VE-TYPE INJECTION PUMP — Testing of Injection Pump (Cont'd)

EF & EC-693prose procedure

Cold start device adjustment section is labelled for CD17 engine. VE-type injection pump applies to CD diesel engines.

Testing of Injection Pump (Cont'd)

IMPORTANT

a. Tightening screw may change fuel injection. b. Make sure control lever angle is within the specified range. Refer to S.D.S.

1
Set control lever at "full-load" by pulling spring or using a suitable equipment.
SEF857A
2
Furnish voltage of 12 volts to activate fuel cut solenoid valve.
3
Measure fuel overflow at specified fuel injection rpm.
Refer to S.D.S. for overflow amount of inspection value.

When engine is idling and fuel cut solenoid valve current is OFF, be sure there is no injection. This check has to be done for approx. 5 seconds.

IMPORTANT

Cold start device adjustment should be done after all injection pump adjustments have finished.

1
Measure ambient temperature with a thermometer.
2
At this time, ensure that speed timer piston stroke is the specified value. If not within specification, adjust timer stroke with cold start device adjusting screw.
Refer to S.D.S. for speed timer piston stroke and ambient temperature.
SEF330F
3
Insert 4.1 ± 0.05 mm (0.1614 ± 0.0020 in) feeler gauge between idle adjusting screw and control lever and align alignment line with fast idle control lever by adjusting fast idle control lever adjusting screw.
SEF831F