MOUNTING GP-WIRING 3727912 - Caterpillar

This unit is for engines with 8° before TC (top center) static timing.The amount of advance for this unit is ... 11°Torque for bolts in the retainer for the variable drive ... 75 10 lb. ft.(10.4 1.4 mkg)(1) Diameter of shaft ... 4.0000 .0005 in.(101.600 0.013 mm) Bore of the bearing in the pump housing ... 4.0040 .0005 in.(101.720 0.013 mm)(2) Torque for plug ... 75 10 lb. ft.(10.4 1.4 mkg)(3) 7S870 Spring (large): Length under test force ... 2.15 in.(54.6 mm)Test force ... 5.40 .27 lb.(2.45 0.12 kg)Free length after test ... 2.80 in.(71.1 mm)Outside diameter ... .940 in.(23.88 mm)(4) 6N3578 Spring (small): Length under test force ... 1.451 in.(36.86 mm)Test force ... .55 .04 lb.(0.250 0.018 kg)Free length after test ... 1.591 in.(40.41 mm)Outside diameter ... .528 in.(13.41 mm)(5) Distance between bottom of nut and piston (gear) ... 1.914 .010 in.(48.62 0.25 mm)(6) Distance between top of nut and center of pin hole in coupling ... .156 .010 in.(3.96 0.25 mm)(7) End clearance of the shaft (new) ... .003 to .007 in.(0.08 to 0.18 mm)