Google links for MARL004 - Demonstrate basic knowledge of marine auxiliary machinery and equipment

Elements and Performance Criteria

Outline layout of engine room and functions of auxiliary machinery in engine room
Explain duties and responsibilities of a watchkeeper engineer during a watch
Recognise key features, applications and treatment of fuels, lubricants and chemicals used on board vessels
Explain operation and maintenance of typical pumping systems used on board vessels
Explain operation and maintenance of marine air compressors
Explain different types, safe operation and testing of steering gear commonly used on board vessels
Explain operation of an evaporator
Explain basic operation of marine refrigeration systems
Explain basic operation of marine air-conditioning and ventilation systems
- Basic construction and operation of marine air-conditioning and ventilation systems in routine and emergency situations is explained
- Preparation, operation, fault detection and necessary actions to prevent damage in marine air-conditioning and ventilation systems is confirmed
Explain basic operation of marine gas turbines
Explain types, safe operation and maintenance of deck machinery
- Types, basic construction and operation of deck machinery are outlined
- Preparation, operation, fault detection and necessary actions to prevent damage in deck machinery is confirmed

Range Statement

Specifies different work environments and conditions that may affect performance. Essential operating conditions that may be present (depending on the work situation, needs of the candidate, accessibility of the item, and local industry and regional contexts) are included. Range is restricted to essential operating conditions and any other variables essential to the work environment.
Types of auxiliary machinery include one or more of the following:	boiler compressors diesel generator evaporators pumps refrigerating installation separators

Functions of auxiliary machines include one or more of the following:	applying main power of engines for propulsion and manoeuvring keeping ship dry and trimmed mooring ship and handling cargo providing for safety supplying domestic needs such as fresh water supplying needs of main engines and boilers supplying ship with electric power and lighting

Types of chemicals include one or more of the following:	cleaning fluids fuel additives solvents

Types of pumps include one or more of the following:	axial flow centrifugal gear reciprocating screw vane

Types of heat exchangers include one or more of the following:	plate shell and tube

Features of bilge, cargo and ballast pumping systems include one or more of the following:	safety fittings sensing devices types of valves

Compressors include one or more of the following:	breathing apparatus compressor lubricated reciprocating air compressors non-lubricated reciprocating air compressors oil free air compressors rotary screw compressors

Types of steering gear include one or more of the following:	electrical ram rotary vane oscillating steering

Steering gear includes one or more of the following:	hunting gear telemotor

Accessories include one or more of the following:	accessory gear lube oil coolers lube oil drive lube oil filter starting device

Deck machinery includes one or more of the following:	accommodation ladders anchor winch cranes davits mooring winch