ABI Attachments TR3E Setup Manual page 5

Next, adjust the top link to level out the tool.
Turn the top link to contract or extend the
linkage until the upright towers of the level-
ing bar are vertical.
Hydraulic Finish Rake
First attach the hydrualic hoses to your tractor. One hose will be equipped
with the speed control valve. It is importmant that the speed control valve
is attached to the outward flow port on the tractor. Be sure the valve is
open completely to allow the lines and cylinder to fill completely with
hydraulic fluid. Once the lines and cylinder have filled, then adjust the
valve to the desired speed. Finally, check the tractor hydraulic fluid to
confirm it is still at a safe level.
Opening or closing the speed control valve will determine how fast the
rake pivots up or down with the hydraulics are engaged. This is critical if
you tractor is equipped with a push button hydraulic system. The more
closed the speed control valve is, the slower the rake will pivot. Likewise,
the more open the speed control valve is, the faster the finish rake will
pivot.
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