COOK Universal Motor Pack User Manual
Universal Motor Pack
MOTORPACK ASSEMBLY INSTRUCTIONS
This publication contains universal motorpack assem-
bly instructions.
Carefully read this publication prior to installation, operation, or maintenance. For information and instructions
on special equipment, contact the Loren Cook Company
in Springfield, Missouri at (417) 869-6474.
Additional Information
For additional safety information, refer to AMCA publication 410-90, Safety Practices for Users and Installers
of Industrial and Commercial Fans. This bulletin can be
obtained from the Loren Cook Company Literature
Department by phoning 417/869-6474, extension 166; by
FAX at 417/832-9431; or by e-mail at info@lorencook.com.
Universal Motorpack Parts List
"P" Type Aluminum Shutters
"A" Type Heavy Duty
Aluminum Shutters
Assembly Instructions
Motorpack Assembly
You will need the following tools:
• Magic Marker
• 5/16 Wrench or Socket
• 3/8” Wrench or Socket
• 7/16” Wrench or Socket
• Powerdriver with 1/4” bit
or
Sheet Metal Uni-Bit
"A" Type Aluminum Shutters
Fasten blade bracket as
shown .13" from top of
blade using 10-32 x 3/8"
long Wizz bolts & Nylock nuts.
3rd Blade
2nd Blade
1st Blade
Scaled to
show more
detail
Mount using predrilled
holes & 1/4-20 x 1/2"
Wizz bolts & nuts.
"R" Type Galvanized Shutters Used
Bring arm straight out &
locate blade bracket near
the bottom of the 2nd blade
from the bottom of the
2nd Blade
1st
Blade
Mount using predrilled
holes & 1/420 x 1/2"
Wizz bolts & nuts.
shutter & mark location of
holes on blade. Drill (2) 1/4"
holes in blade & mount blade
bracket to blade using 10-32
Wizz bolts & Nylock nuts.
Fasten the motor mounting
bracket to shutter bracket
using 1/420 x 1/2" Wizz
bolts & nuts, mount near
center of bracket. Do not
tighten yet. After attaching
to blade, pull motor away
from shutter until blades are
shut tightly and then tighten
bolts.
2nd
Blade
Mark & drill 1/4"
holes then mount
using 1/4-20 x 1/2" Wizz bolts & nuts.
1
0.13
When marking hole
locations in blade,
pick a point that
will allow the most
up & down adjustment
of the bracket in the
slot. The adjustment
will prevent the need
to redrill new holes
in cases of binding. If
binding does occur,
loosen nut, adjust
then retighten nut.
Reference "R" type shutter mounting
instructions. Special Note: On this
type of shutter the motor should be
located as far from the shutter as the
mounting slots will allow.
"R" Type MIC Shutters
Center pivot
type shutter
2nd Blade
1st Blade
2nd
1st Blade
Mark & drill 1/4"
holes then mount
using 1/4-20 x 1/2"
Wizz bolts & nuts.
Blade
Mount using predrilled holes &
1/420 x 1/2"
Wizz bolts & nuts.
Universal Motorpack Parts List
2
3
1
4
14
13
12
Item
No.
1 Actuator Motor 554196 2 1/4” Long Screw Post & 8—32 Screw (4) 554225 3 Linkage Arm (4) 556764 4 Actuator Motor Arm 556766 5 1/4-20 Wizz Nut (4) 137555 6 Shutter Blade Bracket (3) 556128 556128-B
7 10-32 Nylock Nut (8) 137552 8 10—32 x 3/8” Wizz Bolt (8) 137573 -
9 Shutter Bracket 556121 556121-C
10 Two Panel Bracket 556123 556123-B
11 1/4—20 x 1/2” Wizz Bolt (4) 137578 12 Spring 554095 13 Actuator Motor Mounting Bracket 556126 556126-C
14 8—32 x 5/16” Hex Head Screw (4) 137502 -
* Lock-Tite all screw posts.
Description
Inventory
11
No.
5
Drawing
No.
6
7
8
9
6
7
6
10
8
Typical Damper Motor Schematic
Fan
Motor
Transformer**
Damper
Motor*
Second
Damper
Transformer**
Motor
Corporate Offices: 2015 E. Dale Street Springfield, MO 65803 417.869.6474
L3
L2
L1
For 3 phase, damper motor voltage should be the same between L1 and
L
. For single phase application, disregard L3. *Damper motors may be
2
available in 115, 230 and 460 volt models. The damper motor nameplate
voltage should be verified prior to connection. ** A transformer may be
provided in some installations to correct the damper motor voltage to the
specified voltage.
www.lorencook.com
2
Universal Motorpack Assembly Instructions - March 2005
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