Operating Instructions Manual BMG-2500 MULTI GRINDER
27
JANUARY 2005
© International Surface Preparation Group, Inc.
10.2
Dust guard adjustment - Check the adjustment of the dust guard height and the condition of the
brushes. Correct placement of the dust guard is down all the way to the floor surface.
10.3
Gear case maintenance - If you suspect problems with the gears in the gear case, such as out of
synchronization tool holder arms,
do not
attempt to repair the machine yourself. Contact Blastrac
at 1-800-256-3440 to arrange for factory service to be performed.
10.4
Morflex
®
flexible couplings - Check the attachment bolts weekly for tightness. Loose bolts cause
extreme vibration and premature failure of the rubber inserts in the couplings. Both Morflex
couplings should be replaced once a year whether you use the machine or not.
10.5
High motor temperatures
10.5.1 Elevated running temperatures are normal for this style motor. Typical running
temperatures can be in excess of 165
°
F.
Do not touch motor!
10.5.2 This machine is equipped with a thermally protected motor starter. This protects the motor
against low voltage and overload conditions that could raise the temperature of the motor
beyond safe limits.
10.6
Changing and inspecting the tungsten carbide cutters and diamond plugs.
10.6.1 Friction caused by running this machine over a floor causes heat to build up in the tools
and tool holders
.
Allow them to cool before touching.
Figure 12 – Warning label – hot surface
Figure 13 – Warning label – hot surface inside
