Check Bucket Teeth - Hitachi EX 3600-6 Operator's Manual

Check Bucket Teeth --- every 10 hours
1. Check bucket teeth for wear and looseness
Replace teeth if tooth wear exceeds the designated
service limit shown below.
Dimension A in mm (ft, in.)
Loading Shovel Bucket
Backhoe Bucket
If point (1) is worn excessively, making a hole, new
point (1) cannot be installed on worn nose (2).
NOTE: Check the bucket teeth periodically so that
wear does not exceed the designed service
limit.
Alternate buckets may use different tooth as-
semblies.
2. Replacing procedure
WARNING: Guard against injury from flying
pieces of metal. Wear goggles or safety glasses.
1. Install point (1) and locking pin (3).
The side of the locking pin marked "up →" must be
installed upward as shown in the figure.
2. Use a 7 to 10 kg (15 to 22 lb) hammer and drive out
wedge (4).
3. Drive the wedge so that the difference between the
top of wedge and the surface of the point is less than
50 mm (2 in).
4. Cut the lower end the wedge longer than the surface
of the point by gas.
MAINTENANCE
New Limit of Use
520 290
(1' 8") (11")
470 260
(1' 7") (10")
RIGHT
1
Point 1
Less than 50 mm (2 in)
Lower-end of Wedge
7-119
2
4
Wedge
3
Locking Pin
Top of Wedge
Gas cutting part
WRONG
M117-07-153
M115-07-094
M115-07-136
M115-07-097