Maintenance
48
8/4/11
Operation Manual - SP 305
Semiannual maintenance (every 6 months)
Change hydraulic oil for temperature reasons
Change hydraulic oil if you live in a geographical
location where the weather changes the temperature
range drastically. If you save the oil in clean barrels
and properly store the barrels, you can reinstall this oil
when the weather changes back. You can use the oil for
a maximum of 2 six month seasons. Contact your
hydraulic oil dealer to obtain clean barrels and the
proper storage procedures. Caution! If you ignore
proper storage procedures, the oil will become so
contaminated that reuse will become destructive to the
machine. If you don’t own a filter buggy for oil
transfer, consider buying one, or at least rent one for
the occasions when you change your hydraulic oil.
Checking the Accumulator
The accumulator on this unit does not store energy and
does not require charging. The accumulator function is
more to serve as a dampener than to store energy for
the purpose of shifting the valve as accumulators in a
twin circuit system do. The maximum pressure on the
accumulator for the SP 305 is 1500 PSI and should
function properly for years.
WARNING
EXPLOSION CAUSED BY
IMPROPER ACCUMULATOR
CHARGING CAN RESULT IN
DEATH OR SERIOUS INJURY!
* Follow the charging instructions exactly!
* Use ONLY dry nitrogen to charge the
accumulator!
* NEVER use oxygen or compressed air to
charge the accumulator!
explosion warning.eps
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