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4.
Loosen the die set screws on both sides of
the punch bolster, then lift the die from below
and remove it (see Figure 20).
Punching Die
Figure 20. Punching die removed.
5.
Use the spanner wrench to loosen and
remove the punch retaining ring, then sepa-
rate the punch adapter and die from the ring
(see Figure 21).
Retaining Ring
Figure 21. Punch assembly removed and
separated.
6.
Thoroughly clean any metal debris or grime
off the punch, die, pressure plate, and bol-
ster.
Note: If you are storing the punch and
die, protect them with a light coat of an
anti-rust product like G96® Gun Treatment,
SLIPIT®, or Boeshield® T-9 (see Section 5:
Accessories on Page 35 for more details).
G0646/G0647 50/65 Ton Ironworker
Bolster
Set Screw
(1 of 2 shown)
Adapter
Punch
To install punch tooling:
1.
Set the controls to Notch and Inch, use the
foot actuator to raise the punch to the upper-
most position, then stop the motor.
2.
DISCONNECT MACHINE FROM POWER!
3.
Move the stripper and safety guard assembly
out of the way.
4.
Thoroughly clean the punch, die, pressure
plate, and bolster, then re-lubricate them to
prevent rust.
5.
Place the adapter into the retaining ring, then
the punch into the adapter (see Figure 21).
6.
Center the assembly up against the punch
pressure plate, then hand-tighten the retain-
ing ring to secure it in place (see Figure 22).
Punch
Assembly
Die
Figure 22. Punch, adapter, retaining ring, and
die installed.
NOTICE
To reduce the risk of tooling breakage, the
recommended side clearance between the
punch and die is approximately 10% of the
material thickness.
Pressure
Plate
-23-
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