Buhler 535 - Manual (Page 105)

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Section 3 - Operation
Hydraulic Operation - Manual
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The second position (3) prevents the control lever
from entering the float position .
The final position (4) has two functions . It will lock the
lever into the neutral position to prevent accidental
actuation of the lever . If the lockout lever is moved to
this position while the control lever is in the retract
position, the control lever is limited to travel between
the float and retract positions . This position can be
used for continuous flow applications .
By limiting the travel of the remote control lever from
returning to the neutral position during continuous
flow applications, the lockout will protect the hydraulic
system from pressure spikes created by hydraulically
driven implements during implement shutdown .
IMPORTANT: When shutting off hydraulically driven
implements, place the remote lever in the float position
to allow the implement to coast to a stop. Shut the
tractor off and place the remote lever in the
neutral position.
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