![background image](http://html1.mh-extra.com/html/jcb/js70/js70_service-manual_3631821279.webp)
92 - 5
16
Remove the spring
17
from the cylinder
16
.
Section E
Hydraulics
9803/6020
Section E
92 - 5
Issue 1
Slew Motor
Motor Assembly/Cylinder Assembly
Dismantling (cont’d)
Motor Assembly/Cylinder Assembly
Assembly
Refer to the sectional drawing on page 83 - 1 as a guide to
dismantling and assembling.
Check all parts before assembly and remove any scratches
with a fine oil stone or carborundum paper. Wash with a
suitable solvent and blow dry.
Replace all seals with new ones.
Apply clean hydraulic oil to all sliding faces during assembly
1
Lap the sliding contact faces of piston assemblies
18
,
balance plate
21
and swash plate
6
with very fine paste
on a flat surface.
!
CAUTION
Cleaning
Cleaning metal parts with incorrect solvents can cause
corrosion. Use only recommended cleaning agents and
solvents.
INT-3-2-11
!
CAUTION
‘O’-rings, Seals and Gaskets
Badly fitted, damaged or rotted ‘O’-rings, seals and gaskets
can cause leakages and possible accidents. Renew
whenever disturbed unless otherwise instructed. Do not
use Trichloroethane or paint thinners near ‘O’-rings and
seals.
INT-3-2-12
288730
288920
17
16
18
Summary of Contents for JS70
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Page 99: ......
Page 189: ...Section E Section E Hydraulics 9803 6020 Issue 1 33 4 33 4 Control Valves Control Valve 291360...