MESTO PROFI 3275 Instrucciones De Uso página 18

GB IRL
Observe the legal requirements of your country for accident prevention and check
the device in regular intervals.
Unless otherwise specified, we recommend that an expert carries out an external
test every 2 years and an internal test every 5 years as well as a strength test
every 10 years.
Faults
Use only original spare and accessory parts.
Fault
No pressure builds up in
the device.
Liquid flows out of the
pump.
Piston pressure gauge
does not indicate any
pressure.
Safety valve blows off
too early.
The nozzle does not
spray even though pres-
sure is present.
The shut-off valve does
not close.
Liquid emerges without
the lever being activated.
Contact address for additional information → see title page.
AUS USA
Cause
The pump is not screwed on
tightly.
O-ring [14] on the pump is faulty. (Fig. 16)
Diaphragm [15] is defective.
(Fig. 16)
Valve disc [17] dirty or defec-
tive. (Fig. 18)
Piston pressure gauge [8] is
defective. (Fig. 19)
Nozzle [18] (Fig. 20) or / and
filter [20] (Fig. 21) is clogged.
O-rings [26] of the pressure
bolt [27] not greased / lubri-
cated. (Fig. 22)
Pressure bolt [27] or
O-rings [26] defective.
(Fig. 22)
18
NZ CDN
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Clean or replace the valve disc.
Replace the piston pressure
gauge.
Clean the filter or / and nozzle.
Grease the O-rings [26]
Replace the pressure bolt or
O-rings.
IND