IBM Selectric Reference Manual

Fl GURE 189. Spacebar Return Spring (Late Style)
5. Spacebar Repeat Stop (Optional)
a. Early Style - Adjust the stop to obtain .001" to
.005" clearance between the spacebar repeat arm
and the spacebar shaft at the time a single oper-
ation occurs (Fig. 190).
.• 001" to .005"
\.
Spacebar Repeat Stop
Fl GURE 190. Spacebar Repeat Stop (Early Style)
b. Late Style - The spring anchor should be adjusted
up or down so that .001" to .005" clearance exists
between the spring
and the anchor, when a single
operation
tak~s place as the spacebar- is depressed
slowly
(Fig. 191).
Spring Anchor
.00111 to .005
11
Vertical Clearance
FIGURE 191. Spacebar Repeat Stop (Late Style)
2-65
6. Spacebar Final Stop - Adjust or form the stop to obtain
.005~1 to .010" clearance between the stop and the
spacebar center stem wi th the spacebar depressed to
just trip the spacebar interposer (Fig. 192). On cur-
7.
Make Adjustment
Here
Keylever
Guard
Spacebar Button
.005" To .010"
Spacebar
Stem
Spacebar Final Stop
Early
FIGURE 192. Spacebar Final Stop
rent level machines the final stop has been
eliminated
and the repeat lug is broken off the keylever pawl.
Sccebar Interlock Mechanism (Early Style) - Perform
t e
following adjustments:
a. Lockout Cam - Adjust the escapement cam left or
right on the
filter shaft so that when the lockout
cam
is on the high point of the escapement cam the
lockout cam will have .050" to .060" lateral mo-
tion remaining toward the left (Fig. 193).
Escapement
Com
.050" To .060"
FIGURE 193. Lateral Adjustment Of
The Escapement Cam

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