Blastrac BG-250 TWIN, Operating Instructions Manual, Page: 24 / 29

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CONSULT THE OPERATING INSTRUCTIONS OF THE PETROL MOTOR FOR
ADDITIONAL MAINTENANCE INSTRUCTIONS!
Further is advised:
Store the cleaned and dry machine in a dry and humid free room. Protect the electrical motors from moisture,
heat, dust and shocks.
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.
Work only with original Blastrac parts.
Check regularly to see if the diamond disc is in good condition. Replace immediately the diamond disc when
this is damaged or worn out.
Check if the flexible coupling is stiff enough after every day working. Replace if any deformation or damage is
found.
Unusual vibrations on the machine check immediately the diamond disc and flexible coupling.
6.1 Replacing the flexible coupling:

Pull out the key of the deadman switch.

Pull out the main plug (electric version)

Remove the diamond disc

Remove the dustcap

Loose the bolts of the adapter plate and the flexible
coupling

Take a new flexible coupling (part number: 000118-3)
and 12x new bushes (part number: 000118-3/BUSH)
assemble this together with the adapter plate on the
fixed coupling on the motor axle.

Mount the dustcap.
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.
Remove the diamond disc after using the machine.
6.2 Other maintenance