G3500 Engines Caterpillar


Auxiliary Water Pump

Usage:

G3512 E2C


Illustration 1g03194756

Table 1
Specification for 378-7411 Auxiliary Water Pump Gp 
Item  Qty  Part  Specification Description 
5N-4383 Thrust Washer  Thickness of the new thrust washer is 6.000 ± 0.025 mm (0.2362 ± 0.0010 inch).
Width (A) of groove in the shaft for thrust washer is 6.25 ± 0.05 mm (0.246 ± 0.002 inch)
9X-4594 Lip Type Seal  Do not lubricate the sealing lip of the lip type seal. 
235-3546 O-Ring Seal  Before assembly, lubricate the bore lightly with 5P-3975 Rubber Lubricant. 
9M-3786 O-Ring Seal  Before assembly, lubricate the bore lightly with 5P-3975 Rubber Lubricant. 
212-8183 Impeller  Bore in the impeller for the shaft is 19.000 ± 0.013 mm (0.7480 ± 0.0005 inch)
212-8179 Shaft  Lubricate the shaft with a thin film of clean engine oil before pressing the impeller (5) onto the shaft. The end of the shaft must be flush with the face of the impeller within 0.15 mm (0.006 inch).
Diameter of the shaft to the impeller end is 19.050 to 19.063 mm (0.7500 to 0.7505 inch)
127-5400 Bushing  After assembly, bore in the bushing for auxiliary drive shaft is 75.000 ± 0.055 mm (2.9528 ± 0.0022 inch).
Installation depth (B) is 1.5 ± 0.5 mm (0.06 ± 0.02 inch)

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