SECTION 10
RECIRCULATION SYSTEM
Jan 2003
p. 10-2
05148424
Item Description
(1) Recirculation Pump (2) Water Modulating Valve (3) Heat Exchanger
(4) Pressure Gage (5) Oil Filter (6) Hydraulic Oil Tank
(7) Oil Fill Cap
Operating Temperature Adjustment
The operating temperature is adjusted by turning the water modulating
valve (2) adjusting knob with a flat blade screwdriver. Clockwise
increases the oil temperature.
The water modulating valve regulates the cooling flow that enters at port
“D” to the heat exchanger (3) and then discharges through port “C” to the
drain.
The operating oil temperature is factory set at 46°C (115°F) based on the
temperature and flow of cooling water at the factory. Field adjustment
may be necessary.
10.3 System Pressure Protection
System pressurization over 4.2 bar (60 psi) is prevented by a relief valve
located on filter head (5).
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