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SURELOK MANUAL 2002
28
MAINTENANCE - REPLACING PUNCH:
(see diagram next page)
1)
TURN OFF AIR SUPPLY AND DRAIN ALL THE AIR FROM THE AIR TANK.
2)
Remove the lexan punch guard.
3)
Wind the Open Height Adjustment Screw to achieve maximum open height
( pg 24)
-
for a standard 1” stroke machine go to step 4
-
for a ½” stroke machine remove the die plate to allow clearance for the removal
of the punch stripper
REMOVING THE DIE PLATE
(die plate held in place by ¼” SHCS & 2 dowel pins)
1. Remove ¼” socket head cap screw from top of the die plate
2.
Remove the die plate. If necessary gently tap the die plate from beneath
using a 1/8 drift alternately in each of the two die plate access holes located
in the bottom of the lower arm (see page 27)
NB do not use insert removal
access hole bottom front of arm
3. Two locating dowel pins should remain in the lower arm
4)
Remove the punch stripper by using a wrench on the punch stripper flat and striking
the wrench smartly with a mallet, counter clockwise.
If the entire upper tooling rotates instead of the punch stripper unscrewing it will be
necessary to prevent the upper tooling from rotating as follows;
a)
Using the open height adjustment screw, lower the upper tooling.
b)
A wrench flat will be visible on the exposed portion of the upper tooling.
c)
Using a 1" wrench, hold the upper tooling by the flats and loosen the punch
stripper as described.
d)
Wind the open height adjustment screw to achieve maximum open height.
5)
Pull the punch stripper down towards the lower arm and slide the punch stripper and
exposed punch out of the punch holder (it will only slide one way).
6)
Remove the punch stripper and punch from the machine and remove the punch from
the stripper.
7)
Clean the stripper and install a new, greased punch, making sure that the punch
shoulder is exposed above the threaded end of the punch stripper.
8)
Slide the punch and punch stripper back onto the punch guide.
9)
Tighten the stripper cap onto the punch guide and re-adjust the daylight gap if it has
been altered.
10)
If it has been removed, install the die plate and tighten the die plate securing screw.
11)
Install the lexan punch guard and re-connect the air supply.
12)
The upper punch may have to be adjusted to suit the new punch, so check the joint
quality before putting the press back into production.
Summary of Contents for Sure-Lok 24
Page 7: ...SURELOK MANUAL 2002 6 ...
Page 8: ...SURELOK MANUAL 2002 7 ...
Page 9: ...SURELOK MANUAL 2002 8 ...
Page 23: ...SURELOK MANUAL 2002 22 ...
Page 28: ...SURELOK MANUAL 2002 27 ...