Climax H&S BOILER GUN BG22, Руководство по эксплуатации, Страница: 27 / 94

P/N 100241, Rev. 1 Page 15
3. Install three of the same size wedges in the
slots of the center shaft with the thinner end
facing the threaded portion of the center shaft
and the recess for the band spring facing out.
4. Install the band spring across the recess of the
three wedges to secure.
5. Slide the wedge rod into the center shaft and
turn to advance until the wedges begin to
expand.
6. Install the rod wrench and secure with the two
retaining clips.
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. Slide a locking rod into the center shaft from
the rear of the machine.
5. Thread the required collet set on the end of the
locking rod until the collets begin to engage the
center shaft.
6. Insert a cotter pin through the hole in the lock-
ing rod and open the splines to secure.
7. If not present, install the locking rod wrench
and secure with the retaining clips.
3.2.3 Tool holders
The BG22 Boiler Gun can be used with tool holders in
several different sizes.
Do the following to switch between tool holders:
To remove:
1. Loosen the set screw in the body of the tool
holder.
2. The tool holder has an interference fit with the
main gear. Strike the back face of the tool
holder to remove it towards the front of the
machine.
3. The shaft key may come loose from the main
gear during removal. Retain it for reuse.
To install:
1. Check that the set screw in the body of the tool
holder is backed out or remove it completely.
2. Install the shaft key in the key slot on the main
gear.
3. Slide the tool holder onto the main gear, align-
ing the key way with the shaft key.
4. Tap into place until seated against the shoulder
on the main gear.
5. Reinstall or tighten the set screw in the tool
holder body until secure.
3.2.4 Center shafts
Depending on the application, the center shaft may
need switched out to offer a different size range or
locking system.
Do the following to switch out center shafts:
F
IGURE
3-3. S
MALL WEDGE SET
F
IGURE
3-4. I
NSTALLED COLLET SET