CONTROL GP-PARKING BRAKE 3178720 - Caterpillar

Illustration 1 g00288420
(1) Diameter of new drive shaft ... 59.93 0.01 mm (2.3594 0.0004 inch) (2) Distance from the end of the drive shaft to the gear face ... 169.5 0.5 mm (6.67 0.02 inch)Maximum permissible temperature of the gear for shrinking ... 316 °C (601 °F) (3) Distance from the end of the idler shaft to the gear face 4W-6862 Idler Shaft Assembly ... 51.0 0.5 mm (2.01 0.02 inch) 4W-4484 Idler Shaft Assembly ... 52.5 0.5 mm (2.07 0.02 inch) 7C-8976 Idler Shaft Assembly ... 51.0 0.5 mm (2.01 0.02 inch)Maximum permissible temperature of the gear for shrinking ... 316 °C (601 °F) (4) Length of gears 7W-2401 Drive Shaft Assembly ... 155.00 0.02 mm (6.102 0.001 inch) 4W-4460 Drive Shaft Assembly ... 140.00 0.02 mm (5.512 0.001 inch) 7C-8978 Drive Shaft Assembly ... 195.00 0.02 mm (7.677 0.001 inch) 4W-6862 Idler Shaft Assembly ... 155.00 0.02 mm (6.102 0.001 inch) 4W-4484 Idler Shaft Assembly ... 140.00 0.02 mm (5.512 0.001 inch) 7C-8976 Idler Shaft Assembly ... 195.00 0.02 mm (7.677 0.001 inch) (5) Diameter of idler shaft ... 59.93 0.01 mm (2.359 0.0004 inch)
Illustration 2 g00288421
(6) Distance from the top of the dowels to the surface of the cover ... 12 1 mm (0.47 0.04 inch) (7) Bore in bearing for idler shaft ... 60.115 0.020 mm (2.3667 0.0008 inch) (8) Depth of the bearings in the cover ... 7.50 0.25 mm (0.295 0.010 inch) (9) Bore in bearing for drive shaft ... 60.115 0.020 mm (2.3667 0.0008 inch) (10) Align the oil holes in the bearings with the oil holes in the cover.Note: To minimize the press fit, cool the bearings and the bearing driver to -75 °C (-103 °F).
Illustration 3 g00288422
(11) Depth of the bearings in the body ... 12.30 0.25 mm (0.484 0.010 inch) (12) Bore in bearings in body ... 60.126 0.040 mm (2.3672 0.0016 inch) (13) Align the oil hole in the bearing with the oil hole in the body.Note: To minimize the press fit, cool the bearings and the bearing driver to -75 °C (-103 °F). (14) End clearance between the gears and the body ... 0.14 to 0.26 mm (0.006 to 0.010 inch)
Illustration 4 g00288423
(15) Oil pump cover assembly Distance from the end of the dowel to the cover's flange ... 8 1 mm (0.32 0.04 inch) (16) Position of the dowel for counterclockwise engine rotation (17) Position of the dowel for clockwise engine rotationPrior to operation, the pump bearings must have an external supply of oil. Before the pump is operated, lubricate the pump with oil. Rotate the pump by hand and make sure that the pump rotates freely.Nominal flow with the pump at 1524 rpm 4W-0675 Engine Oil Pump Gp ... 1800 L/min (476 US gpm) 1W-0797 Engine Oil Pump Gp ...