SELF-CONTAINED HYDRAULIC SYSTEM
Hydraulic System
The mixer has a self-contained hydraulic system featuring hydraulic
motor operated discharge augers and an optional hydraulic motor
operated swinging intake auger attachment. The self-contained hydraulic
system is composed of a pump, pressure relief valve, cyclonic reservoir
and oil filter.
Note:
When operating at cold temperatures, allow
the hydraulic oil in the self-contained system to warm
up at tractor idle speed with the PTO running prior
to grinding.
Hydraulic Pump/Motor Drive
The GM 170 has a double sheave on the end of the main drive shaft
which is connected by a double banded belt to the hydraulic pump.The
pump is belt driven directly off the main drive shaft which is coupled by
the telescoping drive to the tractor PTO shaft. Overload protection for
the hydraulic pump is provided by a self-sdjusting spring tightener.
IMPORTANT:
Stop mixer operation if drive belt slipping is detected.
OPERATION (cont.)
Pressure Relief Valves
Pressure relief valves on the variable speed controls for the Swinging
Intake Auger (SIA) if applicable, and discharge auger system provide
overload protection for the hydraulic system. The relief valves will permit
pressure build-up to a factory set value of 2800 PSI. The self-contained
hydraulic system operating pressure range is normally 500 to 2000 PSI. If
the SIA is stopped by a malfunction or overloading, the pressure will build
up to the factory set cut-off pressure and the relief valve will open allowing
oil to flow directly through the flow control and continue to the flow control
for unloading augers which will continue to function. If one of the hydraulic
motors of the unloading auger system is stopped by a malfunction of the
component it is driving, the pressure will build-up to the factory set cut-off
pressure and the relief valve will automatically stop flow throughout the
entire hydraulic system. After the problem is corrected, the relief valve will
automatically reset and restore oil flow to the system.
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Содержание GM 170
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