Chore-Time Hyflo Manuale utente
The employees of Chore-Time Equipment would like to thank your for your recent Chore-Time purchase.
If a problem should arise, your Chore-Time distributor can supply the necessary information to help you.
Lay the Shroud down with the Decal and the drain holes at the bottom as shown. Fasten the Posts (Item 4)
to the Shroud (Item 1) with 5/16 Carriage Bolts and 5/16 Flange Nuts (Items 5 and 6) as shown.
The Top and Bottom Panels have Tabs on them (See Figure below). The Bottom Panel does not have a
Flange at the ends like the Top Panel(See Figure below). Attach the Bottom Panel to the bottom end of the
Fan Shroud with four 1/4 x 1/2" Hex Washer Head Screws in the holes providedas shown. The bottom of
the Fan Shroud is the end that has the Danger Decal.
48" and 52" HyfloTM Un-Assembled Fans
Assembly Manual
Attaching the Posts
1 756 -007A0 6/0 3
1756-007B06/03
3
3
3
3
3
2
3
5
3
4
3
6
3
1
Item Description
1Shroud
2Danger Decal
3Drain Hole
4Post
55/16 Carriage Bolt
65/16 Flange Nut
Attaching the Housing Panels
Item Description Item Description
1Shroud 3Tab in Bottom Housing Panel
2Bottom Housing Panel 41/4 x 1/2" Washer Head Screw
3
4
3
1
3
2
3
3
Bottom Panel
Top Panel
MV1756DNovember 2003
Attaching the Housing Panels 48" and 52" HyfloTM Un-Assembled Fans Assembly Manual
2MV1756D
The Side Housing Panels can be distinguished from each other by the position of the Screen Clip Slot and
mounting hole in the front of each Housing Panel(Right Panel Shown, See Figure below). Line up the Pre-
drilled holes in the Side Housing Panels with the holes in the Shroud and attach them with four 1/4 x 1/2"
Hex Washer Head Screws(Item 4). Attach the Left Side Housing Panel the same way..
Attach the Top Housing Panel to the Shroud using the pre-drilled holes with four 1/4 x 1/2" Washer Head
Screws. The Top Housing Panel should overlap the Side Housing Panels to provide water run-off. (See
Figure below)
Now that all four Housing Panels are
attached to the Shroud, Use four 1/4 x 1/2"
Hex Washer Head Screws to attach all four
Housing Panels together using the pre-
drilled holes at the four Corners. (See
Figure at right). Place the Fan Description
Decal, (Item 4), (Included in the Parts
Package) above the Danger Decal in the
bottom corner of the Fan as shown.
3
3
Item Description
1Side Panel
2Screen Clip Slot and Mounting Hole
3Bottom Housing Panel
41/4 x 1/2" Washer Head Screw
5Fan Description Decal
3
4
3
1
3
2
Bottom Reverse View
3
3
3
1Side Housing Panel
overlapping the
Housing Panel
Bottom
3
5
3
4
3
1
3
3
Back side View
Item Description
1Top Housing Panel
2Shroud
31/4 x 1/2" Washer Head Screw
3
1
3
1
Top Housing Panel Overlapping
Side Housing Panel
3
2
3
2
3
3
3
1
3
4
Item Description
1 Side Panel
21/4 x 1/2" Washer Head Screw
3Bottom Housing Panel
4Fan Description Decal
48" and 52" HyfloTM Un-Assembled Fans Assembly Manual Installing Fan in the Wall
MV1756D 3
Set the Fan into the Wall opening and use the supplied 1/4 x 1-1/2" Lag Screws to attach the Fan to the Wall.
Refer to the Hyflo Installation and Operation Manual ,MV1747 Page 2,for detailed attachment instructions.
Attach the Bearing Support Assembly (Item 3) to the Posts with 5/16 Carriage Bolts and Flange Nuts, (Items 1 and
2),using the bottom set of holes in the Posts. Attach the Motor Support, (Item 4), to the Posts with 5/16 Carriage Bolts and
Flange Nuts. Check that both the Bearing Support and the Motor Support are perpendicular to the Posts. Rotate the Belt
Tensioner until the centerline on the Tensioner Assembly lines up with the Mark on the Tensioner Bracket and Tighten the
3/8 Bolt (Item 6) on the back of the Tensioner Assembly. Attach the Motor to the Motor Support Bracket with 5/16
Carriage Bolts and Flange Nuts.
Installing Fan in the Wall
Attaching the Idler and Motor Supports and Motor
3
2
3
1
3
2
3
1
Item Description
15/16 Carriage Bolt
25/16 Flange Bolt
3 Bearing Support
4 Motor Support
5 Motor
63/8 Bolt
3
3
3
2
3
1
3
2
3
1
3
4
3
5
3
6
Tensioner Bracket Mark
Tensioner Assembly Mark
Motor Sheave Installation 48" and 52" HyfloTM Un-Assembled Fans Assembly Manual
4MV1756D
Apply a liberal amount of Anti-Seize (supplied in Parts Package) to the Motor Shaft(Item 2, Figure below). Slide the Sheave
onto the motor shaft as shown. Align the Motor Sheave with the Driven Sheave by measuring from the Fan Posts as shown. It
may be necessary to lay a straight edge across the Posts to get an accurate measurement. Once the Sheaves are aligned, Insert
the key provided with the Motor to lock the Sheave in place, and torque the Set Screw to 150-165 in-lbs to secure the Motor
Sheave in place
Apply Anti-Seize (Included in Parts Package)to the Fan Shaftas shown below. Insert the 1/4 x 1-1/8 Square Key
supplied, and put on the Blade. Position the Blade flush with the end of the Fan Shaft and torque the Blade Set
Screws to 150-165 IN-LBS.
Motor Sheave Installation
Item Description
1Motor Sheave
2Motor Shaft
3Key (Supplied)
3
3
Apply Anti-Seize
to Shaft
Equal Distance
3
1
3
2
Blade Installation
1
2Item Description
1Anti-Seize
2Fan Shaft
3 Blade
4Blade Set Screws
5 1/4 x 1-1/8 Square Key
4
3
Fan Shaft Flush
With Blade Hub
5
48" and 52" HyfloTM Un-Assembled Fans Assembly Manual Assembling the Inlet Screen
MV1756D 5
With the Inlet Screen Laying flat rotate the Screen Sides 90 degrees and secure with supplied Nylon Cable Ties. Use
two Nylon Cable Ties per Corner in the locationsshown below.Trim off excess Cable tie. (Cable ties shown before
being cut off for clarity).
Refer to the Hyflo Installation and Operators Manual MV1747 for further
installation procedures.
Assembling the Inlet Screen
3
2
3
2
Item Description
1Screen Side
2Nylon Cable Tie
3
2
3
1
Assembling the Inlet Screen 48" and 52" HyfloTM Un-Assembled Fans Assembly Manual
6MV1756D
Revisions to this Manual
Page No. Description of Change
various Added Fan Description Decal, and Motor Pulley information
Made to work.
Built to last.
Contact your nearby Chore-Time distributor or representative for additional parts and information.
CTB Inc.
P.O. Box 2000 • Milford, Indiana 46542-2000 • U.S.A.
Phone (574) 658-4101 • Fax (877) 730-8825
Printed in the U.S.A.
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