13
6
Daily maintenance of the pump
−
Check the oil level in drive unit
Note
If the oil in the pump drive has become whitish in colour, replace the oil. The whitish colour
may indicate the presence of excessive condensation water in the oil.
−
Check for possible leaks in the oil and fuel
hoses.
−
Check the dripping of the gland packing on
the piston rod; this should not exceed one
drop every five seconds. It may be necessary
to readjust the gland packing at greater lift
heights.
−
Check that the dripping water can drain away from the gland packing. The channel must not be
plugged on the outside by dirt and sand that have splashed onto the enclosure.
−
Check whether the machine is still placed properly on the ground on which it stands, in accordance
with the instructions. This is important, because the situation can change as a result of a build-up of
sand/soil around the pump unit.
−
Check the vacuum above and below the filter
in the stone catcher using the two vacuum
gauges on the stone catcher. A difference
between
the
two
readings
indicates
restriction of the filter, in which case it must
be cleaned.
−
If a particulate filter is installed, check whether the indicator light on the control panel is lit. If the
light is on, clean the filter. Cleaning the particulate
filter’.
