Service Manual

on the housing assembly.
119
Install the axle housing flange screws and
torque to 125 Ib-in [14Nm].
Motor RotorlBall
(S/A)
with Rubber
Band
Ball Retainer
Remove Rubber Band Ball Retainer
just before ball pistons enter race groove
I
Transaxle with Charge Pump and Spin-
on
Filter
124
Lubricate the filter seal, install filter,
hand tight
(3/4
to 1 full turn after gasket/
base contact).
125
Fill transaxle with an approved hydraulic
fluid
(
781 Series-both halves must be filled
separately). The transaxle is now ready for
test and installation.
Fluid Recommendations
Premium hydraulic oil having a viscosity
equivalent to SAE 2Ow-20, SAE
30
or SAE
40.
The fluid should be chemically stable, incor-
porating rust and oxidation inhibitors.
A reputable supplier can help you make the
best selection of hydraulic fluid for use in your
Eaton transaxle.
Note:
If the natural color of the fluid has
become black or milky, it is possible that an
overheating or water contamination problem
exists.
120
Reposition the transaxle and install the
gasket and (one of the following)
filter base.
internal filter and valve cover (position metal
side of filter toward housing and gasket).
...port
plate.
121
Aligning the screw holes, install
5
flange
screws.
122
Cross torque screws to 125 Ib-in [14mm].
Transaxle Parts Lists
Hydrostatic Transaxle Series 751
No.
6-425
781 Series Transaxle
123
After servicing both transaxle halves,
the two halves, center push rod, conical
springs (2), bolts, washers and nuts (4
each
)
can be installed. Torque the bolt
and nut to 16±1.6 Ib-ft [22±2 Nm]. Re-
place E-ring retaining the conical spring
at each end of center push rod.
Hydrostatic Transaxle Series 851 No. 6-426
Hydrostatic Transaxle Series 771-A
No.
6-427
Hydrostatic Transaxle Series 771-B
No.
6-428
Hydrostatic Transaxle Series 781 No. 6-429