Groeneveld EG1703P03, Общее руководство

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Automatic Greasing System Twin-3
Principle of operation 15
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EG1703P03
2.3.5 Grease reservoir and its follower plate
The reservoir (see Figure 2.2/2) is made of a transparant, impact-proof plastic that resists the affect
of variable temperatures and other enviromental influences.
The volume of the reservoir depends on its height. The maximum grease level is indicated on the
reservoir. A warning signal in the cabin indicates when the minimum level has been reached.
A follower plate (see Figure 2.2/1) is located in the reservoir, above the grease. This piston follows
the level of the grease. When the grease level falls, the piston also falls under the influence of a
draw spring. The grease follower plate locks out air and condensation, so preventing:
• oxidation of the grease;
• mingling of the grease with the water of condensation;
• saponifying of the grease.
The grease level in the reservoir can always be determined at a glance, because the grease follower
plate scrapes the walls of the reservoir. Also the follower plate prevents funnel-forming in the
grease, so the grease supply can and will be used in its entirety.
2.3.6 Minimum level switch
A minimum level switch monitors the grease level in the reservoir (see Figure 2.2/17). When the
grease reaches the minimum level, this switch will notify the control unit. At the beginning of every
following greasing cycle a signal lamp in the cabin will flash or the yellow and green LED along with
indication LO at the Twin-3 display is lit continuously as a warning that the reservoir has to be
refilled.