IBM 1402 Reference Manual page 16

of cams. Maximum clearance must not exceed
.006" at any point.
2. Be sure file feed front joggler is adjusted, then
shim hopper posts on mounting bar for clearance
of .010" to .015" between posts and cards resting
against throat knife.
3. With a clearance of .062" ± .005" between rear
hopper side plate and rear side frame, adjust front
side plate for .016" to .021" over length of card.
NOTE:
This adjustment must center cards be-
tween rails in transport area (5/16"
±
1/32" from
front rail).
4. Adjust hopper back plate card guide fingers for
.020" to .050" clearance to hopper bed plate
fingers. See Figure 3-10.
5. Position feed knife arms. evenly on shaft so that
LATCH
Figure 3-8. File Feed Adjustments
feed edge of picker knife block travels .020" to
.030" beyond trailing edge of card when card is
held against hopper posts.
6. Position throat roller so step, indicating center
line of roller, is lined up with throat knife face.
7. The throat opening should be .0095" go, and
.0105" no-go.
8. Time picker knife cams to feed card so the trailing
edge of card aligns with face of throat knife at
approximately 72° for 2-group brushes, and 75°
for 3-group brushes.
NOTE:
The preceding is only a reference point
for making brush timings. When brushes are on
scribed line (refer to
Brush Assembly Adjust-
.ment),
retime picker knife cam to obtain proper
brush timing. See
Brush Assembly Timing.
CLUTCH OPERATING LEVER
3-7