SAINT-GOBAIN Norton Clipper BLOCKBUSTER BBM307, Owner'S Manual

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OwnersManual-MasonrySaw-BBMSeries-Rev09-2023
Cleaning:
It is recommended to clean any slurry, dust build up, and other debris from the machine after each
usage. Use soap, water, and brush to clean taking care not to get water into any electrical
component. The unit can be pressure washed however do not pressure wash any electrical
component or motor in addition take care when pressure washing any decals as too high of pressure
can remove the decal from the machine and is not covered under any warranty. If water gets into any
of the electrical components or motor allow the unit to completely dry before connecting to any
electrical supply as a short may occur if water is present.
Motor Brushes Replacement
BBM307 Blockbuster Mini Masonry Saw requires constant air filter
replacement to avoid brushes damaged that will void the saw warranty.
Dust ingestion will damage the motor’s brushes, internal motor bearings,
and field windings and is not covered under any warranty.
Replace the brushes when the motor begins to lose power. Brushes
typically need to be replaced During the life of the saw.
Replace the brushes when over 2/3 of their original length is used (when
the overall length of the brush is less than 7/16” (11.1mm). It is normal for
the Brushes to wear down.
BBM307 Brush Replacement:
1. Disconnect the electrical supply
2. Remove the Air Filter.
3. Remove the four (4) Motor Air In-Take Cover mounting screws (see Figure 4-1:
Motor Air In-Take
Cover Removal ).
4. Remove the Motor Air In-Take from the motor.
5. Use a coin or wide blade screwdriver to remove the Carbon Brush Cap. Use care not to damage
the Carbon Brush Cap. Inspect the Cap for damage. If the Cap has any signs of damage replace (see
Figure 4-2
Carbon Brush Removal )
MAINTENANCE BBM307