Servo Filter Element - jcb JS300 Service Manual

Replace
1 Prepare the machine.
Maintenance, Maintenance Positions.
2 Release tank pressure. Refer to Section 2,
Maintenance, Hydraulic System.
3 Get access to the servo filter assembly.
Points ( T E-296)
4 Dismantle the filter as follows:
Fig 10.
a Using a wrench on the case, unscrew the filter
case A from the filter head B. Take care not to spill
the hydraulic oil it contains.
b Remove and discard the filter element C and O-
ring D.
5 Empty the hydraulic oil from the filter case. Clean the
filter case and the underside of the filter head.
6 Fit new filter components as follows:
a Coat the new O-ring D with hydraulic oil and
locate in the filter head B.
b Coat the seal area of the new filter element C and
install it in the filter case A.
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Servo Filter Element

Refer to Section 2,
K Service
9813/5100-1
Section E - Hydraulics
Routine Maintenance Procedures
c Screw the filter case A to the head B and torque
tighten with the wrench.
Table 2. Torque Settings
Item Nm
A 24.4 to 34.3
Note: When refitting the filter case, it is important that the
filter case is tightened carefully to avoid damaging the
threads in the filter head.
7 Start the engine and run it for five minutes without
load and then check the hydraulic oil level. Refer to
Section 2, Maintenance, Hydraulic System.
Servo Filter Element
kgf m lbf ft
2.5 to 3.5 18.07 to 25.5
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