PIN 2636690 - Caterpillar

Install Spring Washers As Shown(1) Torque for nut ... 9 3 lb.ft.(12 4 N m)(2) 3P131 Spring:Length under test force ... .430 in.(10.92 mm)Test force ... 21 .02 lb.(0.95 0.09 N)Free length after test ... .85 in.(21.6 mm)Outside diameter ... .370 in.(9.40 mm)(3) Seat. Install a spring washer, flat washer and spring washer between seat (3) and spring (4) as shown.(4) 9L6446 Spring for governor:Color code (stripes) ... 1 blue, 1 greenPut force on spring of ... 4.0 lb.(18 N)Then add more force to make spring shorter by ... .80 in.(20.3 mm)Total test force ... 12.4 .24 lb.(55 1 N)Free length after test ... 2.24 .03 in.(56.9 0.8 mm)Outside diameter ... 1.371 in.(34.82 mm)(4) 4N6681 Spring for governor:Color code (stripes) ... 2 purplePut force on spring of ... 4.0 lb.(18 N)Then add more force to make spring shorter by ... .90 in.(22.9 mm)Total test force ... 14.8 .48 lb.(67 2 N)Free length after test ... 2.24 .03 in.(56.9 0.8 mm)Outside diameter ... 1.373 in.(34.87 mm)(5) 4N5549 Spring for over-fueling:Length under test force ... .209 in.(5.31 mm)Test force ... .65 .03 lb.(2.9 0.1 N)Free length after test ... .859 in.(21.82 mm)Outside diameter ... .429 in.(10.90 mm)(6) Diameter of the outer surface of the cylinder (new) ... 1.2172 .0005 in.(30.917 0.013 mm)Bore in the gear (new) ... 1.2192 .0005 in.(30.968 0.013 mm) Governor weights must pivot freely.