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19
HYDRAULIC SYSTEM
The hydraulic system should be filled with premium grade
ISO 46 (universal) fluid. The oil should be good for at least
two years unless one of the following problems occur:
1. If the reservoir is
contaminated with excessive water
or dirt
. Hydraulic fluid can hold more than 20% water in
solution. Usually at these high levels, the fluid will appear
milky. A quick test for water at lower concentrations may
be performed outside with a hot (>300°F) sheet of steel.
With the sheet heated, drop a small amount of hydraulic
fluid in the center of the sheet. If it sputters there is a
significant amount of water in the fluid and the fluid should
be replaced.
2. If the oil has been
overheated
[above 190° F (87°C)].
The oil will have a foul odor. Do not use oil that has been
overheated. The lubricating properties have been destroyed
and acids and varnish have been created by oxidation.
3. If a
pump or motor has had a catastrophic failure
resulting in metal fragments and particles entering the
fluid. These particles may cause the replacement
components to fail before the filter cleans up the system.
The filter in a hydraulic system does not filter out 100%
of all particles as the fluid passes through it.
After any of the above have occurred, the entire system
should be drained, cleaned, and filled with new fluid. A new
filter should always be installed after any maintenance to the
hydraulic system.
FITTINGS AND HOSES
All hoses and fittings are rated for 3000 psi or greater. All
replacement fittings and hoses must meet or exceed this
specification.
All components use either an O-ring boss or 37° flare
hydraulic fittings. Do not use pipe-threaded hoses or fittings
for replacements. Do not use Teflon tape or pipe thread
compound. These are not helpful and may cause damage to
the system.
Operation
Hydraulic flow is required to operate the Turf Tender
functions. When the engagement handle is compressed to the
handle, the oil is directed to whatever motor (conveyor,
spinners, or movement) is set in the activation mode.
Hydraulic Schematics
NOTE:
Hydraulic schematics are available upon
request.
MAINTENANCE