Komatsu WA800-1 Operation & Maintenance Manual page 37

REMOVAL AND INSTALLATION OF BUCKET
a
a-0
3. Fill the space between oil seal (2)
and dust seal (3) with grease.
4.
5.
Grease
Coat the tip of the outer circum-
ference of the lift arm bushing
with grease.
Insert flange (1) in lift arm. Do not
tap with a hammer.
Be sure to insert by hand.
*
6
7.
*
After inserting, rotate flange 1 to
2 times with the hand until the
flange settles in with the seal.
Insert the flange until there is no
clearance between the inner face
of the flange and the edge face
of the bushing.
/
Bushing
Assemble mounting side of the
flange the same way.
Assemble lift arm to bucket and
insert hinge pin.
When attaching bucket to lift
arm, do not hit flange (I) with
the bucket. If the bucket hits the
flange, the oil seal (2) and dust
seal (3) will be damaged.
*
8.
*
When inserting pin, do not
damage O-ring, and coat with
engine oil or grease.
Adjust number of shims so there
is less than 0.2 mm clearance
between flange (I) and bucket
hinge plate, then install the
mounting bolts of flange.
Shim
G
/
Bucket
When selecting the shim, mea-
sure the clearance for each
separable shim mount at the top
and bottom, and assemble the
optimum shim at each location.
Be careful that the flange is not
at an angle.
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