Bell System Practices 28 Disassembly And Reassembly page 4

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to the left, grasp the cam clutch by the cam disc
the drum),
cam clutch. The cam clutch should come off easily. Do not
force it.
2.06
To Remove the Selector Mechanism:
(1) Unhook the function-clutch latchlever spring. Remove
the spring post, lockwasher, and nut.
(2) Remove the screw and lockwasher that secure the
selector lever guide to the selector plate.
Remove the screw, lockwasher, oil wick, and wick
(3)
holder. Remove the selector mechanism.
2.07 To Remove the Punch Mechanism:
Unhook the drivelink spring and disconnect the drivelink
(1)
from the rocker arm.
(2) If equipped with power backspace, move the punch
assembly to the left to disengage it from the slot in
the eccentric arm.
(3) Remove the three mounting screws (or two screws and
one stud) that secure the punch-assembly rear plate
to the main plate. Remove the punch assembly.
Reassembly Note:
make sure that the reset bail engages the slot in the
triplever.
2.08 To Remove the Rocker Bail Assembly:
(1) Unhook the drivelink spring and disconnect the drive­
link from the rocker arm.
(2) Remove the nut, lockwasher, adjusting-lever guide, and
the rocker bail shaft. Remove the rocker bail assembly.
2.09 To Remove the Main Shaft Assembly:
(1) Remove the selector cam clutch assembly in accordance
with 2.05.
(2) Unhook the function-clutch latchlever spring.
the retaining ring, spring washer, and flat
from the forward end of the main shaft.
(3) For single-shaft units only, remove the screw and
lockwasher from the function clutch drum.
(4) Remove the screw and lockwasher from the collar.
(5) Remove the screw and lockwasher from the bearing
clamp.
(6) Pull the main shaft out toward the rear and remove
the function clutch and the collar at the same time.
• •
and pull it forward while slowly rotating the
\Vhen remounting the punch assembly,
(not by
Remove
washers
I I