777E, 777F and 777G Off-Highway Truck Caterpillar


Air Manifold (Inlet) - Remove and Install

Usage:

777F JRP

Removal Procedure

Start By:

  1. Remove the hood. Refer to Disassembly and Assembly, "Hood - Remove".

  1. Turn the battery disconnect switch to the OFF position in order to disconnect the battery.



    Illustration 1g01314821

  1. Loosen clamps (1) . Remove bolts (2) . Remove clamps (3) .



    Illustration 2g01314823

  1. Loosen clamps (5) . Remove tubes (4) .



    Illustration 3g01314824

  1. Disconnect fittings (6) and (8) . Loosen clamps (9) . Remove elbows (7) .



    Illustration 4g01314825

  1. Remove O-ring seals (11) . Remove bolts (10) and (12) .



    Illustration 5g01314827

  1. Disconnect harness assembly (13) . Remove cable straps (15) . Remove plate (14) .



    Illustration 6g01314828

  1. Remove bolts (16) and (18) . Position plate (17) out of the way.



    Illustration 7g01314829

  1. Remove bolts (19) . Position hose assembly (21) out of the way.

  1. Repeat Step 8 for the opposite side.

  1. Loosen bolts (22) . Remove support assembly (20) .



    Illustration 8g01314830

  1. Disconnect harness assemblies (23) .



    Illustration 9g01314831

  1. Remove bolts (24) . Position manifold (25) out of the way.



    Illustration 10g01314836

  1. Remove bolt (27) . Remove bracket (26) .



    Illustration 11g01314843

  1. Remove bolts (29) . Position harness assembly (28) out of the way. Remove bracket (27) .



    Illustration 12g01314844

  1. Disconnect harness assemblies (31) , (32) , and (34) . Remove bolts (30) and (33) . Position harness assembly (35) out of the way.



    Illustration 13g01314845

  1. Remove bolts (36) and (39) . Remove air inlet manifolds (37) and (38) and the gaskets.

Installation Procedure




    Illustration 14g01314845

  1. Install the gaskets and air inlet manifolds (37) and (38) . Install bolts (36) and (39) .



    Illustration 15g01314844

  1. Position harness assembly (35) . Install bolts (33) and (30) . Connect harness assemblies (34) , (32) , and (31) .



    Illustration 16g01314843

  1. Install bracket (27) . Position harness assembly (28) . Install bolts (29) .



    Illustration 17g01314836

  1. Install bracket (26) . Install bolt (27) .



    Illustration 18g01314831

  1. Position manifold (25) . Install bolts (24) .



    Illustration 19g01314830

  1. Connect harness assemblies (23) .



    Illustration 20g01314829

  1. Install support assembly (20) . Tighten bolts (22) .

  1. Position hose assembly (21) . Install bolts (19) .

  1. Repeat Step 8 for the opposite side.



    Illustration 21g01314828

  1. Position plate (17) . Install bolts (18) and (16) .



    Illustration 22g01314827

  1. Install plate (14) . Connect harness assembly (13) . Install cable straps (15) .



    Illustration 23g01314825

  1. Install bolts (12) and (10) . Install O-ring seals (11) .



    Illustration 24g01314824

  1. Install elbows (7) . Tighten clamps (9) . Connect fittings (8) and (6) .



    Illustration 25g01314823

  1. Install tubes (4) . Tighten clamps (5) .



    Illustration 26g01314821

  1. Install clamps (3) . Install bolts (2) . Tighten clamps (1) .

End By: Install the hood. Refer to Disassembly and Assembly, "Hood - Install ".

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