Usage:
Start By:
a. separation of tracks
1. Use tool (A), and remove the oil from the track roller frame.
2. Remove the bolts that hold retainers (1) on each side of the roller frame.
3. Install two 1/2 "-13 NC forcing screws in the retainers. Tighten the forcing screws evenly, and remove the retainers from the roller frame.
4. Fasten a hoist and tooling (B) to front track roller frame (2). Use tooling (B) to support the weight of the roller frame.
5. Fasten tooling (C) to the front track roller frame and a stationary object as shown.
6. Use tooling (C) to pull front track roller frame (2) part way out the rear track roller frame.
7. Cut tool (D) to make a tight fit inside the seal assembly.
8. Put tool (D) in position to protect the seal assembly. Remove front track roller frame (2) from the rear track roller frame. The weight of the front track roller frame is 251 kg (554 lb).
9. If necessary, remove sleeve (3) from the front track roller frame.
10. Remove seal assembly (6), ring (5) and bearing (4) from the rear track roller frame.
Install Front Track Roller Frames
1. Install bearing (1) and ring (2) in the rear track roller frame.
2. Make sure the seal bore in the rear track roller frame is clean and free of dirt, oil and old adhesive.
3. Put 7M7456 Bearing Mount on the seal bore.
4. Use tooling (A) to start seal assembly (3) in the rear track roller frame.
5. Use tool (B) to seat seal assembly (3) in the rear track roller frame.
6. Put clean oil on the bearing, ring and seal assembly.
7. Cut tool (C) to make a tight fit inside seal assembly (3) when the ends of tool (C) are put together.
8. Put tool (C) in position in seal assembly (3). Make sure the back leg of tool (C) is in the gap between the seal assembly and the front track roller frame.
9. If sleeve (4) was removed, heat the sleeve to a maximum temperature of 175°C (347°F), and install the sleeve on the front track roller frame.
10. Fasten a hoist and tooling (D) to the front track roller frame.
11. Install the front track roller frame in the rear track roller frame until sleeve (4) is within 25.4 mm (1 in) from the seal assembly in the rear track roller frame.
12. Remove tool (C) from the seal assembly.
| NOTICE |
|---|
Use caution to install the front track roller frame the rest of the way to prevent damage to the seal assembly in the rear track roller frame. |
13. Use tooling (E) to pull the front track roller frame into position in the rear track roller frame.
14. Align the slots in the front track roller frame with retainers (5), and install the retainers.
15. After the track has been adjusted, fill the recoil spring compartment with oil to the correct level. See the Maintenance Guide.
End By:
a. connection of tracks