IBM Selectric Maintenance Manual page 141

SLUGGISH PRINT ARMATURE
CAUSED BY MALADJUSTED TRIP LEVER BITE
Figure 30.2
CARRIER RETURN/INDEX
Figure 30.3
Scope:
Time Base:
Vert Amp:
Sync:
Across Register in
Series w/Mag Coi I
10 ms/cm
1 volt/em
+
Int
Time from pick to carrier return
intlk* opens
Magnet seal time
C/R intlk opens at 190°
Average Mechanical Delay
OLSA Function: Print CR
8.0 ms
67.9 ms
82.0 ms (avg.)
75.9 rils
6.3 ms
*Use C-6 if avai lable on your printer
SPACE/BACKSPACE/T AB
I
I
•
~
-
'~II
lI-
I
I
I
III . -
Figure 30.4
4-33
Scope:
Time Base:
Vert Amp:
Sync:
Across resistor in
Series with Mag Coi I
5 ms/cm
1 volt/em
+
Int
Time from start of pick to C5
N/C opens
Magnet seal time
C5 N/C opens at
55°
T ota I Mechani ca I De lay
EXCESSIVE MECHANICAL DELAY
Figure 30.5
Time Base: 5 ms/cm
Time from start of pick to feed-
back
Magnet Seal Time
Feedback Contact Opens
at
55°
Total Mechanicai Delay
OLSA Function: Print
Space
8.0 ms
19.7 ms
6.5 ms
19.7 ms
37.0 ms
27.7 ms
9.3 ms
42.5 ms
26.2 ms
16.3 ms