Usage:
772 (11S) 772B (64W),
776 (14H),
776B (6JC),
776C (2TK),
776D (5ER),
784B (5RK) Tractors;
775B (7XJ),
775D (6KR) Quarry Trucks;
773 (63G),
773B (63W),
773D (7ER),
777 (84A),
777B (4YC),
777C (4XJ),
777D (3PR),
785 (8GB),
785B (6HK),
789 (9ZC),
789B (7EK),
793B (1HL) Off-Highway Trucks
Description of Change: This article replaces Service Magazine; August 19, 1996; Page 7, "New Seal Retainers And Backing Plate Used To Reduce Oil Leaks And Provide An Increased Face Load On Duo-Cone Seals" and Service Magazine; January 19, 1998; Page 11, "Improved Duo-Cone Seal Retainer Used In Certain Brake Groups And Wheel Arrangements".
This article features a chart containing information on improved Duo-Cone seal retainers which are now used in certain brake groups and wheel arrangements.
Adaptable To: The improved Duo-Cone seal retainers are listed in the following chart by model with corresponding effective serial number and adaptability.
NOTE: To avoid damage 143-2703 Duo-Cone Seal Retainer should be used with 130-7910 Plate. The former 5T-6380 Plate can be used with the 143-2703 Duo-Cone Seal Retainer only if it is modified as shown in the following illustrations.
Illustration 1.
Location of the area on 5T-6380 Plate to be modified.
Illustration 2.
Detail A. Dimension