GEAR (23 Teeth) 5M6181 - Caterpillar

Illustration 1 g03820367
Right side view
Table 1
Specification for 383-1771 Cylinder Block Gp    
Item    Qty    Part    Specification Description    
1     24     6V-4589 O-Ring Seal     Before assembly, lubricate the bore lightly with clean engine oil.    
2     32     6V-3539 Dowel     Protrusion (B) of the dowel is
60.0 1.0 mm (2.36 0.04 inch).    
3     35     6V-3538 Dowel     Protrusion (C) of the dowel is
8.0 1.0 mm (0.31 0.04 inch).    
4     2     3P-0656 O-Ring Seal     Before assembly, lubricate the bore lightly with clean engine oil.    
5     4     7N-2328 Dowel     Protrusion (F) of the dowel is
20.0 1.0 mm (0.79 0.04 inch).    
6     1     3P-0651 O-Ring Seal     Before assembly, lubricate the bore lightly with clean engine oil.    
7     18     8L-2786 O-Ring Seal     Before assembly, lubricate the bore lightly with clean engine oil.    
Illustration 2 g03820369
Table 2
Item     Qty     Part     Specification Description    
8     64     187-0450 Taperlock Stud     Use the following procedure to install the taperlock stud in the cylinder block:
1. Coat the upper half of each taperlock stud with
1.5 mm (0.06 inch) thick coating of 4C-4774 Water and Temperature Resistant Grease.
2. Install taperlock stud in the cylinder block.
3. Tighten the taperlock stud to
100 20 N m (74 15 lb ft).
4. Coat the upper half of each taperlock stud with
1.5 mm (0.06 inch) thick coating of 4C-4774 Water and Temperature Resistant Grease.    
H     -     -     Bore in cylinder block for main bearing is
265.00 0.02 mm (10.433 0.001 inch).    
J     -     -     The distance from the centerline of the crankshaft bearing bore to the top of the cylinder block is
946.0 mm (37.24 inch).    
K     -     -     The distance from the centerline of the crankshaft bearing bore to the bottom of the cylinder block is
405.0 mm (15.94 inch).    
9     9     124-1836 Bearing Cap As     The Bearing cap assembly must be installed with the part number toward the front of the block. The number of the main bearing cap must also match the cast number on the left side of each main bearing saddle.    
Width in the cylinder block for the bearing cap assembly is
500.00 0.05 mm (19.685 0.002 inch).
Width (L) of bearing cap assembly is
499.95 0.03 mm (19.683 0.001 inch).
Protrusion of 6V-3538 Dowel from the bearing cap assembly is
10.0 0.5 mm (0.39 0.02 inch).
Illustration 3 g03820370
Table 3
Item     Qty     Part     Specification Description    
10     18     1W-0121 Taperlock Stud     Use the following procedure in order to tighten the main bearing assembly:
1. Again, tighten taperlock stud (10) in the cylinder block to
100 20 N m (74 15 lb ft).
2. Assemble bearing cap assembly,