Horton S Guida utente
Servicing Instructions
Juego de Reparación
Instructions d’entretien
Minor Seal Kit Servicing Instructions for Type
S and HT/S Fan Drives
Juego de Reparación de Sellos Menores
Instrucciones de Servicio Para los Embragues
de Ventilador Tipo S y HT/S
Kit de joints Instructions d’entretien pour les
entraînements de ventilateur des types S et
HT/S
When unpacking your product, remove all components and inspect them
to ensure that no damage occurred during shipping. If any components
are missing or damaged, contact Horton, Inc. at 1-800-621-1320 imme-
diately. Do not return the product to the retailer or point of purchase.
© 2021 Horton Holding, Inc. All rights reserved.
Committed to Your Ideal Airow Solution
Horton®is the premium provider of engine cooling solutions worldwide.
Our culture of innovation delivers high-performance products that last
and services that help you meet your commitments. Trust Horton to help
your products last longer, run quieter and consume less fuel.
www.hortonww.com
Horton is IATF 16949, ISO 14001 and ISO 9001 certied.
ENGLISH
Introduction 3
Pre-Installation 4
Fan Clutch and air chamber removal 6
Seal Kit 8
O-ring, face seal and System Sentry®8
Cartridge Assembly 12
Clutch Assembly 15
Form #22502-H-0521 EN
2
Read this manual carefully, making use of its explanations. This
manual describes the correct inspection, service, and repair pro-
cedures for Type S and HT/S fan drives. Following the instructions
carefully will provide the safest and most trouble-free operation.
We are using the following special notices to give warning of pos-
sible safety-related problems which could cause serious injury, and
provides information to help prevent damage to equipment.
Danger is used to indicate the presence of a hazard which will
cause severe personal injury, death, or substantial property dama-
ge if the warning is ignored.
Denotes that a potential hazard exists and indicates procedures
that must be followed exactly to either eliminate or reduce the ha-
zard, and to avoid serious personal injury, or prevent future safety
problems with the vehicle.
Caution is used to indicate the presence of a hazard which will or
can cause minor personal injury or property damage if the warning
is ignored.
NOTE
Advises of operation, procedure, or instruction that is inserted for
correct service providing greater owner satisfaction. A note can
also provide information that will make service quicker and easier.
Introduction
WARNING
CAUTION
DANGER
3
Pre-Installation
You must follow your company safety practices, which should
adhere to or be better than Federal or State approved shop safety
practices and procedures. Be sure that you understand all the
procedures and instructions before you begin work on this unit.
NOTE
Parts replacement and/or repair of your Horton fan drive should
be performed only by the Horton Factory or an authorized Horton
Distributor or Dealer to keep your warranty coverage intact
during the warranty period.
NOTE
In the following sections, an O-Ring is used for the Piston Fric-
tion Disc if you have purchased a Minor Seal Kit. The PolarExtre-
meTM Seal Kit contains a D-Ring for the Piston Friction Disc.
4
5
1. Verify the fan drive model and that correct replacement parts
t this model.
2. Remove the fan drive from the engine. Lay the fan drive
assembly in a vise and clamp the Journal Bracket tight.
3. Remove the Torx®Socket Head Cap Screws from the Air
Chamber.
NOTE
Applying a small amount of air pressure to the fan drive air
inlet will aid in removal of the Air Chamber Assembly from the
fan drive.
Apply air pressure slowly so that the Air Chamber will not pop
off quickly, resulting in serious personal injury.
4. Slide the Air Chamber Assembly off the Piston Friction Disc.
5. Examine the inside of the Air Chamber for signs of dirt and
foreign material. The Air Chamber should be clean and dry.
If not, a problem may exist in the vehicle air system and must
be corrected before the fan drive is reinstalled.
WARNING
Fan drive and air chamber removal
6
7
1. Remove the O-ring from the Air Chamber and clean the O-ring
contact surfaces.
2. Inspect the Face Seal for signs of wear that may indicate dirt
exists in the air system.
If dirt or oil exists in the air system, the air system must be
cleaned and dried before the fan drive is reinstalled.
3. Remove the Piston Friction Disc and clean the splines of both
the Piston Friction Disc and the Splined Hub.
4. Check the System Sentry®for visual signs of melting. If your
fan drive is not equipped with a System Sentry®, Horton
recommends that the Piston Friction Disc is replaced with a
System Sentry®PFD for proper, safe operation.
NOTE
If for any reason, excessive heat is building up in the fan drive,
the System Sentry® will release and create an air open air passa-
ge. This shuts down the system to prevent any further damage.
5. When replacing the System Sentry®be sure to loosen it in
the correct direction. It is a left hand thread and needs to be
turned clockwise for removal.
CAUTION
Minor seal kit and PolarExtreme seal kit
O (D)-ring, face seal and System Sentry®
8
9
NOTE
Your System Sentry® may have an Allen head or a Torx® head.
The glove box Torx® head tool (part number 994365) was desig-
ned with a 30 and 40 Torx® end. The 30 Torx® end will work in the
removal and installation of the 3/16 Allen head System Sentry®.
The 40 Torx® end will work in the removal and installation of the
40 Torx®System Sentry® or lock-up bolts. The System Sentry®
has left hand threads.
Do not replace the System Sentry® with a straight plug. The Pis-
ton Friction Disc is balanced and anything other than the Horton
System Sentry® will upset the balance and could void warranty.
6. Install the new System Sentry®.
7. Using the small brush supplied in the repair kit, apply an even
coating of spline lubricant (also supplied in the repair kit) to
both splined areas of the Piston Friction Disc and Hub.
8. Install the Piston Friction Disc.
9. Replace the Face Seal and tighten the Face Seal to 50 In. Lbs.
[5.7 Nm] torque.
NOTE
If the Face Seal is round (NOT HEX. SHAPE) it is considered an
obsolete part and a new Air Chamber, with a threaded Face Seal
must be used to replace it.
10. Lubricate the new O-ring and O-ring contact surfaces with the
fresh O-ring lubricant supplied in the kit; then, install the new
O-ring into the Air Chamber.
WARNING
10
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