Fan Mounting Disc Reassembly
18. Apply a minimum of 90 lbs. PSI of clean air to the
air inlet.
Air must be applied to the air chamber to allow for
easy removal of the Cage Nut and to ensure proper
torque is applied to the jack Bolt.
19. Remove the Cage Nut from the Spring Housing/
Piston Assembly.
20. Install the new Fan Mounting Disc (from kit) if
applicable.
Do not disassemble the Spring Housing.
Personal injury could occur.
21. Tighten the Jack Bolt (left hand thread) to 100 Ft.
Lbs. [136 N•m] torque.
22. If a jam nut was present, apply Loctite® 204 (or
equivalent) to the threads, reinstall over the jack
bolt (left hand thread) and tighten to 120 Ft. lbs
[163 N•m] torque.
23. Actuate the DriveMaster and check for proper
engagement and disengagement of the Fan
Mounting Disc. Check for air leaks at the bleed hole
and around the Spring Housing/Piston Assembly.
If a problem exists, it must be corrected prior to
mounting the Fan Drive onto the vehicle. If the
problem is not corrected, the Fan Drive will fail
prematurely.
REINSTALLING THE FAN DRIVE
On the workbench, apply 90 psi [6.21 bar] clean air pressure and check the
1.
Be sure the vehicle ignition is off, the vehicle's parking brake is applied, and the vehicle's wheels are
blocked.
2.
Clean the Fan Drive mounting surface on the engine.
NOTE
Fan Drive for air leaks.
Protect the radiator from possible damage from the fan
during fan removal and fan drive installation.
Most engines have multiple mounting locations.
Be sure to use the correct holes for the application.
Fan
Mounting
Disc
Steps 18-19
Steps 20-22
NOTE
NOTE
15
English
Jack Bolt
(left hand
thread)
22748-J-0407