Mesto PICO Mode D'emploi page 16

GB IRL
• Lock the piston rod with handle [16] and screw the pump [2] into the tank [1].
• Clean the nozzle [13] and insert [12] under flowing water. If necessary use a needle.
(Fig. 17)
• Remove the filter [20] between the shut-off valve [7] and spray wand [8] or spray wand [9]
and clean it under running water. (Fig. 18)
• Grease the O-rings [17] and [22] (Fig. 15 and/or 20)
Observe the legal requirements of your country for accident prevention and check
the device in regular intervals.
If there are no special rules, we recommend 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 MESTO spare parts and accessories (→ Fig. on page 2).
Fault
No pressure builds up in
the device
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.
AUS USA
Cause
The pump is not screwed on
tightly.
O-ring [17] on the pump is
faulty. (Fig. 15)
Diaphragm [18] is defective.
(Fig. 15)
Valve disc [21] dirty or
defective. (Fig. 19)
Piston pressure gauge [14] is
defective
Filter [20] (Fig. 18) and / or
nozzle [13] (Fig. 17) is clogged.
Insert [12] is missing (Fig. 17)
O-ring [22] of the pressure bolt
[23] not greased / lubricated.
(Fig. 20)
Defective pressure bolt [23] or
O-ring [22] (Fig. 20)
16
NZ CDN
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Clean or replace the valve disc.
Have the piston pressure
gauge repaired.
Clean the filter or / and nozzle.
Position the insert in the nozzle
Grease the O-ring of the
pressure bolt (dismantle or
assemble the pump → section
"Care and maintenance")
Replace the pressure bolt or O-
ring.
IND