DRIVE GP- 5367287 - Caterpillar

178-9572 Turbocharger (Water Cooled)
Different shields are required for the new 178-9572 Turbocharger (Water Cooled) for the following machines.
D8R (S/N: 7XM1-4715)
D8R (S/N: 9EM1-870)The following shields are required.
One 191-1134 Turbocharger Shield Assembly
One 191-1133 Turbocharger Shield Assembly
One 191-1132 Turbocharger Shield Assembly
One 192-2095 Shield
Illustration 1 g00741459
Location of shields (1) 191-1132 Turbocharger Shield Assembly (2) 192-2095 Shield (3) 191-1134 Turbocharger Shield Assembly (4) 191-1133 Turbocharger Shield Assembly The "Air/Fuel Ratio Dynamic" setting must be adjusted on the engines that are listed in Table 1 in order to achieve the same response after the new 178-9572 Turbocharger (Water Cooled) has been installed. Refer to Table 1 for the "Air/Fuel Ratio Dynamic" setting. Engines that are not in the serial number range that is shown in Table 1 do not require adjustment. Refer to Testing and Adjusting, SENR1028, "3406C Engine for Caterpillar Built Machines", "Fuel Ratio Control Adjustment" for the adjustment procedure.
Table 1
178-9572 Turbocharger (Water Cooled)    
Application     Serial Number Range     "Air/Fuel Ratio Dynamic" Setting    
D8R     S/N:7XM1-4715
S/N:9EM1-870     +
0.54 mm (0.021 inch)    A 121-0173 Information Plate is required. Mark the 121-0173 Information Plate in order to record the new "Air/Fuel Ratio Dynamic" setting. Mark the 121-0173 Information Plate after the "Air/Fuel Ratio Dynamic" setting has been adjusted. Refer to the "Stamp the Information Plate" section of this article.179-5922 Turbocharger
The "Air/Fuel Ratio Dynamic" setting must be adjusted on the engines that are listed in Table 2 in order to achieve the same response after the new 179-5922 Turbocharger has been installed. Refer to Table 2 for the "Air/Fuel Ratio Dynamic" setting. Engines that are not in the serial number range that is shown in Table 2 do not require adjustment. Refer to Testing and Adjusting, SENR1028, "3406C Engine for Caterpillar Built Machines", "Fuel Ratio Control Adjustment" for the adjustment procedure.
Table 2
179-5922 Turbocharger    
Application     Serial Number Range     "Air/Fuel Ratio Dynamic" Setting    
980G     S/N:2KR1-3750
S/N:2SR1-610
S/N:9CM1-1600     +
0.65 mm (0.026 inch)    
824G     S/N:4SN1-460     +
0.77 mm (0.030 inch)    
825G     S/N:6RN1-375    
826G     S/N:7LN1-600    
D8R     S/N:7XM1-4715
S/N:9EM1-870     +
0.54 mm (0.021 inch)    
583R     S/N:2XS1-565    A 121-0173 Information Plate is required. Mark the 121-0173 Information Plate in order to record the new "Air/Fuel Ratio Dynamic" setting. Mark the 121-0173 Information Plate after the "Air/Fuel Ratio Dynamic" setting has been adjusted. Refer to the "Stamp the Information Plate" section of this article.Stamp the Information Plate
Illustration 2 g00741278
121-0173 Information Plate (A) Stamp "USE THIS A/F RATIO SETTING" here. (B) Stamp the new value for the "Air/Fuel Ratio Dynamic" Setting here.
Mark out the former value for the "Air/Fuel Ratio Dynamic" (A/F Ratio Dynamic) Setting on the original information plate. The information plate is located on the top of the valve cover.
Stamp the new value for the "Air/Fuel Ratio Dynamic" Setting on a new 121-0173 Information Plate. Also stamp the new 121-0173 Information Plate with all the engine information from the original information plate. Refer to Illustration 2.
Stamp "USE THIS A/F RATIO SETTING" in