Handling Arm With Built-In Breaker; Removing And Installing Chisel - Komatsu PC18MR-3 Operation & Maintenance Manual

HANDLING ARM WITH BUILT-IN BREAKER

HANDLING ARM WITH BUILT-IN BREAKER
(A) When a chisel is installed
(1) Breaker
(2) Chisel Lock Pin
(3) Chisel
(4) Arm Link
(5) Bucket Coupler
The breaker arm is used for breaker operations after the bucket is removed.

REMOVING AND INSTALLING CHISEL

Install stopper pin (1) without fail. If it is not installed, chisel lock pin (2)
can slip off, causing the chisel to come off during the operation.
If the chisel notch faces in the wrong direction, the chisel cannot be
locked when it is installed.
If stopper pin (1) is not securely installed, there is a possibility that the
chisel drops off of its own weight.
When installing and removing the chisel, hold if firmly with hands.
Moreover, do not put the foot under the chisel.
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WARNING
(B) When a bucket is installed
(1) Breaker
(2) Chisel Lock Pin
(3) Dummy Chisel
(4) Arm Link
(5) Bucket
ATTACHMENTS AND OPTIONS