LINING-BRAKE 6Y1948 - Caterpillar

Illustration 1 g03146776
Table 1
Specification for 7C-1772 Engine Oil Pump Gp
Item Qty Part Specification Description
Before you install the pump, lubricate the moving parts with clean engine oil. Rotate the pump by hand in order to ensure that the pump rotates freely.
1 1 145-8503 Idler Shaft Assembly Diameter of the new shaft over bushing (3) end is 20.320 0.005 mm (0.8000 0.0002 inch).
Diameter of the new shaft over gear (5) end is 22.217 0.005 mm (0.8747 0.0002 inch).
Bore in the bushing for the new shaft is 20.361 0.008 mm (0.8016 0.0003 inch).
Installation depth (B) of the bushing is 1.52 mm (0.060 inch).
Distance (D) from the end of the shaft to the gear (5) face is 36.50 0.25 mm (1.437 0.010 inch).
2 1 202-3572 Drive Shaft As Diameter of the new shaft over bushing (3) end is 20.320 0.005 mm (0.8000 0.0002 inch).
Diameter of the new shaft over gear (5) end is 22.217 0.005 mm (0.8747 0.0002 inch).
Bore in the bushing for the new shaft is 20.361 0.008 mm (0.8016 0.0003 inch).
Installation depth (B) of the bushing is 1.52 mm (0.060 inch).
Distance (C) from the end of the shaft to the gear (5) face is 53.00 0.25 mm (2.087 0.010 inch).
4 1 236-6733 Spring Length under test force is 82.87 mm (3.263 inch).
Test force is 709 35 N (159 8 lb).
Free length after test is 130.0 mm (5.12 inch).
5 2 1W-7240 Gear Length of the new gear is 79.375 0.025 mm (3.1250 0.0010 inch).
Depth of the bore in the oil pump body for the new gear is 79.502 0.020 mm (3.1300 0.0008 inch).
6 2 8M-8489 Dowel Protrusion (F) is 6.4 0.5 mm (0.25 0.02 inch).
7 2 7N-2156 Bushing Installation depth is 0.30 0.25 mm (0.012 0.010 inch).
Position (E) of bushing joints from the centerline through the bearing bores is 30 15 degrees.