CASE-TMSN 6T4055 - Caterpillar

This is a 14.0-hour job
If there has been a previous repair, part age/hours will apply. Retain a copy of the previous repair invoice in the dealer's records for audit purposes, and specify repair date and machine hours in the "Additional Comments" section of the warranty claim.
PARTS DISPOSITION
****Parts Stock****
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
****Affected Product****
Handle the parts in accordance with your Warranty Bulletin on warranty parts handling.
Rework Procedure
Using a Permanent Pen, mark the top two element locations. Refer to the Service Manual if/as necessary and Follow the Disassembly Instructions in KENR8727 to remove all four Resistor Elements and the Intake Screen. Do Not reuse the elements that were removed.
Image1.1.1
With the Grid Assembly still laying with the grid fan down, locate and remove the bottom 5 mounting bolts. Then, locate and remove the existing weld nuts on the inside of the Grid Fan Support Structure. Use a grinder to remove the paint and any remaining weld material around the existing hole.
Removal of the 5 Mounting Bolts will allow the Grid Fan to become unsupported by the Grid Support Structure.
Image1.2.1
Image1.2.2
Once the weld nuts are removed, use a 3/4" (19 mm) drill to make a 1/4" (5 mm) deep recess at each of the bolt hole location on the inside of the Grid Support Structure.
Image1.3.1
Insert the new 8T-5911 weld nuts into each of 5 holes with the smaller diameter in the recessed area of the hole. Assure that the weld nut is resting flat on the Grid Support Structure and weld each nut into place. Once the material is cool, clean the area and apply a protective layer of paint.
Image1.4.1
Refer to the Service Manual if/as necessary and Follow the Assembly Instructions in KENR8727 to reassemble the Retarding Grid.
Note: New hardware is required at the 5 Locations modified.
Use the Hardware Stack Up in Image 1.5.1 for Bolt Positions 1, 3 ,and 5 in Image1.5.1.
Use the Hardware Stack Up in Image 1.5.2 for Bolt Positions 2, and 4 in Image1.5.2.
Apply Loctite to the threads of each bolt and tighten to 105 NM +/- 20 NM.
Image1.5.1
Image1.5.2