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Periodic Maintenance
Item
Saw blade
Lower drive
wheel
Upper drive
wheel
Drive wheel
rubber protec-
tors
Drive belts
20
Reduction
gearbox
Blade support
bearings
Carbide blade
guides
Action
Listen for sound of
missing teeth
Observe cutting
action for cleanness
and accuracy
Listen for a poor weld
— a "click" as it
passes through the
guide blocks
Watch for signs of
slippage on the drive
wheels (blade occa-
sionally slows or
comes to a stop while
sawing)
Check bearing area
for leakage of lubri-
cant
Check bearing area
for leakage of lubri-
cant
Check for cleanliness
Check for smooth
surfaces and adher-
ence to drive wheel
surface
Check for glazing
Check sight glass for
level — should be to
halfway point on sight
glass
Check for wear,
damage or lubricant
leakage
Check for excessive
wear
Maintenance
Interval
Replace blade when teeth are
Whenever
broken
operating saw
Replace blade when bent — or worn
Whenever
— Use a wider blade for more
operating saw
accurate straight cuts
When changing
Use a different blade or dress the
blade
weld with a grinder.
Be sure you are using the correct
Whenever
blade tension — Check drive wheel
sawing
rubber strips for cleanliness and
adherence to drive wheel — replace if
necessary
Monthly
Replace bearing if leakage occurs
Monthly
Replace bearing if leakage occurs
Daily and when
Wipe or brush clean
changing blade
Clean when necessary — replace if
Monthly or when
damaged or excessively worn
blade slippage
occurs
Replace a glazed belt — DO NOT USE
Monthly, or when
BELT DRESSING
slippage occurs
(squealing belt)
Fill up to half-way point on sight glass
Daily
with Shell Spirax HD 90
Drain and refill with Shell Spirax
Annually
HD 90
Replace when necessary
Monthly and when
changing blade
Replace if excessively worn
When changing
blade
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