568 Forest Machines Machine Systems Caterpillar


Track - Connect - PPR2

Usage:

568 FM LL BRB

Connection Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
132-8223  Hydraulic Pump and Motor 
132-8119 Hydraulic Torque Wrench 
180-3033  Stand 
216-3914  Track Repair Group 
386-6031 Lever Puller Hoist Gp 
5P-6214(1)  Track Block Assembly 
1P-3533  Carrier Bar 
4C-8619  Seal Installer 
8T-7783  Cap 
8T-3210  Adapter 
FT-1953  Indicator Gauge Gp 
157-8547(2)  Pin Tool 
8T-3211(2)  Handle As 
266-9698  Extruder Gp 
5F-9455  Pilot Pin 
(1) Can be used in place of Tooling (B)
(2) Tooling will be needed for each side of the link assembly


    Illustration 1g01191909

  1. Use a suitable lifting device in order to guide track assembly (4) onto sprocket (5).


    Illustration 2g00596224

  2. Install Tooling (E) between the bushing and the carrier roller.

  3. Rotate the sprocket forward. Use Tooling (E) to guide the track assembly over the carrier rollers and the front idler.


    Illustration 3g00874240

  4. Lift the track in order to install Tooling (B). Rotate the track forward until the master link is aligned.


    Illustration 4g02042300

  5. Use Tooling (F) to install seals (6). Install thrust rings (7).

    Note: Use grease in order to hold the thrust rings (7) and seals (6) in the master link.



    Illustration 5g02149703

  6. Install Tooling (P) in the master link. Rotate the track backward in order to position the master link between the front idler and the carrier roller. Or position the master link between the carrier roller and the final drive.

  7. Use a suitable lifting device and Tooling (C) to install the master pin.

    Note: The track pin will push the pilot pin through the center of the track link.

  8. Place the master pin between the Tooling (P) and Tooling (J). Use Tooling (C) in order to press the master pin into the proper location.


    Illustration 6g01525016
    (AA) Pin projection

  9. Press the master pin into the bores of the master link with Tooling (J). The correct dimension for the pin projection is 2.20 ± 0.50 mm (0.087 ± 0.020 inch). Measure the pin projection with Tooling (K). Refer to Illustration 6 for the location of measurement.


    Illustration 7g02941562
    Components of Tooling (N).


    Illustration 8g02932677

    Note: Tooling (N) for swaging the track joints will require assembly. Refer to Illustration 7 for assembly.

  10. Install Tooling (N) onto Tooling (C).

  11. Set the hydraulic pump to 0 kPa (0 psi).

    Note: Use Tooling (M) to position the track links onto Tooling (A).

  12. Slowly extend the hydraulic cylinder until contact is made.

    Note: If the track has already been swaged, rotate Tooling (N) to a distance of 45 degrees from the previous swage.



    Illustration 9g02573622
    Typical Example


    Illustration 10g02008374

  13. Orient both sides of the track pin with Tooling (G) in order to swage both sides of the master joint.

  14. Material from the link is pressed into a groove in the track pin. Refer to Illustration 10 as an example of a swaged boss.

  15. Apply a force of 670 kN (150623 lb) to swage.

  16. Remove Tooling (G) and Tooling (N).

  17. Use the following procedure in order to unlock the track joint before final assembly:

    1. After the pin boss has been swaged, all of the internal components of the track link assembly are pressed together with zero end play. If the components remain pressed together, the track link assembly will not articulate. Galling will occur on the thrust rings.

    2. Unlocking a track joint is a process that is crucial to the success of a proper repair or proper installation. Unlocking is performed by applying a specified force to both ends of the track pin.

    3. As the specified force is released from the track pin, the track link, seal, and thrust ring will be carried slightly away from the bushing. The correct end play dimension is 0.07 + 0.13 - 0.07 mm (0.003 + 0.005 - 0.003 in).

    4. If the track joint is properly unlocked, the track joint will articulate. If the track joint is properly unlocked, galling will not occur on the thrust rings.

    5. Install Tooling (M) onto Tooling (L).

    6. Position Tooling (L) in order to unlock the track joint. Tooling (L) should only contact the track pin. If the Tooling contacts another track component, the track joint will not become unlocked. The correct force that is required to unlock the track joint is 444 kN (99816 lb).

    7. Verify that the track joint articulates. Use a pry bar to pry up on the track links.

    8. Measure the end play of the track joint. The correct end play dimension is 0.07 + 0.13 - 0.07 mm (0.003 + 0.005 - 0.003 in).


    Illustration 11g00874146

  18. Use a suitable lifting device to position track shoe (3). The weight of track shoe (3) is approximately 36.20 kg (80 lb).


    Illustration 12g01289403


    Illustration 13g00595042

  19. Clean the track shoes and inspect the track shoes. Install the track shoes onto the link assembly.

  20. Lubricate bolts (2) with SAE 30W Oil. Install bolts (2).

    Note: Follow the correct pattern in Illustration 12 in order to torque the bolts.

  21. Use Tooling (A) in order to tighten bolts (2) to a torque turn of 500 ± 70 N·m (369 ± 52 lb ft) plus 120° ± 5°.

  22. Repeat Step 18 and Step 20 in order to install the other track shoe on the master link.


    Illustration 14g00595011

    ------ WARNING! ------

    Personal injury or death can result from grease and oil coming out of the relief valve.

    Grease and oil are under high pressure coming out of the relief valve and can penetrate the body.

    Do not watch the relief valve to see if grease is escaping. Watch the track or track adjustment cylinder to see if the track is being loosened.

    Make sure the vent holes are clean before the tension is released on the track.


  23. Tighten relief valve (1) for the track adjuster. Adjust the tension of the track assembly. Refer to Operation and Maintenance Manual, "Track Adjustment - Adjust".

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