LESSON 7: DISASSEMBLING THE FAN DRIVE

7.2 Disassembly
INDEX
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video clip with audio narrated
Fan Mounting Disc Removal and Inspection


1. Place the fan drive in a vise and clamp the journal bracket tight.

2. Loosen the jack bolt (left hand thread) by turning it counter-clockwise using a T55 Torx Plus Bit.



3. Unscrew the fan mounting disc from the jack bolt.




4. Inspect the fan mounting disc for wear or damage.

Learning Objectives:
• Describe the steps of safely removing and inspecting the fan mounting disc.

• Recognize signs of wear or damage to the fan mounting disc.

NOTE:
Applying 80-120 PSI [5.44 - 8.16 bar] air pressure to the fan drive air inlet will aid in removal of the FMFD.

NOTE:
Use caution when handling the prybar on the fan mounting disc. Permanent damage may occur if not properly supported. Use a flat blade tool or a prybar that has a handle.

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DriveMaster® Fan Drive Maintenance Training
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