MESTO 3270 Instrucciones De Uso página 18

EN
Observe the legal requirements of your country for accident prevention and check
the device in regular intervals.
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.
pump.
Piston pressure gauge
does not indicate any
pressure.
too early.
The nozzle does not
spray even though pres-
sure is present.
not close.
Liquid emerges without
the lever being activated.
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
(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
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Clean or replace the valve disc.
Replace the piston pressure
gauge.
Grease the O-rings [26]
Replace the pressure bolt or
O-rings.
ENGLISH