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Removing intake and pressure valve
• Remove the pressure vessel [14] (see Points a – c, "Care and maintenance").
Pressure valve:
d) Using the filling strainer [8], rotate the pressure valve screw [22] counter-clockwise.
(Fig. 15)
Intake valve:
d) Screw off the hexagon nut [23] and take the cylinder [18] out of the tank. (Fig. 16)
e) Screw the valve screw [24] out of the cylinder [18]. (Fig. 17)
Faults
Use only MESTO spare and accessory parts.
(Remove pressure vessel
Fault
No pressure builds up in
the device.
Lever [10] can be moved
very easily.
Lever [10] is pulled
downwards.
Lever [10] is pulled
upwards.
Lever [10] locked or can
be moved downwards
with difficulty only.
Only a spray, emerges,
there is no atomization.
Liquid dripping from the
nozzle.
Device sprays only when
pumped.
The shut-off valve does
not close.
Liquid emerges without
the lever being activated.
Contact address for additional information
AUS
USA
"Care and maintenance" chapter)
Cause
Diaphragm [16] is defective.
Foreign object prevents closure
of the intake valve [24] and / or
pressure valve [22].
O-ring [27] incorrectly situated
in the intake valve [24].
Intake valve [24] dirty or valve
ball [26] sticking.
Foreign object prevents closure
of the pressure valve [22] or
defective valve disc in the
pressure valve [25].
Diaphragm [16] is defective.
Pressure valve [22] dirty.
Filter [19] and / or nozzle [20]
blocked.
Nozzle insert [21] is missing.
Foreign object in the nozzle
[20] and / or the insert [21].
Pressure
vessel
filled with liquid
O-ring [28] of the pressure bolt
[29] not greased
O-ring [27] defective
Title page
16
NZ
Remedy
Replace the diaphragm.
(Fig. 18)
Clean intake and / or pressure
valve. (Figs. 18, 19)
Insert O-ring correctly into the
intake valve. (Fig. 19)
Clean intake valve. (Fig. 19)
Clean pressure valve
or
replace valve disc. (Fig. 18)
Replace the diaphragm. (Fig.
18)
Clean pressure valve. (Fig. 18)
Clean filter (Fig. 13) and / or
nozzle (Fig. 14).
Position the insert in the
nozzle. (Fig. 14)
Clean nozzle and / or insert.
(Fig. 14)
completely
Pump device empty.
Repeat after 5 fillings at the
latest.
Grease the O-ring of the
pressure bolt. (Fig. 20)
Replace the pressure bolt or
O-ring. (Fig. 20)
CDN
IND
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