IBM Selectric Manual

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Interposer Should
Be Bottomed
FIGURE 178. Line Lock Adjustment
Form Here
B~II Clapper
Bellcrank Lever
FIGURE 177. Bell Clapper Bellcrank Lever
8. Line Lock - Form the line lockactuatingarmon the bell-
ringer bOil so that the line lock interposer is fully de-
pressed when the carrier pointer is in I ine with the mark
on
the right hand margin stop (Fig. 178).
1.
2.
CAUTION: The line lock should not be felt in the space
preceding the desired locking point. The I ine lock
actuating arm should not be choked off so as to bind the
carrier as the spacebar is operated through the line lock.
PAPER FEED MECHANISM
Before any paper feed adjustments are attempted, the
position of the platen MUST be correct.
Paper Feed Braces -(old style paper feed mechanism.only)
With the feed roll tension springs disconnected the ad-
justable braces fastened to the paper feed mounting arms
shOl.lld be ad justed all the way forward without deflecti ng
eitherthe feed roll actuating shaft or the carriage tie rod
(Fig. 179).
60
3. Paper Feed Supports
a. Old Style Paper Feed Mechanism ... With the feed
roll tension springs disconnected, the vertical sup-
ports forthe carriage tie rod and the-reed r~1 actuat-
ing shaft should be adjusted to just touch the bottom
of each shaft (Fig. 179). The feed roll actuating
shaft support should be loose when the tie rod sup-
port is ad j usted .
Feed Roll Actuating
Shaft Support
.015" To
.030"
/
----- - /
(/ ~'\
\ j)
" :~ /
,- : ./
Feed Roll
Actuating Shaft
Carriage Tie Rod
Support
Carriage Tie Rod
FIGURE 179. Paper Feed Mechanism

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