New Holland CX720 Repair Manual page 1707

4. Using fingers push the inner section of seal forward.
5. Position seal
(NA-CNH297637)
NOTE: The installation tool must be used to install the seal.
Failure to use the tool will result in incorrect positioning of
the seal and consequential leakage after a few hours of
operation.
6. Locate tool onto end of crankshaft.
POWER PRODUCTION - ENGINE
on installation tool 297637/1
2 4/7/2006
B.10.A / 161
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