O-RING 63020029 - Caterpillar

Assembly Procedure
Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.
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Install seal (18) to motor (1) .
Install retaining ring (17) to motor (1) .
Install seal (16) to motor (1) .
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Install seals (14) and (15) to plate (13).
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Install plate (13) to motor (1) .
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Install driven gear (12) and drive gear (11) to motor (1) .
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Install plate (10) to motor (1) .
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Install O-ring seal (9) to motor (8) .
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Install body (8) to motor (1) .
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Install seals (7) and (6) to motor (1) .
Install O-ring seal (5) to motor (1) .
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Install cover (4) to motor (1) .
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Install bolts (3) to motor (1) .
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Install nut (2) to motor (1) .End By: Install the gear motor (fan drive). Refer to Disassembly and Assembly, "Gear Pump (Fan Drive) - Install".