24 300598802_002_C0 - 10/2016 - © Leybold
Maintenance
5.1 Maintenance Plan
No.
Rotary vane pumps
Trivac D4T
Trivac D8T
Trivac D16T
Trivac D30T
Measurement / test quantity
Operating / auxiliary materi-
als
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 hours with gas bal-
last.
×
Condensed water is thus removed from the oil.
2
Check the oil level, change
the oil if required.
Oil: LVO100 or special and
alternative oils, see Chapter
1.2
× ×
Refill: only after the pump has been switched off.
3
Check the quality of the oil,
change the oil if required.
visually (all oils)
× ×
Visually: normally light and transparent, oil change is required
when discolorations increase.
chemically
×
Chemically: to DIN 51558 when the neutralization number
exceeds 2; then an oil change will be required.
mechanically
×
Mechanically: when dynamic viscosity at 25 °C exceeds 300
mPas; then an oil change will be required.
4
Clean the dirt trap in the
intake port, change it as
required.
Suitable cleaning agent and
compressed air
×
■Clean dirt trap with a cleaning agent and blow it out with
compressed air under a suction hood.
■Replace the defective dirt trap.
Use a cleaning agent which complies with the national / inter-
national specifications.
Observe the safety regulations when using cleaning
agents
5
Check the edges of the teeth
on the coupling element for
any damages, change the
coupling element as re-
quired.
×
6
Change the oil -
and
Oil:
LVO100
×
Oil change:
■ First oil change after 100 operating hours
■ Pump switched off and cold.
Change the oil when the pump is cold in order to avoid releas-
ing absorbed 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.
Cleaning agent according to national / international specifica-
tions.
Observe the safety regulations when using cleaning
agents.
Quantity of oil: see Operating Instructions, Section 1.6.
7
Check the fan of the pump
and the motor as well as
the cooling fins on the
motor for deposits and
clean as required.
Brush and industrial vacuum
cleaner.
×
Already clean before the maintenance interval has elapsed
when the pump or the motor gets to warm.
Caution: switch off the pump and ensure that it can not run up
inadvertently (disconnect from the mains).
We recommend that you service the pump every two years concerning the following:
■ Cleaning
■ Checking of the individual components
■ Exchange of all seals
■ Function check
This check should be run by the Leybold service.
Key to the 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
To Next Page
Loading...
Need help?
General
