TORQUE CONVERTER GP 1T1390 - Caterpillar

The Pressure Control Group can be identified by the part no. plate which is located on the top left side of the valve body.(1) 9G7132 Decay Orifice: Quantity ... fiveColor code ... greenOrifice size ... 1.57 mm (.062 in)(2) 8P9739 Load Piston Orifice: Quantity ... oneOrifice thickness ... 6.60 mm (.26 in)(3) 8P5058 Spring: Quantity ... eightLength under test force ... 25.4 mm (1.00 in)Test force ... 54.4 N (12.24 lb)Free length after test ... 32.51 mm (1.280 in)Outside diameter ... 15.24 mm (.600 in)(4) 4M2381 Spring: Quantity ... eightLength under test force ... 12.2 mm (.48 in)Test force ... 2.30 0.18 N (.517 .041 lb)Free length after test ... 22.6 mm (.89 in)Outside diameter ... 7.62 mm (.300 in)(5) 9P683 Spring: Quantity ... eightLength under test force ... 25.4 mm (1.00 in)Test force ... 35.6 2.8 N (8.00 .63 lb)Free length after test ... 66.04 mm (2.600 in)Outside diameter ... 21.4 mm (.84 in)(6) 9W7410 Spring (outer): Quantity ... fourColor code ... three light blue stripesLength under test force ... 79.5 mm (3.129 in)Test force ... 78.3 3.9 N (17.37 .88 lb)Free length after test ... 87.63 mm (3.450 in)Outside diameter ... 14.73 mm (.580 in)(7) 7G5453 Spring (inner): Quantity ... twoColor code ... yellowLength under test force ... 63.93 mm (2.517 in)Test force ... 57.8 2.9 N (13.0 .65 lb)Free length after test ... 80.442 mm (3.16 in)Outside diameter ... 8.128 mm (.32 in)(8) Shims for adjusting primary pressure. See Shim Chart.(9) 8P9737 Load Piston Orifice: Quantity ... threeOrifice thickness ... 2.54 mm (.100 in)(10) 7T570 Spring (inner): Quantity ... oneColor code ... orangeLength under test force ... 63.93 mm (2.52 in)Test force ... 43.37 2.17 N (9.75 .49 lb)Free length after test ... 80.442 mm (3.16 in)Outside diameter ... 8.128 mm (.32 in)(11) 7T571 Spring (inner): Quantity ... twoColor code ... two light green stripesLength under test force ... 63.93 mm (2.517 in)Test force ... 72.3 3.6 N (16.25 .81 lb)Free length after test ... 80.44 mm (3.167 in)Outside diameter ... 8.64 mm (.340 in)(12) 8P9738 Load Piston Orifice: Quantity ... fourOrifice thickness ... 4.58 mm (.180 in)(13) 9W7411 Spring (outer): Quantity ... twoColor code ... three yellow stripesLength under test force ... 79.5 mm (3.13 in)Test force ... 93.9 4.7 N (20.87 1.1 lb)Free length after test ... 87.76 mm (3.455 in)Outside diameter ... 14.73 mm (.580 in)(14) 7T569 Spring (inner): Quantity ... threeColor code ... light blueLength under test force ... 63.93 mm (2.517 in)Test force ... 86.7 4.3 N (19.49 .97 lb)Free length after test ... 80.4 mm (3.16 in)Outside diameter ... 8.64 mm (.340 in)(15) 9W7412 Spring (outer): Quantity ... twoColor code ... three light green stripesLength under test force ... 79.5 mm (3.13 in)Test force ... 68 3.4 N (14.8 .76 lb)Free length after test ... 84.07 mm (3.310 in)Outside diameter ... 14.73 mm (.580 in)