2011/06/08 Caterpillar


An Air Compressor Support Bracket Is Available for Certain C15 and C18 Engines {1803}

Usage:

C-15 BEM
Industrial Engine:
C-15 IND (S/N: BEM1-UP)
C15 IND (S/N: JRE1-UP)
C18 INDUSTRIAL (S/N: WJH1-UP)
Petroleum Engine:
C-15 PETROLEUM (S/N: Z2C1-UP)
C15 PETROLEUM (S/N: JDK1-UP)
C18 PETROLEUM (S/N: WJW1-UP)

Description of Change: The new air compressor support bracket is designed for extended service life and durability.

Adaptable To: Installation of 247-5712 Bracket As may require a reconfiguration of the fuel filter. If a reconfiguration is necessary, then use the procedure out lined below.

Refer to Table 1 for a list of effective serial numbers.

Table 1
Effective Serial Numbers    
S/N:BEM07167-UP    
S/N:JDK00357-UP    
S/N:JRE12436-UP    
S/N:Z2C00391-UP    
S/N:WJH07954-UP    
S/N:WJW00211-UP    

Reconfiguration of the Fuel Filter

Configuration of High Mount Fuel Filters




    Illustration 1g02585741

  1. Remove the P-clips holding the fuel line (1). Cut the wire straps on the wire harness.



    Illustration 2g02585817

    (2) 9R-6307 Spacer

    (3) 3R-4353

    (4) 6V-5842 Bolt

    (5) 3B-1915 Bolt

    (6) 129-3172 Mounting Stud

    (7) 180-4686 Bolt

    (8) 247-5712 Bracket As

  1. Use the following procedure to install the mounting bracket (8) .

    1. Install bracket (8), spacer (2), washer (3), and 3B-1915 Bolt (5). Hand tighten.

    1. Install spacers (2), washers (3), and 129-3172 Mounting Studs (6). Hand tighten.

    1. Install bolts to the air compressor.

    1. Install spacer (2), washer (3), and 6V-5842 Bolt (4) to the top right pump hole. Torque completely.

    1. Install spacer (2), washer (3), and 180-4686 Bolt (7) to the lower right pump hole. Torque completely.

    1. Torque all remaining bolts and studs.



    Illustration 3g02586481

    (9) Ladder clip

    (10) 5M-2894 Hard Washer

    (11) 9s-8752 Full Nut

    (12) 336-8613 Clip

  1. Use a washer (10) and a nut (11) to install the ladder clip (9) on the top 129-3172 Mounting Stud .

  1. Use a washer (10) and a nut (11) to install the P-clip (12) to the bottom 129-3172 Mounting Stud. Position the clips as shown in Illustration 3.

Configuration of Mid Mount Fuel Filters




    Illustration 4g02595397

  1. Remove the 160-4372 Base Support (1) and retain the bolts for reuse. Remove the base bracket (2) .

  1. Remove the three fuel lines (3) .

  1. Remove wire ties and remove wire harness.



    Illustration 5g02595398

  1. Use 1A-2029 Bolts (5) and 5M-2894 Hard Washers (6) to install the 137-5110 Bracket (4) to the head.



    Illustration 6g02595557

  1. Replace the existing vertical fuel fittings with 030-7947 Elbows (8) .

    Install fuel filter base (7) .




    Illustration 7g02595580



    Illustration 8g02595582

  1. Install 172-3446 Hose As (9) .

    Install 256-2211 Hose As (10) .

    Install 155-5919 Shaft (14), 336-8613 Clip (12), 0S-1594 Bolt (13), and 5M-2894 Hard Washer (6) .




    Illustration 9g02597523

  1. Remove the P-clips holding the fuel line (14). Cut the wire straps on the wire harness.



    Illustration 10g02597530

    (15) 9R-6307 Spacer

    (16) 3R-4353

    (17) 6V-5842 Bolt

    (18) 3B-1915 Bolt

    (19) 129-3172 Mounting Stud

    (20) 180-4686 Bolt

    (21) 247-5712 Bracket As

  1. Use the following procedure to install the mounting bracket (21) .

    1. Install bracket (21), spacer (15), washer (16), and 3B-1915 Bolt (18). Hand tighten.

    1. Install spacers (15), washers (16), and 129-3172 Mounting Studs (20). Hand tighten.

    1. Install bolts to the air compressor.

    1. Install spacer (15), washer (16), and 6V-5842 Bolt (17) to the top right pump hole. Torque completely.

    1. Install spacer (15), washer (16), and 180-4686 Bolt (20) to the lower right pump hole. Torque completely.

    1. Torque all remaining bolts and studs.



    Illustration 11g02597577

    (22) Ladder clip

    (23) 5M-2894 Hard Washer

    (24) 9S-8752 Full Nut

    (25) 336-8613 Clip

  1. Use a washer (23) and a nut (24) to install the ladder clip (22) on the top 129-3172 Mounting Stud

  1. Use a washer (23) and a nut (24) to install the P-clip (25) to the bottom 129-3172 Mounting Stud. Position the clips as shown in Illustration

Configuration of Low Mount Fuel Filters




    Illustration 12g02597640

  1. Unclip the fuel hoses (1) .

    Remove the wire ties and p-clips (2) from the wire harness.




    Illustration 13g02597667

    (3) 3B-1915 Bolt

    (4) 3E-4353 Hard Washer

    (5) 9R-6307 Spacer

    (6) 129-3172 Mounting Stud

    (7) 247-5712 Bracket As

    (8) P-clip

  1. Use a bolt (3), washer (4), and a spacer (4) to install the bracket (7). Hand tighten.

  1. Install a stud bolt (6) to the top right hole of the bracket. Hand tighten.

  1. Thread a stud bolt (6) through the bottom right hole of the bracket and install the P-clip (8) .



    Illustration 14g02597760

    (4) 3E-4353 Hard Washer

    (5) 9R-6307 Spacer

    (9) 6V-5842 Bolt

    (10) 180-4686 Bolt

    (11) 9S-8752 Full Nut

    (12) 5M-2894 Hard Washer

  1. Use a washer (4) and a spacer (5) to install the bolt (9) to the top rear of the air compressor. Torque completely.

  1. Use a washer (4) and a spacer (5) to install the bolt (10) on the bottom rear of the air compressor. Torque completely.

  1. Use a nut (11) and a washer (12) to install a P-clip to the bracket. Torque completely.

  1. Completely torque the remaining bolts.



    Illustration 15g02597960

    (4) 3E-4353 Hard Washer

    (11) 9S-8752 Full Nut

    (12) 5M-2894 Hard Washer

    (13) 0S-1594 Bolt

    (14) 9L-6791 Bracket

    (15) 336-8613 Clip

    (16) 2Y-5829 Nut

  1. Use the bolt (13), nut (11) and washer (12) to install the bracket (14) .

  1. Attack a P-clip (15) to the bracket (14) .

  1. Use the nut (16) and washer (4) to install a P-clip (15) .



    Illustration 16g02598357

  1. Reposition the fuel fitting (17) and reattach the fuel line.

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