20
Periodic Maintenance
Maintenance
Replace blade when teeth are
broken
Replace blade when bent — or worn
— Use a wider blade for more
accurate straight cuts
Interval
Whenever
operating saw
Whenever
operating saw
When changing
blade
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
Item
Saw blade
Whenever
sawing
Use a different blade or dress the
weld with a grinder.
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
Upper drive
wheel
Drive wheel
rubber protec-
tors
Drive belts
Reduction
gearbox
Blade support
bearings
Carbide blade
guides
Monthly
Monthly
Daily and when
changing blade
Monthly or when
blade slippage
occurs
Monthly, or when
slippage occurs
(squealing belt)
Daily
Annually
Monthly and when
changing blade
When changing
blade
Replace bearing if leakage occurs
Replace bearing if leakage occurs
Wipe or brush clean
Clean when necessary — replace if
damaged or excessively worn
Replace a glazed belt — DO NOT USE
BELT DRESSING
Fill up to half-way point on sight glass
with Shell Spirax HD 90
Drain and refill with Shell Spirax
HD 90
Replace when necessary
Replace if excessively worn
