684 - ENGINE OVERHAUL MECHANIC, AIRCRAFT (Designated Engine)
[ENG OVERHAUL MECH, AIR (***)]
Inspects and performs overhauls and major repairs on aircraft engines.
Diagnoses malfunctioning; makes such repairs as reboring cylinders, replacing and reseating valves and valve inserts, fitting connecting rods and wrist pins, reseating and adjusting bearings, refacing blocks or cylinder heads, and testing engines; adjusts and repairs carburetors, superchargers, injectors, fuel and oil pumps, and ignition units; makes unit replacements of defective engine parts.
Performs the more difficult engine repairs and adjustments which cannot be handled by an ordinary Mechanic, Aircraft (SSN 747). Note—This SSN will be primary to SSN 747. After the SSN enter one of the code letters listed below, and in the parenthesis after the title enter the type of engine which the Marine is qualified to repair.
A—Pratt and Whitney.
B—Wright.
D—Pratt and Whitney; Wright.