Feed Roll Adjustments - IBM 1402 Reference Manual

Punch Clutch
First Lower
Card Guide
Forward Card
Aligners
Card Side
Second
Feed Roll
Third
F ....
, . l - - - -F
Roll Below
Intermittent
Feed Roll
Die Card
Fourth Feed
Roll Below
Punch Check
Brush Contact
Roll
Sixth Feed Roll
Six th Lower
Card Guide
Figure 3-55. Punch Transport
Figure 3-56. Stepped Roll Timing Gage
2. To check the first intermittent feed roll, trip the
clutch and tum machine to 352
0
•
3. Insert cards lengthwise between each roll of the
first, intermittent feed roll.
3-41. 2 (4/67)
Feed
Knives
Die Card
Lever
Punch Magnet
Unit Corner
Block
Fixed Side
Aligner Block
Card Pressure
Fingers
First Stepped
Feed Roll
(Below)
Timing
Mark
Gage
Intermitte nt
Feed Roll
Punch Brush
Card Lever
Second
Stepped
Feed Roll
Stacker
Card Lever
4. Check that each card is free at 353
0
and gripped
tight at 357 0
•
This indicates that the first, intermit-
tent feed roll is in time (Figure 3-57).
5. To check the second intermittent feed roll, trip
the clutch and tum machine to 290
0
•
6. Insert card between each of the rolls on the sec-
ond
intermittent~d_ !oll.
This card can be in-
serted from the punch-check brush station.
7. Tum the feed slightly backwards. The cards
should still be free at 290
0
and gripped tight at
.284 0
•
This indicates that the second intermittent
roll is in time (Figure 3-57).
Feed Roll Adjustments
FIRST AND SECOND, STEPPED ROLL
The punch unit need not be
removed~