Punch; Stripper Assembly - IBM 1402 Reference Manual

REPLACEMENT
1. Position magnet unit as shown in Figure 3-36.
2. Align 80 interposers.
3. Carefully place drive unit on magnet unit so all
80 interposer links fit into interposer setup bail.
See Figure 3-34.
4. Hold assemblies together; turn them over, and
insert four magnet unit mounting screws. See
Figure 3-35. Do not tighten these screws.
5. Tighten magnet unit locating screws and lock
nuts.
6. Tighten magnet unit mounting screws.
7. Replace stripper assembly.
a. Check .004" to .013" latch overthrow. See
Figure 3-34.
b. Check .005" to .010" interposer to punch
clearance. See Figure 3-34.
8. Replace interposer cover.
Punch
REMOVAL
1. Remove punch unit from machine.
Figure 3-36. Magnet Unit
2. Remove stripper assembly.
a. Remove four mounting screws which hold
stripper assembly to punch unit. See Figure
3-35.
b. Watch for shims which may be between strip-
per assembly and punch unit side frame .
3. Remove retainer plate from stripper assembly.
See Figure 3-34.
4. Remove desired punch.
5. Assemble in reverse order.
a. Check for .005" to .013" punch-to-retainer-
plate clearance before re-assembling stripper
to punch unit. See Figure 3-34.
b. Check for .005" to .010" interposer-to-punch
clearance. See Figure 3-34.
Stripper Assembly
REMOVAL
1. Remove punch unit from machine.
2. Scribe a line on both ends and one side of stripper
assembly to maintain punch registration when re-
placing on punch unit.
3. Remove four screws and remove stripper from
punch unit.
INTERPOSER LINKS
3-31