Preventive Maintenance; Every 25,000 Miles; Emergency Operation - Horton HT650 Instalacion E Informacion Del Producto

PREVENTIVE MAINTENANCE

1. Before performing work on the fan drive, be sure to follow good shop safety
practices and turn the vehicle ignition off, apply the vehicle's parking brake,
and block the vehicle's wheels.
2. Before doing work in the area of the fan:
• Start the vehicle's engine and build air pressure in excess of 90 PSI.
• Manually engage the fan drive. Observe the fan and fan drive from a
distance, look for vibration, fan blade contact, fan drive slippage, and fan
drive operation.
• Turn engine off.

Every 25,000 Miles

Fan and Fan Belt
1. Check the fan for looseness and damage, such as bent, cracked or missing
blades, loose rivets or missing weights. Retorque if loose. Replace if damaged.
2. Check for adequate clearance between the fan and the fan shroud or other engine
compartment components. Repair if the clearance is inadequate.
Friction Facing
1. Check for wear condition. Replace when worn to 1/16" thick, oil spotted, or if
burn marks are visible.

EMERGENCY OPERATION

Horton fan drives are designed to permit continued operation in the event of a fan
drive air source or electrical control system malfunction.
In the event of a malfunction, torque the two Set Screws to 6 Ft. Lbs. [8.1 N•m] to
manually engage fan drive.
The above procedure is only a temporary solution, the problem must be corrected
as soon as possible.
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Set
Screws
5. Conecte la punta negra de la válvula solenoide N.O. a tierra.
6. Conecte la punta roja (12 volts) ó la verde (24 volts) de la válvula solenoide a
una de las puntas del interruptor de freón.
7. Conecte la otra punta del interruptor de freón a una de las terminales del
interruptor térmico.
8. Conecte la otra terminal del interruptor térmico a una punta del interruptor
manual.
9. Conecte la otra punta del interruptor manual a la terminal de accesorios del
interruptor de ignición.
10.Conecte una terminal del interruptor de presión de aire a la tierra.
11.Conecte la otra terminal del interruptor de presión de aire al foco indicador.
12.Conecte la otra terminal del foco indicador a la terminal de accesorios del
interruptor de ignición.
13.Conecte los cables de la batería.
Pasos 1 al 13
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