Convert Bucket Connection Into Face Shovel - Hitachi 120-3 class Operator's Manual

3

Convert Bucket Connection Into Face Shovel

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 to the job.
IMPORTANT: Provide ample space for turning the bucket
180°. Before starting converting work, keep
bystanders clear of the machine. When using
a signal person, coordinate hand signals
before starting.
1. Park the machine on a level surface. Lower the bucket to
the ground and position it with the flat surface 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 sufficient
grease to the pins and pin bores.
4. Turn the bucket 180°. Be sure the bucket will not roll.
5. Align the arm and bucket. Install bucket pins A and B,
then install the locking pins and snap rings on pins A and
B.
6. Apply grease to pin joints A and B.
7. Start the engine and run at slow idle. Slowly operate the
bucket in both directions and check for any interference
in bucket movement. Do not operate a machine that has
any movement interference. Correct interference prob-
lem.
MAINTENANCE
Bucket Boss
7-73
O-Ring Shift
A
Link
B
Link
B
A
M104-07-064