SPRING (outer) 3N8545 - Caterpillar

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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.
Note: There is spring force against retaining ring (21). When retaining ring (21) is removed, the spring force will be released. Removal of the internal components in barrel (16) should be performed in a press. This is done in order to retain spring (20) and retaining ring (21).
Use a press and Tooling (A) to compress the spring in barrel assembly (16).
Use Tooling (B) to remove retaining ring (21) from barrel assembly (16).
Remove retaining ring (21), spring (20), guide (19), and pins (18) from barrel assembly (16).
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Move the swashplate up and down in order to remove the 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: In order 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).
Use Tooling (A) to remove seal (29).
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Remove two plugs (30) from pump body (5). Inspect the O-ring seals on the plugs. Replace the O-ring seals, if necessary.
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Remove bearing cup (31) from pump body (5).
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Use Tooling (C) and a suitable press to remove bearing cone (32) from shaft assembly (27).