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-18- G5963 Surface Grinder
SECTION 6: MAINTENANCE
Make a habit of inspecting your Surface Grinder
each time you use it. Check for the following con-
ditions and repair or replace when necessary:
1. Loose mounting bolts.
2. Worn switch.
3. Worn or damaged cords and plugs.
4. Damaged Grinding Wheel.
5. Any other condition that could hamper the
safe operation of this machine.
General
Grinding Wheels
The grinding wheel should be inspected before
every use. Use the ring check method noted in
the Grinding Wheel section in Operations to veri-
fy the structural integrity. If using coolant during
grinding, always run the wheel for 5-10 minutes at
the end of the operation to remove any coolant
from the wheel. Take care in storing grinding
wheels to keep them free from potential damage
by being dropped, or having other items drop on
them.
Table
The table and other non-painted surfaces on the
Model G5963 should be protected against rust
and pitting. Wiping the table surface with a slight-
ly oily rag will protect bare metal surfaces from
moisture.
Periodically lift the sliding table off of the ways
and make sure the V-grooves and the helical
gear underneath are free of debris and metal
dust. Wipe the V-grooves of the table and the
saddle down with way oil (Mobil Vactra #2 or
equivalent) prior to reassembly.
Lubrication
Besides the one-shot lubrication system, the
Model G5963 features factory-sealed bearings. A
sealed bearing requires no lubrication during its
lifetime. Should a bearing fail, your surface
grinder will probably develop a noticeable rumble,
which will increase when the machine is put
under load. If allowed to get worse, overheating
of the journal containing the bad bearing could
occur. If the bad bearing is not replaced, it will
eventually seize - possibly doing damage to other
parts of the machine. Bearings are standard sizes
and can be replaced through Grizzly.