ELBOW 1880791 - Caterpillar

Illustration 10 g01423529
(W) 234-0740 Motor Frame (25) 305-9265 Tensioner (11) 8T-9311 Bolt (16) 212-6559 Locknut
Connect the top shaft of the new tensioner (25) to motor frame (W). Use the new bolt (11) and the new locknut (16). See Illustration 10.Note: The bottom shaft of tensioner (25) has been preassembled to the new undercarriage with pin (19) and with bolt (9) .
Illustration 11 g01423150
(P) 132-8584 Nut
Install the sprocket group. Secure the sprocket group with12 nuts (P) which were retained in Step 3.b. See Illustration 11.
Illustration 12 g01422509
(21) 278-1240 Sprocket Bearing Gp
Install the new sprocket bearing (21) onto the motor shaft. See Illustration 12.
Illustration 13 g01422666
(2) 2J-7550 Retaining Ring
Install the new retaining ring (2). See Illustration 13.
Illustration 14 g01423422
(A) 212-6530 Plate As (D) 5P-2566 Bolt (E) 3B-4508 Lockwasher (F) 9X-0941 Locknut (3) 5P-2566 Bolt (4) 3B-4508 Lockwasher
Install bearing plate (A). Secure the bearing plate to the sprocket bearing with four new bolts (4) and with four new lockwashers (3). See Illustration 14.Then, secure the bearing plate to the motor frame with three bolts (D), three lockwashers (E), and three locknuts (F) which were retained in Step 3.a.
Illustration 15 g01423070
(23) 278-1259 Cap
Install the new cap (23). See Illustration 15.
Illustration 16 g01423563
Install the new retaining ring (7). See Illustration 16.
Reinstall the track.Refer to Disassembly and Assembly, "Track (Rubber) - Remove and Install" Manual for your machine.
Tension the track.Refer to Disassembly and Assembly, "Track (Rubber) - Detension and Tension" Manual for your machine.Note:
Repeat this procedure for the remaining undercarriage.Appendix
Service Parts
Table 2
278-1255 Undercarriage Frame Gp    
Item    Quantity    Part Number    Description    
22A     2     280-5030     Idler Wheel Gp    
22B     12     280-5038     O-Ring Seal    
22C     12     280-5074     Washer    
22D     12     280-5075     Locknut    
22E     8     295-3210     Bogie Wheel Gp    
22F     1     348-9693     Track Roller Frame Gp    
22G     2     295-3230     Idler Wheel Gp    
22H     12     295-3292     Cap    
22I     6     295-3295     Wheel Axle    
22J     12     2R-1236     Retaining Ring