FUEL PUMP CALIBRATION

FUEL SYSTEM

TESTING AND ADJUSTMENT

NOTE: Be sure the adjustment for the crossover levers is

correct before calibrating the pumps.

1. Remove the fuel that is in the injection pump housing

and the governor housing.

2. Remove covers (9) and (10).

CROSSOVER LEVERS

1. Crossover lever. 5. Crossover lever. 6. Shaft. 7. Pin.

8. Shaft.

FUEL PUMP CALIBRATION

Tools Needed: 3P2200 Tool Group.

REMOVAL OF COVERS

The following tools from

9. Cover. 10. Cover.

3P1550 Tool Group are also needed:

882243 Wrench.

NOTE: There is a bypass valve and spring under cover

2P8331 Cover.

(9) at the front of the injection pump housing.

4B4276 Washer (two).

8S7271 Screw.

3. Use the 882243 Wrench and remove the injection

1D4633 Bolt (two).

pump that is going to be calibrated.

1D4538 Bolt.

3K6896 Washer.

4, Put calibration pump (1) in the injection pump housing

3J6956 Spring.

with flat (11) on plunger of pump toward tang (13) on

2H3740 Bolt.

lever (12). When calibration pump (1) is all the way in

the bore, turn the calibration pump approximately 456

The following procedure for fuel pump calibration can be

so tang (13) on lever (12) fits in groove (14). Install

done with the housing for the fuel injection pumps either

4N218 Bushing. Tighten bushing to 70 5 lb. ft. (9.7

on or off the engine.

0.7 mkg).

CAUTION: Before doing any service work on this fuel

system, the outside of the injection pump housing and all

parts connected to it must be especially clean.

3P2200 TOOL GROUP

INSTALLING SP1540 CALIBRATION PUMP

1, 3P140 Calibration Pump. 11. Flat on plunger .

1. 3P1540 Calibration Pump. 2. 4N218 Bushing, 3.

1P7379 Microgage. 4. 3P1568 Dial Indicator with 3P2226

Base. 5. 2P5519 Box. 6. 3P1545 Calibration Pin ( In. line

engines). 7. 3P1546 Calibration Pin (Vee engines.). 8.

1S9838 Wrench.