REV
02-12-2019
INSTALLATION
,
USE AND MAINTENANCE MANUAL
–
PNR/E 73-83
-
104-124
–
PNR 142
10 / 44
Via Crosera n° 50
33082 Azzano Decimo, PN (Italia)
EL
AX
http://www.jurop.it
e-mail: info@jurop.it
Pic. 4.1
Main components legend
1. Vacuum/Pressure change-over valve 10. Air injection valves (PNR)
2. Non-returne valve (Intake manifold) 11. Drainage hole
3. Vanes inspection port 12. Exhaust conveyor
4. Oil tank 13. Suction conveyor
5. Oil filling port and dip stick
14.
Pressure relief valve port.
6. Gear box oil filling plug
Available only if foreseen with additional conveyor Code1627102500
7. Gear box oil level plug 15. Vacuum control valve set up
8. Drip oilers 16. Safety thermostat (optional)
9. One way valve
4.1. Compulsory accessories
• Compulsory accessories for a correct running of the pump:
- Safety filter mounted between the pump and the secondary
shutoff.
- Over-pressure safety relief valve.
4.2. Checking upon receipt
• When the goods are delivered, make sure that all parts listed on
the delivery note are in perfect condition and have suffered no damage
during shipping.
• Remove the parts of the packaging that can be dangerous if
sucked by the compressor.
• Make sure the vacuum pump has its identification plate. Pumps
without such identification are to be considered anonymous and
potentially dangerous: in such an event, they must not be used,
otherwise the manufacturer will be deemed free from any liability
whatsoever.
4.3. Storing in the warehouse
• If the compressor will not be installed inside a short time after
delivery:
- Remove the guards from the ports and spray a film of
protective oil over the inner surfaces of the body, rotors and
sides. Then attach again the guards;
- Store in a closed and dry place. Renew the preserving oil
periodically.
• To temporarily store a used pump, follow the instructions below:
- Thoroughly clean the pump.
- Equip the pump with suitable anti-corrosion protection.
4.4. Handling and installation
• Before each movement, verify that the lifting equipment has a
suitable capacity (check the weight of the decompressor, possibly
showed in this manual, in the paragraph 2.1).
• Do not lift the packaging or the machine when moving more than
50 cm from the ground. Proceed with the final lifting only near the
installation point.
• Harness the machine with suitable straps / chains near the main
body, paying attention to the position of the mass centre of gravity to
ensure the load stability.
Warning: do not stand under the machine when it
is lifted during the installation.
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