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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.
Secure the maintenance area if necessary.
6.1
Changing the liners
Loosen the press bolt of the top liner and remove the cover.
Take the top liner(4) out.
Loosen the nuts(25) of the side liners(19 & 21) and plenum liner(3). Take them out at the bottom of
the housing.
To mount the liners, keep on the following sequence:
First place the plenum(3) liner and fix it with the nuts.
Place the side liners(19 & 21) inside the housing.
The sideliners may stick out the body for max. 1mm.
Tighten the nuts (25).
Place the top liner(4) in the housing and make sure that the
top liner sits close to the edges of the side liners(19 & 21).
Place the cover and tighten the bolts.
Tighten the pressure bolt of the top liner slightly and press the
top liner(4) against the side liners(19 & 21).
6.2
Changing the tune-up kit
The tune-up kit consists of the blastwheel, the cage and a bolt.
Remove the feed spout
Remove the cage clamps
Remove the cage and blastwheel cover plate
Block the blastwheel and remove the central fixing bolt
Take the blastwheel out of the housing
Use a new central fixing bolt when mounting a new blastwheel
Place the blastwheel on the hub and tighten the central fixing bolt.
Fix the blastwheel cover plate with 3 nuts and clamping handle.
Insert the control cage in the center and clamp the cage with the control clamps so that the blastwheel
can rotate freely
Turn the blastwheel manually. It must rotate freely.
Place the feed spout between the abrasive valve and the cage.
