Subtopic: Type, selection, maintenance and repair of tractors and power tillers
Question Statement:
In standard agricultural tractor maintenance schedules, engine crankcase lubricating oil and oil filter elements are typically replaced every:
Options:
(A) 250 to 300 operating hours (or annually)
(B) 10 operating hours
(C) 5,000 operating hours
(D) Only when the engine stalls during field work
Answer Key:
A
Step-by-Step Solution & Explanation
Manufacturer service manuals and IS 12207 recommend draining and replacing engine crankcase oil and spin-on oil filter elements every 250 to 300 operating hours (or at the end of each working season) to prevent additive depletion and soot accumulation.