Interposer Setup Bail - IBM 1402 Reference Manual

b. Loosen lock nuts on interposer guide bar ad-
justing screws.
c. Move interposer guide bar, by means of ad-
justing screws, until proper clearance
is
ob-
tained. When making adjustment, use a .007"
feeler gage inserted between punch and in-
terposer.
d. Tighten lock nuts and clamping screws.
e. Recheck clearance specified in Step 2.
Caution: Lack of clearance between interposers
and interposer guide bar at any point of punch
cycle can cause punch-breakage or excessive noise.
Interposer Setup Bail
ADJUSTMENT
1. Remove punch unit from machine.
2. Remove punch magnet unit frdm punch unit. See
Figure 3-35.
3. Mark or scribe a line on both ends and one side
CAM
PIVOT SHAFT
Figure 3-32. Cam Follower Assembly
of stripper assembly to maintain punch registra-
tion when replacing on punch unit. Remove
stripper assembly.
4. Set the drive unit on a flat surface and place
gage 600914 as close as possible to right side
frame. See Figure 3-33. Setup bail height must
be gaged as closely as possible to drive unit side
frame. Side frames must be in contact with sur-
face on which gage is resting.
5. Turn punch unit camshaft until setup bail rests
on top of gage. See Figure 3-33. Note index
setting.
6. Remove gage without disturbing setup bail, and
insert gage at left end of setup bail as closely
as possible to left side frame.
7. Check index setting again to ensure that it has
not changed since Step 5. The setup bail should
rest on top of gage as in Step 5. Use eccentric
stud at left end of bail to satisfy this condition.
See Figure 3-33.
INTERPOSER
SETUP BAIL
PIVOT STUD
3-27