Service Manual

781 Series Hydrostatic Transaxle
9 Divide the transaxle halves by removing
only one E-ring retaining the conical spring
on each end of the center brake push rod,
then remove four 1/2 inch hex. nuts, the
lock washers and bolts. Pull the two halves
apart carefully, the push rod is the only
adjoining link. Remove the two conical
springs. Safely store these small parts for
final assembly after servicing each
transaxle half. Each half has a flange
attached with eight .25 Torx But. Head
screws. These screws have been secured
with Loctite ( torque ref.- 125 f12.5 Ib-in
[14 +1,4 Nm]), flange removal is not recom-
mended. Service each half separately as
outlined in the following text.
10 Using a 3/8 inch socket or end wrench,
remove the cap screws from
filter base.
port plate.
11 Remove gasket.
Note: This gasket may be on the part just
removed or on the housing assembly.
valve cover and internal filter.
Plugs and
Fittings
Adapter,718-14O-ring Port
Seal, Square Cut
Port Plate
(Horizontal
Mount)
Hex.
Valve Cover
(Vertical Mount)
Flange Screw
(Q
Filter (Internal)
asket
Hex. Flange Screw
(Qty. 5)
Port Plate
(for Remote Filter)
Hex. Flange Screw
“U” Filter
Base
Spin -on Filter Cartridge
3