INSTRUCTION, USE AND
MAINTENANCE MANUAL
Page 23 of 45
GB
12.7 Adjusting descent of the hexagonal
shaft (on demand)
On models with pneumatic movement of the hexagonal
arm, in order to adjust the descent speed, please follow
the instructions listed below (see
Fig. 20
):
1. Regulators
A
and
D
are pre-calibrated at the ware-
house.
2. To modify the descent speed of the tool shaft, please
follow the instructions listed below:
• Unscrew nut
C
• Press and release the push-button placed on the
handle repeatedly in order to move the hexagonal
shaft downward and upward and set the speed
through nut
D
so that the descent of the hexagon
is slower than the rising or equal. To slow the
descent, rotate nut
D
counterclockwise. To speed
the descent, rotate nut
D
clockwise.
3. When regulation is done, lock the arm in an inter-
mediate position acting the button, then unlock
the arm to the rest position. Start the arm descent
pressing the button and check if the speed descent
is the same as previously scheduled.
4. Screw nut
C
.
5. To vary the tool arm rising speed, please follow the
instructions listed below:
• Unscrew nut
B
• Press and release the push-button placed on the
handle repeatedly in order to move the hexagonal
shaft downward and upward and set the speed
through nut
A
.
To slow the rising, rotate nut
A
counterclockwise.
To speed the rising, rotate nut
A
clockwise.
6. Check if the speed descent is the same as previously
set. If not, please repeat operations b) c) d).
7. Screw nut
B
.
Fig. 20
Space s.r.l.
7300-M009-0_P
GA2645 - GA2645D - GA2645V