3208 – Fuel Setting (HSMFS)

The procedure that follows for fuel setting can be done with the housing for the fuel injection pumps either on or off the engine.

NOTE: If the fuel injection pump group is equipped with a fuel ratio control, the fuel ratio control must be removed before the fuel setting is checked or adjusted.

NOTE: If a fuel temperature compensated torque control group is used, the temperature of the fuel must be less than 52°C (125°F) when checking or adjusting the fuel setting.


Removal Of Covers
(1) Top cover. (2) Shutoff solenoid. (3) Fuel ratio control.

1. Remove fuel ratio control (3) and shutoff solenoid (2) and top cover (1).

Remove Torque Control Cover
(4) Torque control cover. (5) High idle adjustment cover.

2. Remove torque control cover (4) and high idle adjustment cover (5).


Remove Spring And Bypass Valve
(6) Spring. (7) Bypass valve.

3. Remove spring (6) and bypass valve (7).


Installation Of 5P0298 Zero Set Pin
(8) 5P0298 Zero Set Pin, (with 17.8507 on it).

4. Put the 5P0298 Zero Set Pin (8), in the fuel injection pump housing.


Installation Of 145-1853 Calibration Fixture
(9) 145-1853 Calibration Fixture. (10) 3J6956 Spring.

5. Put 145-1853 Calibration Fixture (9) and 3J6956 Spring (10) over 5P0298 Zero Set Pin (8). Use the bolts from the torque cover (4) to fasten 145-1853 Calibration Fixture (9) to the fuel injection pump housing.


Installation Of 8S7271 Setscrew
(11) 8S7271 Setscrew.

6. Put 8S7271 Setscrew (11) in the hole over 5P0298 Zero Set Pin (8) and 3J6956 Spring (10).

7. Turn 8S7271 Setscrew (11) clockwise with a 5P4205 Wrench until 5P0298 Zero Set Pin (8) is held against the fuel injection pump housing. Do Not tighten 8S7271 Setscrew (11) too tight.

NOTE: If the fuel injection pump housing is installed on the engine a 146-1853 Hex Key (ball-end) is required to turn the 8S7271 Setscrew (11).


Installation Of 3P1565 Collet Clamp
(9) 145-1853 Calibration Fixture. (12) 3P1565 Collet Clamp.

8. Put 3P1565 Collet Clamp (12) in 145-1853 Calibration Fixture (9).

9. Move the governor control lever to Full Load position.


Installation Of 3P1567 Dial Indicator
(12) 3P1565 Collet Clamp. (13) 3P1567 Dial Indicator (with 5P4809 Contact Point, 50.8 mm (2.00 in) long).


Indicator Set On Zero
(13) 3P1567 Dial Indicator. (14) Pointers.

10. Put 3P1567 Dial Indicator (13) in 3P1565 Collet Clamp (12).

11. Adjust 3P1567 Dial Indicator (13) so both pointers (14) are on “0” (zero).


Loosening 8S7271 Setscrew
(15) 5P4205 Wrench.

12. Use 5P4205 Wrench (15) to turn the 8S7271 Setscrew (11) counterclockwise. Turn 8S7271 Setscrew (11) six or more turns.

NOTE: If the fuel injection pump housing is installed on the engine a 146-1853 Hex Key (ball) is required to turn the 8S7271 Setscrew (11) instead of the 5P4205 Wrench.


8T0500 Circuit Tester

13. Put the clip end of the 8T0500 Circuit Tester to a good ground. Put the other end of the 8T0500 Circuit Tester on the load stop contact.

14. Move the governor control lever to the Low Idle position.

15. Move the governor control lever slowly toward the High Idle position until the circuit tester (continuity) light just comes on. Make a note of the reading on 3P1567 Dial Indicator (13). Do this step several times to make sure the reading is correct.

16. Make a comparison of this reading and the fuel setting in the TMI (Technical Marketing Information) or Fuel Setting And Related Information Fiche.

17. If the reading on 3P1567 Dial Indicator (13) is not correct, do the following.

Load Stop Adjustment


Adjustment Of Fuel Setting
(16) Screwdriver. (17) Adjustment screw. (18) Wrench.


Adjustment Screw For Fuel Setting
(17) Adjustment screw. (19) Locknut. (20) Load stop pin.


Adjustment Screw For Fuel Setting
(17) Adjustment screw. (19) Locknut. (20) Load stop pin.

a. Use wrench (18) and loosen locknut (19).

b. Use screwdriver (16) to turn adjustment screw (17) until the reading on 3P1567 Dial Indicator (13) is the same as the dimension given in the TMI (Technical Marketing Information) and Fuel Setting And Related Information Fiche.

c. When the adjustment is correct, tighten locknut (19). Check the adjustment again by doing Steps 13 through 17 again.

NOTE: The same tools that are used in this procedure are also used for the fuel ratio control adjustment.

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