777F, 777G, and 785D OEM Off-Highway Truck/Tractors Water Delivery System Caterpillar


Water Control Valve - Adjust

Usage:

785D DMC

Table 1
Required Parts  
Tool  Qty  Part Number  Part Description 
431-9716  Water Control Valve Gp 


    Illustration 1g03350189

  1. Locate valve group (1). Loosen bolts (B) on one split flange (A). Remove the other split flange (not shown).

    Note: Make sure that valve group O-ring seal is in place.



    Illustration 2g03350191


    Illustration 3g03350201

  2. Install valve group (1) on spray bar (C). Reinstall split flanges (A). Do not tighten the mounting bolts.


    Illustration 4g03350204


    Illustration 5g03350212

  3. Rotate valve group (1) on spray bar (C) in order to obtain the desired direction for water spray. Tighten the mounting bolts on both flanges to a torque of 55 ± 10 N·m (40.56580 ± 7.37560 lb ft).

    Note: Orient the spray heads as shown with each spray head angled 20 degrees away from the center line.



    Illustration 6g03350213

  4. Repeat the previous steps for the remaining spray heads on the rear spray bar.


    Illustration 7g03350218

  5. Install valve group (1) on front spray bar (D). Reinstall split flanges (A). Do not tighten the mounting bolts.

    Note: Two spray heads can be installed on the front of the truck. The spray head on the left side of the truck is shown above.

  6. Rotate valve group (1) on spray bar (D) in order to obtain the desired direction for water spray. Tighten the mounting bolts.

  7. Repeat the previous steps for the remaining spray head on the opposite side of the water tank.

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