Which of the following should a mechanic consult to determine the maximum amount of cylinder cooling fin that could be removed when cracks are found?

a) Engine manufacturer's service or overhaul manual.
b) Engine structure repair manual.
c) AC 43.13-1A.

Engine manufacturer's service or overhaul manual.

Explanation:

Overhauling is the process that can be decided to maintain, restore , dectection of fault in an equipment,engine, of system with condition that can be serviced.

Overhaul involves some steps which are;

1) Disassembling of the engine or the equipment which could be partial or total disassembling.

2) Thorough inspection, so that the faulty or the part could be detected

3) Adequate replacement of the defected part with fitted new one

4) Reassembling and testing of the part to assure that the system has been restored to it's operational normal condition.

Therefore, in order to determine the maximum amount of cylinder cooling fin that could be removed when cracks are found in the system, then Engine manufacturer's service or overhaul manual can be of use.