FUEL INJECTION PUMP TEST AND ADJUSTMENT (CB534B)
Tools and Special Tools
Tool Kit, General Mechanic's: Automotive
(Volume 2, WP 0289, Table 1, Item 39)
Construction Equipment Repairer 91L
Start engine and apply approximately 50 percent load until engine reaches normal operating temperature.
If engine surges during warm-up period, turn speed droop adjusting cap clockwise until
When engine has reached operating temperature, position throttle to get full load speed and apply 100 percent
load. Adjust throttle if necessary to obtain satisfactory 100 percent load performance.
Remove load and check for no-load speed. If incorrect, adjust speed droop adjusting cap in small increments
(turn clockwise for increased droop or counterclockwise for less droop.) If surging exists when load is removed,
turn speed droop adjusting cap clockwise to eliminate.
When speed droop adjustments are made, throttle position adjustments (WP 0132) will also
Recheck 100 percent load and no-load performance and readjust as necessary.
END OF TASK
END OF WORK PACKAGE