Mesto 3237 Mode D'emploi page 18

EN
Observe the legal requirements of your country for accident prevention and check
the device in regular intervals.
10 years.
Faults
Use only original spare and accessory parts.
Fault
No pressure builds up in the
device.
Leaky container
No tank pressure indication on
The nozzle does not spray even
though pressure is present.
close.
Liquid emerges without the
lever being activated.
Cause
The pump is not screwed
on tightly.
O-ring [12] on the pump is
faulty. (Fig. 17)
Diaphragm [13] is defecti-
ve. (Fig. 17)
Valve disc [18] dirty of
defective. (Fig. 22)
Piston pressure gauge [9]
is defective
(Fig. 19)
clogged.
21) blocked.
Insert [16] is missing. (Fig.
19)
O-rings [19] of the pressure
bolt [20] are not greased /
lubricated. (Fig. 23)
Defective pressure bolt
[20] or
O-rings [19] (Fig. 23).
18
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Immediately put the device
out of operation
Clean or replace the valve
disc.
possible to replace the sa-
fety valve/piston pressure
gauge.
Please contact your local
MESTO specialist or MES-
TO directly.
Clean the nozzle.
(Fig.
Position the insert in the
nozzle.
Grease the O-rings of the
pressure bolt.
Replace the pressure bolt
or O-rings.
ENGLISH