AP655F and AP655F L Asphalt Pavers Propel System Caterpillar


Front Idler (Steel Track)

Usage:

AP655F 452


Illustration 1g06253282

Table 1
Item  Qty  Part  Specification Description 
4D-3882 Bearing Cone  Before assembly, pack the bearing with 458-0188 Grease. 
006-7232 Bearing Cone  Before assembly, pack the bearing with 458-0188 Grease. 
269-2218 Lock Plate  Bend up the lock plate against the flat side of the bolt head. 
8T-4139 Bolt  Use the following procedure in order to adjust the bearings:

1. Adjust the bearing end play within 0.030 to 0.130 mm (0.0012 to 0.0051 inch).
2. Use the 25.4 mm (1.00 inch) gauge block in order to measure the depth in three places.
3. Tighten the three M12 bolts to a torque of 18 N·m (159 lb in) while rotating the roller.
4. Loosen the three M12 bolts and again tighten the three M12 bolts to 9 N·m (80 lb in) while rotating the roller.
5. Measure the distance between the face of the gauge block and the end of the spindle. Take an average of the three measurements.
6. Take an average of the three measurements from Step 5 and minus the gauge block from Step 2. Then, add 0.20 mm (0.008 inch) to the shims.
7. Install the shim packs (5) and tighten the bolts to 92 N·m (68 lb ft)
7R-0229 Shim  Thickness is 0.13 mm (0.005 inch)
3 7R-0230 Shim  Thickness is 0.18 mm (0.007 inch)
5 7R-0231 Shim  Thickness is 0.51 mm (0.020 inch)
8C-8422 Sealant  Before assembly, apply the sealant between the plate cover and the idler. 

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