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8 - 31
Assembly (cont’d)
31
Dip the first friction plate
115
, in hydraulic oil. Then
install it, locating it with the grooves in cylinder block
104
. Install the first brake plate
116
, locating it with the
grooves in spindle
2
. Repeat for the second friction and
brake plates in order.
32
Lightly grease 'O' rings
135
and
139
and back-up rings
147 and
148
. Fit them to the grooves on the outside of
parking brake piston
112
.
Install the parking brake piston into spindle
2
, taking
care not to damage the 'O' rings and seals. If necessary,
tap the piston with a plastic hammer.
33
Coat two new 'O' rings
137
with grease and fit one to
each plug
126
.
34
Coat the spring surface of two valves
127
and both
ends of two springs
130
with grease. Assemble a spring
followed by a valve onto each plug
126
.
Install these assemblies into rear flange
101
. Take care
that the assembled parts do not separate from each
other whilst installing. If this happens the valves may not
seat properly with the rear flange, resulting in oil
leakage.
Section F
Transmission
9803/6020
Section F
8 - 31
Issue 1
Track Gearbox
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...