Komatsu HB365LC-3 Operation & Maintenance Manual page 247

OPERATION
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Proportional control neutral is detected
Do not touch the proportional control slide switch on the
left side (D) or right side (E) when turning the starting
switch (2) key to ON position (B). If it is touched, "neutral
detection system" recognizes the "NEUTRAL" at wrong
position, and it will result in the unexpected movement of
the attachment.
Perform the check before starting the engine according to the
following procedure.
1.
Check that the battery disconnect switch (S) is in ON posi-
tion (I).
2.
Check that the lock lever (1) is at LOCK position (L).
3.
Check that all the control levers and control pedals are at
NEUTRAL position.
If all the control levers and control pedals are released,
they return to NEUTRAL position.
4.
Insert the key into starting switch (2) and turn it to ON posi-
tion (B).
At this time, do not touch the proportional control slide
switch on the left side (D) or right side (E). If it is touched,
"neutral detection system" recognizes the "NEUTRAL" at
wrong position, and it will result in the unexpected move-
ment of the attachment.
CAUTION
MACHINE OPERATIONS AND CONTROLS
3-175