Teletype 43K001/AAA, Руководство по ремонту

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MANUAL 525, 3-1
PART 3- AND ADJUSTMENTS
CONTENTS PAGE
A. GENERAL .... . . . . .. .. . . ... .. .
3-1
B. TOOLS REQUIRED . . . .. . .. . . ...
3-1
c. DISASSEMBLY /REASSEMBLY . . . .
3-2
1. 43K101 KEYBOARD
(KSR and RO) . . . . . . .. . . .. . .. 3-2
2. 50K122 UNITIZED KEY-
BOARD . . . .. .. . . . . . .. . . . . . .
3-13
D. ADJUSTMENTS . . . . . . . . . . . . . . . .
3-16
A. GENERAL
This part provides di
sasse
mbly ;reassembly pro­
cedures for the 43 Basic keyboard (Fig. 1).
50K122/AAE and AAF
Fig. 1-43 Basic KSR Keyboards
Note: All part numbers shown in this manual
are Teletype Corporation part numbers. When
ordering replaceable components, unless otherwise
specified, prefix each part number with the letters
"TP" (ie, TP430047).
The keyboard circuitry can be damaged by
static discharge. The 346392 static discharge
ground strap is available for use by service per­
sonnel. Maintenance spares are provided in anti­
static bags which should be saved for reuse when
returning keyboards for repair.
The disassembly procedure includes that which is
required for correction of troubles or replacement
of parts in field or shop locations. The 50K122
unitized keyboard, however, is not field service­
able.
All disassembly, with the exception of keytop
removal should be performed in a shop facility.
When removing a subassembly or part from the
keyboard, follow the removal procedure and note
the sequence of removal to enable proper reas­
sembly.
Precautions should be taken to assure that the
keyboard is disassembled and reassembled under
clean conditions. No oil, grease, or other liquids
shall be allowed on loose parts, subassemblies,
keyswitches, or the complete keyboard.
Reference in the procedures to left or right and
up or down and top or bottom, etc, refer to the
keyboard in its normal operating position.
When removing a subassembly or part from the
keyboard, do not force or pry parts to provide
the necessary cl
earan
ce for removal. No forcing
is required to accomplish a removal procedure.
Follow the removal procedure and note how each
part is removed and the sequence of its removal
so that proper reassembly can be accomplished.
For r
easse
mbly, reverse the removal procedure
except where different instructions are given.
B. TOOLS REQUIRED
The following tools
are
recommended for use dur­
ing the disassembly and reassembly procedures:
75765
89954
100982
108285
346257
420204
346392
Customer Provided
Customer Provided
Spring Hook - Pull
1/4 Inch Nut Driver
Screwdriver
(6 Inch Medium)
Long-Nose Pliers
Keyswitch Extractor
Keytop Extractor
Static Discharge Strap
Soldering Iron (Low Wattage)
Desoldering Tool