14H Motor Grader Machine Systems Circle Drive - Install Caterpillar


Circle Drive - Install
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1.1. Installation Procedure

Installation Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
138-7575  Link Bracket 
169-0503  Installation Kit 
1U-8849 Duo-Cone Seal Installer As 

Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.



    Illustration 1g00929332

  1. Use Tooling (B) to install Duo-Cone seal (12) in gear (9). Refer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Install".


    Illustration 2g00929328

  2. Use Tooling (B) to install Duo-Cone seal (11) in circle drive (8).


    Illustration 3g00929325

  3. Attach Tooling (A) to circle drive (8). Attach a suitable lifting device to Tooling (A). The weight of circle drive (8) is approximately 127 kg (280 lb).

  4. Install gear (9) and thrust washer (10). While you lower circle drive (8) into position.


    Illustration 4g00929323

  5. Remove Tooling (A).

  6. Install three bolts (7).

  7. Install bolts (6). Tighten bolts (6) to a torque of 650 ± 25 N·m (480 ± 19 lb ft).


    Illustration 5g00929322

  8. Install nuts (5). Tighten nuts (5) to a torque of 430 ± 60 N·m (317 ± 44 lb ft). Install O-ring seal (4).

  9. Install washer (3), lock (1), and nut (2). Bend lock (1) on nut (2). Tighten nut (2) to a torque of 325 ± 27 N·m (239.7070 ± 19.9141 lb ft).

End By:

  1. Separate the steering frame lock. Refer to Disassembly and Assembly, "Circle Drive - Remove".

Information System:

14H Motor Grader Machine Systems Circle Drive - Remove
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