Check the Bypass and Pressure Switch Harness Connections at the Front and Rear Axle Oil Filters on R1600H Load Haul Dump Machines {1408} Caterpillar


Check the Bypass and Pressure Switch Harness Connections at the Front and Rear Axle Oil Filters on R1600H Load Haul Dump Machines {1408}

Usage:

R1600H 9SD
Load Haul Dump
R1600H (S/N: 9SD1-442)

Description Of Change: Axle oil pressure readings on the multi function display may show the oil pressure for the incorrect axle.

Check the harness connections on the front and rear axle oil filters.

Adaptable To: The changes are adaptable to the above serial numbered machines, and effective in production with machines manufactured after the above listed serial numbers.

Check Harness Connections



    Illustration 1g06349481
    Axle oil filters
    (1) Rear axle oil filter
    (2) Front axle oil filter


    Illustration 2g06350033
    (3) 456-2122 Rear Harness As
    (4) Plug (two pin)
    (5) Rear axle oil pressure switch receptacle (two pin)
    (6) Rear axle oil pressure switch
    (7) Plug (two pin)
    (8) Front axle oil pressure switch receptacle (two pin)
    (9) Front axle oil pressure switch
    (10) Plug (three pin)
    (11) Rear axle filter bypass receptacle
    (12) Rear axle filter bypass switch
    (13) Front axle filter bypass receptacle
    (14) Plug (three pin)
    (15) Front axle filter bypass switch


    Illustration 3g06349480
    (1) Rear axle oil filter
    (2) Front axle oil filter
    (3) 456-2122 Rear Harness As
    (4) Plug (two pin)
    (5) Rear axle oil pressure switch receptacle (two pin)
    (6) Rear axle oil pressure switch
    (7) Plug (two pin)
    (8) Front axle oil pressure switch receptacle (two pin)
    (9) Front axle oil pressure switch
    (10) Plug (three pin)
    (11) Rear axle filter bypass receptacle
    (12) Rear axle filter bypass switch
    (13) Front axle filter bypass receptacle
    (14) Plug (three pin)
    (15) Front axle filter bypass switch

  1. Inspect electrical connections and check the following:

    • Plug (4) connects to receptacle (5)

    • Plug (7) connects to receptacle (8)

    • Plug (10) connects to receptacle (11)

    • Plug (13) connects to receptacle (15)

    Refer to Illustrations 1, 2, and 3.

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