Chore-Time Hyflo 50485 Specifiche

36" (50485) & 48" (50454) Hyflo®Retrofit Kit

Installation & Operator’s Instruction Manual

DANGER: Electrical Hazard

Disconnect electrical power before inspecting or servicing

equipment unless maintenance instructions specifically state

otherwise. Ground all electrical equipment for safety. All

electrical wiring must be done by a qualified electrician in

accordance with local and national electric codes. Ground all non-

currentcarryingmetalpartstoguardagainstelectricalshock.With

the exception of motor overload protection, electrical disconnects

and over current protection are not supplied with the equipment.

DANGER: Rotating Fan Blade

Keep Hands away. Disconnect power before servicing. Fan may

start automatically. Do not operate the Fan without the screens in

place.

Disregard to the above mentioned Danger may cause serious

injury including death.

• Keep all Safety Signs and decals in good condition.

• Replace damaged or missing decals.

Safety

MV1902COctober 2012

Installing the new Door Assembly and Cone 36" (50485) & 48" (50454) Hyflo® Retrofit Kit

2MV1902C

Cone Assembly and Installation

Begin assembling the Cone by laying a Cone Panel (Item 1, Figure 3) on a couple of boards with the c-

shaped drain tab (Item 2) towards the front as shown. With the c-shaped drain tab toward the front (See

Figure), insert the tabs of each Cone Panel into the Slots of the next and lay them down locking them in

place.

When all four Cone Panels are connected, stand the panels up on edge and curl the Cone around with the

smaller diameter of the Cone up as shown below. Assemble the final Panels together and allow the Cone

to take its shape. If the Cone is assembled correctly the Tabs should all be on the Inside of the finished

Cone. Fasten the Cone Panels together with (4) 5/16 x 1/2" Hex Bolts Threaded in from the inside of the

finished Cone as shown in Figure 4. Do not tighten down the Nuts at this time. Leave the Nuts looseuntil

the Cone is attached to the Fan.

Installing the new Door Assembly and Cone

Item Description

1 Cone Panel

2 C-Shaped Drain Tab

Step 1:

All C-shaped drain tabs toward

Figure 3. Assembling Cone Panels

Step 3:

Prop a Cone Panel

up on boards Lay the Panels

down, locking

them in place.

front of Panels

Front of Panel Step 2:Insert Tabs of each

Cone Panel into the

Slots of the next.

Item Description

1 5/16 x 1/2" Bolt

2 5/16 Flange Nut

Figure 4. Bolting Cone Panels

Holes Nearest Cone Panels Edge

36" (50485) & 48" (50454) Hyflo® Retrofit Kit Installing the new Door Assembly and Cone

MV1902C 3

Orient the Door Assembly such that the bottom is lined up with one of the C-Shaped Drain Tab in the

Cone Assembly. The bottom of the Door Assembly can be identified by a drain hole in the Ring (See

Figure 5). Line up the Four Holes in the Door Ring with the holes in the Cone and thread (4) 5/16 x 1.25"

Bolts (Item 1) in until they are tight. Do not install Nuts at this time. These Bolts will be used later to

attach the Cone Brackets to the Cone Assembly.

Use (2) 5/16 x 1.25" Bolts (Item 1, Figure 6) and 5/16Flange Nuts (Item2)to attach the Ring to the Cone

using the Holes located on both sides near the Door Center Brace as shown below. Note that the Nuts go

on the outside of the Cone.

Turn the Cone over and remove the tape (Item 1, Figure 7) from the Door Stop Cable (Item 2).

Figure 5. Installing the Door Assembly

C-shaped Drain Tab

Drain hole in

bottom of Ring

Do not Install Nuts

Item Description

1 5/16 x 1-1/4 x 1/2"

Item Description

1 5/16 x 1-1/4 x 1/2" Bolt

2 5/16 Flange Nut

3 Door Center Brace

Figure 6. Attaching the Ring to the Cone

Item Description

1Tape

2 Door Stop Cable

Figure 7. Remove tape from Door Stop Cable

Installing the new Door Assembly and Cone 36" (50485) & 48" (50454) Hyflo® Retrofit Kit

4MV1902C

Attaching the Door Stop Cable to Grill, and the Grill to the Cone

Figure 8. Attaching Fan Cable and Grill

Door Stop Cable

Flush with Cone

Step 2:

Line up the Grill Eyehooks with the holes in the Cone. Thread the free

end of the Door Stop Cable (Nylon Cable) (Item 2) through the bottom

Grill Eyehook(Item 1) until it is flush with the Cone and secure it with

a 5/16-18 Carriage Bolt (Item 3) and Flange Nut (Item 4) as shown.

Step 1:

Item Description

1 Bottom Grill Eyehook

2 Door Stop Cable (Nylon Cable)

3 5/16-18 x .625 Carriage Bolt

4 5/16-18 Flange Nut

Top of Door

Picture of Door Stop Cable Secured

Use 5/16 Carriage Bolts (Item 3) and Nuts

(Item 4) to fasten Grill to Cone at remaining

7 locations.

36" (50485) & 48" (50454) Hyflo® Retrofit Kit Installing the new Door Assembly and Cone

MV1902C 5

Attaching the Cone

Attaching Cone Brackets to Shroud

Use 5/16 x 1/2" Carriage Bolts (Item 1, Figure 9) and 5/16 Flange Nuts (Item 2) to attach the four

Cone Brackets (Item 3) to the Fan Shroud as shown below.

Attaching Cone to Cone Brackets

Mounting the Cone and Door Assembly to the Fan requires at least two people. Pick up and orient the

Cone with the Fan Cable attached at the top (see Figure 8 on previous page) and rest the Cone on

top of the Fan Orifice as shown. Attach the top of the Cone to the two top Cone Brackets (Item 1,

Figure 10) with the Bolts that were previously threaded through the Ring and Cone, and secure with

5/16 Flange Nuts (Item 2). Only hand tighten the Nuts at this time. Working around the Fan Orifice

from inside the fan, in a circular motion, slide the Cone over the Fan Orifice. The Cone will Fit snug.

Use the Bolts previously threaded through the Ring and Cone and hand tighten the 5/16 Flange Nuts

to secure the bottom of the Cone to the two Bottom Cone Brackets (Item 3).

Figure 9. Attaching Cone Brackets to Shroud

Item Description

1 5/16 x 1/2" Carriage Bolt

2 5/16 Flange Nut

3 Cone Bracket

Step 2:Slide Cone over Fan orifice and

fasten bottom Cone Brackets

(Hand tighten only).

Step 1:Rest the Cone on the Fan

orifice and attach it to the

Top two Cone Brackets (Hand

tighten only).

Item Description

1 Top Cone Bracket

2 5/16 Flange Nut

3 Bottom Cone Bracket

Cone resting on Fan Orifice

Figure 10. Attaching Cone to Cone Brackets

Installing the new Door Assembly and Cone 36" (50485) & 48" (50454) Hyflo® Retrofit Kit

6MV1902C

Leveling Doors and tightening down Cone Hardware

Use a Level and rotate the Cone and Door Assembly until the Center Screen Wire (Item 1, Figure

11) is Vertical (See Figure). Once the Cone and Door Assembly is vertical, tighten the four 5/16

Flange Nuts (Item 2) holding the Cone to the Cone Brackets and also the four 5/16 Flange Nuts

holding the Cone Panels together that were hand tightened in Figure 4.

Item Description

1 Center Grill Wire

2 5/16 Flange Nut

Step 1:Using a level, Rotate

the Cone and Door

Assembly until the

Center Grill Wire is

vertical

Step 2:Tighten down four 5/16 Flange

Nuts holding the Cone to the

Cone Brackets and the ones

holding the Cone Panels

together. (Hardware on right

side of Fan not shown)

Figure 11. Leveling Doors and tightening down Cone Hardware

Hardware on right

side not shown 3

36" (50485) & 48" (50454) Hyflo® Retrofit Kit Installing the new Door Assembly and Cone

MV1902C 7

Door Spring Installation

At the middle of the Door Center Brace (Item 1, Figure 12), attach the Spring Mounting Bracket (Item

2, Included in the Parts Package) as shown in Step 1below. Hook the rounded ends of the Door Springs

(Item 3) onto the Spring Mounting Bracket. Stretch the Door Springs out and hook them on the 3/32"

holes (Item 4) in the Doors (See Step 2).

Figure 12. Attaching the Spring Mounting Bracket

Step 1:Attach the Spring Mounting

Bracket (Included in parts

package).

Step 2:Attach Springs (Included in

parts package) to Spring

Mounting Bracket and holes in

Doors.

Item Description

1 Door Center Brace

2 Spring Mounting Bracket

3 Door Spring

4 3/32" Hole in Door

Round ends of Springs

Kit Parts 36" (50485) & 48" (50454) Hyflo® Retrofit Kit

8MV1902C

Kit Parts

50454 (48" Kit) 50485 (36" Kit)

Item Description Part Number

1 Metal Cone Fan Grill 49447 37629

2 Cone Panel 51040 50285

3* Fan Door Frame 49439 50293

4 5/16-18 x .50 HH Bolt 1839 1839

5 5/16-18 x .625 Car. Bolt 8282 8282

6 5/16-18 Nut 8490 8490

7 5/16-18 x 1.25 Bolt 2150 2150

8 Cone Support Bracket 49445 49445

9 Spring 49629 49629

10 Door Spring Support 49450 49450

11 Door Assembly 49440 50311

12* Foam Tape 48425 48425

13* Fan Door Pivot Plate 49598 49598

14* Fan Door 49446 50292

15* .125 x .50 Magnet 48427 48427

16* 1/8 x .40 Pop Rivet 48936 48936

17* Cable Assembly 50618-2 50618-3

18* 1/4-20 x .63 Bolt 2152 2152

19* 1/4-20 Ser. Flng. Nut 46460 46460

*Included in Door Assembly

17 Door Cut Away for View

of Magnet and Rivet

11 *

***

*19

36" (50485) & 48" (50454) Hyflo® Retrofit Kit Kit Parts

MV1902C 9

This Page left Blank Intentionally.....

Kit Parts 36" (50485) & 48" (50454) Hyflo® Retrofit Kit

10 MV1902C

Made to work.

Built to last.

Note: The original, authoritative version of this manual is the [English] version produced by CTB, Inc. or any of

its subsidiaries or divisions, (hereafter collectively referred to as "CTB"). Subsequent changes to any manual

made by any third party have not been reviewed nor authenticated by CTB. Such changes may include, but are

not limited to, translation into languages other than [English], and additions to or deletions from the original

content. CTB disclaims responsibility for any and all damages, injuries, warranty claims and/or any other claims

associated with such changes, inasmuch as such changes result in content that is different from the authoritative

CTB-published [English] version of the manual. For current product installation and operation information,

please contact the customer service and/or technical service departments of the appropriate CTB subsidiary or

division. Should you observe any questionable content in any manual, please notify CTB immediately in writing

to: CTB Legal Department, P.O. Box 2000, Milford, IN 46542-2000 USA.

Revisions to this Manual

Page No. Description of Change

Various Added 48" Kit

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

E-Mail: ctb@ctbinc.com • Internet: http//www.ctbinc.com

Printed in the U.S.A.

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