Horton HT650 - 25,000 Mile Maintenance Checks; Friction Facing Inspection and Replacement; Fan Drive Removal Process

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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. Retighten 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.

3. Check the fan belt condition, belt tension, and belt alignment.

Correct if necessary.

Friction Facing

1. Checkforwearcondition.Replacewhenwornto1/16’’[0.159cm]

thick, oil spotted, or if burn marks are visible.

FAN DRIVE REMOVAL

1. VerifytheFanDrivemodelandthatcorrectreplacementpartst

this model.

AvoiddamagingtheRotaryAirUnionduringfaninstallation,removal,

or when servicing the Fan Drive.

2. DisconnecttheairlinefromtheRotaryAirUnion.

Steps 2-4

Fan

Drive

NOTE

Protect the radiator from

possible damage from the

fan during fan and Fan Drive

removal.

3. Remove the fan and Fan

Drive from the engine.

4. Remove the fan from the Fan

Drive.

CAUTION