Worldwide Construction And Forestry Division 380GLC Operator's Manual page 234

Dig Function Drift Check
(empty bucket)
TX1109902 —UN—28JUN13
1— Arm Tip Position Above Ground
Empty bucket of material.
Extend arm cylinder, then retract about 50 mm (2 in.).
Extend bucket cylinder, then retract about 50 mm (2 in.).
Lower boom until arm tip position above ground (1) is 1 m (40 in.).
Stop engine.
Measure amount cylinders extend or retract in 5 minutes.
Measure distance from arm tip to ground.
Compare measurements to specifications.
Boom Cylinde—Bucket Empty—Drift . ..................................................................... 5 mm
Arm Cylinder—Bucket Empty—Drift..................................................................... 15 mm
Bucket Cylinder—Bucket Empty—Drift................................................................. 10 mm
Arm Tip-to-Ground—Drift.................................................................................... 110 mm
LOOK: Is cylinder drift within specification?
Miscellaneous—Operational Checkout
Machine Position—Empty Bucket
Dig Function Drift Specifications (empty bucket)—Specification
4-2-29
Continued on next page
YES: Go to next check.
0.20 in.
0.59 in.
0.39 in.
4.33 in.
NO: See your authorized
dealer.
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