New Holland CX720 Repair Manual page 2518

Pump Shaft - Install (C.20.F.20.18 - F.10.A.15)
1. Using an arbor press, install the new seal into the
cover, being careful not to damage the seal.
Inspect the sealing area on the shaft for rust, wear,
or contamination.
2. Prior to assembly, lubricate the O ring on the outside
diameter of the seal cover and the inside diameter of
the seal with petroleum jelly.
3. Wrap the spline or key end of the shaft with plastic
film to prevent damage to the sealing lip on the seal
during installation.
Assemble the seal cover and seal (1) over the shaft
(2), and into the seal cover cavity.
POWER TRAIN - TRANSMISSION Hydrostatic
2 4/7/2006
C.20.F / 66
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