C13, C15, and C18 Tier 4 Final Engines Water Pump Caterpillar


Water Pump
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Illustration 1g06500181

Table 1
Item  Qty  Part  Specification Description 
371-6782 Pump Impeller  Installation depth of impeller (D1) is 11.71 ± 0.20 mm (0.461 ± 0.008 inch)
361-8234 Water Pump Gear  Press the water pump gear until the water pump gear is flush with the bearing (2). 
203-3831 Cup Plug  Maximum installation depth of the cup plug from the machined surface is 0.5 mm (0.02 inch). Orient the cup plug as shown in the Illustration 1, within ±10 degrees. 
153-1256 Lip Type Seal  Install the lip type seal with the primary lip toward the water pump drive gear. Press the oil seal with a press until the oil seal is flush with face of housing as shown in the Illustration 1.
Use installation tool. Do not install the lip type seal by hand. 
336-2212 Water Pump Seal As  Press the water pump seal assembly onto the shaft until the cup is fully seated inside the pump housing. Use installation tool.
Installation height (D2) is 9.90 ± 0.38 mm (0.390 ± 0.015 inch)
Maximum air leakage per minute with an air pressure test of 140 kPa (20 psi).
Water side not to exceed 10 cc (0.6 cubic inch).
Oil side not to exceed 24 cc (1.5 cubic inch)

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