Hitachi EX20UR-2 Manual page 70

W562-02-04-002
3. Place a 50 liter (13.2 US gal) container under hy-
draulic oil tank (2).
Loosen drain plug (2) to drain hydraulic oil into the
container.
17 mm
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Remove Control Valve (EX3OUR-2, EX4OUR-2)
1. Loosen screws (1) to remove cover (2) from the
hydraulic oil tank.
Loosen cap (3) to the stop to release air pressure
from the hydraulic oil tank.
...11111C1
2. Loosen floor cover mounting bolts (1).
Raise floor cover (2) to disconnect the wiring for
travel speed high/low switch (3).
Remove floor cover (2).
ommit o : 17 mm
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4. Disconnect all hoses from the control valve.
Remove the cutter pin from travel and blade
spools.
*miNC#:
19 mm, 22 mm, 27 mm
W562.02-04-003
UPPERSTRUCTURE / Control Valve
W02-04-05