Komatsu PW98MR-10 Operation & Maintenance Manual page 175

OPERATION
This mechanical device is positioned on the left side of the ped-
al and has following positions.
(A)
For travel on roads (lever pressed forward) This position allows
the brake pedal to move freely and must always be selected for
travelling on roads. To move back to position (B), press the
lower part of the lever.
(B)
For operating on work site (lever lifted, with possibility of en-
gaging in the working brake position) In this position the pedal
can be used as travelling brake if pressed at the same time as
the lever, or as working brake if pressed individually until reach-
ing the connection position (C).
(C)
Working brake position. Apply the working brake to block the
machine when working with digging equipment. To release the
working brake, press the upper part of the mechanical lever
with the toes.
2-PIECE BOOM CONTROL PEDAL
The 2-piece boom control pedal is situated at the left of travel levers.
It controls the extension and folding of the 2-piece boom ac-
cording to the movements indicated.
(a)
Boom folding
(b)
Boom extension
(N)
Boom at rest
SWING LOCK COVER
When you do not swing the boom, lock the swing operation with the swing lock cover.
If it is not locked and the control pedal is touched by mistake, this may cause a serious injury or death.
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WARNING
WENAM00061
EXPLANATION OF COMPONENTS
3-107