Maintenance
27GA01601_002_C1 - 03/2018 - © Leybold
5.1 Maintenance Plan
Nr. Rotary vane pump
TRIVAC D 2,5 E-LD
Measurement/test quantity
Operating/auxiliary
materials
Interval Remarks
VE VP t 6m a n-a
Refer also to the Operating Instructions Section:
individual components.
1 Operate the pump for at least 1 h with
gas ballast..
x Condensed water is thus removed from the oil.
2 Check the oil level,
if required change the oil.
Oil: LVO 310 or special and
alternative oils see Chapter
5.3
x x Refill: Only after the pump has been switched off.
3 Clean the internal demister,
change it as required.
Suitable cleaning agent. x Already clean before the maintenance interval has
elapsed when the noise level increases.
n Clean internal demister with cleaning agent.
n Replace the defective internal demister.
n Dispose of the defective internal demister as
special waste. Cleaning agent according to natio-
nal/international specifications.
Observe the safety regulations when using
cleaning agents.
(parts are contained in Maintenance Kit 1)
(see Section 7.1)
4 Check the coupling bushings for
damage and wear.
3 Check also in advance of the scheduled mainte-
nance interval in case of extreme noise (parts are
contained in Repair Set 1, see Section 7.1)
5 Change the oil
and
Oil: LVO 310 or special-
and alternative oils
x Oil change:
n First oil change after 100 operating hours.
n Further oil changes: at least every 2000 - 3000
operatinghours or after one year.
n Pump switched off and cold.
Exchange the oil while the pump is cold so as to
avoid releasing adsorbed gases.
clean the oil level glass. Suitable cleaning agent and
compressed air.
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/international specifications.
Observe the safety regulations when using
cleaning agents
Quantity of oil: see Section 1.3
Oil disposal: see Section 8
8 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.
x Already clean before the maintenance interval has
elapsed when the pump or the motor gets too
warm.
Caution: switch off the pump and ensure that it
cannot run inadvertently (disconnect from the
mains).
7 Full maintenance Maintenance-Kit 2 3 Clean and perform maintenance on the pump as
described in the instructions included with
Maintenance Kit 2 (see Section 7.1).
Key to maintenance plan
VE = Maintenance before switching on the
system
VP = Maintenance before starting production
t = Daily maintenance
6m = Six monthly maintenance
a = Annual maintenance
n-a = Maintenance every n years
We recommend that you service the pump every two years covering the following:
n Cleaning
n Checking the individual components
n Exchange of all seals
n Functional check
This service should be run by the Leybold - Service.
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