Solution Flow System Solenoid Valve/Faucet/Filter Unit Disassembly - Nilfisk-Advance BA 600S Service Manual

SERVICE MANUAL

SOLUTION FLOW SYSTEM SOLENOID VALVE/FAUCET/FILTER UNIT DISASSEMBLY

1. Drain the recycling water, if any, from the related tank (70) by using the pipe (36).
2. Drain the solution, if any, from the related tank (71) by using the pipe (37).
3. Position the machine on a level ground.
4. Turn the ignition key (10) to "0" position.
5. Disconnect the battery connector (40).
6. Close the solution faucet (A) from the right lower side of the machine.
7. Slightly lift the machine left side and remove the hoses (B) and (C) from their fittings.
8. Mark the position of the clamp (D) on the faucet control cable sheath (E); loosen the clamp (D) and release the
sheath (E).
Remove the cable (F) from the lever (G).
NOTE
When reassembling, tighten the sheath (E) through the clamp (D) into its position, by using the
reference marks made before disassembly, not to change the adjustment of the faucet control.
9. Unscrew the screw (P) and disconnect the solenoid valve (Q).
10. Unscrew the mounting screws (H) of the solenoid valve-faucet-filter assembly holder.
11. Remove the solenoid valve-faucet-filter assembly (I).
12. Place the assembly on the workbench, and unscrew the fittings (N) / screws (O) to remove the solenoid valve (J) /
the faucet (K) / the filter unit (L).
13. If necessary, remove dirt or limestone from the solenoid valve (J) inner seal, after disassembling it according to the
following procedure:
– loosen the retainer ring (S), then remove the coil
– unscrew the four solenoid valve mounting screws (T) and its seal
– after cleaning the inner seal, reassemble the solenoid valve by carrying out the disassembly operations in the
reverse order. Make sure that you correctly replace the seal into its seat.
14. If necessary, remove dirt or limestone from the faucet (K); in particular, clean the solution "ECO" flow inner hole (R).
15. Reassemble by carrying out the disassembly operations in the reverse order.
NOTE
When reassembling the solenoid valve (D), the orientation of the arrow (M) must be as shown in the
figure (in the direction of the solution flow); furthermore, before installing the previously removed
fittings (N), clean the related threads and apply LOCTITE 572 sealant.
14 909 5484 000(1)2004-03