Diskette Quality Service Check For Level 1 Attachments; Diskette Quality Service Check For Level 2 Attachments - IBM System/34 Maintenance Manual

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25-000 53FD Diskette Drive
CONTENTS
25-700
Pulley and Clamp Removal
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25-710 Pulley and Clamp Replacement
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25-020 Safety
25-730
Drive Band Service Check
25-030
Tools
25-740
Drive Band Adjustment
25-120
Diskette Protection
25-750
Drive Band Removal
25-130
Diskette Drive Assembly
25-760
Drive Band Replacement
25-420 Cover Removal
25-770
Idler Assembly Removal
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25-430
Cover Replacement
25-780
Idler Assembly Replacement
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25-440 Latch Assembly Removal
25-790
Diskette Speed Service Check
25-450
Latch Assembly Replacement
25-800
Light-Emitting Diode and Phototransistor
25-460 Collet Removal Alignment
25-470
Collet Replacement
25-810 Light- Emitting Diode Output Service Check
25-480
Head/Carriage Service Check
25-820
Light- Emitting Diode Removal
25-490
Head / Carriage Adjustment
25-830 Light- Emitting Diode Replacement
25-500
Head/Carriage Removal
25-840
Phototransistor Amplifier Service Check
25-510
Head / Carriage Replacement
25-850 Phototransistor Removal
25-520
Solenoid and Bail Service .Check
25-860
Phototransistor Replacement
•
25-530
Solenoid and Bail Adjustment
25-930
Control Card Removal
25-540
Solenoid and Bail Removal (Machines with
25-940
Control Card Replacement
Taper Pin Block)
25-950
Control Card Test Pins
25-545 Solenoid and Bail Replacement (Machines
25-960
Control Card Socket and Connector Pins
~)
with Taper Pin Block)
25-980
Control Card Logic Pins
25-550
Solenoid and Bail Removal (Machines
25-990
Cable and Card Locations
without Taper Pin Block)
25-991
Diskette Quality and Head Wear Service
25-555
Solenoid and Bail Replacement (Machines Check
without Taper Pin Block)
25-992
Diskette Failure Descriptions
25-560
Belt Tracking Service Check
25-993
Diskette Test Descriptions
25-570
Belt Tracking Adjustment
25-994
Diskette Figure
25-580
Belt Removal
25-995
Diskette Quality Service Check
25-590
Belt Replacement for Level
1
Attachments
25-600 Drive Motor Removal
25-996
Diskette Quality Service Check
25-610
Drive Motor Replacement for Level
2
Attachments
25-620
Drive Pulley Removal
25-997
Head Wear Service Check for
25-630
Drive Pulley Replacement
Level
1
Attachments
C)
25-640
Idler Assembly Removal
25-998
Head Wear Service Check for
25-650
Idler Assembly Replacement Level
2
Attachments
25-680 Stepper Motor Removal
25-690
Stepper Motor Replacement
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25-000
53FD Diskette Drive