CANISTER AS-BREATHER 1654021 - Caterpillar

Install pistons (24) and retainer plate (25).
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Wrap a piece of nylon string around the pistons, as shown.
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Lower rotating assembly (23) into the pump. Use the nylon string in order to hold the assembly together during installation. Remove the nylon string.
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Install head assembly (22B) and bolts (22A).
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Install spool (22).
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Install spool (21A) and the O-ring seals.
Use Tooling (B) in order to install retaining ring (21).
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Install block (20A) and bolts (20).
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Install the O-ring seals and valve (19).
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Install the O-ring seals and valve (18).
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Install the O-ring seals and valve (17).
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Install gear (14), gear (16), coupling (15), and O-ring seal (13).
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Install plate (12) and plugs (11).
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Install the O-ring seal, pump (10), and bolts (9).
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Install bevel washer (8).
Install O-ring seal (7) onto cover (6).
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Install cover (6) and bolts (5).
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Remove the O-ring seals, controller (4), and bolts (3).
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Install the gasket, cover (2), and bolts (1). End By:
Install boom winch pump.