- Track-Type Tractor:
- D7GSeries 2 (S/N: C7G1000-UP)
Description of Change: The D7G Series 2 that is equipped with the 294-0666 Cylinder Mounting Gp has had instances of the 3B-6753 Bolt and the 1D-4615 Bolt loosening or possibly breaking. The bolts are located on both sides of the 3G-7970 Cylinder Mounting Gp .
|Required Parts    |
|Item    ||Part Number    ||Description    ||Qty    |
|1    ||1D-4615    ||Bolt    ||4    |
|2    ||2J-3506    ||Full Nut    ||4    |
|3    ||3B-6753    ||Bolt    ||4    |
|4    ||6V-2360    ||Hard Washer    ||12    |
The view of 3G-7970 Cylinder Mounting Gp (A) bolts may need to be replaced.
Up close view of the 3G-7970 Cylinder Mounting Gp that was shown in Illustration 1
The view of the 3G-7970 Cylinder Mounting Gp (A) that is located on the opposite side of the tractor
- Inspect the surface under the bolt head and the nut. If there is paint on the surface, remove the paint and make sure that the surface is flat and smooth.
- Inspect the bolts and replace the bolts if the bolts are damaged.
- Install twelve 6V-2360 Hard Washers under the nuts and the bolts on both sides of the 3G-7970 Cylinder Mounting Gp. Tighten the bolts to a torque of 370 N·m (273 lb ft).
The improved bolts are adaptable to the following machine: D7G (S/N: C7G1000-1241)