794 AC Off-Highway Truck Engine Supplement Caterpillar


Engine Trunnion - Remove and Install

Usage:

794 AC HRT

Removal Procedure

Table 1
Required Tools 
Tool  Part Number  Part Description  Qty 
323-1146  Lifting Gp 
Guide Bolts
M16 - 2 by 8 inch 

Start By:

  1. Remove the vibration damper.


    Illustration 1g02028968

  1. Use Tooling (A) and a suitable lifting device in order to support the weight at the front of engine (1). The weight of engine (1) is approximately 12115 kg (26710 lb).


    Illustration 2g02029019


    Illustration 3g02029052

  2. Remove two of bolts (2) that are marked with an X. Install Tooling (B). Remove the remaining bolts (2).


    Illustration 4g02029057


    Illustration 5g02029214

  3. Remove bolts (3). Attach a suitable lifting device onto trunnion (4). The weight of trunnion (4) is approximately 64 kg (140 lb).

  4. Remove trunnion (4).

Installation Procedure

  1. Install trunnion (4) in the reverse order of removal.

    1. Tighten bolts (3) to a torque of 570 ± 80 N·m (420 ± 59 lb ft).

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