BANDSAW OPERATIONS - OD1646 - LESSON 2/TASK 1
Do not over-lubricate, since oil will coat the belts
and cause slippage.
When the saw guide backup bearing caps become worn or
grooved, they should be replaced.
On the 1/16 to 1/2 inch guides, the
bearings, caps, and shaft are replaced as a unit.
When replacement is
required, loosen the set screw holding the bearing assembly. Then replace
the complete assembly. On the 5/8 to 3/4 inch guides, the bearing cap and
shaft are replaced by removing the snap ring and pulling out the bearing cap
The bearings are installed with a light press fit and can be
easily replaced. Both types of bearings are permanently lubricated and need
no further lubrication.
The rotary air pump on the model 1612-0 bandsaw machine
should not be oiled.
The vanes are made of plastic, and oil tends to
Use powdered graphite very sparingly.
This graphite is
forced into the pump through the air inlet while the pump is in motion.
Remove the air cleaner and wash it in gasoline or solvent monthly.
Maintenance Procedures for the Model 2612-1M Bandsaw Machine
Maintenance procedures for the model 2612-1M bandsaw machine include
adjusting and replacing the wheel brushes, replacing the wheel tires,
cleaning and lubricating the variable speed pulley, replacing the saw
guides, adjusting and replacing the drive belts, adjusting the band tension
indicator on the head assembly, and flushing the transmission. The electric
motor is maintained following the manufacturer's instructions located on the
tag attached to the motor.
Wheel Brushes. The wheel brushes should be checked occasionally. If
a brush is worn so that it is no longer contacting the wheel face, the
adjusting screws should be loosened and the brush moved up to the wheel. A
worn brush should be replaced.
To replace a wheel tire (figure 38 on the following
page), follow this procedure: