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14
Operation
The PB-85 and PB-150 Band
Saws have been designed for dry cutting of
metals only. Also, do not cut magnesium as
this may present a fire hazard.
Support long workpieces with roller stands.
The start/stop switch contains a safety feature.
To prevent the band saw from being turned on,
pull out the section of the switch, as shown in
Figure 15, and store it in a safe place. To
operate the band saw, re-insert the switch
section.
The band saw has an internal thermal overload
to protect the motor, and will activate in case of
numerous successive cuts or constant
overfeeding. If the machine suddenly shuts off,
release the button on the hand grip. Wait
several minutes for the thermal overload to re-
set itself, then press the hand grip button again.
Remove cut or jammed workpieces only when
the motor has been turned off and blade is at a
complete standstill.
General Operating Procedure:
1. Verify that all guards, covers, etc. are in
place and in working order, and the blade is
tensioned properly.
2. Place workpiece in vise and tighten vise.
The workpiece should be fitted directly
between the jaws without adding other
objects.
When the workpiece to be cut is a profiled
section, flat piece or special shape, refer to
the examples shown in Figure 16 for proper
clamping positions. The top row shows
acceptable clamping positions, the bottom
row shows unacceptable positions.
If the thickness of the profiled section is very
thin, a piece which duplicates the profile
should be fitted inside the workpiece itself,
to prevent the workpiece being crushed
between the jaws.
Never hold a workpiece by
hand when cutting it. The workpiece should
be firmly secured in the vise. Never reach
into the cutting area during cutting
operations.
3. Set the blade guide assembly as close to
the workpiece as possible to prevent excess
exposure of the blade during the cut.
4. Flip up the switch to START position.
Figure 15
Figure16
Figure 17