IBM Selectric Service Manual

2. Keylever Pawl to Interposer Clearance
a. Adjust the keylever pawl guide so that the lower
edge is 9/16" from the bottom of the operational
bracket (Fig. 112).
Keylever
Pawl Guide
Bristo Head
latch
. Follower
FIGURE 112. Interposer Height
b. Position the key lever stop so that all keylevers clear
their interposer .020" to .030" (Fig. 113).
n",n II.L_ n"2l\l1
• U~V IV .u'-'V
.
Interposer (
FIGURE 113. Keylever Powl To Interposer Clearance
3. Operational Latch Height - The odjustable latch serews
(Fig. 114) (eccentric stop on tab latch) for the back-
space, spacebar, and tab operational latches should be
adjusted so thot the latches will pass under the cam fol-
lower lever with a clearance of .003" to .015" (Fig.
1146). The carrier retum operational latch adjustable
stop should be adjusted so that the latch wi II pass under
the cam follower with .003" to .010" clearance (Fig.
115) .
NOTE: Be sure that the cams are latched when this
clearance is observed. The high side of the specifica-
tion is preferred.
NOTE: The clearances may be observed by pulling the
latches to the rear with a spring hook
whi Ie the machine
is at rest.
2-36
003" - .015"
FIGURE 114A. Tab Latch Height
Adjusting
Screw----C:;===~
Spacebar or Backspace
Operational Latch
.003" to .015"
~
T
FIGURE 1148. Latch Height
Be Sure Cam
Is Latched
Cam Follower Lever
Adjusting Screw
~--- Carrier Return
latch Assemb Iy
~Olll to .010"
-r
FIGURE 115. Latch Height (11 Inch.)

IBM Selectric Specifications

General

Type	Electric typewriter
Introduced	1961
Keyboard Layout	QWERTY
Carriage Return	Electric
Manufacturer	IBM
Printing Technology	Typeball (golf ball)
Power Source	AC Power
Power Supply	120V AC