Komatsu ecot3 PC300LC-8 Shop Manual page 959

50 Disassembly and assembly
Removal and installation of
control valve assembly
Removal
k
Lower the work equipment to the ground
for safety and stop the engine. Unscrew the
oil filler cap on the hydraulic tank slowly to
release pressure inside the tank. Then
move the work equipment lock lever to the
LOCK position.
k
Disconnect the negative (–) terminal from
battery.
a Attach an identification tag to each piping to
avoid a mistake in the position of installation
later.
1. Open up engine hood and remove top control
valve cover (1).
2. Remove partition covers (3) and (4) provided
between the engine and control valve.
PC300, 350-8
3. Disconnect 4 boom hoses (5).
1
4. Remove boom tube mounting clamps (6) and (7).
5. Remove plate (8).
SEN02639-02
7