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Question

Which maintenance action is essential for a tractor clutch shaft to function properly?

This question was previously asked in
RRB NTPC 2025 Graduate Level CBT 1 Question Paper (25-Mar-2026) (Shift 3)
The correct answer is

Ensuring correct alignment during assembly and repairs

The clutch shaft transmits drive between the clutch and the gearbox and must spin true without runout.

If it is even slightly misaligned during assembly, it runs off-centre and loads its bearings and splines unevenly.

This causes vibration, rapid wear, and poor clutch engagement, so correct alignment during assembly and repair is essential.

Grease on all parts, solvent cleaning, or tightening nearby bolts do not fix or replace this alignment need.

Hence, the answer is ensuring correct alignment during assembly and repairs.

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