Hitachi Zaxis 850LC-3 Operator's Manual page 290

(d) Insert locking pin (3) between the tooth point and
adapter nose with beveled end (7) down and concav-
ity (6) facing towards plug (5).
Use a hammer to drive in locking pin (3) fully with its
top flush with adapter (2) surface. (In this position,
concavity (6) on locking pin (3) is engaged with plug
(5) in the adapter nose.)
3. Precautions for removal and installation of the plug:
(a) The plug rubber part can be easily eroded by oil or
grease. Keep away oil or grease from the plug when
installing the plug.
(b) The rubber part can also be easily damaged by heat.
For welded type adapter nose, remove the plug from
the nose before welding it to the bucket. Install the
plug into the nose after it has cooled.
MAINTENANCE
7-78
3
3
3
M113-07-081
6
7
M142-07-107
2
M116-07-128