Nilfisk-ALTO POSEIDON 2-22, Repair Manual

Page: 19 / 28

19
D
Service / Repair.
Valve adjusting
1. Turn the flow regulation to maximum flow
2. Adjust the spring guide (13) by the following procedure until the test manometer shows a
standby pressure according to “Technical data” page 4.
A. Adjustment of the standby pressure:
1. Let the machine be operating at the specified working pressure and
flow according to the “Technical data” page 4.
2. Stop the machine by releasing the trigger and read the standby pres-
sure.
3. Start the machine again by activating the trigger.
4. Then adjust the spring guide (13) until the standby pressure is around
the nominal value according to the “Technical data” page 4.
5.Repeat “1” to “4” Until the standby pressure is approximately the nomi-
nal value according to the “Technical data” page 4.
6. Lock the adjustment with the counter nut (14).
3. Activate the trigger for 15 s, and let the machine operate according to data in the “Technical
data” page 4.
4. Release the trigger, wait 5 s and read the standby pressure at the test manometer.
5. If necessary, repeat point A (1-6) in order to achieve the specified standby pressure.