5 - 7
Section 3
Routine Maintenance
9803/6020
Section 3
5 -7
Issue 1
Hydraulics (continued)
Changing the Air Breather Element
1
Prepare the Machine
Position the machine on level ground. Stop the
engine. Remove the starter key.
2
Release Tank Pressure
(See
Releasing Tank Pressure
.)
3
Locate the Air Breather W
Refer to
Component Location Diagrams
.
4
Replace the Air Breather Element
a
Remove cover
F
, hexagonal nut
A
, seal washer
B
and cover
C
.
Note:
The cover
C
can only fit in one of two positions
because of the slot
G
in the cover which locates over a
similar shaped protrusion on the mounting stud.
b
Remove old filter element
D
together with sponge
packing
E
.
c
Install a new filter element
D
followed by new
sponge packing
E
.
5
Refit Filter Cover C
Rotate the cover so that it fits over the stud. Then, in
order, install seal washer
B
, hexagonal nut
A
and
cover
F
.
Draining Tank Impurities
1
Prepare the Machine
Position the machine on level ground. Stop the
engine. Remove the starter key.
2
Release Tank Pressure
(See
Releasing Tank Pressure
.)
3
Remove plate
X
and o-ring
Y
.
4
Draining the Water and Sediment
Loosen drain plug
Z
on the bottom of the tank and
drain the sediment and water accumulated. The task
is complete when clean hydraulic fluid flows out.
Tighten drain plug
Z
.
5
Top up the Hydraulic Oil Tank.
(See
Topping-up Fluid Level
) and refit plate
X
and o-
ring
Y
.
JS03660
F
B
A
G
C
E
D
W
JS08460
X
6720-1
Z
Y
Summary of Contents for JS70
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Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...
