PAGE
80
ALMAC s.r.l.
6.2.6
Checking the operation of the maximum pressure valves
With the frequency indicated in the general chart, check the operation of the
maximum pressure valves of the distributor.
To test them, connect two pressure gauges with a full scale of 250 bar to the
pressure outlets supplied (4 and 5).
Checking the general maximum pressure valves of the system (1 and 3)
The pressure gauges relating to these valves are those connected to the outlets
4 and 5.
a)
Start the machine;
b)
Perform the levelling movements until the limit switch has been reached
and keep them in this position for a few seconds. This activates the
maximum pressure valve of the circuit;
c)
Read the pressure on the gauge, which should be 220 bar ± 5 bar.
Содержание MULTI-LOADER 6.0
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