CORE AS-OIL COOLER 8N1267 - Caterpillar

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Remove piston assemblies (15) and the retainer from barrel assembly (16).
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Remove retaining ball (17) from barrel assembly (16).
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Sudden release of spring force can cause injury.To prevent the possibility of injury, follow the procedure to relieve the spring pressure.
Use a suitable press and Tooling (A) to compress spring (20) in barrel assembly (16).
Remove retaining ring (21) from barrel assembly (16).
Remove spring (20), guide (19), and pins (18) from barrel assembly (16).
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Remove control piston (22).
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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.
Note: To release piston rod (23) from the swashplate, lift the swashplate a little and move the piston rod sideways.
Remove piston rod (23).
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Remove swashplate (24).
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Remove spring (25).
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Remove bearings (26).
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Remove shaft assembly (27).
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Remove retaining ring (28) and lip seal (29).
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Remove plugs (30) and the O-ring seals from pump body (5).
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Remove bearing cup (31) from pump body (5).
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Use Tooling (B) and a suitable press to remove bearing cone (32) from shaft assembly (27).