HYDRAULICS
8E-37
DIFFERENTIAL LOCK VALVE
The differential lock system is intended for use when
one of the front drive wheels slips relative to the other
drive wheel. It is activated by a momentary switch
depressed by the operator's left foot. When the opera-
tor releases the differential lock switch, the hydraulic
drive system returns immediately to its normal state.
Figure 8E-20 shows an adaptation of a portion of the
hydraulic diagram from the parts manual showing
where the differential lock system is inserted into the
standard hydraulic system.
Repairs to the differential lock valve are limited to
installing a seal kit.
Figure 8E-20. Differential Lock Valve
IN from Hydrostat
FWD Port
Coil
12 V
Left Wheel
Motor OUT
Right Wheel
Motor OUT
Solenoid
Coil
12 V
IN from Hydrostat
FWD Port
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