Miscellaneous; Check And Replace Bucket Teeth - Hitachi ZAXIS 120-6 class Operator's Manual

I. Miscellaneous

Check and Replace Bucket Teeth

--- daily
Check bucket teeth (1) for wear and looseness.
Replace teeth (1) if tooth wear exceeds the designated service
limit shown below.
Model
ZX120-6, 160-6 class
ZX200-6 class
ZX240-6, 300-6 class
ZX330-6 class
Replace
d
CAUTION:
 Guard against injury from flying pieces of metal.
 Wear goggles or safety glasses, and safety
equipment appropriate to the job.
1. Use hammer (2) and drift (3) to drive out lock pin (5).
Take care not to damage lock rubber (4).
2. Check lock pin (5) and lock rubber (4). Short lock pins (5)
and damaged lock rubber (4) must be replaced with new
ones.
MAINTENANCE
A (mm
New Limit of Use
166 85
200 95
230 110
230 115
RIGHT
M104-07-118
4
Crack on the rubber.
The steel ball may
come out.
7-112
1 4 5
A
M104-07-056
2
3
M104-07-116
WRONG
5
Flush one end of the locking
pin to evaluate. In this instance,
the locking pin is too short.
M104-07-058
WRONG
The steel ball dents
when pushing the
ball.
M104-07-059