1140, 1145, 1150 & 1160 DIESEL TRUCK ENGINE Caterpillar


Hydraulic Governor (9L7800)

Usage:

(1) 9L9560 Spring (governor high idle):

Put force on spring of ... 7.22 lb.(3.27 kg)

Then add more force to make spring shorter by ... .216 in.(4.49 mm)

Total test force ... 10.65 ± .22 lb.(4.83 ± 0.10 kg)

Free length after test ... 1.370 in.(34.80 mm)

Outside diameter ... 1.422 in.(36.02 mm)

(1) 9L9561 Spring (governor high idle):

Put force on spring of ... 8.65 lb.(3.92 kg)

Then add more force to make spring shorter by ... .216 in.(4.49 mm)

Total test force ... 12.28 ± .25 lb.(5.57 ± 0.11 kg)

Free length after test ... 1.431 in.(36.35 mm)

Outside diameter ... 1.432 in.(36.37 mm)

(1) 9L9563 Spring (governor high idle):

Put force on spring of ... 6.13 lb.(2.78 kg)

Then add more force to make spring shorter by ... .216 in.(4.49 mm)

Total test force ... 8.44 ± .18 lb.(3.83 ± 0.08 kg)

Free length after test ... 1.489 in.(37.82 mm)

Outside diameter ... 1.422 in.(36.02 mm)

(2) Torque for nut ... 11 ± 1 lb. ft.(1.52 ± 0.14 mkg)

(3) Torque for bolt ... 20 ± 3 lb. ft.(2.76 ± 0.41 mkg)

(4) 9L9606 Spring (governor low idle):

Put force on spring of ... .25 lb.(0.11 kg)

Then add more force to make spring shorter by ... .250 in.(6.35 mm)

Total test force ... 1.50 ± .03 lb.(0.68 ± 0.01 kg)

Free length after test ... .500 ± .005 in.(12.70 ± 0.13 mm)

Outside diameter ... 1.285 ± .010 in.(32.64 ± 0.25 mm)

Caterpillar Information System:

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