SEAL ASSEM. 8J8719 - Caterpillar

Assembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1P-1853     Retaining Ring Pliers     1    Note: Cleanliness is an important factor. Before assembly, thoroughly clean all parts in cleaning fluid. Allow the parts to air dry. Do not use wiping cloths or rags to dry parts. Lint may be deposited on the parts which may cause trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement. Dirt and other contaminants can damage the precision component. Perform assembly procedures on a clean work surface. Keep components covered and protected at all times.Note: Check the O-ring seals, the gaskets, and the seals for wear or for damage. Replace the components, if necessary.
Care must be taken to ensure that fluids are contained during performance of inspection, maintenance, testing, adjusting and repair of the product. Be prepared to collect the fluid with suitable containers before opening any compartment or disassembling any component containing fluids.Refer to Special Publication, NENG2500, "Caterpillar Dealer Service Tool Catalog" for tools and supplies suitable to collect and contain fluids on Caterpillar products.Dispose of all fluids according to local regulations and mandates.
Illustration 1 g01209518
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.
Install ball (12), spring (13), and retainer (14). Use Tooling (A) in order to install retaining ring (15).
Install slug (16) .
Illustration 2 g01209507
Install spool assembly (11) .
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Install spring (10), O-ring seal (9), and load piston (8) .
Illustration 4 g01209465
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.
Install adjustment screw (7) to the original location. Install cover (5) and bolts (6). Tighten bolts (6) to a torque of 28 7 N m (21 5 lb ft).
Illustration 5 g01209450
Install O-ring seal (4) .
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Install cover (3) and bolts (2). Tighten bolts (2) to a torque of 28 7 N m (21 5 lb ft).
Illustration 7 g01209440
Install O-ring seal (1) .End By: Install the relief valve. Refer to Disassembly and Assembly, "Relief Valve (Transmission Hydraulic Control) - Install".