Mesto 3598BM Mode D'emploi page 19

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
Liquid flows out of the
pump.
The nozzle does not
spray even though pres-
sure is present.
Only a spray, emerges,
there is no atomization.
Safety valve blows off too
early.
The shut-off valve does
not close.
Liquid emerges without
the lever being activated.
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Cause
Cover is leaking.
The pump is not screwed on
tightly.
O-ring [21] on the pump is
faulty
Diaphragm [22] is defective
Valve disk [26] dirty of de-
fective.
Filter [46] and / or nozzle [23]
blocked.
Insert [24] is missing
Safety valve [12] is defective. Replace safety valve.
O-rings [24] on the pressure
bolt not greased.
Defective pressure bolt [25]
or O-ring [24]
Remedy
Close cover properly (Fig. 7b)
Grease or replace O-ring [29]
(Fig. 22h)
Screw the pump on tightly
Replace the O-ring. (Fig. 20).
Replace the diaphragm.
(Fig. 21).
Clean or replace the valve disk.
(Fig. 20).
Clean the filter or / and nozzle.
(Fig. 18 +19).
Position the insert in the nozzle.
(Fig. 18).
(Fig. 22a - 22h).
Grease the O-ring of the pressu-
re bolt. (Fig. 23b).
Replace the pressure bolt or
O-ring. (Fig. 23b).
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ENGLISH