Replace Bucket - Hitachi EX27U Operator's Manual

Replace Bucket

CAUTION: When driving the connecting pins in
or out, guard against injury from flying pieces of
metal or debris; wear goggles or safety glasses,
and safety equipment appropriate for the job.
1. Park the machine on a level surface. Lower the
bucket to the ground and position it with the flat sur-
face resting on the ground. Be sure the bucket will
not roll when the pins are removed.
2. Slide the O-rings out of the way as shown.
3. Remove bucket pins A and B to separate the arm
and bucket. Clean the pins and pin bores. Apply suf-
ficient grease to the pins and pin bores.
4. Align the arm and alternate bucket. Be sure the
bucket is stabilized and will not roll.
5. Install the bucket pins A and B.
6. Install the locking pins and snap ring on pins A and
B.
7. Adjust bucket linkage clearance for pin A. See ad-
justing bucket linkage clearance procedure.
8. Apply grease to pin joints A and B.
9. Start the engine and run it at slow idle. Slowly oper-
ate the bucket in both directions to check for any in-
terference in bucket movement. Do not attempt to
operate a machine, If any movement interference is
found. Correct interference problem.
MAINTENANCE
7-56
O-Ring Shift
Bucket Boss
A
Link
B
M104-07-063