When free discharge (by gra-
vity, without giving compres-
sed air into the tank), one of
the manhole covers must be
opened before starting the
discharge.
1-) Draw near the filling station. Stop the
vehicle.
2-) Fix the vehicle with the help of wheel
chocks.
3-) Remove the perrot coupling cover
(21).
4-) Connect the perrot coupling to fill/dis-
charge hose. Connect the other end of
the hose to the coupling on the unit to be
filled.
5-) Open the pneumatic on-off valve for
tank ventilation (27).
6-) Open the 6" manual control gate
valve (11.2) on the pump inlet line.
Manual control gate valve
7-) Open the 6" manual control gate
valve (11.1) on the pump outlet line.
8-) Perform discharge operation.
7.4.4.3. Discharge With Pump
1-) Draw near the filling station. Stop the
vehicle. Engage the tractor handbrake.
2-) Fix the vehicle with the help of wheel
chocks.
3-) Remove the perrot coupling cover
(21).
4-) Connect the perrot coupling to fill/dis-
charge hose. Connect the other end of
the hose to the coupling on the unit to be
filled.
5-) Open the pneumatic on-off valve for
tank ventilation (27).
6-) Close the 6" manual control gate
valve (11.2) on the pump inlet line.
