Miscellaneous; Check Bucket Teeth - Hitachi ZAXIS 70 Operator's Manual

I. MISCELLANEOUS
Check Bucket Teeth --- daily
Check the bucket teeth for wear and looseness
Replace teeth (1) if tooth wear exceeds the designated
service limit shown below.
Dimension A in mm (in)
New
156 (6.1 in)
Replacing procedure
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 locking pin
(5). Be careful not to damage rubber pin lock (4)
while removing locking pin (5).
2. Remove tooth (1). Inspect locking pin (5) and rubber
pin lock (4) for damage, replace if necessary. Short
locking pins and damaged rubber pin locks must be
replaced with new ones.
MAINTENANCE
Limit of Use
80 (3.1 in)
7-63
1 4
RIGHT
WRONG
4
5
M104-07-056
M104-07-116
WRONG
Flush one end of the locking pin
to evaluate. In this instance, the
locking pin is too short.
M104-07-118
M104-07-058
WRONG
M104-07-059
2
3
5