HOSE AS 4Y9086 - Caterpillar

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Install swashplate assembly (51) into pump housing (33) .
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Install piston assemblies (50), retraction plate (49), and bearing (52) onto swashplate assembly (51) .
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Install barrel assembly (47) and spacer (48) into pump housing (33) .
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Install bearing cone (42) onto the pump shaft.
Install valve plate (45) onto the barrel assembly.
Position spring (44) and control piston (43) onto the swashplate assembly.
Install O-ring seal (46) onto pump housing (33) .
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Install O-ring seals (37) onto break off plug (34) .
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Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Position break off plug (34) on pump housing (33), as shown. Install socket head bolts (35). Tighten socket head bolts (35) to a torque of 165 30 N m (122 22 lb ft).
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Install valve stem (28), spring retainer (29), spring (30), spring (31) and seat (32) into pressure and flow compensator valve (2) .
Install O-ring seal (19) onto plug (20) .
Install adjustment screw (23), seal (21), adjustment nut (22), seal (24) and cap nut (25) into plug (20) .
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install plug (20) into pressure and flow compensator valve (2) .
Install seal (27) and plug (26) into pressure and flow compensator valve (2) .
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Install valve stem (5), spring retainer (6), spring (7), spring (8), and seat (15) into pressure and flow compensator valve (2) .
Improper assembly of parts that are spring loaded can cause bodily injury.To prevent possible injury, follow the established assembly procedure and wear protective equipment.
Install O-ring seal (16) onto plug (17) .
Install adjustment screw (18), seal (9), adjustment nut (10), seal (11) and cap nut (12) onto plug (17) .
Install plug (17) into pressure and flow compensator valve (2) .
Install seal (14) and plug (13) into pressure and flow compensator valve (2) .
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Install O-ring seals (4) onto pressure and flow compensator valve (2) .
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Position pressure and flow compensator valve (2) on steering piston pump (1), as shown. Install socket head bolts (3) .End By: Install the piston pump.