INSTRUCTION, USE AND
MAINTENANCE MANUAL
Page 14 of 36
GB
11.0 CONTROLS
The pedal control unit comprises 4 (four) pedals.
11.1 4 pedals control unit
“Pedal 1”
on this type of pedal control unit activates
the automatic post and has two fixed operative func-
tions:
the first one (with pedal up) overturns the post from
the operator's opposite side; the second one (with pedal
down) brings back the post to working position.
“Pedal 2”
opens and closes the locking jaws of the
self-centering device. It has three stable positions:
open – close – approach jaws.
“Pedal 3”
has 2 operative positions: when it is pressed
downwards, the cylinder for bead breaking with lateral
arm (A) is operated; when such pedal is released, the
bead breaking arm is moved back to the initial position
(open bead breaker) (B).
“Pedal 4”
controls turntable rotation and has 3 stable
positions:
1. 0 position, turntable stopped;
2. Pressed down, the turntable is rotated clockwise;
3. Raised, the turntable is rotated anti-clockwise.
4
3
2
1
A
B
Fig. 11
ONLY FOR VERSIONS WITH THREE-
PHASE 230/400 V - 50 HZ 2 SPEED
“Pedal 4”
controls turntable rotation and has 4 stable
positions:
1. 0 position, turntable stopped;
2. Position 1 downwards - clockwise rotation of turn-
table;
3. Position 2 downwards from position 1 - clockwise
rotation of turntable at double speed;
4. Position 1 upwards - counterclockwise rotation of
turntable;
11.2 Inflation pedal (on demand)
The pressure on the inflation pedal and the keeping it
pressed, delivers air at controlled pressure (max 4,2
± 0,2 bar).
DO NOT CHANGE THE SET OP-
ERATING PRESSURE VALUE BY
MEANS OF THE MAXIMUM PRES-
SURE VALVES. THE MANUFAC-
TURER SHALL NOT BE RESPON-
SIBLE FOR INJURY OR DAMAGE
ARISING FROM UNAUTHORISED
CHANGES.
11.3 Additional pedal for devices with tube-
less inflation
The inflating pedal (
Fig. 12 ref. 1
) has three positions:
• lowered (unstable) to cause air (contained in the
reservoir) to be jetted out through air lances;
• middle stroke (unstable): it let air out from inflating
head;
• released (stable): it closes all air outlets.
DO NOT CHANGE THE SET OP-
ERATING PRESSURE VALUE BY
MEANS OF THE MAXIMUM PRES-
SURE VALVES. THE MANUFAC-
TURER SHALL NOT BE RESPON-
SIBLE FOR INJURY OR DAMAGE
ARISING FROM UNAUTHORISED
CHANGES.
1
Fig. 12
7300-M023-0_B
HP441S.XX - HP441S.XXFI
HP441SQ.XX - HP441SQ.XXFI