680ES SERVICE MANUAL
27. CRANKCASE LEAKS
27.1
Install the intake seal flange.
A. Plug cylinder pulse tube.
27.2
Install the exhaust seal flange.
27.3
Block one of the flange tubes with a
rubber plug.
27.4
Install the pressure gauge and bulb.
27.5
Pressurize the crankcase to 7psi (0.5
bar).
27.6
If the pressure does not remain the
same, use soapy water to find the leak.
NOTE: It is recommended that this test
be performed after an engine rebuild.
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© 2020 ICS- Blount Inc Specifications and pricing are subject to change without notice. P/N 598000 REV01162020