jurop PR 150, Instructions For Installation, Use And Maintenance Manual

Page: 10 / 20

3 First running of the system
Legend:
1
Water recycling pump
2 Vent of pump housing and flanges
3 Cooling liquid outlet
4 Water filling tap
5 Vanes inspection port
6 Oil filling tap
7 Oil tank
8 Oil sight glass
9 Oil tank drain
10 Cooling liquid inlet
11 Draining tap of pump housing
Attention:
The suction line and the vacuum tank
must be provided with safety valves.
To alter the adjustment of such valves
may cause serious damage or danger
of explosion.
10
Important:
Vent with care both the vacuum pump and the whole
system.
3.3 Open all the valves of the vacuum system.
3.4 Check the correct rotation and run the pump for a few
seconds.
3.5 While the pump is running check the following:
a) The oil must drip inside the oilers.
(25÷30 drops per minute at the suggested pump speed)
b) The rate of vacuum and pressure.
3.6 The oil pump is adjusted during the assembling of the
vacuum pump.
For the flow see the performance chart at Pag. 4.
3.1 Fill the oil tank up to about 3 cm. below the filling tap -
Pos. 6 - Fig. 4.
For the selection of the lubricating oil see Pag. 4.
3.2 After releasing the vent taps Pos. 2 - Fig. 4 overfill the
pump housing with the cooling media through the tap of Pos.
4 - Fig. 4.
Fill up the heat exchanger through the taps shown at point A
of the installing layouts of Pag. 8-9 - pos. A.
The expansion tank must be half filled, checking the level
through the sight glass.
Screw on all the filling taps and vents.
The whole cooling system as shown has an approximate
capacity of 30÷50 l. for the PR 150÷250.
During the wintertime antifreeze glicole must be added with
the following percentages:
20%
down to minus 10° C
35% down to minus 20° C
50% down to minus 30° C
11
10
9
8
7
6 5 4
2 2
3
2
1
Fig. 4