NEC Super Script 4400 Maintenance Manual page 166

7 .4.4 Cleaner Clutch (FBCL)
Tools
Phillips Screwdriver #1, #2
Slotted Screwdriver #1
Disassembly Procedures
1. Remove the side cover (R). (See the item 7.1.3 .)
2. Remove the connector of cleaner clutch from IOD2
Circut Card.
3. Remove the C ring from the shaft.
4. Pull out the cleaner clutch from the shaft.
Assembly Procedures
1. Install a new cleaner clutch to the shaft.
2. Install the C ring to the shaft's groove, and secure
the cleaner clutch.
3. After the above, follow exactly the reverse order of
disassembling procedures.
Replacement Procedures for Maintenance Parts
Cleaner Clutch
157