Service and maintenance
202
Replacing bucket teeth
Bucket, adjustment of bucket clearance
1 Park the machine on a level, firm surface and lower the bucket
(A) to the ground.
2 Slide code rings (G) out of the way.
3 Slowly operate the slew control lever until the right arm boss
and bucket boss are in full face to face contact (no gap).
4 Engage the safety control lever to prevent the digging unit
moving and stop the engine.
5 Measure clearance (D) between bushing (B) and bucket
bracket (I).
6 Loosen screws (H) and ADD or REMOVE shims to obtain the
correct clearance. (Use the same quantity of split shims on
each half.)
7 After the shim adjustment, tighten screws (H) to specified
torque, 27 kgf.m (195 lbf.ft)
8 Check clearance (D), adjust if required.
9 Slide code rings (G) back into position.
NOTE:
Original shim quantity (E) is 12 (= 6 x 2).
NOTE:
Keep removed shims in the tool box as spares. Adjust clear-
ance (D) each time a bucket is installed on the machine.
NOTE:
If the specified clearance can not be achieved after removing
all shims, change bushing (B) with new one.
NOTE:
Bucket clearance standard (D) = 0.5
-
2.0 mm (0.02 - 0.08 in)
NOTE:
Lubricate bushing (B) outer diameter with an anti-seize com-
pound or grease.
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