20
EATON
Series 1 Heavy Duty Hydrostatic Fixed Displacement Motors Parts and Repair E-MOPI-TS002-E September 2004
Critical
Sealing
Area
Critical
Sealing
Area
Drift
Punch
30. Position the shaft/cylinder
barrel subassembly with the
shaft facing up. Carefully lift
out the output drive shaft
subassembly.
31. When bearing cone must be
replaced, use a press to
remove cone from
shaft subassembly.
Important:
When
removing or installing bearing
cone, do not damage shaft
sealing area (stepped area
between bearing journal and
output drive shaft splines).
This area is critical for sealing
the shaft seal.
31.a. You must use special stop
limit tool (refer to Special
Tools) when installing new
cone.
32. If bearing cup needs replacing,
carefully remove the cup using
a hammer and drift punch.
Units Having Face Seal
(xx31-xxx Part Number
Configuration)
Units Having Lip Seal
(xx33-xxx Part Number
Configuration)
Disassembly
33. Reposition cylinder
barrel/swashplate with the
swashplate on the bottom.
Using a 1/4-inch hex key,
remove the cap screws from
the retaining strap on one side
of the swashplate.
Loosen the cap screws on the
other retaining strap to make
it easier to remove cylinder
barrel from the swashplate.
34. Carefully reposition cylinder
barrel/swashplate with
swashplate facing up. Remove
the swashplate by lifting
slightly and sliding it over to
disengage from the retaining
strap.
35. Remove cap screws, retaining
strap, spacers and thrust plate
from swashplate.
36. Disassemble cylinder barrel
subassembly. Place it on a
clean protective surface for
inspection and cleaning.
