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BAL2185_Grease_lubrication_pump_PICO_with_PICO-troniX1_-tronic_0519EN 10158410
...a product of
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8.3 Functionaldescription ofthe device
8.3.1 Functionaldescription ofthe versionwith follow-uppiston
Thefollowing listedpositions canbe foundin fig.21.
A DC motor optionally with 12 or 24 V DC (pos. 1) drives the eccentric shaft (pos. 3) via a worm drive (pos. 2). The,,
delivery pistons (pos. 4) of the integrated pump elements are pushed into the pump element body (pos. 5) by the rotary
movement and the eccentricity of the shaft (= delivery stroke). The delivery pistons return into their initial position by the
compressionsprings (pos.6) andsuck newlubricant fromthe reservoir(=suction stroke).
Non-return valves are integrated in the pumpelements which prevent thatlubricant, which has alreadybeen displaced, is
sucked back.An agitator blade (pos. 8), which is firmly connected with the eccentric shaft, is located above the centering
ring (pos. 7),which is used asgrease strainer. Theagitator blade pushes thelubricant towards the pumpelements. There
is a follow-up piston (pos. 10) in the reservoir (pos. 9) which is pushed onto the lubricant by a conical compression spring
(pos. 11). By this, the follow-up piston pushes the lubricant evenly to the agitator blade or to the pump elements. It is
thereforenot strictlynecessary toassemble thedevice vertically.
If the reservoir is empty, the follow-up piston pushes onto a feeler (pos. 12), which sends a signal to the integrated control
unit.The integrated control unitdisplays the error and switchesthe device offin order toprevent that air getsLevel too low
intothe lubricationsystem (seechapter 13„Troubleshooting“).
The device can be filled via a cone-type zerk which is located in the pump housing. In order to avoid an overfilling of the
device,a pressurelimiting valve(pos. 13)is integratedin thepumphousing whichis usedas overfillprotection.
Referto chapter7.2 „Fillingwith lubricant“for furtherinformation onfilling thedevice.
Fig.21:
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