VACUUBRAND PC 600 LAN NT User Manual
Page 84

page 84 of 102
➨
For maintenance, lay the pumping unit on its side with the pump heads
to be maintained at the top. Support the pumping unit appropriately.
➨
Remove the 4 screws affixing the head cov-
er cowling (W) with a Torx driver T20. Pay
attention to the washers under the screws
and remove.
➨
Pull off head cover cowling (W) carefully. Do
not tilt.
W
Replacing the diaphragms and valves is described for a pumping
unit with a diaphragm pump MZ 2C NT (PC 500 LAN NT).
Replace the diaphragms and valves of pumping units PC 600 LAN
NT (with diaphragm pump MD 4C NT) in the same way.
Detach the coupling of the connection tube (V)
to the other side of the pump as well as the
hose connection to the inlet/outlet of the vacu-
um system at the valve head (O).
➨
Open the hose clip (U) with a slotted screw-
driver.
➨
Pull the tubing off the hose connector.
O
U
Opening the hose clip:
➨
Apply slotted screwdriver as shown and
turn.