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© 2011 ICS | Blount, Inc. Specifications and pricing are subject to change without notice. P/N 550416 REV06012011
660GC SERVICE MANUAL
80
26
This section covers testing the
crankcase for leaks. A leak in
the crankcase can cause the
engine not to run.
26.1 Install the intake seal flange.
A Plug cylinder pulse tube.
26.2 Install the exhaust seal flange.
26.3 Block one of the flange tubes with
a rubber plug.
26.4 Install the pressure gauge and bulb.
26.5 Pressurize the crankcase to
7psi (0.5 bar).
26.6 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.
26. CRANKCASE LEAKS