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At what angle the tractor should be tilted forward and backwards while the air cleaner oil pull-over test?

(a) 45°

(b) 20°

(c) 30°

(d) 78°

The question was asked during an online exam.

The query is from Tractor Testing topic in chapter Farm Tractor of Farm Machinery

1 Answer

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Best answer
Right option is (c) 30°

For explanation: The tractor shall be put on a level ground. The air cleaner should be cleaned and filled with normal oil. The engine shall be operated at full governed speed for 15 minutes with continuous acceleration and deacceleration. If there is no oil pull over with the tractor in level position the tests shall be repeated with tractor tilted 15° to either side and then 30° forward and backwards with direction of travel.

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