INSTALLATION, USE AND MAINTENANCE MANUAL – LC
Jurop SpA
Via Crosera n° 50
33082 Azzano Decimo, PN (Italia)
TEL. +39 0434 636811 FAX. +39 0434 636812
http://www.jurop.it
e-mail: info@jurop.it
Dispose of used oil in accordance with the
current regulations.
In case the exhaust line cannot be disconnected,
drain the liquids accumulated in the separator of
the exhaust silencer.
• After long periods of inactivity, introduce some quantity of oil
through the suction connection before starting the pump.
Recommended operation in case of temperatures close or below 0°C
degrees.
• If the decompressor operates in vacuum or under pressure with a
capacity environment (such as a cistern) and is configured in the “FL”
flanged version (without manifold with 4-way valve and non-return vale),
it is advisable to intercept the working line of the machine when it is
stopped, to prevent contrary rotations until the rebalancing of the
pressures. The interception can take place through a controlled valve or
an automatic unidirectional valve (swing valve).
6.1. Ordinary maintenance
• Any interventions must be performed when the machine is cold, stopped and switched off.
• Installation and maintenance must be operated only by qualified personnel wearing the proper clothes and the necessary tools as well as
protection devices.
• Use suitable protection equipment (gloves, protection glasses, boots...)
• In the following table summarizes the main controls to be performed and the frequency of intervention.
Check pressure relief valve condition
Lubrication: dripping into oilers
Clean filter and vacuum line shutoff
4-way changeover valve: check and lubricate
Drain the oil gathered in the exhaust separator
Side mounted tank oil level
Chack transmission pulley
Cooling water pump belts tensioning
(
1
) In order to choose the most suitable oil, see paragraph 2.6. (
2
) After operation
in dusty environments, after accidental sucking of liquids inside the pump or before a
long inoperativity period it is recommended to wash the pump inside according to the
procedure described at paragraph 5.2.
Oil level in tank check
• Check dripping into the oilers.
• Be sure it is regular (about 40 drops/min at max. speed, with
degree of vacuum > 50%) to grant a correct lubrication of the pump. At
lower speeds, the number of drops must be directly proportional.
If the pump is run without lubrication, the internal
components may quickly damaged due to
overheating. Stop the vacuum pump and check
the oil level and the lubricating pump.
Checking the side mounted oil tank level
• Before starting the machine, check the lubricating oil level.
• Do not run the pump with oil level under the minimum level: that
may lead to dry functioning and cause serious damages.
• See paragraph 2.3 for the oil consumption of each model.
• Top up with fresh and clean oil only; use the oil required in
paragraph 2.6 or equivalent.
• The oil must be topped-up with the machine stopped and cold.
Do not re-use the exhausted oil gathered on the
bottom of the exhaust silencer.
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