Specifications

6–26
Replacement Procedures and Parts
Magnetic Pickup Assembly (MPU) (FD–15800–01)
1. Unplug the printer power cord from the AC receptacle to insure that
there are no hazardous voltages present while servicing this equipment. It
is also recommended that an anti–static wrist strap(29–26246–01) be
worn, especially while servicing logic components.
2. Loosen the MPU locking screw (Figure 5–5, page 5–13, item #2).
3. Remove the MPU guide bracket (Figure 6–14, page 6–54, item #3).
4. Disconnect the MPU cable connector P35.
5. Using your fingers, unscrew the MPU completely until it is removed
from the pickup arm.
6. Reverse the removal steps to install a new MPU. Then perform the MPU
gap adjustment (page 5–12). It is also recommended that the MPU
phasing adjustment be performed as a final step (page 5–14).
Oil Wick (29–30900–01)
1. Perform the flywheel assembly removal procedure (page 6–9).
2. Once the flywheel has been separated from the printer, remove the two
(2) 5/16” screws which secure the oil wick (Figure 6–14, page 6–54,
item #7).
3. Re–install the new oil wick, and then reverse the flywheel removal steps
as outlined. Complete this procedure by performing the shuttle and and
counterweight preload and spring adjustments, and the MPU gap and
phase adjustments found in chapter 5.