To stop the diesel engine governor from hunting, the governor oil system is to be purged of trapped air by adjusting the part shown in the illustration labeled __________. See illustration MO-0096.
⢠Hydraulic governors often use a small valve or needle to bleed or purge trapped air from the oil system. ⢠The parts that change speed droop or load limit mainly affect how the governor responds to load, not how air is removed from the system. ⢠Look closely at which labeled part in MO-0096 is directly in the compensating oil circuit and is designed to be adjusted for oil flow/bleeding.
⢠Which labeled component is actually in the hydraulic oil path near the compensating piston, rather than up in the mechanical linkage? ⢠Which labeled part is named or drawn in a way that suggests it meters or controls a small oil flow that could be used to vent air? ⢠If you compare the names of the four labeled parts, which one sounds like it would be used for fine hydraulic adjustment instead of mechanical speed/load setting?
⢠Verify which label is attached to the compensating oil section close to the receiving/actuating compensating pistons. ⢠Confirm that the part you choose is something you would reasonably "adjust" to control oil flow or bleeding, not speed droop or load limit. ⢠Make sure the part you select is not only in the mechanical linkage (cams, levers, racks) but in the hydraulic governor body itself.
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