CYLINDER & SEAL GP-BUCKET 5044611 - Caterpillar

Illustration 1 g03452501
Table 1
Specification for 8N-1984 Connecting Rod    
Item     Qty     Part     Specification Description    
A     The bearing joint for the bearing for the piston pin must be positioned to the following angle above the centerline on either side is 10 degrees.    
B     The connecting rod may be heated from 177 to 260 °C (350 to 500 °F) for the installation of the bearing for the piston pin. Distance for heating the connecting rod is
72.6 mm (2.86 inch)    
C     1     8N-1985 Connecting Rod Bearing     Thoroughly lubricate the piston pin with clean engine oil prior to assembly of the piston and the connecting rod.
Bore in the bearing for the piston pin after installation of the bearing is
38.1432 0.0076 mm (1.50170 0.00030 inch).
Bore in the connecting rod for the bearing is
41.288 0.013 mm (1.6255 0.0005 inch).    
D     -     -     Distance between the center of the bearings is
243.71 mm (9.595 inch).    
F     -     -     Bore in the connecting rod for the bearing for the crankshaft connecting rod journal is
82.550 0.013 mm (3.2500 0.0005 inch).
Clearance between the connecting rod bearing and the crankshaft bearing surface is
0.076 0.168 mm (0.0030 0.0066 inch).    
1     2     1P-9956 Bolt     Use the following procedure in order to tighten the bolts:
1. Before assembly, apply Molylube on the bolt threads, the bolt shank, and the bolt seat.
2. Tighten the nuts to
40 4 N m (30 3 lb ft).
3. Again, tighten the nuts to
40 4 N m (30 3 lb ft).
4. Tighten each bolt for an additional angle of 90 5 degrees.