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W1772/W1773 37" Drum Sander
SET UP
Recommended
Adjustments
For your convenience, the adjustments listed
below have been performed at the factory and
no further setup is required to operate your
machine.
However, because of the many variables
involved with shipping, some of these adjust
-
ments may need to be repeated to ensure opti
-
mum results. Keep this in mind as you start to
use your new drum sander.
Step-by-step instructions for these adjust
-
ments can be found in SERVICE.
1. V-Belt Tension (Page 33). Perform after
the first 16 hours.
2. Conveyor Tensioning & Tracking (Page 36).
3. Drum Adjustments (Page 38).
4. Pressure Roller Height (Page 42).
— If the top of the conveyor belt rotates
toward the front of the machine,
it is
moving in the wrong d
irection. Stop the
machine, shut OFF the power source,
then swap any two wires at the feed
motor relay (see
Figure 22). If the W1773
is connected to a phase converter,
swap
the L2 and L3 wires to correct the con
-
veyor belt rotation
.
6. Press the CONVEYOR STOP button to stop
the machine.
7. Model W1772: Press the SANDING DRUMS
START and SANDING DRUMS STOP
buttons.
The sanding drums should start, run, and
stop smoothly.
Model W1773: Verify that the power is
not connected out of phase by pressing the
SANDING DRUMS
START button, using the
criteria below:
— If the drums rotate toward the back of
the machine, they are moving in the cor
-
rect direction.
— If the drums rotate toward the front of
the machine, they are moving in the
wrong d
irection. Stop the machine, shut
OFF the power source, then swap any
two wires at the sanding drum motor
relay (see
Figure 22). If the W1773 is
connected to a phase converter,
swap
the L2 and L3 wires to correct the sand
-
ing belt rotation. (The "wild wire" is con
-
nected to the L1 terminal.)
8. Press the EMERGENCY STOP button to stop
the machine.
9. WITHOUT resetting the switch, press the
CONVEYOR START button. The machine
should not start.
— If the machine does not start, the
EMERGENCY STOP button safety feature is
working correctly.
— If the machine DOES start (with the
EMERGENCY STOP button pushed in),
immediately disconnect power to the
machine.
The STOP button safety feature is not
working correctly. This safety feature
must work properly before proceed
-
ing with regular operations. Call Tech
Support for help.
10. Reset the EMERGENCY STOP button.
11. Press the CONVEYOR START button, then
press the
emergency stop bar. The sander
will come to a complete stop. The stop bar
should only be used during emergencies.
The emergency stop bar switch will wear
quicker if this feature is used for regular
shut down.
— If the conveyor belt does not come to a
complete stop, the emergency stop bar is
not working correctly, immediately dis
-
connect power to the machine and call
Tech Support for help.