Usage:
This unit is for engines with 11° before TC (top center) static timing.
NOTE: This unit moves forward (advances) the timing 8° from low idle to full load rpm.
(1) Diameter of shaft ... 4.0000 ± .0005 in.(101.600 ± 0.013 mm)
Diameter of bore in pump housing ... 4.0040 ± .0005 in.(101.702 ± 0.013 mm)
Bearing clearance (new) ... .003 to .005 in.(0.08 to 0.13 mm)
(2) Torque for plug ... 75 ± 10 lb. ft.(100 ± 14 N·m)
(3) 7S8790 Spring (large):
Length under test force ... 2.15 in.(54.6 mm)
Test force ... 5.40 ± .27 lb.(23.8 ± 1.2 N)
Free length after test ... 2.80 in.(71.1 mm)
Outside diameter ... .940 in.(23.88 mm)
(4) 6N3579 Spring (small):
Length under test force ... 1.244 in.(31.60 mm)
Test force ... .77 ± .06 lb.(3.4 ± 0.3 N)
Free length after test ... 1.38 in.(35.05 mm)
Outside diameter ... .531 in.(13.49 mm)
(4) 7S1134 Spring (small):
Length under test force ... 1.30 in.(33.0 mm)
Test force ... .708 ± .057 lb.(3.1 ± 0.3 N)
Free length after test ... 1.428 in.(36.27 mm)
Outside diameter ... .531 in.(13.49 mm)
(5) Distance between bottom face of nut and piston (when 6N3579 Spring is installed) ... 1.759 ± .015 in.(44.68 ± 0.38 mm)
(5) Distance between bottom face of nut and piston (when 7S1134 Spring is installed) ... 1.760 ± .010 in.(44.70 ± 0.25 mm)
(6) Distance between top face of nut and center of pin hole ... .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)
Torque for gear retainer bolts ... 75 ± 10 lb. ft.(100 ± 14 N·m)