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EN
5. Design
5. Design
5.1 General information
Pump units of the KFG, KFGS and KFGC (CAN
bus) series are electrically driven reservoir
pump units available with and without an
integrated control unit. The pump provides
on-demand lubricant supply to centralized
lubrication systems with progressive feeders or
single-line distributors on machines, systems
and vehicles.
The pump units differ in terms of the size and
and their control and function monitoring.
Powerful CAN bus versions allow one unit and
a special valve to supply up to four indepen-
dent zones according to demand.
Note
The exact pump designation of the CAN bus
version consists of the particular order code
and begins with the KFGC designation. This
pump design is listed below under the KFGC
designation for the sake of simplifying the
descriptions.
5.2 Design
Pump units of the KFG, KFGS and KFGC series
are characterized by their compact construc-
tion and are divided into the assemblies for
pump housing, lubricant reservoir, control unit,
A short description of the individual assemblies
follows below.
5.2.1 Pump housing
The pump housing contains, among other
things, the pump drive, control unit (KFGS) and
three lubricant outlets for installing a maxi-
mum of three pump elements. A conical head
nipple is attached to the pump housing to fill
the pump. A filler socket or grease return can
also be attached.
A display and control screen is mounted on the
front side of the KFGS design, while the KFGC
design has a display attached. An IrDA inter-
face is integrated into this screen, which can
optionally be used to program the pump.
5.2.2 Lubricant reservoir
The lubricant reservoir is available in 2 kg, 6 kg
and 10 kg sizes.
The reservoirs are made of transparent plastic
and have fill level markings that allow the fill
level to be monitored visually.
The pump fill level can be monitored using an
integrated rocker switch or, optionally, a capac-
itive level switch attached to the cover.
KFGS
KFG
KFGC
Depending on the pump version and voltage
design, the electrical connections are located
on the left front and/or the underside of the
pump housing.
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