ENGINE DIAGNOSTIC TOOLS
Section 4
in turn, darkens during this process and thus gives the
measure of the soot content of the exhaust gases.
Refer to the appropriate engine section for operation and
maintenance instructions.
CRANKCASE PRESSURE ORIFICED
RESTRICTOR (SE-4039)
w/1103 cm [0.406 in.] ORIFICE
[ For 400 Series, and
9.0 Liter Diesel Engines.]
DESCRIPTION
The restrictor is used to measure combustion gas flow
out of the engine breather and is used with Pressure
Test Kit (SE-2239).
IMPORTANT
PRESSURE
READINGS
OBTAINED
WITH THIS RESTRICTOR MUST NOT
BE USED AS THE MAIN SOURCE OF
ENGINE
CONDITION.
OIL
CONSUMPTION TREND DATA MUST
ALSO BE USED IF THE PRESSURE
READINGS
ARE
BEYOND
THE
SPECIFIED
LIMITS.
NEITHER
CHANGES IN OIL CONSUMPTION
TRENDS
NOR
CRANKCASE
DIAGNOSTIC PRESSURES TRENDS
CAN
ESTABLISH
A
SPECIFIC
COMPONENT PROBLEM BUT ARE
ONLY
INDICATORS
THAT
SOME
PROBLEM EXISTS.
Figure 15. Orificed Restrictor Tool SE-4039
(For 400 Series, and 9.0 Liter Diesel Engines.)
CGES-240-4
Printed In United States of America
Page 21
