TM 5-3805-280-24-2
Intake System
AIR INTAKE SYSTEM LEAKAGE TEST
1. Remove air cleaner cover. Remove primary filter
element.
2. Put a large plastic bag inside and over end of element
as shown. Install element and cover.
3. Remove fitting for start aid nozzle from intake manifold.
4. Install the JDG51 Inlet Air Adapter (A).
5. Connect air pressure regulator to adapter using hose
and fitting.
IMPORTANT: Plastic bag could be drawn into the
05
engine causing damage if engine starts.
0520
Do not start the engine when turning
3
the engine crankshaft to close valves.
6. Pressurize air intake system to 14--21 kPa (0.14--
0.21 bar) (2--3 psi). If intake system cannot be
pressurized, turn engine crankshaft slightly to close
valves.
Leakage Test--Specification
A--JDG51 Inlet Air Adapter
Pressure ....................................................... 14--21 kPa (0.14--0.21 bar)
(2--3 psi)
7. Spray a soap solution over all connections from the air
cleaner to turbocharger and intake manifold. Check for
leaks. Correct all leaks
8. Install plug.
TX,05,VV2770
1919SEP981/1
14-27
