8 - 30
Section F
Transmission
9803/6020
Section F
8 - 30
Issue 1
Track Gearbox
Assembly (cont’d)
27
Transfer the cylinder block to a press bench (if available)
or to a vice. Use Special Tool I (see Service Tools,
Section 1) to compress the spring and two washers.
Install snap ring
145
into the cylinder block groove.
Release the press or vice and remove the cylinder block.
Note:
During this procedure, take great care not to damage
the contact surface of the cylinder block. Use a piece of
vinyl sheeting as shown
28
Fit the three parallel pins
151
into the holes in the
cylinder block.
Fit thrust ball
108
to the cylinder block
104
.
Insert the nine piston
105
/shoe
106
assemblies into
retainer plate
107
in the same relative position as when
they were removed from the cylinder block. Dip the
assembly into hydraulic oil.
29
Install the piston/retainer plate assembly in the cylinder
block, making sure each piston returns to its original
bore.
30
Install cylinder block
104
onto shaft
102
making sure the
splines engage. Check engagement by turning the
cylinder block each way. There should be no backlash.
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...
