Instructions to install Horton HP Series
Disassembly
Remove Torx screws from air chamber
Remove air chamber from fan clutch
Holding air chamber upside-down, remove O-Ring and face seal
Remove friction plate
Remove large O-Ring from friction plate
While fan clutch is in a vise, remove locknut using 1 ½”socket
Remove hub assembly
Using a snap ring pliers, remove the snap ring from the center of the shaft
Remove old air cartridge
Remove journal spacer from journal bracket
Remove sheave from journal bracket
Press out the two old bearings from the sheave
Remove torx screws and friction facing from sheave
Installation
Clean all pieces with a wire brush and cleaning solution
Press in the two new bearings into the sheave
Install sheave over the journal bracket
Place journal spacer over journal bracket. Place Lip Side Up
Install new friction facing and torx screws, torque to 35 inch pounds.
Install assembled hub over shaft
Torque locknut to 150 Lbs.-ft.
Apply O-ring lube to large O-ring and install on friction plate
Place friction plate over hub assembly
Apply O-ring lube to small O-ring and install on air chamber
Apply O-ring lube on air cartridge and install new air cartridge in journal bracket
Install new snap ring over air cartridge
Place air chamber over friction plate
Install and tighten air chamber torx screws to 180-inch pounds torque
Exploded View and Part Description
Pieces included it the kit
HP series only
Re-usable pieces