Inhoudsopgave
Advertenties
EN
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
Leaky container
Liquid flows out of the pump
No tank pressure indication on
the piston pressure gauge,
Safety valves blow off too
early.
The nozzle does not spray
even though pressure is
present
The shut-off valve does not
close.
Liquid emerges without the
lever being activated
Contact address for additional information → see title page.
Cause
The pump is not screwed
on tightly.
O-ring [19] on the pump
is faulty.
Diaphragm [20] is defec-
tive.
Valve disc [23] dirty of
defective.
Piston pressure gauge
[16] is defective
Nozzle [21] or / and filter
[22] clogged.
Discharge filter [34] blo-
cked.
O-rings [24] of the pressu-
re bolt [25] is not greased
/ lubricated.
Defective pressure bolt
[25] or O-ring [24].
18
ENGLISH
Remedy
Screw the pump on tightly.
Replace the O-ring (Fig. 19).
Replace the diaphragm (Fig.
19).
Immediately put the device out
of operation
Clean or replace the valve
disc (Fig. 21).
For safety reasons, it is not
possible to replace the safety
valve/piston pressure gauge.
Please contact your local
MESTO specialist or MESTO
directly (3237P).
Replace the piston pressure
gauge (3278P).
Clean the nozzle (Fig. 22) or
/and filter (Fig. 23).
Clean discharge filter (Fig.
24).
Grease the O-rings of the
pressure bolt (Fig. 29).
Replace the pressure bolt or
O-rings (Fig. 29).
Advertenties
Inhoudsopgave
