DISTRIBUTION AR 4373411 - Caterpillar

Use Tooling (A), Tooling (C), and a suitable lifting device to position service brake (1) onto Tooling (B). The weight of service brake (1) is approximately 272 kg (600 lb).
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Remove bolts (2). Remove retainer (3).
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Remove shims (4). Use Tooling (C) and a suitable lifting device to remove sprocket (5). The weight of sprocket (5) is approximately 36 kg (80 lb).Note: Note the quantity and the order of shims (4).
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Personal injury can result from being struck by parts propelled by a released spring force.Make sure to wear all necessary protective equipment.Follow the recommended procedure and use all recommended tooling to release the spring force.
Remove bolts (6).
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Remove O-ring seal (7). Use Tooling (D) to remove bearing cone (8). Use Tooling (A) and a suitable lifting device to remove cover (9). The weight of cover (9) is approximately 42 kg (93 lb).
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Remove bearing cup (10) from cover (9).
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Remove springs (11). Remove plates (12) and discs (13).Note: Note the quantity and the order of plates (12) and discs (13).
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Remove piston (14). Remove spacers (15). Remove hub (16).
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Remove seals (17) from piston (14).
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Use Tooling (A) to remove housing (18). The weight of housing (18) is approximately 77 kg (170 lb). Position housing (18) onto suitable blocking.
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Remove the first half of Duo-Cone seal (19). Refer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Remove". Remove bearing cup (20).
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Remove the second half of Duo-Cone seal (19). Refer to Disassembly and Assembly, "Duo-Cone Conventional Seals - Remove".
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Use Tooling (E) to remove bearing cone (21).
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Remove spacer (22).