Piston Cooling Jet

TM 9-2320-312-24-2

Specifications Section

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Piston Cooling Jet

Front Housing and Covers

SMCS Code: 1331

SMCS Code: 1162; 1166

Two-Piece Articulated Piston

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Illustration 44

(1) Piston cooling jet

The piston cooling jets must be checked for the

location of the stream of oil. Insert a drill rod with a

diameter of 1.90 mm (0.075 inch) into the orifice.

This drill rod simulates the stream of oil under

normal operating pressure. The drill rod must

pass through a circle with a diameter of 5.0 mm

(0.20 inch) at point (A).

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Illustration 45

Use the following dimensions in order to locate

point (A).

Dimension (B) .................... 26.5 mm (1.04 inch)

Dimension (C) ................... 34.0 mm (1.34 inch)

Dimension (D) ................... 50.0 mm (1.97 inch)