3406C GENERATOR SET ENGINE Caterpillar


Governor

Usage:

(1) Setscrew. Adjustment for fuel ratio control.

(2) Nut. Tighten to a torque of ... 1.70 ± 0.25 N·m (15 ± 2 lb in)

(3) Lever for manual shutoff.

(4) Setscrew. Adjustment for dimension (6).

(5) Nut. Tighten to a torque of ... 1.70 ± 0.25 N·m (15 ± 2 lb in)

(6) Dimension at shutoff. With manual shutoff lever (3) at the maximum shutoff position, the distance from the end of the lever assembly to the face of the rear governor housing must be ... 28.8 ± 0.5 mm (1.13 ± .02 in)

NOTE: Make sure setscrew (4) is adjusted to give dimension (6) at assembly.

(7) Setscrew. This setscrew is used for the adjustment of dimension (6) on engines that use a shutoff detent.

(8) Nut. Tighten to a torque of ... 1.70 ± 0.25 N·m (15 ± 2 lb in)

(9) Broken link spring. See the Miscellaneous Spring Chart.

(10) Torque for screws ... 3.4 ± 0.5 N·m (31 ± 4 lb in)

(11) Centering Spring. See the Miscellaneous Spring Chart.

(12) Guide. The distance from the end of the guide to the housing gasket surface is dimension (14) ... 11.80 ± 0.25 mm (.464 ± .010 in)

(13) Dashpot spring. See the Miscellaneous Spring Chart.

(15) 2N2878 Governor spring:

Color code (stripe) ... one brown

Put a force on spring of ... 29 N (6.5 lb)

Then add more force to make spring shorter by ... 10.69 mm (.421 in)

Total test force ... 47.0 ± .4 N (10.60 ± .09 lb)

Free length after test ... 59.436 ± 1.016 mm (2.3400 ± .0400 in)

Outside diameter ... 33.99 ± .38 mm (1.338 ± .015 in)

(15) 8N9595 Governor spring:

Color code (stripe) ... one white, one yellow

Put a force on spring of ... 17.8 N (4.00 lb)

Then add more force to make spring shorter by ... 13.12 mm (.517 in)

Total test force ... 32.16 ± 0.42 N (7.227 ± .094 lb)

Free length after test ... 76 ± 1 mm (3.0 ± .04 in)

Outside diameter ... 34.87 ± .38 mm (1.373 ± .015 in)

(15) 4W3911 Governor spring:

Color code (stripe) ... one brown, one blue

Put a force on spring of ... 17.8 N (4.00 lb)

Then add more force to make spring shorter by ... 12.82 mm (.505 in)

Total test force ... 32.16 ± 0.42 N (7.227 ± .094 lb)

Free length after test ... 76 ± 1 mm (3.0 ± .04 in)

Outside diameter ... 34.87 ± .38 mm (1.373 ± .015 in)

(16) Tighten the insulated terminal in governor housing to a torque of ... 3.4 ± 0.5 N·m (31 ± 4 lb in)

(17) Setscrew. Adjustment for torque rise setting.

(18) Setscrew. Adjustment for fuel setting.

(19) Nut. Tighten the nut on setscrews (17) and (18) to a torque of ... 1.70 ± 0.25 N·m (15 ± 2 lb in)

(20) Bumper spring. See the Miscellaneous Spring Chart.

(21) Lever. Install the shutoff lever as illustrated. Angle (A) and angle (B) from the vertical centerline must be ... 30 degrees

Back to top
The names Caterpillar, John Deere, JD, JCB, Hyundai or any other original equipment manufacturers are registered trademarks of the respective original equipment manufacturers. All names, descriptions, numbers and symbols are used for reference purposes only.
CH-Part.com is in no way associated with any of the manufacturers we have listed. All manufacturer's names and descriptions are for reference only.