S250 Bobcat Loader
OI-19 Operation & Maintenance Manual
HYDRAULIC CONTROLS (CONT’D)
Quick Couplers
Figure OI-30
To Connect: Remove dirt or debris from the surface of
both the male and female couplers, and from the outside
diameter of the male coupler. Visually check the couplers
for corroding, cracking, damage or excessive wear. If any
of these conditions exist, the coupler(s) [Figure OI-30]
must be replaced.
Install the male coupler into the female coupler. Full
connection is made when the ball release sleeve slides
forward on the female coupler.
To Disconnect: Hold the male coupler. Retract the sleeve
on the female coupler until the couplers disconnect.
Releasing Hydraulic Pressure (Loader and
Attachment)
Front Auxiliary Quick Couplers
When Connecting: Push the quick couplers tightly
together and hold for five seconds; the pressure is
automatically released as the couplers are installed.
When Disconnecting: Push the quick couplers tightly
together and hold for five seconds; then retract the sleeve
until the couplers disconnect.
Rear Auxiliary Quick Couplers
Figure OI-31
Press the AUXILIARY PRESSURE RELEASE Button
(Item 1) [Figure OI-31]. Hold it for two seconds after the
engine comes to a complete stop. The pressure will be
released.
WARNING
AVOID BURNS
Hydraulic fluid, tubes, fittings and quick couplers can
get hot when running machine and attachments.
Be careful when connecting and disconnecting quick
couplers.
W-2220-0396
P-31243
P-31242
B-15551
1
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