Komatsu Utility Avance WB91R-2, Operation & Maintenance Manual

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89
INSTRUMENTS AND CONTROLS
11 - DIFFERENTIAL LOCKING PUSH BUTTON
12 - 4 IN1 BUCKET OPENING PUSH BUTTON
13 - 4 IN1 BUCKET FOLDING PUSH BUTTON
RWA03310
11
IMPORTANT
☞
•
The locking of the differential is possible only with the 1
st
,
2
nd
or 3
rd
gear engaged, either forward and reverse. The
connection in 4
th
gear has been inhibited.
•
Before locking the differential, lower the speed as much
as possible, in order to reduce the impact loads on the ax-
le.
The locking of the differential must be used only when it is nec-
essary to engage the rear driving wheels, in case of skidding or
if the machine is stuck in sand or mud.
The locking of the differential is obtained by simply pressing the
button (11) and only with the gears engaged (1
st
, 2
nd
or 3
rd
).
The locking is automatically disconnected when the wheels re-
turn to two-wheel drive.
RWA03320
12
On the machines provided with the 4in1 bucket, the distributor
for the opening of the bucket is controlled through the push but-
ton (12) positioned on the loader control lever.
Press the button to open the bucket; when the button is re-
leased, the bucket movement stops.
RWA03330
13
On the machines provided with the 4in1 bucket, the distributor
for the folding of the bucket is controlled through the push button
(13) positioned on the loader control lever.
Press the button to fold the bucket; when the button is released,
the bucket movement stops.