay attention that the synchronous belt lies parallel and has the
correct tension. The belt has the correct tension If you could
press it in for approx. 5mm.
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