Check the valve model supplied, referring to the corresponding figure and to the instructions contained in this
handbook for adjustment.
6
3
2
HONEYWELL VR 420 VA
1 PRESSURE CHECK INLET
2 PRESSURE CHECK OUTLET
3 PRESSURE REGULATOR
1
1
4
5
1
5
4
EN
3
5
DUNGS MB-DLE 407
1
2
3
SIT 822 NOVA
4 GAS SOLENOID GROUP
5 GAS PRESSURE SWITCH
6 HYDRAULIQUE BRAKE
Fig. 4
11
2
2
4