Housing Reassembly - Simplicity LTH series Service Manual

7 Transmission Repair
7B Eaton 750 / 751
Housing Reassembly (Eaton 750, 751)
1. Position the housing assembly on its side. Lubricate
and install the housing lip seal with the seal lip point-
ing outward from the housing. Press or drive the seal
into the counterbore. Turn the housing assembly over
and repeat the same procedure for the other brake
shaft seal.
NOTE: Make sure to press only on outer edge of housing
lip seal.
2. Lubricate and install O-ring in the groove located on
dump valve bracket.
3. Install the spring on the dump valve bracket with the
right angle bend of the spring pointing inward, as
shown.
4. Install the spring and dump valve bracket in the
transaxle housing.
5. The spring is properly assembled when the longest
leg points toward the check valve assembly.
6. Lubricate and install the O-ring around the bypass
valve nut.
7. Install the nut over the dump valve bracket, into the
housing assembly.
NOTE: Make sure you do not damage the bypass valve
O-ring during installation.
8. Using a 1" wrench, torque the bypass valve nut to
150 inch pounds.
Figure B–59. Install Housing Lip Seal
Figure B–60. Install Dump Valve Bracket Spring
Figure B–61. Bypass Spring Installation
Figure B–62. Install Bypass Valve Nut
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