Periodic Maintenance - Jet 414500 Operating Instructions And Parts Manual

Periodic Maintenance

Item Action
Saw blade 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
occasionally slows or comes
to a stop while sawing)
Lower drive Check bearing area for
wheel leakage of lubricant
Upper drive Check bearing area for
wheel leakage of lubricant
Drive wheel Check for cleanliness
rubber
protectors
Drive belts Check for smooth surfaces
and adherence to drive
wheel surface
Check for glazing
Reduction Check sight glass for level –
gearbox should be to halfway point
on sight glass
Blade support Check for wear, damage or
bearings lubricant leakage
Carbide blade Check for excessive wear
guides
Interval Maintenance
Whenever Replace blade when teeth are broken
operating saw
Whenever Replace blade when bent — or worn —
operating saw Use a wider blade for more accurate
straight cuts
When changing Use a different blade or dress the weld
blade with a grinder.
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
Monthly Replace bearing if leakage occurs
Monthly Replace bearing if leakage occurs
Daily and when Wipe or brush clean
changing blade
Monthly or when Clean when necessary — replace if
blade slippage damaged or excessively worn
occurs
Monthly, or when Replace a glazed belt — DO NOT USE
slippage occurs BELT DRESSING
(squealing belt)
Daily Fill up to half-way point on sight glass
with Shell Spirax HD90
Annually Drain and refill with Shell Spirax HD90
Monthly and Replace when necessary
when changing
blade
When changing Replace if excessively worn
blade
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