PISTON STD 0954039 - Caterpillar

Assembly Procedure
Table 1
Required Tools    
Tool    Part Number    Part Description    Qty    
A     1U-9901     Hydraulic Cylinder Repair Stand     1    
3S-6224 Hydraulic Pump     1    
B     8T-5245     Torque Multiplier     1    
1P-0851 Spline Adapter     1    
1P-0852 Male Adapter     1    
5P-1748 Impact Socket (2 1/4 inch)     1    
C     3S-6224     Hydraulic Pump     1    
6V-3160 Hydraulic Puller     1    
5F-7366 Forcing Screw (1 inch by 14 by 13 1/4 inch)     1    
1P-1835 Adapter     1    
1A-1935 Nut (1 inch by 14)     1    
3K-5234 Washer (1 inch)     1    Reference: Refer to Specifications, "Ripper Lift Cylinder" for additional information.
Inspect the O-ring seals for wear and for damage. Replace the components with new components, if necessary. Make sure that the components are clean. Apply clean oil to the surfaces of the components during assembly.
Illustration 1 g00828412
Lower the temperature of sleeve bearings (1) and (8). Use Tooling (C) to install the sleeve bearings in the eyes of the cylinder rod and of the ripper cylinder. The sleeve bearings must be installed even with the bottom surfaces of the counterbores. The correct inner diameter of both bearings after assembly is 76.233 0.083 mm (3.001 0.003 inch).
Install wear ring (16) in cylinder head (12). Install seals (5), (6) and (7) in head (12). Apply clean oil to the lips of the seals.
Install backup ring (14) and install O-ring seal (13) on head (12) .
Install wear ring (3) and install seal (4) on piston (10) .
Install piston (10) on cylinder rod (9) .
Apply clean oil to the threads on the end of cylinder rod (9). Use Tooling (B) in order to tighten nut (2) to a torque of 3800 380 N m (2800 280 lb ft).
Use Tooling (A) to push ripper cylinder (11) onto cylinder rod (9). Install bolts (15) that fasten cylinder head (12) to the ripper cylinder. Tighten bolts (15) to a torque of 620 80 N m (460 60 lb ft).
Remove the ripper cylinder from Tooling (A). The weight of the ripper cylinder is approximately 120 kg (260 lb).End By: Install the ripper lift cylinder on the machine. Refer to Disassembly and Assembly, "Ripper Lift Cylinder - Install".