Teletype 38 Disassembly And Reassembly

TELETYPE CORPORATION
Skokie, Illinois, U.S.A.
SECTION 574-425-702TC
Issue 2, June 1973
38PUNCH
DISASSEMBLY AND REASSEMBLY
CONTENTS PAGE
1.
GENERAL 1
2. PUNCH
..
1
TAPE GUIDE
ASSEMBLY
............
1
CHAD CHUTE
ASSEMBLY
..........
1
PUNCH BLOCK
ASSEMBLY
.......
1
FEED PAWL UPSTOP
ASSEMBLY
......
.
. . . . .
3
SENSING LEVERS AND
r,y TTT"\DnT A
mT.'I
UV.LU.DC .l.J.t":1..1.D
.....
3
FEED PAWL, DETENT LEVER,
AND SPRING COMBINATION
4
1. GENERAL
1.01 This section provides disassembly and
reassembly instructions for the 38
punch. The instructions are confined to major
subassemblies only. It is reissued to make some
corrections throughout the section. Marginal
arrows are omitted. If further disassembly and
reassembly of the punch is required, refer to
Section 57 4-425-S00TC.
2. PUNCH
TAPE GUIDE ASSEMBLY
2.01 Disassemble tape guide assembly (Fig-
ure 1) as follows:
(a) Note position of tape guide roller
spring on not.ched arm with bushing,
then remove spring.
(b) Remove not.ched arm with bushing.
( c) Remove mounting nut, lockwasher, and
retaining ring.
(d) Remove large retaining ring.
(e) Remove detent lever spring on right
side.
(f) Remove spring post.
(g) Remove tape guide assembly and its
post.
2.02 Reassemble tape guide assembly by
reversing procedure in 2.01.
CHAD CHUTE ASSEMBLY
2.03 Disassemble cha.cl chute (Figure 1) as
follows:
(a) Remove chad chute extension from
chad chute assembly.
(b) Remove two screws, lockwashers, and
flat washers from chad chute assembly
and then remove chad chute assembly.
( c) If necessary, remove gasket.
2.04 Reassemble cha.cl chute by reversing
procedure in 2.03.
PUNCH BLOCK ASSEMBLY
2.05
Disassemble punch block (Figure 2) as
follows:
( a) Remove three screws, lockwashers, and
flat washers.
(b) Slide punch block forward until tongue
in block holder and pins disengage from
groove in casting and code levers respec-
tively.
2.06 Reassemble punch block as follows:
(a) Replace block by positioning the slots
in the punch pins until they face the
guide pin.
©
1963, 1964, 1968, 1972, and 1973 by Teletype Corporation
All rights reserved
Printed in U.S.A. Page 1