CONT GP 2909339 - Caterpillar

Illustration 1 g02544278
Piston cooling jet with a single orifice
Table 1
Specification for the 173-0143 Piston Cooling Jet As
Item Qty Part Specification Description
A - 173-0143 Piston Cooling Jet As Diameter of the orifice is 1.97 mm (0.078 inch).
Use compressed air in order to check the piston cooling jets for plugging.
Visually inspect the piston cooling jets for damage or distortion. If damage to a cooling jet is suspected, replace the piston cooling jet.
The proper operation of the piston cooling jet is essential to ensure correct cooling and lubrication of the piston. When the piston cooling jets are removed from engine, make sure that the piston cooling jets are handled properly to avoid any damage.