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PISTON KIT 2389306 - Caterpillar

2389306 PISTON KIT Caterpillar parts PISTON
Alternative (cross code) number:
Caterpillar 2389306 PISTON KIT
Weight: 4 pounds 1 kg.

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Illustration 1 g01198887
(1) 7I-5075 Tube As
Illustration 2 g01198898
7I-5075 Tube As with two 8D-3508 Bosses Two 8X-7422 Bosses have been replaced by two 8D-3508 Bosses on the 7I-5075 Tube As. The two new bosses have been moved 40 2 mm (1.57 0.10 inch) toward the ends of the tube assembly.The updated 7I-5075 Tube As is effective on the following machines:
789C (S/N: 2BW887-UP)The updated 7I-5075 Tube As is adaptable to the following machines:
789C (S/N: 2BW704-886)Note: Inspect the machines for interference before replacing the tube assembly or modifying the tube assembly. If interference exists, the tube assembly must be replaced or modified. Use the following procedure to modify the tube assembly.
Remove the 7I-5075 Tube As from the frame.
Illustration 3 g01199981
7I-5075 Tube As (1) Two 8X-7422 Bosses
Remove the two outer bosses (1) from the Tube As. Smooth the areas on the tube assembly by using a sander.
Illustration 4 g01199974
7I-5075 Tube As (A) 106.0 2.0 mm (4.17 0.08 inch) (W1) 3.0 mm (0.12 inch) fillet weld (2) 8D-3508 Bosses
Weld two 8D-3508 Bosses (2) to the tube assembly.
Repaint the exposed surfaces on the tube assembly. Ensure that the paint does not get into the threads of the bosses.
Install the tube assembly into the frame.

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