S250 Bobcat Loader
PM-13 Operation & Maintenance Manual
BOBCAT INTERLOCK CONTROL SYSTEM (BICS)
Inspecting The BICS Controller (Engine Stopped -
Key ON)
Figure PM-16
1. Sit in operator’s seat. Turn key ON. (Standard Panel),
press RUN/ENTER Button (Deluxe Panel), lower seat
bar and disengage parking brake. Press the PRESS
TO OPERATE LOADER Button. Three BICS lights
(Items 1, 2 & 3) [PRESS TO OPERATE LOADER,
SEAT BAR, AND LIFT & TILT VALVE] on left
instrument panel should be ON [Figure PM-16].
2. Raise seat bar fully. All four BICS lights (Items 1, 2, 3,
and 4) [PRESS TO OPERATE LOADER, SEAT BAR,
LIFT & TILT VALVE AND TRACTION*] on left
instrument panel should be OFF [Figure PM-16].
NOTE: Record what lights are blinking (if any) and
the number of light flashes. (See BICS™
SYSTEM on Page PM-3).
Inspecting Deactivation Of The Auxiliary Hydraulics
System (Engine STOPPED - Key ON)
3. Sit in operator’s seat, lower seat bar, and press the
PRESS TO OPERATE LOADER Button. Press the
auxiliary hydraulics FLOW Button. The auxiliary
FLOW Button light will come ON. Raise the seat bar.
The light should be OFF.
Inspecting The Seat Bar Sensor (Engine RUNNING)
4. Sit in operator’s seat, lower seat bar, engage parking
brake and fasten seat belt.
5. Start engine and operate at low idle. Press the
PRESS TO OPERATE LOADER Button. While raising
the lift arms, raise the seat bar fully. The lift arms
should stop. Repeat using the tilt function.
Inspecting The Traction Lock (Engine RUNNING)
6. Fasten seat belt, disengage parking brake, press the
PRESS TO OPERATE LOADER Button and raise
seat bar fully. Move steering levers slowly forward
and backward. The TRACTION lock should be
engaged. Lower the seat bar. Press the PRESS TO
OPERATE LOADER Button.
7. Engage parking brake and move steering levers
slowly forward and backward. The TRACTION lock
should be engaged.
NOTE: *The TRACTION light on the left instrument
panel will remain OFF until the engine is
started, the PRESS TO OPERATE LOADER
Button is pressed and the parking brake is
disengaged.
Inspecting The Lift Arm By-Pass Control
8. Raise the lift arms 2 meters off the ground. Stop
engine. Turn lift arm by-pass control knob clockwise
1/4 turn. Pull up and hold lift arm by-pass control knob
until lift arms slowly lower.
Inspecting Deactivation Of Lift And Tilt Functions
(ACS and SJC)
9. Sit in operator’s seat and fasten seat belt. Lower seat
bar, start engine and press the PRESS TO OPERATE
LOADER Button.
10. Raise lift arms about 2 meters off the ground.
11. Turn key OFF (Standard Panel), press STOP Button
(Deluxe Panel), and wait for the engine to come to a
complete stop.
12. Turn key ON (Standard Panel), press RUN/ENTER
Button (Deluxe Panel). Press the PRESS TO
OPERATE LOADER Button, move hand control or
joystick to lower the lift arms. Lift arms should not
lower.
13. Move the control (foot pedal, hand control or joystick)
to tilt the bucket (or attachment) forward. The bucket
(or attachment) should not
tilt forward.
WARNING
AVOID INJURY OR DEATH
The Bobcat Interlock Control System (BICS™) must
deactivate the lift, tilt and traction drive functions. If it
does not, contact your dealer for service. DO NOT
modify the system.
W-2151-0394
N-18409
B-15551G
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