CYLINDER & LINES GP-BUCKET 1276616 - Caterpillar

Illustration 1 g02661300
Table 1
Specification for 223-4434 Relief Valve Gp (TRANSMISSION HYDRAULIC CONTROL)    
Item     Qty     Part     Specification Description    
1     3     321-8641 Plug As     Torque to
4.5 1.0 N m (39.8 8.9 lb in).    
2     2     164-5567 Quick Disconnect Coupler As     Torque to
14 4 N m (124 35 lb in).    
3     2     164-6874 Elbow Fitting     Torque to
34 4 N m (301 35 lb in).    
4     1     241-6206 Plug     Torque to
37 7 N m (27 5 lb ft).    
5     1     4M-2381 Spring     Length under test force is
12.2 mm (0.48 inch).
Test force is
2.300 0.182 N (0.517 0.041 lb).
Free length after test is
22.6 mm (0.89 inch).    
6     1     1M-9351 Spring     Length under test force is
81.79 mm (3.22 inch).
Test force is
627 to 689 N (141 to 155 lb).
Free length after test is
109.2 mm (4.30 inch).    
7     1     202-2006 Adjustment Screw     Turning the adjustment screw (7) clockwise increases pump pressure that is measured at pressure tap. Turning the adjustment screw counterclockwise decreases pump pressure that is measured at pressure tap.    Assembly Procedure
Note: Cleanliness is an important factor. Before assembly, all parts should be thoroughly cleaned in cleaning fluid. Allow the parts to air dry. Wiping cloths or rags should not be used to dry parts. Lint may be deposited on the parts which may cause later trouble. Inspect all parts. If any parts are worn or damaged, use new parts for replacement.
Illustration 2 g01168504
Install nipple assemblies (17) in relief valve body (6). The torque for nipple assemblies (17) is 14 4 N m (10 2 lb ft).
Install the O-ring seal and housing plug (16) in relief valve body (6). The torque for housing plug (16) is 37 7 N m (27 5 lb ft).
Install the O-ring seals and housing plugs (15) in relief valve body (6). The torque for housing plugs (15) is 4.5 1 N m (40 9 lb in).
Illustration 3 g00322838
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 check ball (14), ball check spring (13), valve slug (12), spring retainer (11), and retaining ring (10) in spool assembly (7) .
Illustration 4 g00322836
Install spool assembly (7), valve spring (8) and valve piston (9) in relief valve body (6) .
Illustration 5 g00322835
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 relief valve access plate (5) and bolts (4) .
Illustration 6 g00322834
Install the O-ring seal on relief valve cover (3). Install relief valve cover (3) and bolts (2) .
Illustration 7 g00322833
Install O-ring