PISTON-CLUTCH 3P0784 - Caterpillar

Illustration 1 g02570218
Typical example
Table 1
Specification for the 291-4311 Auxiliary Water Pump Gp
Item Qty Part Specification Description
A 1 212-8179 Shaft Width of groove in the shaft for thrust washer is 6.25 0.05 mm (0.246 0.002 inch).
B 2 5N-4383 Thrust Washer Thickness of the new thrust washer is 6.000 0.025 mm (0.2362 0.0010 inch).
C 1 212-8179 Shaft Bore in the sleeve bearing for auxiliary drive shaft is 75.000 0.055 mm (2.9528 0.0022 inch).
Diameter of new auxiliary drive shaft (not shown) is 74.900 0.015 mm (2.9488 0.0006 inch).
D 1 212-8183 Impeller Bore diameter of the impeller is 19.000 0.013 mm (0.7480 0.0005 inch).
Diameter in the shaft for impeller is 19.050 to 19.063 mm (0.7500 to 0.7505 inch).
E 1 127-5400 Bushing Installation depth of the bushing in the housing assembly is 1.5 0.5 mm (0.06 0.02 inch).
1 1 9X-4594 Lip Type Seal Do not lubricate the sealing lip of the lip type seal.
Minimum leakage per minute for the lip type seal at 138 kPa (20 psi) of air pressure is less than 24 cc (1.5 cu in).
Minimum leakage per minute for the water pump seal assembly at 138 kPa (20 psi) of air pressure is less than 20 cc (1.2 cu in).
3 1 212-8179 Shaft Lubricate the shaft with a thin film of clean engine oil before pressing the impeller (2) onto the shaft. The end of the shaft must be flush with the face of the impeller within 0.076 mm (0.003 inch).
4 1 235-3546 O-Ring Seal Lubricate the bore of the O-ring seal lightly with sealant that is being sealed.
5 1 9M-3786 O-Ring Seal Lubricate the bore of the O-ring seal with clean engine oil, glycerin, or clean water.