92 - 8
Section E
Hydraulics
9803/6020
Section E
92 - 8
Issue 1
Slew Motor
10
Apply grease to the lip of the oil seal. Hold the end of
cylinder
16
by hand and carefully insert the cylinder
assembly into housing
21
. Use the seal protector on the
splines.
Note:
The splines of the cylinder assembly protrude beyond
the housing, so use a guide of 30-50 mm (1.2-1.9 in) on the
lower part of the housing. Verify that spring
17
is inserted
correctly into the back face of return plate
19
.
Confirm that the cylinder end is approximately 7.5 mm
(0.3in) lower than the housing.
11
Mount friction plate
4
and mating plate
5
.
Note:
Apply hydraulic oil to both faces before mounting the
plates.
12
Mount 'O'-ring
30
in housing
21
and 'O'-ring
6
on
piston
15
.
Note:
Grease the 'O'-rings before mounting.
13
Apply hydraulic oil to the sliding surface around piston
15
and slide it into housing
21
.
Note:
It is difficult to insert piston
15
into the housing due to
O'-rings
6
and
30
. Hold the piston
15
horizontally and push
it into the housing with one movement.
Motor Assembly/Cylinder Assembly
Assembly (cont’d)
289010
289020
289030
289040
16
21
5
4
21
6
15
30
21
15
21
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...