ELECTRICAL AR 2374931 - Caterpillar

(1) Seal groove. Prior to installation lubricate bore in engine front cover, where seal groove and seal will slide, with engine oil.(2) Lip type seal. Install as shown.(3) Shaft diameter on drive gear end ... 29.987 0.008 mm (1.1806 .0003 in)(4) Distance from surface in pump housing to top of seal assembly must be ... 12.83 0.13 mm (.505 .005 in)(5) Clearance between impeller and pump housing ... 1.50 0.30 mm (.059 .012 in)(6) Filter. Install filter flush with pump housing.(7) Shaft diameter on impeller end ... 15.912 0.006 mm (.6265 .0002 in)(8) Seal assembly.