Collet Assembly Removal, Replacement, And Adjustment; Removing The Collet Assembly - NEC FD1165 Maintenance Manual

4.4.2 Collet Assembly Removal, Replacement, and Adjustment
Use the following procedure to remove the collet assembly.
a. Remove the two screws that fasten the head unload
spr i ng to the spr i ng pIa te and remove the head un-
load spring (see Figure 4-1).
b. Remove the four screws that fasten the spring plate
and the press plate to the base frame.
c. Remove the collet assembly from the base frame.
HEAD UN LOAD SPRING
SPRING PLATE
PRESS PLATE
SCREW
Figure 4-1 Removing the Collet Assembly
Use the following procedure to replace and check the collet
assembly.
a. Fi t the collet assembly adj usting
J 19
to the new
collet assembly, then fit the collet assembly to the
disk drive. Do not fully tighten the screws.
4-3