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4a Circulation shut-off valve
from Claas Balers ROLLANT 240 250 ROLLANT 250 with UNIWRAP Electric System Technical Systems Manual - PDF
4a
Circulation shut-off valve
Rollant 250 Comfort
04a - Circulation shut-off valve (with central terminal compartment) Rollant 250 Comfort
Key to diagram: A23-1 ROLLANT 250 module.....................Wiring loom B - part 2 VDR2 Varistor ...............................................................not shown Y77 Circulation shut-off valve solenoid coil .....................................Wiring loom B - part 2
Measured value table: Item Component Measured value Note Y77 Soleoind coil 3.8 A; 3.2 Ω
Description of function:
Circulation shut-off valve To be able to build up the working pressure necessary for many hydraulic control systems, the neutral hydraulic circulation must be blocked (see chapter "Hydraulic system"). In this case, the solenoid coil (Y77) is actuated by module A 23 ñ1 in parallel to the function.
Connector pin definition
Socket Y77
Connector mm Colour Y77 - 1 0.75 br Y77 - 2 0.75 gn
