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SECTION 2 - OPERATION
2-123
HYDRAULIC SYSTEM OPERATION
HYDRAULIC SYSTEM
The tractor is equipped with a specially
designed hydraulic system that consists of a
hydraulic reservoir, aload -sensing variable-flow
hydraulic pump, an implement valve assembly
with flow control capability, quick couplers, a
filter and oil coolers as standard equipment.
Optional equipment available for the hydraulic
system include a 3-point hitch and a 1.9mm
(3/4″)coupler kit for high flow requirements.
These optional features can be dealer or factory
installed.
The steering system of the tractor uses a
separate constant displacement pump to supply
oil to the steering valve. The steering pump oil is
also supplied to the implement valve (when
required) to supplement hydraulic pump flow
during high flow demand situations (i.e., air
seeder operation). Steering oil flow has first
priority for the steering circuit, then
supplementing implement valve oil
requirements.
The steering system consists of a constant
displacement pump, a P.O. valve, priority valves
(2), a closed center steering motor and steering
cylinders.
The steering system shares the hydraulic
reservoir, filter and oil coolers with the hydraulic
system.
Figure 2-162 shows the complete layout of the
hydraulic system.
Figure 2-163 shows the orientation of hydraulic
components on the tractor.