SENSOR AS-SPEED 1166680 - Caterpillar

Installation Procedure
Table 1
Required Tools    
Tool     Part Number     Part Description     Qty    
A     238-9586     Camshaft Drive Group     1    
C     8T-3168     Pilot Assembly     2    
4J-7945 Bolt     2    
D     8T-3167     Guide Assembly     1    
E     8T-3169     Crank Assembly     1    
Keep all parts clean from contaminants.Contaminants may cause rapid wear and shortened component life.
Illustration 1 g01226804
Typical example
The following steps are for the installation of a camshaft in the G3512 Engines, G3516 Engines, and G3520 Engines. The camshaft is in two pieces.
Install Tooling (D) on the flywheel housing. Do not tighten the bolts on Tooling (D) .
Install Tooling (C) on the end of the front half of the camshaft.
Ensure that the camshaft and the camshaft bearings are clean. Place clean engine oil on the lobes and the journals of the camshaft. Also place clean engine oil on the camshaft bearings.
Attach a suitable lifting device to the front half of camshaft (12). The camshaft for G3512 Engines has a weight of approximately 63 kg (139 lb). The camshaft for G3516 Engines has a weight of approximately 82 kg (181 lb). The camshaft for G3520 Engines has a weight of approximately 100 kg (220 lb). Position the front half of camshaft (12) in the engine until Tooling (C) is in the first camshaft bearing.
Rotate camshaft (12) and tighten the bolts for Tooling (D) .
Rotate camshaft (12) and insert camshaft (12) until camshaft (12) is slightly protruding from Tooling (D) .
Illustration 2 g00579259
Typical example
Illustration 3 g00579148
Typical example
If the dowel was removed from the front half of camshaft (12), install the dowel. The dowel should be 22.0 0.5 mm (0.87 0.02 inch) from the surface of the camshaft.Note: Ensure that the camshafts are installed according to the marks on the ends of the camshafts.
Attach a suitable lifting device to the rear half of camshaft (13). Install spacer (15) and the rear half of camshaft (13) onto the front half of camshaft (12). Install bolts (14) and tighten to a torque of 55 7 N m (41 5 lb ft).
Install Tooling (C) and Tooling (E) on the end of camshaft (13) .
Rotate camshaft (13) and insert the camshaft into the engine.
Remove all Tooling. Repeat Steps 1.a through 1.j