COIL AS 4702949 - Caterpillar

Install plug (6) in the engine air inlet manifold.
Determine a location in the inlet air piping in order to install air pipe assembly (3). Install the air pipe assembly close to the air cleaner.Note: When possible, use existing air hoses and clamps. Avoid installing additional air hoses in the inlet air piping.
Cut air pipe assembly (3) in order to fit the inlet air piping. Remove any burrs from air pipe assembly (3) .
Install air pipe assembly (3) in the air piping. Use hoses (1), if necessary. Use clamps (2), if necessary. Use two hose clamps on each end of hose (1). Refer to illustration 2.
Install the 90 degree elbow (7) in the air compressor inlet manifold. A straight connector may be used in place of the 90 degree elbow. Refer to footnote 1 in Table 1.
Install hose (5) on 90 degree elbow (7) on the air compressor. Secure hose (5) with hose clamp (4) .
Route hose (5) to air pipe assembly (3). Cut off excess length of hose (5), if necessary.
Install hose (5) on the fitting on the air pipe assembly (3). Secure hose (5) with hose clamp (4) .Procedure for Installation of Naturally Aspirated Air Supply on Vehicles With 127 mm (5.0 inch) Air Piping
Illustration 3 g00598643
Naturally aspirated air supply with 127.0 mm (5 inch) air piping
Table 2
Item     Quantity     Part Number     Description    
1     2     105-1175     Hose    
2     2     3E-7424     Hose Clamp    
3     2     8T-4987     Hose Clamp    
4     1     166-6339     Air Pipe Assembly    
5     2     7X-7958     Hose Clamp    
6     1     5N-7444     Hose    
7     1     3E-7430     Pipe Plug    
8     1     7W-1890 (1)     Elbow    
( 1 ) Straight 053-2313 Connector may be used in place of the 7W-1890 Elbow .
Install plug (7) in the engine air inlet manifold.
Determine a location in the inlet air piping in order to install air pipe assembly (4). Install the air pipe assembly (4) close to the air cleaner.Note: When possible, use existing air hoses and clamps. Avoid installing additional air hoses in the inlet air piping.
Cut air pipe assembly (4) in order to fit the inlet air piping. Remove any burrs from air pipe assembly (4) .
Install air pipe assembly (4) in the air piping. Use hoses (1) ,as needed. Use clamps (2) and (3), as needed.
Install the 90 degree elbow (8) in the air compressor inlet manifold. A straight connector may be used in place of the 90 degree elbow. Refer to footnote 1 in Table 1.
Install hose (6) on 90 degree elbow (8) on the air compressor. Secure hose (6) with