5 - 1
Air Bleeding Procedures
!!
WARNING
Hydraulic Pressure
Hydraulic fluid at system pressure can injure you. Before
disconnecting or connecting hydraulic hoses, stop the
engine and operate the controls to release pressure
trapped in the hoses. Make sure the engine cannot be
started while the hoses are open.
INT-3-1-11/1
Releasing Tank Pressure
!!
WARNING
DO NOT remove the hydraulic tank filler cap or cover
plate when the engine is running. The hydraulic system
is under pressure. You or others could be injured. First
stop the engine and then release the pressure.
8-3-4-4/1
!!
WARNING
The temperature of the hydraulic oil will be high soon
after stopping the engine. Wait until it cools down (less
than 40°C) before beginning maintenance.
8-3-4-10
1 Prepare the Machine
a Position the machine on level ground. Stop
the engine. Remove the starter key.
b Locate the hydraulic oil tank filler cap A
or filler plate.
c Remove the box nut of the breather B on top of the
hydraulic oil tank, press the projection and release
the pressure from the tank.
Section 3 Routine Maintenance
9803/6410
Section 3
5 - 1
Issue 1
Hydraulics
Air Bleeding Sequence
Air Bleeding
Air Bleeding Air Bleeding from slew Check
from pump from ram motor
Hydraulic oil or
pump replacement O O O O
Ram replacement O O
Slew motor
replacement O O
B
A
A
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