BRACKET-SENSOR 4698798 - Caterpillar

Illustration 1 g03860843
BeforeBearing housing with cup open toward the top.
Illustration 2 g03861108
AfterBearing housing with cup open toward the bottom.
Illustration 3 g03861132
(A) Butterfly bracket (1) Bearing housing (2) Bolts (3) Retainer (4) Bearing
Illustration 4 g03507996
Table 1
Required Parts List    
Item    Qty    Part Number    Description    
1     1     379-2002     Housing    
2     10     9X-8271     Bolt    
3     1     376-6434     Retainer    
4     1     197-6440     Bearing    Rework Procedure
Remove the blade from the machine.
Remove the bolts, bearing, and the retainer. Discard the parts.
Flame cut the current housing (1) from butterfly bracket (A) .
Illustration 5 g03507982
Arrow shows the ground location on the butterfly bracket.
Grind the cut location to obtain a smooth surface. Refer to Illustration 5.
Illustration 6 g03507980
The upper three arrows show the location for bolts. The arrow on the right side shows the location for the grease zerk.
Illustration 7 g03507979
(B) Dimension is 27.0 1.0 mm (1.06 0.04 inch)
Illustration 8 g03507977
(W1) 20 mm (0.8 inch) bevel weld (W2) 8 mm (0.3 inch) fillet weld from (C) to (D) with 1.5 mm (0.06 inch) root penetration on both sides
Tack weld new housing (1). Ensure that maximum number of holes are located into the butterfly bracket (A) during housing orientation. This housing must be tack welded in the position as shown in Illustration 6 and 7.Note: There should be a maximum of three bolt holes outside of the butterfly bracket.
Weld the top and the bottom of the housing to the butterfly bracket. Then weld the joint at both ends of the butterfly bracket and the housing. Refer to Illustration 8 for weld dimensions.
Install new bearing (4) and retainer (3) .
Install ten new bolts (2). Torque bolts (2) to 55 10 N m (41 7 lb ft). Apply yellow paint on housing (1) and retainer (3) .
Illustration 9 g03507978
(E) Dimension is 136 mm (5.4 inch) (F) Dimension is 23.6 mm (0.93 inch) (G) Dimension is 16.3 mm (0.64 inch)
Before reinstalling the blade on the C-Frame tower, ensure that the dimension between the top of the sleeve and the casting is approximately (F) to avoid interference during the blade movement. Adjust the sleeve height as needed in order to position the bearing in the middle of the two casting eyes. The dimension between the two casting eyes should be approximately (E). When the blade is assembled, the gap between the retainer and the casting should be approximately (G). Refer to the Illustration 9.
Reinstall the blade onto the machine.Refer to the appropriate Special Instruction, "Installation and Removal of the V-PST Bulldozer" for your machine.
Start the machine and move the blade. Ensure that there is no interference.