H&S BOILER GUN BG44, Руководство по эксплуатации

Страница: 28 / 108

Page 16 BG44 Boiler Gun Operating Manual
11. Reinstall the jam nut on the end of the locking
rod.
3.2.2 Collet locking system
1. Complete the risk assessment checklist in Table
1-2 on page 5.
2. Position the machine on a solid support for
installation of the collet set.
3. Measure the I.D. of the pipe to be machined and
determine the size of the collet set to be used.
4. Based on size, locate the center shaft that
matches the collet set required.
5. To install the center shaft:
a) Insert the center shaft through the tool
holder and into the center shaft lock,
aligning the slots in the threaded shaft
with the splines on the center shaft lock.
Continue to insert the center shaft until it
stops against the feed nut.
b) On the crank feed machine, turn the
crank to advance the center shaft.
On the wrench feed machine, turn the
wrench to advance the center shaft. The
direction of the ratchet mechanism may
need switched to feed in instead of off.
6. Slide a locking rod into the center shaft from
the rear of the machine.
7. Thread the required collet set on the end of the
locking rod until the collets begin to engage the
center shaft. If flat are present on the center
shaft, align the collets with the flats.
8. Insert a cotter pin through the hole in the lock-
ing rod and open the splines to secure.
9. If not installed, slide the locking rod wrench
onto the locking rod nut and secure with a
retaining clip.
10. To remove the center shaft, reverse steps 5-8.
3.2.2.1 Interchanging the collet sets
The .875” collet system has a range of .875 to 1.25”. It
uses three collet sets, in .125” increments and the
.875” center shaft.
The 1.25” collet system has a range of 1.25 to 4.75”.
The collet sets are in .125” increments and use the
1.25” center shaft.
Do the following to change between the collet sets:
1. Return the machine to a solid support.
2. Remove the cotter pin from the end of the lock-
ing rod.
3. Remove the collet set from the locking rod.
4. Install the collet set on the locking rod. If flats
are present on the center shaft, align the collet
segments with the flats.
5. Reinstall the cotter pin.
6. See Section 3.2.2, Steps 5-8 to interchange the
center shafts.
F
IGURE
3-5. T
HE
1.25”
COLLET SET INSTALLED
F
IGURE
3-6. T
HE
.875” C
OLLET SET