768C TRACTOR & 769C TRUCK POWER TRAIN Caterpillar


Shift Pressure Valve (7G4102)

Usage:

(1) Torque for 12 bolts ... 22 ± 3 lb. ft.(28 ± 4 N·m)

(2) 8P5159 Spring:

Length under test force ... 3.63 in.(92.2 mm)

Test force ... 69.23 ± 5.54 lb.(308.0 ± 24.6 N)

Free length after test ... 5.88 in.(149.4 mm)

Outside diameter ... .859 in.(21.82 mm)

(3) 5M9548 Spring:

Length under test force ... .84 in.(21.3 mm)

Test force ... 1.00 ± .08 lb.(4.0 ± 0.4 N)

Free length after test ... 1.34 in.(34.0 mm)

Outside diameter ... .48 in.(12.2 mm)

(4) 1S7501 Spring:

Length under test force ... 1.81 in.(46.0 mm)

Test force ... 21.2 ± 1.6 lb.(94 ± 7 N)

Free length after test ... 2.48 in.(63.0 mm)

Outside diameter ... .590 in.(15.0 mm)

(5) 5J4664 Spring:

Length under test force ... 1.14 in.(28.96 mm)

Test force ... 8.6 ± .9 lb.(39 ± 4 N)

Free length after test ... 1.43 in.(35.32 mm)

Outside diameter ... .500 ± .016 in.(12.7 ± 0.41 mm)

(6) 5M7883 Spring:

Length under test force ... 1.770 in.(44.96 mm)

Test force ... 20.8 ± 1.7 lb.(92 ± 8 N)

Free length after test ... 2.42 in.(61.47 mm)

Outside diameter ... .750 in.(19.05 mm)

(7) Install dowel so it is below the surface of the face of the valve body.

(8), (11) 8P9585 Spring for the upshift reduction valves:

Color code ... red stripe

Length under test force ... 3.96 in.(100.6 mm)

Test force ... 8.07 ± .65 lb.(36.0 ± 29.0 N)

Free length after test ... 5.50 in.(139.7 mm)

Outside diameter ... .859 in.(21.82 mm)

(9) 7M3801 Spring (not shown) for adjustment bolts:

Length under test force ... .374 in.(9.50 mm)

Test force ... 70 ± 6 lb.(310 ± 27 N)

Free length after test ... .547 in.(13.89 mm)

Outside diameter ... .375 in.(9.53 mm)

(10) 5S7008 Spring for the upshift reduction valve:

Color code ... yellow stripe

Length under test force ... 3.90 in.(99.1 mm)

Test force ... 15.7 ± 1.3 lb.(70 ± 6 N)

Free length after test ... 8.33 in.(211.6 mm)

Outside diameter ... .859 in.(21.82 mm)

Caterpillar Information System:

768C TRACTOR & 769C TRUCK POWER TRAIN Automatic Selector Valve (3P4991)
768C TRACTOR & 769C TRUCK POWER TRAIN Governor Cut-Off Valve (3P4992)
768C TRACTOR & 769C TRUCK POWER TRAIN Accumulator Group For The Governor (9P4231)
768C TRACTOR & 769C TRUCK POWER TRAIN Sequence And Pressure Control Valve (8P3877)
768C TRACTOR & 769C TRUCK POWER TRAIN Shift Cylinder Group (2P9217)
768C TRACTOR & 769C TRUCK POWER TRAIN Shift Governor And Drive
768C TRACTOR & 769C TRUCK POWER TRAIN Hydraulic Controls For The Transmission
768C TRACTOR & 769C TRUCK POWER TRAIN Shift Control Group For The Transmission (9D8615)
768C TRACTOR & 769C TRUCK POWER TRAIN Power Take-Off Drive
768C TRACTOR & 769C TRUCK POWER TRAIN Transmission
768C TRACTOR & 769C TRUCK POWER TRAIN Transfer Gears
768C TRACTOR & 769C TRUCK POWER TRAIN Main Drive Shaft Group
768C TRACTOR & 769C TRUCK POWER TRAIN Pressure Control Valve (7G2612)
768C TRACTOR & 769C TRUCK POWER TRAIN Accumulator Group For No. 6 Clutch (3P8575)
768C TRACTOR & 769C TRUCK POWER TRAIN Differential And Bevel Gear
768C TRACTOR & 769C TRUCK POWER TRAIN Nospin Differential Group (2G3840)
768C TRACTOR & 769C TRUCK POWER TRAIN Final Drive
768C TRACTOR & 769C TRUCK POWER TRAIN Rear Axle Housing
768C TRACTOR & 769C TRUCK POWER TRAIN Tire Valve (4D2004)
768C TRACTOR & 769C TRUCK POWER TRAIN Rear Wheel Group
768C TRACTOR & 769C TRUCK POWER TRAIN Adjustment Of The Rear Wheel Bearings
768C TRACTOR & 769C TRUCK POWER TRAIN Systems Operation
768C TRACTOR & 769C TRUCK POWER TRAIN Testing And Adjusting
768C TRACTOR & 769C TRUCK POWER SHIFT TRANSMISSION Testing and Adjusting
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