Table of Contents
Advertisement
RIBBON FEED - AL
C.
CONNECTING ROD LINK, LEFT AND RIGHT SPOOL
Torque transmission route for ribbon feed mechanism depends
upon position of left ribbon releaser (AL-33) or right ribbon
releaser (AL-82). The two operate in tandem by a connecting
rod link (L) (AL-98) and connecting rod link (R) (AL-97)
which is adjustable on the right side of the left rod link.
The position of the two connecting rod links is controlled by
ribbon release holder (AL-46) located to the left of the
ribbon releaser (L) (AL-33). The holder consists of a
spring arm and roller upon which the ribbon releaser (AL-33)
will ride under tension, but remains positioned when set
for either right or left movement of the ribbon.
D.
FORWARD AND REVERSE CONTROL RIBBON MOVEMENT
Tension of ribbon is held by ribbon holder (L) (AL-27) and
(R) (AL-76) in conjunction with ribbon releasers (R) (AL-82),
(L) (AL-33), guide rollers (L) (AL-42), (R) (AL-89), and
ribbon tension rollers (L), (AL-37), (R) (AL-86).
If the ribbon, rotating on the ribbon spool (AL-113),
approaches the end, two eyelets or stop plate on the ribbon
pull the releaser rods (AL-82, 33) and the direction of the
ribbon is reversed.
E.
RIBBON MOVEMENT - RIGHT
For the transfer of ribbon movement to the right, right rod
links (AL-97) must be in position to the right, the gear
teeth of the spool feed ratchet (R) (AL-190) engages with
drive ribbon feed pawl (AL-58) rotating ribbon spool (AL-113)
clockwise. A ribbon stop pawl (R) (AL-79) prohibits reverse
motion of feed ratchet when ribbon feeds to the right.
F.
RIBBON
MOVEMEN~
- LEFT
For the transfer of ribbon movement to the left, left rod
link (AL-98) must be in position to the left, gear teeth
on spool feed ratchet (L) (AL-189) engages with drive ribbon
feed pawl (L) (AL-11) rotating left ribbon spool (AL-113)
counterclockwise. A ribbon stop pawl (L) (AL-30) prohibits
reverse motion of feed ratchet when ribbon feeds to the left.
G.
STOPPERS - LEFT AND RIGHT (At-1lS, 49)
For proper movement of the ribbon pawl operators (AL-9, 56)
two stoppers (AL-115, 49) are adjusted to maintain optimum
movement of the ratchets (AL-189, 190) (ribbon rotation) with
respect to the transference of drive from the rack and
pinion (AL-1, AF-22) through the left ribbon pawl operator
link (AL-20).
5-35
Rev.
E
Advertisement
Table of Contents
