Removal And Installaion; Solenoid Valve Removal; Solenoid Valve Disassembly And Cleaning - Nilfisk-Advance Clarke Focus II Large Service Manual

Solution System
Removal and Installation

Solenoid Valve Removal

1 Drain the solution tank or turn off the solution ball valve to prevent solution loss
2 Shut off the key switch and disconnect the battery connector
Note: You may want to jack up the left side of the machine for better access to the Solenoid Valve (H) and associated
hardware. If you choose to jack up the machine, make sure you support the machine with safety stands or
blocking to prevent the machine from dropping and possibly causing personal injury or machine damage.
Warning!
Never work under machine without safety stands or blocking to support the machine.
3 Unplug the L1 solenoid valve Connector Assembly (G) from the machine harness Note that you may need to
cut the wire tie
Note: You may want to place a pan underneath the Solenoid Valve (H) to catch any water remaining in the Inlet
and Outlet hoses when you disconnect the hoses.
Loosen the Hose Clamps (K) holding the Inlet Hose (N) and Outlet Hose (L) to the Solenoid Valve (H)
4
Carefully remove (pry off) the Outlet Hose (L) from barbed itting on the Solenoid Valve (H)
5
Remove the 2 Phillips Pan Head Screws (M) and Washers (J) holding the valve to the machine frame
6
Carefully remove (pry off) the Inlet Hose (N) from the barbed itting on the Solenoid Valve (H) and remove the
7
Solenoid Valve (H) from the machine

Solenoid Valve Disassembly and Cleaning

Remove the Solenoid Valve (H) See the Solution System/Solenoid Valve
1
Removal section above for instructions
2 Remove the 4 Screws
(O) and disassemble the
Solenoid Valve (H) Be
careful not to lose any
internal parts
3 Thoroughly wash any
dirt or debris from
the Block (P) and
Diaphragm (Q)
4 After reassembling, test
the Solenoid Valve (H)
for correct operation
35 - FORM NO. 56043162 - Focus II Large