Intake Air Restriction (3-04)
Checking
Install a vacuum gauge or water manometer in the intake
air piping.
NOTE: The gauge adapter must be installed at a 90 degree
angle to the air flow in a straight section of pipe, 127 mm [5.0
inch], before the turbocharger compressor inlet.
Operate the engine at full throttle and maximum horse-
power RPM with maximum load.
Record the reading on the gauge or manometer.
NOTE: Restriction must not exceed 635 mm H
2
0 [25.0 inch
H
2
0].
If the restriction exceeds specifications, do the following:
• Replace or clean the air filter element. Refer to the
equipment manufacturer’s instructions.
• Visually inspect the intake air piping for damage.
Check for collapsed and dented piping or elbows,
and loose connections. Refer to the equipment man-
ufacturer’s repair instructions.
Intake Air Restriction (3-04) Section 3 - Combustion Air System
N14Page 3-12
To Next Page
Loading...
