ENGINE AR-COMPLETE 2142838 - Caterpillar

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Use Tooling (A) in order to turn nut (14) clockwise. This will loosen nut (14). Loosen nut (14) for one complete turn.
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Install retainer (4). Install 7M-9773 Adapter onto the sprocket shaft, as shown. Tighten 7M-9773 Adapter hand tight. Loosen 7M-9773 Adapter by one full turn.
Install the remainder of Tooling (B). Use Tooling (B) in order to loosen holder assembly (15). Remove Tooling (B) and retainer (4).
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Attach a suitable lifting device to holder assembly (15) . The weight of holder assembly (15) and nut (14) is approximately 46 kg (101 lb). Remove holder assembly (15) and nut (14) as a unit.
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Remove Duo-cone seal gp (16). Turn nut (14) counterclockwise and remove nut (14) .
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Remove gasket (17) and cage (18) from holder (15) .
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Remove dowel (19) from holder (15). Remove bearing cup (20) from cage (18) .
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Remove Duo-cone seal gp (21). Bend up the tab on lock (22) .
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Use Tooling (A) in order to loosen nut (23) far enough until Tooling (C) can be inserted between nut (23) and bearing cone (24). Use Tooling (A) in order to loosen nut (23) until bearing cone (24) is removed.
Install nut (23) and tighten by hand. Loosen nut (23) by two full turns.
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Install Tooling (B). Use Tooling (B) in order to loosen sprocket hub (25). Remove nut (23) .
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Attach Tooling (D) and a suitable lifting device to sprocket hub (25). The weight of sprocket hub (25) is approximately 193 kg (425 lb). Remove sprocket hub (25) .
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Remove Duo-cone seal gp (26) from sprocket hub (25) .
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Remove Duo-cone seal gp (27) from the case.