SCREEN AS 7Y4748 - Caterpillar

Install nozzle (27), washer (28), and spring (26) .
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Use Tooling (F) to install housing (25) in the valve assembly.
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Install spring (22), nozzle (23), and washer (24) .
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Install O-ring seal (21) onto plug assembly (20) .
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Install plug assembly (20) .
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Install O-ring seal (18) on plunger (19) .
Install plunger (19), spring (17), and piston (16) in pressure relief valve (14) .
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Install O-ring seal (15) on pressure relief valve (14) .
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Install pressure relief valve (14) .
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Install plug assembly (12) and O-ring seal (13). Tighten plug assembly (12) to a torque of 47 N m (35 lb ft).
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Put housing (3) in a vise and install plug assembly (12) .
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Install bearing ring (11) and two pins (10) in the housing.
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Note: Note the location of the two washers for installation.
Install two washers (9) in each hole.
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Install O-ring (7) and O-ring seal (8) on pipe (5). Repeat for the other pipe.
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Install plate (6) and two pipes (5) .
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Install bolts (4), the washers, and housing (3). Tighten bolts (4) to a torque of 180 N m (133 lb ft).
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Install plug (2) in housing (1) on the hook winch motor.End By: Install the hook winch motor. Refer to Disassembly and Assembly, "Hook Winch Motor - Install" for the machine that is being serviced.