5
2
PRODUCT FUNCTIONALITY
2.1
Components of electric control units
2.1.1
Electric control units with main control valve SERIES 871
Fig. 1
1
Gearmotor of main control valve
2
Maximum pressure valve
3
Proportional electric valve
4
Filter
5
Boom section electric valves
6
Metered by-passes
7
Pressure gauge adapter or pressure sensor connection
IN
Intake of liquid for spraying
OUT A
Drain for maximum pressure valve
OUT B
Drain for metered by-pass
OUT C
Drain for proportional valve
OUT D
Drain for self-cleaning filter
U1÷U5
Boom section delivery
LThe main control valve series 871 is an assembly made up of main control valve
gearmotor (1) and maximum pressure valve (2)