VALVE GP-MAIN CONTROL 3568643 - Caterpillar

Illustration 1 g01004943
(1) Idler gears (2) Cluster idler gear An engine that is equipped with the 4P-8342 Rear Gear Gp contains two 4P-5440 Idler Gears that have bearings which are made of bronze material. The 115-5281 Idler Gear has a bearing which is made of an aluminum material that is more resistant to the corrosive environment. The 115-5281 Idler Gear can be used in place of the 4P-5440 Idler Gear .An engine that is equipped with the 4P-8342 Rear Gear Gp also contains a 107-2477 Cluster Idler Gear that has a bearing which is made of bronze material. The 115-5277 Cluster Idler Gear has a bearing which is made of an aluminum material that is more resistant to the corrosive environment. The 115-5277 Cluster Idler Gear can be used in place of the 107-2477 Cluster Idler Gear .Refer to Table 1.
Table 1
4P-8342 Rear Gear Gp    
Original
Idler Gear (Bronze Bearing)     Replacement
Idler Gear (Aluminum Bearing)    
4P-5440 Idler Gear     115-5281 Idler Gear    
107-2477 Cluster Idler Gear     115-5277 Cluster Idler Gear