ALPHA PLUS HARDI NOVA
MM AA II NN TT EE NN AA NN CC EE
CHAPTER
55-
19
IThe Manifold valve can be adjusted if it is too tight to operate - or if it is too
loose (=liquid leakage).
Use a suitable tool and adjust the toothed ring inside the valve as shown on the
drawing.
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If the main tank drain valve leaks, the seal and seat can be changed the
following way.
- Make sure the tank is empty and clean
- The valve must be closed and the string loose
- Pull out the clip
((AA))
and pull down connectiong piece
((BB))
The entire valve assembly can now be pulled out.
- Check cord and valve flap assembly
((CC))
for wear
- Replace seal
((DD))
and assemble again
- Assemble the valve assembly again using a new valve seat
((EE))
- Lubricate O-rings
((FF))
before assembly
- Fit clip
((AA))
again
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Use eye / face protection mask when dis-
mantling the tank drain valve
Do not enter the inside of the tank - the parts can
be changed from underneath the tank !
Periodically check the distribution valves for proper sealing. Do this by running
the sprayer with clean water and open all distribution valves.
- Cautiously remove the clip
((AA))
and pull out the hose
((BB))
for the preesure equali-
sation device
When the housing is drained, there should be no liquid flow through the pressu-
re equalisation device. If there is any leakage, the valve cone
((EE))
must be chan-
ged
- Remove the clip
((CC))
and lift the motor housing of the valve housing.
- Then unscrew the screw
((DD))
and replace the valve cone
((EE))
- Reassemble in reverse order.
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