TUBE AS 2181128 - Caterpillar

Table 1
Item    Qty    New Part Number    Description    Former Part Number    
1     1     207-7321     Center Arm     135-5271    
2     1     201-4758     Shim Pack     -    
3     1     201-4759     Lock     135-5260    
4     2     8T-0656     Bolt     8T-0070    
Illustration 1 g00835659
Illustration 2 g00835660
Section (A-A)
Illustration 3 g00835726
Use a new 207-7321 Center Arm (1) .
Install 8X-1834 Pin (A), two 8T-0656 Bolts (4), and two 8T-3282 Hard Washers (B) .
Tighten the bolts to a torque of 250 10 N m (185 8 lb ft). Check the torque of the previous bolt. Continue to check the torque until the bolts do not move at a torque of 250 10 N m (185 8 lb ft).
Slip 201-4759 Lock (3) and 201-4758 Shim Pack (2) into the center slot. Use as many thick shims and thin shims as necessary. Install the shims and the lock while the bolts are torqued.
Loosen and remove the bolts (4). Install lock (3) with the previously determined shims (2). Add one additional thin shim.Note: Do not use more than two thin shims in the final pack. If three thin shims are required, substitute one thick shim for the three thin shims.
Install the bolts and washers.
Tighten the bolts to a torque of 350 10 N m (258 8 lb ft). Check the torque of the previous bolt. Continue to check the torque until the bolts do not move at a torque of 350 10 N m (258 8 lb ft).
Turn the first bolt by an additional 90 to 100 degrees.
Mark the second bolt and torque the second bolt to 250 10 N m (185 8 lb ft). If the bolt turns go to Step 6 and add an additional thin shim. If the bolt did not turn, turn the second bolt by an additional 90 to 100 degrees.