ROTARY MODELS GR, GRE and GRX Mounting and Installation Procedures

ROTARY MODELS GR, GRE and GRX Mounting and Installation Procedures
ROTARY MODELS GR, GRE and GRX
Mounting and Installation Procedures
Top Mount
. 1. Locate and cut hole in top of
bin to fit outside diameter of
1 1/4” pipe coupling (1.950).
2. Position coupling halfway
into bin and weld.
3. Assemble the GR series
body to the coupling and turn
unit until conduit opening is in
desired location.
4. Add 1/4” extension pipe to
desired length with standard
1/4” coupling on bottom end.
5. Cut 1 1/4” support pipe
approximately 4” longer than
overall length of 1/4” pipe
shaft when used with GRFC1 flexible coupling.
6. Insert 1 1/4” pipe into coupling and tighten.
7. Insert paddle into 1/4” coupling and drill holes for lock
pins
With Flexible Shaft
Side Mount
1. Locate and cut hole into side
of bin to fit outside diameter of
1 1/4” pipe coupling.
2. Weld one half of a standard
1 1/4” pipe coupling to the bin
wall flush with inside of bin.
3. Assemble the GR series body
to the coupling and turn unit
until conduit opening is in
desired location.
4. Screw paddle into place and
replace lock pin.
5. Shaft and paddle should be
shielded in low level mounting
when subject to material flow.
6. For side mounting, the GRSS-1
solid coupler is recommended.
With Short Solid Shaft
With Insertable Paddle
* If material is extremely heavy, only top mounting is recommended.
* Short solid shaft should be used when mounting on side of bin for
low or intermediate levels.
Mounting Plates
Full Couplings
Half Coupling
Mounting plates are necessary
when a completely assembled
unit is to be mounted on a
curved or flate bin wall - from
the outside A 5 1/2” hole is cut
in the bin. Six bolt holes are
then drilled around the hole to
match the mounting plate. The
plate, with the unit attached, is
then bolted in place. All mounting plates are available in carbon and stainless steel.
For use with all Model GR
series and GR II Rotary
level controls. This model
is used for top of bin installations where shaft extensions and shaft guards are
required.
For use with all Models GR series and GR
II Rotary level controls. This model is
used primarily for the
side of bin installations.
Basic Wiring Diagram for all Model GR series
Unit motor is operated throught terminals 1 and 2. Terminals 3, 4
and 5 connect SPDT switch also rated at 15 amps. This switch
can operate at the same voltage as the motor or other voltage as
required.
9270074.fm
Mounting Instructions
Always Mount Unit with Conduit
Opening Down
CONDUIT SEAL
When installing this level indicator in environments where it is possible for moisture or
moist air to enter the enclosure thru the electrical conduit, the conduit opening should be
sealed with a duct seal compound or putty appropriate for the purpose.
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