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- Make sure that the
hydraulic jack
is perfectly levelled before fixing
the
F-ring
by tightening or loosening the
adjusting screws
in the
jack
guide base
(Pic.7). A spirit level can be used to assess levelling.
- Fit the
F-ring
to the jack shaft and indelibly mark it so that the
required shaft fitting position can be noted on it (this is quite simple
as both the shaft and the F-ring have four flattened faces).
- Remove the
F-ring
from the shaft (Pic.8)
- Rotate the shaft back by a
wrench
so that the nearest flattened
“face” is aligned with the gate in closed position.
- Fit the F-ring back to the shaft in the same position as marked before.
- Before definitely fixing the parts, spot weld the
F-ring
to the
plate
and the plate to the gate and carry out some maual open and close
operations of the gate.
5
4
PIC. 8
PIC. 5
- Lay the
jack
, which is fitted with a
guide base plate
, on to the
ground fixing base plate
.
- Make sure that the
jack
, once fitted on to the base plate fixed to
the ground, has the shaft straight with the top hinge center line:
a “plumb line” is recommended in this case to ensure that the
jack shaft is in true vertical position (Pic.4).
- Weld the four
angles
, provided with the equipment, on to the
ground fixing base plate
to match the position of the corners of
the jack
base plate
, to keep the
jack
in the correct position (Pic.5).
NOTE
: Before fixing the corners, operate the gate manually open
and closed to assess smoothness and alignment.
PUTTING THE JACKS IN PHASE
The
oil-hydraulic jack
is to be fitted to the gate by means of a specially designed
ferrule (f-ring)
having
a square center hole
.
A reinforcement plate is generally recommeded to fix the F-ring to the gate foot. Before this operation, it is needed to
put the jacks in
phase
: that is to say to set the
jack shaft
in the required position to achieve correct gate operation by rotating the shaft to the limit of
the permitted stroke in closed gate position; this is to be done before welding the
angles
on to the
fixing base plate
and before piping
the jack to the
motor pump unit
.
PLEASE NOTE: It is extremely important that the jack shafts are in the correct phase to ensure that the gates are properly and securely
driven to close position and the setting is maintained for long time.
- By means of a
wrench rotate the jack shaft until you can feel that the limit of the permitted stroke in closed gate position is reached
:
in this position it can be noted that one of the flattened sides of the shaft is now positioned 5 degrees beyond the closed gate line
(no need to rotate hard, as the jack is not piped yet and no fluid is inside it yet).
JACK
PIC. 4
FIXING BASE
PLATE
ANGLES
ROTATION SHAFT
IN AXIS WITH THE
HINGE CENTER LINE
GUIDE BASE
FIXING BASE
PLATE
ANGLES WELDED
ON TO FIXING
BASE PLATE
5°
5°
FIXING BASE
PLATE
FIXING BASE
PLATE
GATE STOP
IN CLOSED
POSITION
JACK FIXED TO
THE PLATE
JACK FIXED
TO THE PLATE
CLOSED GATE
CLOSED GATE
PIC. 6
- Weld the
F-ring
to the gate foot and interpose a
strengthening
plate
between them, making sure that the parts are vertically straight with
the gate top hinge center line and that the fixing geometry has been
strictly respected as indicated before. Perfect alignment of the
DRIVE 700 shaft with the gate hinge is essential to the correct
operation of the gates (Pic.9).
FITTING THE MOTOR PUMP UNIT
The
hydraulic motor pump unit
is to be fitted at a suitable distance
from the
jack
so as piping can be as easy as possible in respect of
the site requirements. It is also to be considered that an easy access
to the internal parts of the
hydraulic motor pump unit
is recommended
during the fitting operations and to be able to override the system for
manual operations in events like an emergency or power failure.
PLEASE NOTE: for gates wider than 2 meters it is always
recommended to use the non locking version of the motor pump unit
and fit the gates with an electric lock
- Before starting the piping operations, bring the
enclosure
“apart”.
Drill a hole in the lateral component, where piping is required, the
size of the hole must be adequate to take a tube through it , into
which the
pipes
from the
motor pump unit
to the jack are to be laid
(Pic.10 and 12).
ADJUSTING
SCREWS
SPIRIT
LEVEL
SPIRIT
LEVEL
PIC. 7
ROTATE THE SHAFT
UNTIL THE FLATTENED
SIDE IS STRAIGHT
WITH THE GATE IN
CLOSED POSITION
ROTATE TO
THE LIMIT OF
THE PERMITTED
CLOSE END
STROKE
CLOSED GA
TE AXIS
CLOSED GA
TE AXIS
5°
STRENGTHENING
PLATE
F-RING
ROTATION
SHAFT
DRIVE 700
WELD THE F-RING TO THE
STRENGTHENING PLATE
AND THIS TO THE GATE
ENCLOSURE
LATERAL
ENCLOSURE
COMPONENT
TUBE TO HOUSE
THE PIPES
PIC. 9
PIC. 10
F-RING