Worldwide Construction And Forestry Division 380GLC Operator's Manual page 228

Hydraulic Oil Tank
Pressurization Check
TX1093766 —UN—28JUN13
1— Hydraulic Oil Tank Pressure Release Button
2— Hydraulic Oil Tank Cover
IMPORTANT: The pressurized oil tank creates pressure at the inlet to
Raise boom to full height, then lower boom to ground.
Slowly depress pressure release button (1) on hydraulic oil tank cover.
LISTEN: Is air heard escaping from the pressure release button on hydraulic oil tank
cover?
Control Lever Pattern
Check—Excavator
Pattern
TX1093767 —UN—28JUN13
1— Arm Out
2— Arm In
3— Swing Left
4— Swing Right
5— Boom Down
6— Boom Up
7— Bucket Load
8— Bucket Dump
Turn engine speed dial to L (slow idle) position.
Place pilot shutoff lever in unlocked (DOWN) position.
Slowly move hydraulic levers to all positions.
LOOK: Do bucket, boom, arm, and swing move according to pattern?
Miscellaneous—Operational Checkout
1
2
Hydraulic Oil Tank Cover
the hydraulic pumps. If tank cover does not seal, hydraulic
pumps could cavitate and be damaged.
1
3 4
2
Control Lever Pattern Check - Excavator Pattern
CAUTION: Prevent possible injury from unexpected machine movement.
Clear all persons from the area before operating machine.
4-2-23
5
7 8
6
Continued on next page
YES: Go to next check.
NO: Replace hydraulic oil
tank cover.
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YES: Go to next check.
NO: See Control Lever
Pattern Operation. (Section
2-3.)
NO: See your authorized
dealer.
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