Care And Maintenance - MESTO 3561 Serie Instrucciones De Uso

EN

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. 16 -17).
• Clean the nozzle [21] under running water. (Fig. 18).
• Unscrew the handgrip [41] from the shut-off valve [9] (Fig. 19).
• Remove the filter [22] and clean it under running water. (Fig. 19)
• Disassemble the shut-off valve [9]. (Fig. 23a)
• Screw the sealing cap [45] from the valve body [44] and pull the pressure bolt [25] from
the valve body [44]. (Fig. 23b)
• Grease the O-rings [19] and [24] (Fig. 17 and/or 23b)
• 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
Liquid flows out of
the pump.
The nozzle does not
spray even though
pressure is present.
Safety valves blows
off too early.
The shut-off valve
does not close.
Liquid emerges wit-
hout the lever being
activated.
Pressure gage is not
indicating any tank
pressure.
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 defective. Replace the diaphragm. (Fig. 21).
Valve disk [23] dirty of
defective.
Filter [22] and / or nozzle
[21] blocked.
Safety valve [12] is defec-
tive.
O-ring [24] on the pressure
bolt not greased.
Defective pressure bolt [25]
or O-ring [24].
Pressure gage [16] defec-
tive.
Remedy
Screw the pump on tightly.
Replace the O-ring. (Fig. 20).
Clean or replace the valve disk. (Fig.
20).
Clean the filter or / and nozzle. (Fig.
18 +19).
Replace safety valve. (Fig. 22).
Grease the O-ring of the pressure
bolt. (Fig. 23b). Replace the pressu-
re bolt or O-ring. (Fig. 23b).
Unscrew pressure gage [16] with
wrench and replace. (Fig. 24).
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ENGLISH