BEARING 4Z8836 - Caterpillar

Start By:
Release hydraulic system pressure.
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Remove guards (1).
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Remove plug (3). Open valve (2). Remove cap (4) to vent tank. Refer to Operation and Maintenance Manual, "Hydraulic System Oil - Change" for draining and filling procedures.
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Remove plug (5) to drain remaining oil from the suction tube.
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Relocate valve (6) and the bracket.
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Disconnect hose assemblies (7).
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Disconnect hose assemblies (8).
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Disconnect hose assemblies (9). Disconnect harness assembly (10).
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Remove hose assemblies and fittings (11). Disconnect harness assembly (12).
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Remove firewalls (13).
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Remove tube (14) and install Tooling (A).
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Remove bolts (15). Remove main hydraulic pump (16). Installation Procedure
Install main hydraulic pump (16) in the reverse order of removal.