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Gilson Company, Inc.
The Gilson Porta-Screen
and for quality control in asphalt and ready-mix plants. It is designed for best separation in the
2in (50.8mm) to No.16 (1.18mm) range. Model PS-3 holds five screen trays and a pan;
1.0 UNPACkING & seT-UP
The Porta-Screen
, packed for shipment, weighs between
®
225—255lbs, depending on the model and the number
of trays packed inside. Use equipment to adequately to
handle this weight safely.
1. The Porta-Screen
is shipped in a cardboard carton.
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Before you accept the shipment, check the carton for
visible damage. Note any damage on the freight bill,
and proceed with inspection.
2. Place the carton on its side so that you can remove the
staples from the bottom. Open the bottom flaps and
set the machine upright again. Lift off the carton and
set it aside until you are sure that the Porta-Screen
is in acceptable condition.
3. Check the machine for shipping damage. If you find
concealed damage after you have signed for the Porta-
Screen
, call the delivering carrier immediately for an
®
inspection. Save all packing materials, and leave the
Porta-Screen
as it is.
®
4. Check the tag on the electric motor of the Porta-
Screen
to be sure that the machine is wired as
®
ordered.
5. Release clamping pressure on the Porta-Screen
trays by rotating the clamp levers outward and upward
180°.
6. Remove trays by sliding them out the front of the
machine.
7.
Choose your operating site:
A. The Porta-Screen
three-pronged, grounded receptacle with appropri-
ate electrical current for the machine.
B. Choose a well-ventilated site.
C. Set the Porta-Screen
platform, or other surface.
8. When you have placed the Porta-Screen
erating location, and each time you move it, level the
unit by adjusting the three leveling legs.
Gilson Porta-screen
is a portable shaker for field control of construction aggregates
®
PS-4's capacity is seven trays and a pan.
requires a properly-wired,
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on a solid, stable floor,
®
in its op-
®
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To extend a leg, place your foot on the edge of the
pad, and lift up on the machine above the leg.
To contract a leg, depress the leg lock tab, which
extends from the case above each footpad.
Use the bullseye level in the top frame crossbar as
a guide.
After you have placed the Porta-Screen
observe the distribution of sample material in the
trays at the end of a test. If the material is not evenly
distributed, re-level the machine.
®
9. Reinstall the trays in the Porta-Screen
unclamped.
10. Do not plug in the Porta-Screen
to use it.
2.0 OPerATION
2.1 safety Precautions
®
Whether you are the owner, employer, operator, or
maintenance person for this machine, safety is yOUr
resPONsIBIlITy. You are responsible for operating
and maintaining this equipment in compliance with
these instructions. You should AlwAys review and
completely understand these safety and operating
instructions before using this machine.
Warning:
Operate only in a properly ventilated area.
Warning:
Level the Porta-Screen
Warning:
Stop the Porta-Screen
or machine movement occurs.
Warning:
Always take care not to pinch your fingers
between the clamp levers and the machine
frame.
Page 4
Gilson Porta-Screen
: PS-3 & PS-4
®
into service,
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. Leave them
®
until you are ready
®
before operation.
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if excessive vibration
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