Remove the test equipment.
Exhaust Restriction (3-05)
Checking
NOTE: The gauge adapter must be installed at a 90 degree
angle to the air flow in a straight section of pipe, 127 mm [5
inch], from the turbocharger turbine outlet.
Operate the engine full thorttle and at maximum horse-
power RPM with maximum load, and record the manom-
eter reading.
NOTE: Exhaust pressure must not exceed 75 mm Hg [3.0
inches Hg.]
If exhaust pressure exceeds the specifications, visually
inspect the exhaust piping, muffler and rain cap for dam-
age and restrictions. Refer to the equipment manufac-
turer’s repair instructions.
Section 3 - Combustion Air System Exhaust Restriction (3-05)
N14 Page 3-13
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