Detergent Tank Cleaning; Ecoflex™ System Draining - Nilfisk ECOFLEX BA 651 Manuel D'utilisation

ENGLISH

DETERGENT TANK CLEANING

(For machine with EcoFlex™ system)
Clean the detergent tank (45) according to the following procedure:
1. Drive the machine to the appointed disposal area.
2. Open the cover (22) and check that the recovery tank (21) is empty, otherwise empty it with the drain hose (16). Close the
cover (22).
3. Grasp the handle (41) and carefully lift the tank (40).
4. Unscrew the plug (46) and disconnect the hose from the tank (45).
5. Remove the tank.
6. Wash the tank in the appointed disposal area.
7. Install the tank (45) and connect the hose.
8. When the detergent tank has been drained, the system must be drained too by running the system with clean water only (see
the procedure in the following paragraph).
ECOFLEX™ SYSTEM DRAINING
(For machine with EcoFlex™ system)
1. Clean the detergent tank according to the procedure shown in the previous paragraph. To remove the detergent remained in
the hoses and in the pump, perform the following procedure.
2. Grasp the handle (41) and carefully lower the tank (40).
3. Turn on the machine by turning the ignition key (80) to "I".
4. Turn on the system by pressing the switch (77). Check that the switch warning light (78) turns on.
5. Press the switches (77) and (82a) at the same time, until the switch warning light (78) starts fl ashing (after about 5 seconds).
6. Release the switches and wait for the warning light (78) to stop fl ashing and for the vacuum system to turn on.
7. Collect the detergent remained on the fl oor.
8. Turn the ignition key (80) to "0".
9. Grasp the handle (41) and carefully lift the tank (40), then check that the hose (48) is empty, otherwise perform steps 3 to 9
again.
NOTE
The draining cycle lasts about 30 seconds, then the vacuum function automatically turns on, which allows to remove the
detergent remained.
The draining cycle can also be performed with the detergent tank (45) full of water, thus cleaning the system thoroughly.
It is advisable to perform this type of draining to clean the system from dirt and deposits if the machine has not been
used/cleaned for a long time.
The draining cycle can be performed also to quickly fi ll the detergent supply hose when the tank (45) is full but the
system is still empty.
If necessary, the draining cycle can be repeatedly performed.
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USER MANUAL
9097293000(3)2010-03 A BA 651 - BA 751 - BA 851 - BA 751C