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13
Figure 8-13
9.0 Operating controls
Refer to Figure 9-1.
Power Indicator Light (A) – Illuminates whenever
machine is receiving electrical power.
Blade Start (B) – Press to start blade movement.
Blade Stop (C) – Press to stop blade movement.
Emergency Stop (D) – Press to instantly stop all
machine functions. To restart machine, rotate E-
stop button clockwise until it releases.
Bow Up (E) – Press to raise bow while in Automatic
Mode. Bow will rise until limit switch is activated.
This button is rendered inactive in all modes while
blade is engaged in workpiece.
Bow Down (F) – Press to lower bow while in
Automatic Mode. This button is rendered inactive in
all modes while blade is engaged in workpiece.
Hydraulic Vise Close (G) – Press and hold to
clamp workpiece in vise [HBS-1220MSAH only].
Hydraulic Vise Open (H) – Press and hold to
release workpiece in vise [HBS-1220MSAH only].
Coolant Switch (J) – Turn knob to “I” to start
coolant flow. Turn to “O” to stop coolant flow. Flow
may also be regulated at the two valves located atop
the bow.
Bow Feed Rate Control (K) – sets speed of bow
descent, i.e. amount of downward force that is
applied to workpiece. The feed rate is proportional
to the opening of the valve. When set to zero, bow
is locked in raised position. Turn knob
counterclockwise to increase feed rate; clockwise to
reduce feed rate.
Manual/Auto Selector (L) – Choose manual or
automatic bow movement.
Figure 9-1
10.0 Operation
Refer to Figure 9-1.
10.1 Manual mode
1. Raise bow and set feed rate knob to zero.
2. Make sure workpiece is secure within vise and
set for desired width of cut.
3. Make sure left blade guide bracket is adjusted
as close as possible to left vise jaw.
4. Turn selector switch (L) to manual mode.
5. Press Start (B) to begin blade movement.
Activate coolant flow (J).
6. Turn downfeed control (K) to desired rate. Bow
will descend until operation is complete. Then
blade stops and bow remains in down position.
7. Press and hold Bow Up (E) to return bow to
raised position, then release button.
NOTE: In manual mode, Bow Up/Down and Vise
Open/Close buttons (E/F/G/H) are rendered inactive
while blade is engaging workpiece.
If E-stop (D) is pressed in manual mode, all
functions will cease. While E-stop is engaged, you
may press and hold Blade Up button (E) to return
bow to raised position. Release the button and bow
will stop functioning. To resume operations, rotate
E-stop button clockwise until it disengages.
10.2 Automatic mode
1. Raise bow and set feed rate knob to zero.
2. Make sure workpiece is secure within vise and
set for desired width of cut.
3. Turn switch (L) to auto mode.
4. Press Start (B) to begin blade movement.
5. Turn downfeed control (K) to desired rate. Bow
will descend until operation is complete. Then
blade stops and bow will automatically return to
raised position.
6. If Stop (C) is pressed during the operation, both
blade and bow will stop. Press and hold Bow Up
(E) to return bow to raised position.
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