Mesto 3270FO Mode D'emploi page 18

EN
• Lock the piston rod with handle [9] and screw the pump [2] into the tank [1]. (Fig. 8)
• Clean the nozzle [14] under running water. (Fig. 19)
a) Loosen the four screws and pull the half shells [20] apart.
b) Screw the sealing cap [23] from the valve body [20] and pull the pressure bolt [18] from
the valve body [22]. (Fig. 22)
• Grease the O-rings [17]. (Fig. 22)
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
pump
No tank pressure indica-
tion on the piston pressure
gauge.
early.
The nozzle does not spray
even though pressure is
present.
(Fig. 21)
Cause
The pump is not screwed
on tightly.
O-ring [11] on the pump is
faulty. (Fig. 16)
Diaphragm [12] is defecti-
ve. (Fig. 16)
Valve disc [13] dirty or
defective. (Fig. 17)
Piston pressure gauge [7]
is defective. (Fig. 18)
Filter [16, 26] (Fig. 20,
20b) or/and nozzle [14]
or/and mixing plates [15]
(Fig. 19) are clogged.
18
(Fig. 20a)
(Fig. 20b)
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Clean or replace the valve disc.
Replace the piston pressure
gauge.
Replace mixer plates.
ENGLISH