Hitachi ZAXIS 135US-5B Operator's Manual page 362

Check Bucket Teeth for Super V Type Bucket Teeth
(ZX225US-5B, 225USLC-5B)
--- daily
Check bucket teeth (1) for wear and looseness.
When tooth points (1) wear beyond the service limit, replace
them.
0.8 m Reinforced
3
A Hoe Bucket with
(mm) Super V type
Bucket Teeth
f
NOTE: When tooth point (1) is used in excess of the service
limit, a hole will be made on the tooth point, which makes the
nose exposed and worn out, and will eventually break or let
the tooth point fall off.
d
CAUTION: Guard against injury from flying pieces
of metal. Wear goggles or safety glasses, and safety
equipment appropriate to the job.
Procedures:
Removing the tooth point
1. Preparations for removing tooth point
Hit the left and right top ends and the left and right lugs
of tooth point (1) alternately with hammer to knock off
pebbles, soil, etc., stuck in the gap between tooth point
(1) and adapter (2).
MAINTENANCE
Parts No. New Limit of Use
4400250 232
1
99
2
7-88
2
M116-07-124
1
M116-07-125