BAR, SPACER L.H. B139783 - Caterpillar

Illustration 1 g00878554
Illustration 2 g00878543
Bearing (17) is nonserviceable outside the housing. Install ring (16) .
Illustration 3 g00878383
Install collar (15) .
Illustration 4 g00878372
Install holder (14) .
Illustration 5 g00878365
Install spacers (13), races (11), and bearings (12) .
Illustration 6 g00878339
Install four gears (9). Install gear (10) .
Illustration 7 g00878254
Install plate (8) with screws (7). Tighten screws (7) to a torque of 25 5 N m (18 4 lb ft).
Illustration 8 g00878154
Install holder (6) .
Illustration 9 g00878147
Install spacers (5), inner races (4), and bearings (3) .
Illustration 10 g00878038
Install gears (2) .
Illustration 11 g00874263
Place a straight edge across ring gear housing (18), as shown.
Use Tooling (A) to measure Dimension (E) from the top edge of the straight edge to the top of the inner bearing race of one planetary gear. Record Dimension (E) .
Repeat Step 10 and Step 11 for the remaining two planetary gears.
Average the three recorded dimensions.
Illustration 12 g00877395
Use Tooling (A) and the straight edge to measure Dimension (F) from the top edge of the straight edge to the flange surface on the swing drive housing. Record Dimension (F) .
Repeat Step 14 for the two remaining planetary gears.
Average the three recorded dimensions.
Subtract the average of Dimensions (E) from the average of Dimensions (F). Compare the difference with the measurements that are listed in Table 2 in order to choose correct plate (1) for installation in Step 18.
Table 2
Plate (1)    
Measurement     Part Number     Part Description     Qty    
5.3 mm to 5.8 mm     171-9448     Plate     1    
5.8 mm to 6.5 mm     171-9447     Plate     1    
6.5 mm to 7.0 mm     171-9446     Plate     1    
Illustration 13 g00878029
Install plate (1) .End By: Install the swing drive. Refer to Disassembly and Assembly, "Swing Drive - Install".