PUMP FOR HYDRAULIC SYSTEMS
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page 29
of 35
Installation and maintenance manual
3.11 Filling and purging
DANGER
The unions assembled on the pump are NOT swinging. If they are unscrewed they get broken and the
pump cannot be used anymore.
NOTICE
The rigid pipe assembly (cutting, bending and bulkhead passage) must be carried out by skilled staff
according to the manufacturer's isntructions. In case of copper o steel pipes flushing is compulsory.
NOTICE
Kit OB 120 U-2S is supplied separately for applications with double station and it includes all the necessary
unions for 12 mm copper pipe.
The copper pipe must be bought separately.
After the first installation and after maintenance operations it is necessary to fill the system with hydraulic
oil. This operation must avoid the air in the system, to ensure the good system operation. The hydraulic
system must be filled from the highest point of the system, which means from the upper steering station.
CAUTION
WARNING
To avoid air bubbles in the oil, it is necessary to fill the tank slowly.
The filling and bleeding operations must be carried out at least by two operators
DANGER
Use
UFLEX
oil or other compatible oils.
NOTICE
The filling and purging operations can be facilitated by using the automatic purging equipment BUBBLE
BLUSTER
â
(supplied separately).
Hydraulic oil OIL15 has been specifically formulated for
UFLEX
to ensure high quality performance level of
UFLEX
products throughout time.
The special mix of anti-wear and stabilizing components of OIL15 allow ensuring great results as far as the
product duration and performances are concerned in several environmental conditions.
UFLEX
is not to be
held responsible for any damages or performance deterioration if oils different from OIL15 are used.
Do NOT use ATF Dexron II transmission oils or brake oils which could cause the steering system seizing.
Oils which are compatible with OIL15
UFLEX
are:
- Shell Tellus T15 and Shell Tellus T22
- Mobil DTE 11M
DANGER
UFLEX
will not be able to ensure the compatibility of the above mentioned oils with OIL15 if the oil
manufacturers vary their formulation. Under no circumstances
UFLEX
is to be held responsible for any
damages or performance deterioration.
In the days after the filling, check the oil level; if necessary top off the system.
At the beginning the oil level can lower, as small amounts of air can be released in a homogeneous way.
According to the types of installation, it is necessary to carry out the different bleeding procedures, as it
follows.
NOTICE
