6 - Maintenance
94
Drain valve seal replacement
If the main tank drain valve leaks, the seal and seat can be changed the
following way.
€
DANGER! Do not enter the inside of the tank - the parts can be
changed from the outside of the tank!
±
WARNING! Use eye / face protection mask when dismantling the
tank drain valve!
1. Make sure the tank is empty and clean.
2. The valve must be closed and the string loose.
3. Pull out the clip (A) and pull down connecting piece (B). The entire
valve assembly can now be pulled out.
4. Check cord and valve flap assembly (C) for wear, replace seal (D)
and assemble again.
5. Assemble the valve assembly again using a new valve seat (E). Lubricate O-rings (F) before assembly.
6. Fit clip (A) again.
ATTENTION! Check function of valve with clean water before filling chemicals into the tank.
Adjustment of 3-way-valve
The MANIFOLD valve can be adjusted if it is too tight to operate - or if it
is too loose (=liquid leakage). Correct setting is when the valve can be
operated smoothly by one hand. Use a suitable tool and adjust the
toothed ring inside the valve as shown on the drawing.
Safety Valve Activation (Diaphragm pump systems only)
To make the fluid system work perfectly over time, it is good practice to regularly provoke opening of the safety valve.
This prevents clogging and ensures proper function of the safety valve. Opening of the valve is done by turning the pressure
SmartValve to an unused function (or “TurboFiller” without activating) when the pump is running. This is good practice for
all sprayers; particularly for sprayers without optional equipment.
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