Marine Engineman (839) Enlisted Personnel

Operates and maintains gas or Diesel engine and auxiliary equipment used in propelling landing craft.
Inspects motor before starting for amount of gas or oil in fuel tank, oil in crankcase and gear box. Checks fan belt, ignition wiring, and engine mounts. Starts engine and observes ammeter, oil gauge, rpm indicator, and temperature during operation. Regulates speed of engine and engages clutch to start or reverse direction of craft upon signal from coxswain. Inspects engine during or after operation. Tightens hose connections, motor mounts, and engine head. Cleans and adjusts spark plugs, carburetor, injectors, and lubricates equipment. Tears down, cleans, and reassembles reverse and reduction gears. Replaces packing in pump and keeps engine and equipment clean.
Uses wrenches, pliers, screw drivers, hammer, and gauges.
Must have a thorough knowledge of the operation of the gasoline and Diesel engine. Must be familiar with the duties of coxswain and seamn.

Suitable Substitutions