Hydraulic Oil - jcb JS300 Service Manual

Replace
1 Prepare the machine.
Maintenance, Maintenance Positions.
2 Release tank pressure. Refer to Section 2,
Maintenance, Hydraulic System.
E
Fig 4.
3 Remove the hydraulic oil as follows:
a Remove cover A and O-ring B.
b Use a pump and discharge the hydraulic oil into
an empty container.
c Remove the drain plug C on the bottom of the tank
and drain the remaining hydraulic oil from the
tank.
E-299

Hydraulic Oil

Refer to Section 2,
A
B
D
C
9813/5100-1
Section E - Hydraulics
Routine Maintenance Procedures
Note: Have a drain pan ready.
4 Renew the suction strainer D and return filter E.
K Suction Strainer ( T E-303)
Filter ( T
E-301)).
5 Tighten the drain plug C securely.
6 Refill the tank with the specified hydraulic oil to the
specified level.
7 Seal the system. Install the O-ring B and filler port
cover A.
Note: If the O-ring is damaged, replace it with a new one.
8 Bleed air from the hydraulic components. Refer to
Section 1, General Procedures.
9 Start the engine and run it for five minutes without
load. Slowly operate the rams several times and then
check the hydraulic oil level. Refer to Section 2,
Maintenance, Hydraulic System.
Hydraulic Oil
K Return
E-299