IBM 5280 Maintenance Information Manual page 95

locations
AC drive belt
AC drive motor
AC drive pulley
carriage pressure spring
collet 1
control card
diskette locking lever
drive band 39
drive hub 1
flat spring 1
head connector 4, 6
head load bail 1
head load solenoid
head/carriage assembly
I/O interface connector 4, 6
LED 51
LED connector 4, 6
PTX 55
PTX connector
pulley and clamp
4, 6
38
solenoid connector 4, 6
solenoid idler 1
spindle pulley 1
stepper motor 1
stepper motor connector 4, 6
thickness gauge clip 1
timing pin 1
MFM format
principles 64
read data 64
scope charts 65
multivolume indicator field 70, 72
offset to next record space field 70, 72
operation 76
pad 70,73
physical record length field
physical sector length field
pressure pad
location 14
removal 14
replacement 14
tool 14
70,71
66,67
PTX
amplifier service check 52
location 55
removal 54
replacement 54
PTX connector
line names 5, 7
location 4, 6
pulley and clamp
location 38
removal 38
replacement 38
record attribute field 70, 71
record block format field 70, 71
record length field 70, 72
removals
AC drive motor
with external fan 28
with internal fan 30
bail 24
capacitor 32
collet 8
control card 56
drive band 42
drive fan and pulley 34
flat spring 8
head load bail 24
head load solenoid 26
head/carriage assembly 15
idler 26
LED 51
pressure pad 14
PTX 54
pulley and clamp 38
solenoid 26
stepper motor 36
replacements
AC drive motor
with external fan 28
with internal fan 30
bail 24
capacitor 32
collet 8
control card 56
drive band 42
drive fan and pulley 34
flat spring 8
head load bail 24
head load solenoid 26
head / carriage assembly 15
idler 26
LED 51
pressure pad 14
PTX 54
pulley and clamp 38
solenoid 26
stepper motor 36
Index 83