PUMP 5453619 - Caterpillar

Required Parts
Table 2 lists the part numbers for the new bearing sleeves and the corresponding dimensions.Refer to Illustration 1 for the outer diameter dimension of 185-7221 Bearing Sleeve and Illustration 2 for the outer diameter dimension of 391-2254 Bearing Sleeve .
Table 2
Required Parts    
Item
Number    New
Part
Number    Description    Height (1)    Length (1)    Former
Part
Number    Qty    
(1)     391-2254     Bearing Sleeve (B Pin)    
122.15 0.013 mm (4.8091 0.0005 inch)    
67 0.5 mm (2.6378 0.0197 inch)     185-7221     4    
(2)     391-2255     Bearing Sleeve (Outer C Pin)    
101.95 0.013 mm (4.0138 0.0005 inch)    
54 0.5 mm (2.1259 0.0197 inch)     -     2    
(3)     391-2256     Bearing Sleeve (Inner C Pin)    
101.95 0.013 mm (4.0138 0.0005 inch)    
49 0.5 mm (1.9291 0.0197 inch)     -     2    
( 1 ) Dimension of new bearing sleeves.
Illustration 1 g02902998
185-7221 Bearing Sleeve (A) 112.060 0.013 mm (4.41180 0.0005 inch)
Illustration 2 g02903997
391-2254 Bearing Sleeve (B) 122.15 0.013 mm (4.80905 0.0005 inch)Procedure to Rework Bucket Pin Bores
Illustration 3 g02902979
Rear View of Bucket (C) Outer pin bore "C" (D) Inner pin bore "C" (E) Pin bore "B" (F) 110 mm (4.33 inch) (G) 460 mm (18.11 inch)
Document the size of each of the following bores: upper pin (C), upper pin (D) and lower pin (E) .
Remove the bearing sleeves from the four locations for lower pin (E) .
Verify that dimensions (F) and (G) are correct before boring the following: upper pin (C), upper pin (D) and lower pin (E). Refer to View A-A of Illustration 3 for the machining dimensions of (F) and (G) .
Over bore upper pin bores (C) and (D) to the new diameter of 101.78 0.05 mm (4.007 0.002 inch).
Over bore lower pin bore (E) locations to the new diameter of 121.93 0.05 mm (4.800 0.002 inch).
Press the bearing sleeves into the bore so that the bearing sleeves are flush with the inside face of the hinge plates.
Insert 391-2254 Bearing Sleeve (B Pin) (1) into lower pin (E) .
Insert 391-2255 Bearing Sleeve (Outer C pin) (2) into upper pin (C) .
Insert 391-2256 Bearing Sleeve (Inner C pin) (3) into upper pin (D) .
Verify that the bearing sleeves do not protrude beyond the inside face of the hinge plates.
Verify that the bores with the new bearing sleeves are within the previously mentioned specifications:
"B" pin bores: 89.05 0.15 mm (3.5059 0.0059 inch) at 0 degrees and 90 degrees
"C" pin bores: 76.35 0.15 mm (3.0059 0.0059 inch) at 0 degrees and 90 degrees