Air Inlet Restriction
Install a water manometer to the air inlet pipe of the
turbocharger to measure inlet restriction.
NOTE: The manometer adapter must be installed at a 90
degree angle to the air flow in a straight section of pipe, one
pipe diameter before the turbocharger.
NOTE: A vacuum gauge can be used to record the intake
air restriction.
Minimum Gauge Capacity: 760 mm H
2
0 [30 inches H
2
0].
Exhaust Restriction
Install a mercury manometer to a straight section of the
exhaust piping near the turbocharger outlet to measure
exhaust restriction.
NOTE: The manometer must be scaled to record exhaust
back pressure in excess of 75 mm [3.0 inches] of mercury.
NOTE: A pressure gauge can be used to record the exhaust
back pressure.
Minimum Gauge Capacity: 254 mm Hg [10 inches Hg].
Lubricating Oil Temperature
Remove the straight thread fitting in the accessory drive
and install the lubricating oil temperature sensor.
Lubricating Oil Pressure
Remove the pipe plug from the main oil rifle drilling in the
cylinder block.
Install the lubricating oil pressure sensor.
Engine Dynamometer - Install Engine (8-01) Engine Testing
N14Page 8-12
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