Table 5 Maintenance interval
TRIVAC D 40 L,
TRIVAC D 63 L,
TRIVAC D 90 L
Measurement / Test quantity
Operation / Auxiliary materials
Interval Remarks
Operate the pump for at least 1 hour
with gas ballast.
Daily Condensed water is thus removed from the oil
Check the oil level,
change the oil if required.
Oil: LVO 130 or special and alternative
oils r
efer to Lubricants and oil on
page 14.
Daily, before
switching on the
system
Rell: Only after the pump has been switched off. Refer
Check the oil level on page 43.
Check the quality of the oil, change the
oil if required.
Visually (all oils) Weekly
Normally the oil is light and transpar
ent, oil change is re‐
quired when discolourations increase. Refer to Check the
oil condition on page 43.
Chemically 6 months
Accor
ding to DIN 51558, when the neutralisation number
exceeds 2; then an oil change will be required. Refer to
Check the oil condition on page 43.
Mechanically 6 months
When the viscosity is 20% above the one of fresh oil; then
an oil change will be r
equired. Refer to Check the oil con-
dition on page 43.
Change the oil Oil: L
VO 130 6 months
Oil change:
▪ First oil change after 100 to 500 operating hours.
▪ Pump switched off and cold.
Change the oil while the pump is cold to avoid r
eleasing
adsorbed gases. Refer to
Chang
e the oil
on page 44.
Quantity of oil: Refer to
Table: Technical data.
300956027_002_A0 - 03/2022 - © Leybold
40
Maintenance
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