Teletype Dataspeed 4500 Series Disassembly, Reassembly, Adjustment, And Parts

I
BELL SYSTEM PRACTICES
AT&TCo Standard
SECTION 582-311-700
Issue 1, June 1980
"DATASPEED*" 4500 SERIES KEYBOARDS
DISASSEMBLY /REASSEMBL Y, ADJUSTMENT, AND PARTS
CONTENTS PAGE
1. GENERAL.................... 1
TOOLS REQUIRED. . . . . . . . . . . . . 1
2. DISASSEMBLy/REASSEMBLy.... 2
3. ADJUSTMENT ................ .
17
COVER TO KEYTOP
ADJUSTMENT ................ .
17
4. PARTS ...................... .
18
NUMERICAL INDEX..... . ..... . 27
1. GENERAL
1.01 This section providesdisassembly/reassem-
ly, adjustment, and parts information for
the DATASPEED 4500 series keyboards as in
Fig. 1.
45K301GAA03
Keyboard without
Magnetic Stripe Reader
45K301GAA02
Keyboard with
Magnetic Stripe Reader
Fig. I--DATASPEED 4500 Keyboards
*Registered Trademark of AT&TCo.
1.02 Whenever this section is reissued, the
reason for reissue will be listed in this
paragraph.
Note: When ordering replaceable parts, or tools
prefix each part number with the letters "TP" (ie,
TPI23456), unless specified otherwise.
1.03 The procedures for keyboard removal and
replacement are included in this section.
1.04 The extent of the disassembly procedures
is limited to that which is required for
correction of troubles or replacement of parts
in field locations.
1.05 Refer to Maintenance Tools Section
570-005-800 for a complete listing of
the various types of hand tools available for
maintenance of Teletype
®
equipment.
TOOLS REQUIRED
1.06 The following tools are recommended for
use during the disassembly and reassembly
procedures:
75765
89954
100982
108285
143484
145867
346257
346260
346392
346960
402840
406303
Spring hook -- pull
1/4-inch nut driver
Screwdriver (6-inch medium)
Long-nose pliers
Grease (I lb. can) or
Grease (4 oz. tube)
Keyswitch extractor
Key top extractor
Static discharge strap
Extractor
Soldering iron (low wattage)
Desolderer
Terminal extractor tool
Test card (MSR)
Prepared for American Telephone and Telegraph Company by Teletype Corporation
©1980 by Teletype Corporation
All rights reserved
Printed in U.S.A. Page 1