Komatsu ecot3 PC300LC-8 Shop Manual page 955

50 Disassembly and assembly
5. Lift and remove center swivel joint assembly
(18).
4
Center swivel joint assembly: 40 kg
PC300, 350-8
Installation
[*1]
q Installation is done in the reverse order of
removal.
[*1]
a Install the center swivel joint assembly
(18) with ports (B) and (D) directed to the
front of the machine (in the direction of the
arrow).
(Part (19) in the following figure is the
sprocket.)
q Refilling with oil (hydraulic tank)
Refill hydraulic oil through the oil filler port to
the specified level. Let the oil circulate in the
hydraulic system by starting the engine. Then
check the oil level again.
Air bleeding
q
Bleed the air from the circuit between the valve
and the hydraulic cylinder. For details, see
Testing and adjusting, "Bleeding air from vari-
ous parts".
SEN02639-02
3