Care And Maintenance - MESTO 3593 Serie Instrucciones De Uso

Care and maintenance

Observe the instructions in the section entitled "Safety".
• Disassemble the pump [2] and grease the diaphragm [20]. (Fig. 16 -17).
• Clean the nozzle [21] under running water. (Fig. 18).
b) Loosen the four screws and pull the half shells [42] apart.
c) Screw the sealing cap [45] from the valve body [44] and pull the pressure bolt [25] from
the valve body [44].
Observe the legal requirements of your country for accident prevention and check
the device in regular intervals.
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
the pump.
The nozzle does not
spray even though
pressure is present.
Safety valves blows
does not close.
Liquid emerges wit-
hout the lever being
activated.
Pressure gage is not
indicating any tank
pressure.
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.
(Fig. 19).
(Fig. 19)
Screw the pump on tightly.
Replace the O-ring. (Fig. 20).
Clean or replace the valve disk. (Fig.
20).
18 +19).
Replace safety valve. (Fig. 22).
bolt.
re bolt or O-ring.
Unscrew pressure gage [16] with
wrench and replace. (Fig. 24).
18
(Fig.
Replace the pressu-
.