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.
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