Method For Removing Attachment - Komatsu H70051 Series Operation & Maintenance Manual

ATTACHMENTS AND OPTIONS
(When the 3-point switch)
The switch automatically returns to NEUTRAL position (N)
when releasing your hand from the switch.
Position (A): Decoupling
Pull the lock (a) in the direction shown by arrow (b) when
pressing the switch into this position.
Position (N): NEUTRAL
Position (B): Coupling
Pull the lock (a) in the direction shown by arrow (b) when push-
ing down the switch to this position.
QUICK COUPLER LOCK RELEASE PILOT LAMP
Quick coupler lock release pilot lamp lights up when the quick
coupler attachment switch is in the position of decoupling.
If this lamp is lit in other time than the decoupling operation of
quick coupler, there is a trouble in quick coupler solenoid ac-
tuating circuit. Move the machine immediately to a safe place,
stop the engine, then perform the inspection.
(When the 2-point switch)
In order to release the quick coupler, operate the multifunction
mono-lever to TILT side while the quick coupler attachment
switch is in the decoupling position.
(When the 3-point switch)
In order to release the quick coupler, operate the quick coupler attachment switch to the decoupling position.

METHOD FOR REMOVING ATTACHMENT

(When the 2-point switch)
Do not perform the decoupling operation of the quick coupler while the work equipment is being dump-
ed. The attachment will come off and fall, and it may lead to a serious personal injury or death.
1.
Tilt the attachment.
HANDLE HYDRAULIC TYPE QUICK COUPLER
k k
WARNING
g0038100
6-15