Komatsu PC400LC-5 Operation & Maintenance Manual page 181

24.2.6 REPLACE BUCKET TEETH (VERTICAL PIN TYPE)
Replace the point before the adapter starts to wear.
AL WARNING
It
is dangerous if the work equipment moves by mistake when
the teeth are being replaced. Set the work equipment in a stable
condition, then stop the engine and apply the locks securely to
ttie levers.
Free
AE096630
Place a block under the bucket bottom to allow the pin of tooth
0 to be knocked out with a hammer. Carry out full stroke
operation of the control levers within 15 seconds after stopping
the engine. After confirming that the work equipment is in a
stable condition, lock the safety lock lever.
Set so that the bottom face of the bucket is horizontal.
Use a hammer and drift to knock out lock pin @ (If the drift is
set against rubber pin lock @ when it is hit, the rubber pin lock
may break. Set it against the back of the pin.)
After removing lock pin @ and rubber pin lock 0, check them.
AE083190
If lock pins and rubber pin locks with the following defects are
used,
the point may come off the bucket. Replace them with new ones.
The lock pin is too short
I/3 of A
A
o
The lock pin is too short.
_.
*
.._
Align with bottom face
AE083200
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