Stiffener assembly – Grain Systems PNEG-349 User Manual
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Service Platform & Stiffener
STIFFENER ASSEMBLY
General
This is a guide for assembling and mounting the new
Stack Dryer Stiffener Package to the Airstream
Stack Series grain dryers. It contains exploded
diagrams and text explaining the basic assembly.
Please study this carefully before beginning the
assembly and use it as a reference guide.
Stiffener Attach Angles
The Left Hand Attach Angle (D01-0873) and Right
Hand Attach Angle (D01-0874) are installed at the
factory during basket assembly. A comparison
should be made with the dryer to be installed and
Figure 33 to make sure the angles are installed in
the correct positon. A check should be made to see
if the Attach Angle points in the same direction as
the dryer leg directly below it. If the Attach Angles
are in the wrong location or point in the wrong
direction, the Attach Angles should be moved
before proceeding with the assembly.
Base Module Connector Clip
The Base Module Connector Clip should be at-
tached to the Base Module of the dryer before
setting the dryer into place. The Connector Clip
attaches at the same place the Gusset Support Leg
attaches to the Frame Rail of the dryer. One at a
time, unbolt the Gusset Support Leg and bolt the
Connector Clip to the outside of the Frame Rail.
Stack Stiffener Leg Channel
The next step in assembling the Stack Stiffener
Package should be the attachment of the Stack
Stiffener Leg Channel (D01-0877). The Leg
Channel attaches to the Dryer Gusset Support Leg
below the Stiffener Attach Angle on the dryer
basket (Figure 1). This should be done for each
module at this time.
Stack Stiffener Base Unit
The Stack Stiffener Base Unit is assembled at the
factory. This component assembly should be set
into place in the locations specified in the Stack
Dryer Concrete Specification Drawings.
Base Unit Hardware
The connection of the Stack Stiffener Base Unit to
the Stack Base Module is completed using the
following hardware in the hardware package.
Stack Stiffener Installation
With the Stiffener Base Unit in place and all other
preparations finished, the Stack Stiffeners should be
attached to the dryer modules. Starting with the
base module of the dryer, the first stiffener should be
attached so that the bottom of the stiffener is even
with the frame. The top three holes should be left
open for later attachment of a stiffener splice. The
second stiffener can be attached to the stiffener
angle on the basket above the first with approxi-
mately 19.25” above the attach angle. The bottom
three holes should be left open for the splice. The
stiffeners can now be sliced together using the
Stiffener Splice (SS-7053). The base module is
now ready to be set into place on the stiffener base
units. Once the base module is in place, the Con-
nector Clip should be bolted to the Base Unit. A
Stiffener Splice should be bolted on to connect the
Stiffener to the Base Unit. Assembly is shown in
Figure 35.
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