Publicité
EN
• Disassemble the shut-off valve [9]. (Fig. 29)
• Screw the sealing cap [45] from the valve body [44] and pull the pressure bolt [25] from
the valve body [44]. (Fig. 29)
• Grease the O-rings [24] (Fig. 29)
• Assemble the shut-off valve [9].
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.
Only spray, no atomization.
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] clogged.
Discharge filter [34] blo-
cked.
Insert [52] is missing.
O-rings [24] of the pressure
bolt [25] are not greased /
lubricated.
Defective pressure bolt [25]
or O-rings [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 sa-
fety valve/piston pressure
gauge.
Please contact your local
MESTO specialist or MES-
TO directly.
Clean the nozzle (Fig. 22).
Clean discharge filter (Fig.
24).
Position the insert in the
nozzle (Fig. 22).
Grease the O-rings of the
pressure bolt (Fig. 29).
Replace the pressure bolt
or O-rings (Fig. 29).
Publicité
