TM 5-3805-281-24-2
Intake System
AIR INTAKE SYSTEM LEAKAGE TEST
1. Remove air cleaner cover and primary filter element.
2. Put large plastic bag inside and over end of element.
Install element and cover.
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1907JUL981/2
3. Remove fitting for start aid nozzle from intake manifold
and install JDG51 Inlet Air Adapter (A).
4. Connect air pressure regulator to adapter using hose
and fitting.
IMPORTANT: DO NOT start unit when turning
05
crankshaft slightly to close intake
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valves; plastic bag could be sucked into
2
engine.
5. Pressurize air intake system to specification. If intake
system cannot be pressurized, turn crankshaft slightly
A--JDG51 Air Inlet Adapter
to close intake valves.
Air Intake System--Specification
Pressure ....................................................... 14--21 kPa (0.14--0.21 bar)
(2--3 psi)
6. Spray soap solution over all connections from the air
cleaner to turbocharger and air intake manifold to
check for leaks. Repair all leaks.
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1907JUL982/2
