TM 5-3805-280-24-1
Tests
AIR INTAKE SYSTEM LEAKAGE TEST
SPECIFICATIONS
Air Intake System Leakage Test
14--21 kPa (0.14--0.21 bar) (2--
Pressure
3 psi)
OTHER MATERIAL
T43512 U.S. Thread Lock and Sealer (Medium Strength)
TY9473 Canadian Thread Lock and Sealer (Medium Strength)
242 Thread Lock and Sealer (Medium Strength)
9010
25
1. Remove air cleaner cover and main filter element.
3
2. Put large plastic bag into and over end of main filter
element as shown. Install main filter element and
cover.
3. Remove plug (A) from tube between turbocharger and
intake manifold.
4. Connect air pressure regulator to manifold using hose
and fitting from manifold pressure tester.
5. Pressurize air intake system to 14--21 kPa (0.14--
0.21 bar) (2--3 psi). If intake system cannot be
pressurized, turn engine slightly to close valves.
A--Plug
Air Intake System Leakage Test--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 or air intake manifold and
check for leaks. Correct all leaks.
7. Apply thread lock and sealer (medium strength) to
plug. Install plug into intake manifold and tighten.
TX,9010,SB121 1917JUN981/1
3-54
