Komatsu PC118MR-8, Operation And Maintenance Manual

Page: 158 / 418

INSTRUMENTS AND CONTROLS
FUNCTIONING
3-74
(7) Boom swing control pedal
WARNING
q
When the boom is swung to the left with retracted work equipment, if the bucket is wider than a
standard bucket it may come into contact with the cab.
q
Always check the distance between the bucket and the cab and work manoeuvring the equipment with
care.
This pedal controls the boom swing to the right and to the left,
according to the movements indicated below.
(a) Swing to the right
(b) Swing to the left
N (Neutral): The boom stays in stop position.
NOTICE
q
When the safety lever is in the LOCK position (L), all
the movements are inhibited (see "Safety device
control lever (3-70)").
q
The boom swing is useful to displace the digging line
beyond the track outline; do not use this function
during the work cycle.
(8) Two-piece boom control pedal (if installed)
It controls the extension and folding of the two-piece boom
according to the movements indicated.
(a) Boom folding
(b) Boom extension
N (Neutral): The boom stays in stop position.
NOTICE
When the safety lever is in the LOCK position (L), all the
movements are inhibited (see "Safety device control lever
(3-70)").
WEAM014802