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H3368 Grinder/Sander Combo -19-
SECTION 7: MAINTENANCE
Always be aware of the condition of your
machine. Routinely check the condition of the fol-
lowing items and repair or replace as necessary:
• Loose mounting bolts
• Worn switch
• Worn or damaged cord
• Worn or damaged support bearings
• Damaged grinding wheel
• Any other condition that could hamper the
safe operation of this machine.
General
Sealed and pre-lubricated ball bearings require
no lubrication for the life of the bearings. All bear-
ings are standard sizes, and replacements can be
purchased from our parts department or a bearing
supply store.
Lubrication
Clean (“unload”) sanding belts regularly with
PRO-STIK
®
belt cleaners. These crepe-rubber
belt cleaners quickly remove gum and grit from
belts with out damage. Just press the cleaning
block against your sanding belt until it is clean.
Sanding Belts
The grinding wheel should be inspected before
every use. Use the “ring test” method from page
15 to verify the structural integrity. Take care in
storing grinding wheels to keep them free from
potential damage by being dropped or having
other items dropped on them.
Replace the wheel when the wheel diameter is
reduced to 5". Operating at anything less than this
diameter does not allow the proper alignment of
the tool rest and the eye shield.
Depending on the type of grinding you do, the
grinding wheel may require periodic dressing.
Refer to the “Wheel Dressing” instructions in this
manual for details on how this is done.
Grinding Wheels
Disconnect power to the
machine when perform-
ing any maintenance,
assembly or adjust-
ments. Failure to do this
may result in serious
personal injury.
!