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Miscellaneous—Operational Checkout
Continued on next page KR46761,0001414 -19-01AUG18-35/50
Dig Function Drift
Check—Forestry
Excavator Only
TX1095487 —UN—28JUN13
Dig Function Drift Check—Forestry Excavator
Fill the bucket with dirt to specication, if applicable.
Specication
Loaded Bucket—Weight (approximate).............................................................. 1500 kg
3307 lb
Position attachment at maximum reach with attachment pivot pin at same height
as boom pivot pin.
Retract arm cylinder, then extend approximately 50 mm (2 in).
Extend attachment cylinder, then retract approximately 50 mm (2 in).
Measure distance from bottom of attachment to ground.
Stop engine.
Measure amount cylinders extend or retract in 5 minutes.
Compare measurements to specications.
Dig Function Drift—Specication
Boom Cylinder—Drift............................................................................................20 mm
0.79 in
Arm Cylinder—Drift............................................................................................... 30 mm
1.18 in
Attachment Cylinder (if applica-
ble)—Drift.............................................................................................................. 20 mm
0.79 in
Bottom of Attachment-to-Ground—Drift.............................................................. 150 mm
5.91 in
YES: Go to next check.
LOOK: Is cylinder drift within specication? NO: See an authorized
Hitachi dealer.
4-2-30
112321
PN=310
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