Buhler 535 - Manual (Page 106)

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Hydraulic Flow Controls - Manual
Hydraulic flow to the remote valves  to 4 is controlled
by four rotary knob style flow controls (8) . Each
knob can be rotated clockwise to increase flow and
counterclockwise to decrease flow .
The knobs are color coded for identification with the
remote valve it controls .
By pushing the button in the center of the knob (9)
the control knob can be pulled upward or pushed
downward to change the coarse flow control setting .
Each valve spool has a flow control valve to meter oil
flow to that coupler . Flow can range from a minimum
of  .4 L/min (3 GPM) to full available flow 4L/min
(approximately 28 GPM) .
NOTE: For tractors equipped with six remote valves,
flow to remote valves 5 & 6 (the top two sections), are
controlled by rotating by hand, the valve flow control
links on the rear of the remote valve manifold (10),
clockwise to decrease flow and counterclockwise to
increase flow.
10
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8
9
Section 3 - Operation
Hydraulic Operation - Manual