MESTO RS 120 Instrucciones De Uso página 19

GB IRL
Maintaining the pressure valve
1. Press the catch [25] out of the notch. Screw the cylinder [27] out of the tank.
(Figs. 10 and 13)
2. Remove the pressure vessel [34]:
a) Remove the fixing [30] and cap [29]. (Fig. 12)
b) Remove the U-bolt [32]. (Fig. 12)
c) Pull the pressure vessel [34] half out of the tank. (Fig. 13)
d) Using the filling strainer [21], unscrew the pressure valve screw [35]. (Fig. 14)
3. Clean and, if required, replace the pressure valve disc [28]. (Fig. 14)
4. Clean and, if required, replace the diaphragm [24]. (Fig. 14)
Removing the shaft and pull rod
1. Remove the retaining clip [18]. (Fig. 15)
2. Pull the pump lever [10] and handle [11] out of the shaft [16]. (Fig. 15)
3. Remove the fixing [30] and the cap [29]. (Fig. 16)
4. Detach the pull rod [31] from the pump rod [33].
5. Pull the shaft [16] and pull rod [31] out of the tank. (Fig. 16)
6. Remove the lock washer [36] and the bolt [37].
7. Separate the pull rod [31] from the shaft [16]. (Fig. 16)
Replacing the O-ring on the pump rod
1. Remove the fixing [30] and cap [29]. (Fig. 12)
2. Detach the pull rod [31] from the pump rod [33]. (Fig. 12)
3. Using a spark plug wrench, unscrew the guide bush [49]. (Fig. 21)
4. Replace the O-ring [50]. (Fig. 21)
Disassembling the shut-off valve
1. Unscrew the handgrip [39] from the shut-off valve. (Fig. 19)
2. Unscrew the adapter [42].
3. Pull off the ring [43]. (Fig. 19)
4. Loosen the 4 screws and pull the half shells [44] apart.
5. Unscrew the locking cap [45] from the valve body [48].
6. Pull the pressure bolt [46] out of the valve body [48]. (Fig. 19)
Faults
Use only MESTO spare parts and accessories.
Fault
No pressure builds up in
the device.
Pump lever with handle
[11] can be moved very
easily.
Pump lever with handle
[11] is pulled downwards.
Pump lever with handle
[11] is pulled upwards.
AUS USA
Cause
Diaphragm [24] is defective.
Foreign object prevents the
valve disc [28] from closing
Valve disc [28] of the intake or
pressure valve defective.
Intake valve [27] sticking.
Foreign object prevents closure
of the pressure valve [35] or
defective valve disc [28].
19
NZ CDN
Remedy
Replace the diaphragm. (Fig. 14)
Clean intake or pressure valve
(Figs. 11 and 14)
Replace valve disc. (Figs. 11
and 14)
Clean intake valve. (Fig. 11)
Clean pressure valve or replace
valve disc. (Fig. 14)
IND