
Subject to modifications
Owner Manual
Technical Description
2.1A-30001-H07
LINCOLN GmbH • Postfach 1263 • D-69183 Walldorf • Tel +49 (6227) 33-0 • Fax +49 (6227) 33-259
Page 17 of 36
Mode of Operation, continuation
Pressure relief valve with grease return, continuation
00002629a
Fig. 18
Fault indication in the case of a blockage
In the case of a blockage in the system, the grease pushes
out the red pin at the pressure relief valve, thus indicating
that there is a fault.
Return Line Connection
10032618
Fig. 19
Return line connection
The lubricant quantities which cannot be dispensed by the
metering device must be returned to the pump via the re-
turn line connection (Fig. 19).
Control Unit
00002616
Fig. 20
Printed circuit board integrated in the housing
6001a02
NOTE
The present Technical Description de-
scribes the ”Pump model 203 without
control unit”. Information concerning the
design and operation of the individual
control units can be found in the respec-
tive Technical Descriptions.
If the pump is to be equipped with a control unit, it is pos-
sible to use an integrated printed circuit board or an ex-
ternal control unit.