5.1 Maintenance Plan
TRIVAC D 40 B
TRIVAC D 65 B
Meas. / Test Qty.
Op. / Aux. Materials
Interval Remarks
(additionally cf. the individual components)
Operate the pump for at least 1
h with gas ballast.
daily Condensed water is thus removed from the oil
Check the oil level,
if required change the oil.
Oil: LVO 100 or special
and alternative oils see
Section 1.2
daily, before switching
on the system
Refill: Only after the pump has been switched off.
Check the quality of the oil,
change the oil if required.
visually (all oils)
chemically
mechanically
daily, before switching
on the system
six monthly
six monthly
Visually: normally light and transparent, oil change is required
when discolorations increase.
Chemically: to DIN 51558, when the neutralisation number
exceeds 2; then an oil change will be required.
Mechanically: when viscosity is 20 % above the one of fresh
oil; then an oil change will be required.
Clean the inlet screen in the
intake port, change it as
required.
Suitable cleaning agent
and compressed air.
six monthly ■ Clean inlet screen with a cleaning agent and blow it out
with compressed air under a suction hood.
■ Replace the defective inlet screen.
Use a cleaning agent which complies with the national/inter-
national specifications.
Observe the safety regulations when using cleaning
agents.
Clean the internal demister,
change it as required.
Suitable cleaning agent. annually Already clean before the maintenance interval has elapsed
when the noise level interval has elapsed when the noise level
increases.
■ Clean internal demister with cleaning agent
■ Replace the defective internal demister
■ Dispose of the defective internal demister as special waste.
Cleaning agent according to national/international specifica-
tions.
Observe the safety regulations when using cleaning
agents.
Check the edges of the teeth on
the coupling element for any
damages, change the coupling
element as required.
annually
Change the oil
and
clean the oil level glass.
Oil: LVO 100
Suitable cleaning agen-
tand compressed air.
annually Oil change:
■ First oil change after 100 operating hours.
■ Pump switched off and cold.
Exchange the oil while the pump is cold so as to avoid relea-
sing adsorbed gases.
Clean the oil level glass with a cleaning agent and blow it out
with compressed air under a suction hood.
Use cleaning agents only corresponding to the national/inter-
national specifications.
Observe the safety regulations when using cleaning
agents.
Quantity of oil: see Technical data
Check the fan of the pump and
motor as well as the cooling fins
on the motor for deposits, and
clean as required.
Brush and industrial
vacuum cleaner.
annually Depending on the amount of dust check the pump and keep
it clean.
Caution: switch off the pump and ensure that it cannot run
inadvertently (disconnect from the mains).
Wipe plastic parts on the pumps of category 3G outside only
with a moistened piece of cloth.
We recommend that you service the pump every two years covering the following:
■ Cleaning
■ Checking the individual components
■ Exchange of all seals
■ Functional check
This service should be run by the Leybold Service.
Maintenance
40 GA01218_002_C1 - 07/2018 - © Leybold
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