KIT-GAUGE 5453121 - Caterpillar

Illustration 1 g02795503
Table 1
Specification for 266-7988 Boom Cylinder Gp    
Item     Qty     Part Number     Specification Description    
1     1     235-7771 Bushing     During the press fit, insert the bushing in the rod assembly with the tapered side first.    
Bore before assembly is 90.16 0.02 mm (3.550 0.001 inch).
Installation depth is
10 mm (0.4 inch).
2     12     4I-3628 Bolt     Torque to
367 55 N m (271 41 lb ft).    
3     1     228-5654 Bushing     During the press fit, insert the bushing in the cylinder assembly with the tapered side first.    
Bore before assembly is
100.18 0.02 mm (3.944 0.001 inch).
Installation depth is
10 mm (0.4 inch).
4     1     133-6904 Lip Type Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
5     1     121-1371 U-Cup Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
6     1     204-3623 Buffer Seal     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
C     1     234-4568 Rod As     Diameter is
100 mm (3.9 inch).    
D     1     234-4567 Cylinder As     Bore is
140 mm (5.5 inch).    
7     1     126-1876 Seal Ring     The slit of the seal ring must turn in the direction of the piston.    
8     1     096-1570 Seal As     Lubricate the sealing lip lightly with the lubricant that is being sealed.    
9     1     3B-8489 Grease Fitting     Torque to
9.32 4.90 N m (82.49 43.37 lb in).    
10     1     247-8873 Piston     Torque to
8900 445 N m (6564 328 lb ft).    
11     1     096-6210 Socket Setscrew     Torque to
56.9 10.7 N m (42.0 7.9 lb ft).    
After tightening the setscrew, stake the setscrew in two places.
12     1     096-5625 Bushing     Outside diameter before assembly is
105.0 mm (4.13 inch).    
Thickness is
2.47 mm (0.097 inch).