12M Motor Grader Engine Supplement Caterpillar


Flywheel and Rear Gear Group - Remove and Install - Drive Gear

Usage:

12M B92

Removal Procedure

Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     308-3471     Jack Stand Gp     4    
B     -     Guide Stud
M12 - 1.75 by 12 in    
2    
C     138-7573     Link Bracket     1    
D     -     Loctite 242     -    

Start By:

  1. Remove the engine.



    Illustration 1g01383364

  1. Use a suitable lifting device to position engine (1) onto Tooling (A). The weight of engine (1) is approximately 1089 kg (2400 lb).



    Illustration 2g01383397

  1. Remove bolts (2) and coupling (3) .



    Illustration 3g01383597

  1. Remove two bolts (4) .



    Illustration 4g01383603

  1. Install Tooling (B). Remove the remaining bolts (4) .



    Illustration 5g03096801

  1. Attach Tooling (C) and a suitable lifting device to flywheel (5). The weight of flywheel (5) is approximately 54 kg (120 lb). Remove flywheel (5) .



    Illustration 6g01383614

  1. Remove drive gear (6) .

Installation Procedure




    Illustration 7g01383735

  1. Install Tooling (B) to aid in the installation of drive gear (6) .



    Illustration 8g03096801

  1. Attach Tooling (C) and a suitable lifting device to flywheel (5). The weight of flywheel (5) is approximately 54 kg (120 lb). Install flywheel (5) .



    Illustration 9g01383603

  1. Apply Tooling (D) to bolts (4). Install bolts (4) .Tighten bolts (4) to a torque of 120 ± 20 N·m (89 ± 15 lb ft). Remove Tooling (B) .



    Illustration 10g01383597

  1. Apply Tooling (D) to the remaining two bolts (4). Install the remaining two bolts (4). Tighten bolts (4) to a torque of 120 ± 20 N·m (89 ± 15 lb ft).



    Illustration 11g01383397

  1. Position coupling (3) and install bolts (2). Tighten bolts (2) to a torque of 25 ± 6 N·m (221 ± 53 lb in).

End By: Install the engine.

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