KNOB AS-STEERING 4190824 - Caterpillar

Remove bolts (22) and head assembly (23).
Illustration 6 g00508081Note: Heat the head to 121°C (250°F) in order to remove dowel rods (26) and (27).
Remove pin (25) and bearing cup (24), if necessary.
Remove dowel rods (26) and (27), if necessary.
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Remove gasket (28), coupler (29), and plate (30).
Remove spring (31) and pistons (32) and (33).
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Exploded view of spring (31), piston (33), coupler (29), plate (30), and piston (32).
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Remove bolts (34) and cover (35).
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Remove plug (36).
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Check the condition of O-ring seal (37) on plug (36) and O-ring seal (38) on cover (35).
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Remove bolts (39) from each side.
Remove bearing (40) and spacer (41) from each side. Remove bearing (42) and the shim.
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Put identification marks on the pistons and the barrel assembly for assembly purposes. Remove barrel assembly (43), piston (44), and guide ring (45).
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Remove pistons (44) and guide ring (45) from barrel assembly (43).
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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.
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Use a suitable press and Tooling (A) to disassemble barrel assembly (43). Compress spring (47) until Tooling (A) is below retaining ring (49). Remove retaining ring (49). Slowly release the compression that is on spring (47). Remove spring (47) and washers (46) and (48).
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Remove shaft (50), swashplate (51), and stops (53) from the swashplate. Remove bearing (52) from the shaft, if necessary.
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Remove bearing cup (54) and two seals (55).
Remove screws (56) and bearings (57).