GB
IRL
Care and maintenance
Observe the instructions in the section entitled "Safety".
After using the device 50 times or at least once a year:
• Unscrew the pump [2] from the tank. (Fig. 6)
• Dismantle the pump [2]. (Fig. 14)
• Grease the O-ring [13] and the sleeve [14]. (Fig. 15)
• Assemble the pump.
• Lock the piston rod with handle [10] and screw the pump [2] into the tank [1].
• Clean the nozzle [17] under running water. If required use a needle. (Fig. 19)
• Unscrew the handgrip [19] from the shut-off valve [6].
• Remove the filter [20] and clean it under running water. (Fig. 20)
• Disassemble the shut-off valve [6]. (Fig. 21)
a) Pull off the ring [21].
a) Loosen the four screws and pull the half shells [22] apart.
b) Screw the sealing cap [25] from the valve body [22] and pull the pressure bolt [24] from
the valve body [22]. (Fig. 22)
• Grease the O-ring [23]. (Fig. 22)
• Assemble the shut-off valve [6].
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
Piston pressure gauge
does not indicate any
tank pressure.
Safety valve blows off too
early.
AUS
USA
Cause
The pump is not screwed on
tightly.
O-ring [13] on the pump is
faulty. (Fig. 15)
Diaphragm [14] is defective.
(Fig. 16)
Valve disc [15] dirty or
defective. (Fig. 17)
Piston pressure gauge [16] is
defective. (Fig. 18)
16
NZ
CDN
Remedy
Screw the pump on tightly.
Replace the O-ring.
Replace the diaphragm.
Clean or replace the valve disc.
Replace the piston pressure
gauge.
IND