Carriage And Rails - IBM 01 Maintenance Manual

ELECTRIC TYPEVVRITERS
MODELS C4 and C5
(Serial 2,001,000 and above)
FEATURES COMMON TO MODELS Cl and B4
Several mechanisms of the Executive Typewriter
Model C4 are common to either the Standard Model
Cl and/or the Executive Model B4 with floating in-
terposers. These mechanisms are listed below and
will not be repeated in this section.
Case and Cover Sections
Keylevers, Letter Cams, Typebars
Resilient-Keyboard Control
Margin Reset
Margin Release
Paper Feed
Decelerator
Backspace
Ribbon, Fabric
Shift
CARRIAGE and RAILS
The Model C4 typewriter uses the Model Cl car-
riage. The rails are similar to the Model B4 but have
been redesigned to incorporate the decelerator and
other Model Cl improvements.
Removal
1. Remove the rear cover.
2. Remove the three interposer-bellcrank links and
their springs.
3. Remove the interposer-bellcrank guide-comb.
4. Disconnect the tab operating link.
5. Disconnect the expander link, at the rear.
6. Unhook the escapement trip link.
7. Disconnect the backspace operating link at the
bellcrank.
8. Disconnect the clutch unlatching link.
9. Remove the margin-reset lever assembly.
10. Disconnect the carriage tension-tape at the car-
riage.
11. Disconnect the carriage-return tape at the car-
riage.
12. Remove the four rail mounting screws and po-
sition the carriage at the extreme right.
13. Lift the carriage straight up while rotating it
slightly to the right. Watch the interposer bellcranks
carefully so as to avoid interference with other parts.
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