Selective Control Valves

LX1037195-UN-17MAY06

A - Lock function (manual)

B - Lock function (pressure-controlled)

C - No lock function

The tractor may be equipped with 300 or 350 Series selective control valves. These provide the functions Raise and Lower plus one Float Position.

Besides these functions, they have a lock function (A) which holds the control lever in the Raise or Lower position until it is moved manually.

They also have an additional lock function (B), which holds the control lever in the Raise or Lower position until the pressure in the oil circuit has reached a predetermined value (e.g. when the remote control cylinder has reached its end position).

Neither locking function is activated in position (C). The control lever returns to neutral as soon as it is released.

If an implement (e.g. an hydraulic cylinder) is connected, comply with the symbols on the couplers. With 300 Series selective control valves, a valve prevents rapid loss of pressure caused by leakage (e.g. retracting cylinder) when the engine is shut off. On 350 Series selective control valves, the likelihood of leakage is further diminished.