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20
Periodic Maintenance
Item Action Interval Maintenance
Saw blade Listen for sound of missing
teeth
Whenever
operating saw
Replace blade when teeth are broken
Observe cutting action for
cleanness and accuracy
Whenever
operating saw
Replace blade when bent — or worn —
Use a wider blade for more accurate
straight cuts
Listen for a poor weld; a
“click” as it passes through
the guide blocks
When changing
blade
Use a different blade or dress the weld
with a grinder.
Watch for signs of slippage
on the drive wheels (blade
occasionally slows or comes
to a stop while sawing)
Whenever sawing Be sure you are using the correct blade
tension — Check drive wheel rubber
strips for cleanliness and adherence to
drive wheel — replace if necessary
Lower drive
wheel
Check bearing area for
leakage of lubricant
Monthly Replace bearing if leakage occurs
Upper drive
wheel
Check bearing area for
leakage of lubricant
Monthly Replace bearing if leakage occurs
Drive wheel
rubber
protectors
Check for cleanliness Daily and when
changing blade
Wipe or brush clean
Drive belts Check for smooth surfaces
and adherence to drive
wheel surface
Monthly or when
blade slippage
occurs
Clean when necessary — replace if
damaged or excessively worn
Check for glazing Monthly, or when
slippage occurs
(squealing belt)
Replace a glazed belt — DO NOT USE
BELT DRESSING
Reduction
gearbox
Check sight glass for level –
should be to halfway point
on sight glass
Daily Fill up to half-way point on sight glass
with Shell Spirax HD90
Annually Drain and refill with Shell Spirax HD90
Blade support
bearings
Check for wear, damage or
lubricant leakage
Monthly and
when changing
blade
Replace when necessary
Carbide blade
guides
Check for excessive wear When changing
blade
Replace if excessively worn
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