12 GA01208_002_C0 - 11/2016 - © Leybold
1.2 Lubricants / Gaskets
These pumps must only be operated with brake fluids in accordance with
DOT-3 and DOT-4 or alternative operating agents which have been approved
by Leybold.
TRIVAC-B-DOT pumps and accessories are equipped with special seals
which are capable of resisting exposure to brake fluids.
Fig. 3 Schematic of the lubricating system
Fig. 4 Hydropneumatic anti-suckback valve
Description
1 Accessories
2 Bearings
3 Non-return valve
4 Pump chamber of the TRIVAC
5 Oil reservoir
6 Oil pump
1 Oil reservoir 5 Valve seat
2 Spring 6 Valve disk
3 Control piston 7 Gas inlet
4 Anti-suckback piston
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