7070
Stripe Hog Systems
NOTICE:
THE HYDRAULIC OIL TEMPERATURE MUST BE ABOVE
60 DEGREES FAHRENHEIT BEFORE OPERATING THE
HYDRAULIC PUMP UNDER LOAD. IF THE OIL TEMPERATURE
IS BELOW 60 DEGREES F (16 C) YOU SHOULD RUN THE
MACHINE IN OPERATE MODE AT IDLE TO CIRCULATE
HYDRAULIC FLUID AT LOW PRESSURE UNTIL IT IS WARMED
TO OPERATING TEMPERATURE AS INDICATED BY THE
THERMOMETER IN THE HYDRAULIC RESERVOIR SIGHT
GAUGE. FAILURE TO DO SO COULD RESULT IN DAMAGE
TO THE INTERNAL SEALS IN THE PUMP.
Hydraulic System Filters
Clean hydraulic uid that has not been exposed to
excessive temperature or become contaminated
is essential to the performance of the system.
As pumps, cylinders and components wear, they
release tiny metal and rubber particles into the
hydraulic uid. These particles act as a grinding
compound as they ow through the system. Or-
dinary dirt and water are common hydraulic uid
contaminants. Any one of these will contribute to
premature failure of hydraulic components. Filters
on the low pressure and high pressure hydraulic
circuits remove these contaminates and increase
the life of the uid and hydraulic components.
Low Pressure lters
The low pressure lter is a cartridge type lter
on the top of the reservoir tank. All return uid
passes through the low pressure lter as it ows
back into the tank. The lter should be changed
at the same time the hydraulic uid is changed or
if it begins to restrict the return ow.
High Pressure Filter
A special ne micron cartridge type lter is located
on the hydraulic tree near the manifold in the high
pressure circuit between the accessory hydraulic
pump and the cylinders, motors and other hydrau-
lic components. The lter removes tiny particles
that could be released by the hydraulic pump.
The lter element is inside a special canister that
can withstand the operating pressure on the high
pressure side of the pump.
A color coded site glass on the top of the lter
housing indicates the condition of the lter ele-
ment and alerts the operator when the element is
dirty and requires changing. Green indicates the
lter element is in good condition, red indicates
Typical Low Pressure Filter
Typical High Pressure Filter
the lter element is becoming clogged and must
be changed. The element should also be changed
when the hydraulic oil is changed.
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