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Preventive Maintenance
Lubrication .
Figure
Title
1-1
Keyboard: Elastic Diaphragm Encoded
(Example)
1-2
Latch Key (Normal Position)
1-3
Latch Key (Operated Position)
1-4
Latch Key (Restoring) .
1-5
Uall Interlocks
1-6
Momentary Key (Normal Position)
1-7
Momentary Key (Operated Position) .
1-8
Typamatic Key (Single Cycle Operation)
1-9
Typamatic Key (Repeat Operation)
1-lOA
Elastic Diaphragm Switch Asm. (EDS)
1-lOB
Elastic Diaphragm Switch Asm. (EDS)
1-11
Elastic Diaphragm Switch Substrate
1-12
1-13
Encode Circuits (Example)
1-14
Restore Uail Interposer and Latch Interposer
Comparison
1-15
Shift Key Lock Mechanism
1-16
Redesigned Encode Board and Switch Asm.
1-1
1-1
1-1
1-1
1-1
1-1
1-4
1-4
1-6
1-7
1-9
1-9
1-10
2-1
2-1
2-1
Page
1-1
1-2
1-2
1-3
1-3
1-4
1-5
1-5
1-6
1-6
1-7
1-8
1-8
1-9
1-9
1-9
1-10
Cleaning .
Maintenance .
.
Index .
Contents
2-1
2-1
2-1
2-1
2-2
2-3
2-4
2-5
2-5
2-6
2-6
A-1
X-1
Illustrations
Figure
Title
Page
1-17
Encode Circuits (New Style Encode Board)
1-11
2-1
Latch Key Adjustments
2-2
2-2
Interposer to Guide Comb Clearance .
2-2
2-3
Dabber Adjustment (To Lower Dabber)
2-3
2-4
Dabber Adjustment (To Raise Dabber)
2-3
2-5
Momentary Key Interposer Overtravel
2-3
2-6
Bail Adjustments
2-4
2-7
Bail Stop Adjustment
.
2-4
2-8
Latch Spring and Actuator Adjustment
2-5
2-9
Encode Board and Diaphragm Replacement
2-5
2-10
Ball Interlock Assembly Adjustment .
2-5
2-11
Space Bar Operating Tab Adjustment
2-6
A-1
5475 Keyboard Arrangement .
A-1
A-2
System/3 Card Code
A-2
A-3
5475 Electrical and Mechanical Timings
A-3
A-4
Control Panel
A-3
A-5
5475 Interface Connectors
A-4
A-6
5475 Control Panel Connectors
A-5
A-7
5475 Keyboard Diagnostic Flow Chart
A-6
iii
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