Verify Cylinder No. 1 is at TDC by barring engine slowly while pushing in on TDC pin.
Install a new gasket.
Caution: The drive shaft must be clean and free of all oil before installation. Failure to ensure the drive shaft is
free of oil can result in the drive gear slipping on the shaft.
NOTE: The shaft of a new or reconditioned pump is locked so the key aligns with the drive gear keyway when Cylinder No. 1 is at TDC on the compression stroke. Install the pump. Make sure the key does not fall into the
gear housing.
22 mm
Caution: Do not overtighten. This is not the final torque.
Install the pump drive shaft nut and spring washer. The pump will rotate slightly because of gear helix and clearance. This is acceptable providing the pump is free to move on the flange slots and the crankshaft does not move.
Torque Value: 15 to 20 N»m [11 to 15 ft-lb]
13 mm
If installing the original pump, rotate the pump to align the scribe marks.
Torque Value: 24 N«m [18 ft-lb]
If installing a new or rebuilt pump without scribe marks, take up gear lash by rotating the pump against the di
rection of drive rotation. Tighten the flange mounting nuts.
Torque Value: 24 N*m [18 ft-lb]
Permanently mark the injection pump flange to match the mark on the gear housing.
9/16 inch
Loosen the CAV pump lockscrew and position the special washer behind the lockscrew head.
Torque Value: 20 N»m [15 ft-lb]
3/8 Inch
Loosen the Stanadyne DB4 fuel injection pump lock screw and position the special washer behind the lock screw
head.
Tighten the lock screw.
8 mm Allen or 10 mm Hex
On the Bosch pump, the special washer is wired to the pump and must be installed under the lokscrew.
Torque Value: 13 N®m [10 ft-lb]
Disengage the timing pin before rotating the crankshaft.
Torque Value: 24 N®m [18 ft-lb]
22 mm
Tighten the pump retaining nut.
Torque Value: Bosch 65 N*m [48 ft-lb]
Stanadyne 65 N«m [48 ft-lb]
Install the access cap.
8 mm
Install all fuel lines and the electrical wire to the fuel shut off valve.
12 mm and 1/2 inch
If required, install the air fuel control tube.
When connecting the cable/rod to the control lever, adjust the length so the lever has stop-to-stop movement.
Adjust the length of the cable or rod to the mechanical shut down lever so there is stop-to-stop movement.
Bleed all air from the fuel system.
Refer to Procedure (5-15).
If necessary, adjust the idle speed.
