AGROPLAST P-100 Посібник користувача - Сторінка 6

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6 REPLACEMENT OF BASIC ELEMENTS

Water that has not been drained off might freeze which might result in pump failure

adhere to the servicing schedule of oil exchange every one year,

once a year, preferably before beginning the exploitation season, replace the following elements:

pump membranes, check valves and the air vessel diaphragm,

for the first 16 hours of work, pump's elements are breaking in and one should not exceed the working

pressure of 1 0 Mpa,

during the whole period of pump usage, it is not recommended to exceed the working pressure of

1 6 Mpa

OIL EXCHANGE:

In order to exchange oil in the pump:

undo the oil gate plug in the pump,

disassemble the drain plug, which is located at the bottom of the pump's housing, from the housing

drain the used oil to stable dish (oil should be drained when the pump has heated up),

after draining the oil and screwing in the drain plug, fill in the oil through the oil gate to a level

between min and max

REPLACEMENT OF CHECK VALVES:

Before attempting to replace the check valves:

unplug the suction and pressure cord,

drain the remainder water from the heads,

undo the nuts and bolts holding the head,

remove the check valves,

while installing new check valves pay attention to their accurate positioning in reference to the

direction of liquid flow,

reassemble the elements in reverse order

REPLACEMENT OF PUMP MEMBRANE:

disassemble the pump from the spraying machine and drain the oil,

perform the same instructions as in the case of check valves replacement,

unscrew the membranes from the pump piston,

install new membranes,

reassemble the elements in reverse order

Leaking of white opaque oil from the pump's filler hole is an evidence of emergency

membrane rupture and the immediate need to turn off the pump In such a case, the

replacement of all the membranes and oil is recommended

AIR VESSEL DIAPHRAGM REPLACEMENT:

In order to replace the air vessel diaphragm:

release air by pushing down the vent valve,

unscrew the nuts holding the manifold cap,