ALTERNATOR GP -B 20R3888 - Caterpillar

Difference in pressure at which the bypass valve will open ... 248 20 kPa (36 3 psi)(1) 8P1556 Spring Length under test face ... 52.3 mm (2.06 in)Test force ... 59.7 4.8 N (13.42 1.08 lb)Free length after test ... 75.18 mm (2.960 in)Outside diameter ... 13.11 mm (.516 in)(2) Torque for plug ... 27 7 N m (20 5 lb ft)(3) 9M1986 Spring Length under test force ... 25.4 mm (1.00 in)Test force ... 111 9 N (24.9 2.0 lb)Free length after test ... 47.2 mm (1.86 in)Outside diameter ... 12.7 mm (.50 in)(4) 3P6882 Spring Length under test force ... 24.56 mm (.967 in)Test force ... 15.3 1.2 N (3.44 .27 lb)Free length after test ... 31.34 mm (1.234 in)Outside diameter ... 10.72 mm (.422 in)54, 55 And 57 Winches
Difference in pressure at which the bypass valve will open ... 248 20 kPa (36 3 psi)(1) 6P9783 Spring Length under test force ... 56.39 mm (2.22 in)Test force ... 62.0 3.1 N (13.94 .70 lb)Free length after test ... 88.60 mm (3.488 in)Outside diameter ... 11.02 mm (.433 in)(2) 8P1556 Spring Length under test force ... 52.3 mm (2.06 in)Test force ... 59.7 4.8 N (13.42 1.08 lb)Free length after test ... 75.18 mm (2.960 in)Outside diameter ... 13.11 mm (.516 in)(3) 9M1986 Spring Length under test force ... 25.4 mm (1.00 in)Test force ... 111 9 N (24.9 2.0 lb)Free length after test ... 47.2 mm (1.86 in)Outside diameter ... 12.7 mm (.050 in)(4) Parts are shown in the NO INCHING position. Reversing these parts provides an INCHING function.(5) 7T6638 Spring Length under test force ... 60.27 mm (2.37 in)Test force ... 129.0 10.3 N (29.00 2.32 lb)Free length after test ... 67.69 mm (2.665 mm)Outside diameter ... 11.91 mm (.469 in)