GB
IRL
Care and maintenance
Observe the instructions in the section entitled „Safety".
After using the device 50 times or at least once a year:
•
Disassemble the pump [2] and grease the diaphragm [20]. (Fig. 12 - 13)
•
Clean the nozzle [21] under running water. (Fig. 14)
•
Remove the filter [22] from the shut-off valve [3] and clean it under flowing water (Fig. 15)
•
Grease the O-rings [19] and [24] (Fig. 13 and/or 19)
Observe the legal requirements of your country for accident prevention and
check the device in regular intervals. If there are no special rules, we recom-
mend you have the device examined externally by a competent professional
every 2 years and subject it to an internal inspection every 5 years. We would be
happy to provide you with an inspection schedule in German or English.
Faults
Use only spare parts and accessories from MESTO (Fig. on page 2)
Fault
No pressure builds up in
the device
Liquid flows out of the
pump.
The nozzle does not
spray even though pres-
sure is present.
Safety valves blow off
too early.
The shut-off valve does
not close.
Liquid emerges without
the lever being activa-
ted.
Pressure gauge is not
indicating any tank
pressure
Contact address for additional information → Title page.
AUS
USA
Cause
The pump is not screwed
on tightly.
O-ring [19] on the pump is
faulty.
Diaphragm [20] is defective. Replace the diaphragm. (Fig. 17)
Valve disc [23] dirty of
defective.
Filter [22] and / or nozzle
[21] blocked.
Safety valve [13] is defec-
tive.
O-rings [24] on the pressure
bolt not greased.
Defective pressure bolt [25]
or O-rings [24]
Manometer [16] defekt.
16
NZ
CDN
Remedy
Screw the pump on tightly
Replace the O-ring. (Fig. 17)
Clean or replace the valve disc.
(Fig. 16)
Clean the filter or / and nozzle.
(Fig. 14 + 15).
Replace safety valve. (Fig. 18)
Grease the O-ring of the pres-
sure bolt. (Fig. 19)
Replace the pressure bolt or
O-ring. (Fig. 19)
Pressure gauge [16] defective.
Unscrew pressure gauge [16]
and replace. (Fig. 20)
IND