7. Measuring Instruments Required p

7. Measuring Instruments
Required performance:

– Lists measuring instruments usually used for fabrication and repair onboard ships, showing measuring instruments such as various types of
Scales, calipers, protractors, square and straight edge, venire calipers, depth gauges micrometers, dial indicators, thickness gauges, radius gauges and screw pitch gauges
– Explains and demonstrates how to use measuring instruments including their accuracy
– Explains and demonstrates correct selections of specific measuring instruments in accordance with their purposes of use
– Uses various measuring instruments to acquire skills of using them with sample materials provided
8. USE OF VARIOUS TYPES OF SEALANTS AND PACKINGS
Required performance:
– Explains what is meant by sealant, gasket and packing
– Explains the differences between gasket and packing
– Explains how packings are used showing actual packings such as various types of O-rings, gland packings, mechanical seals, oil seals and labyrinth packings
– Explains how gaskets are used showing actual gaskets such as various types of non-metallic gaskets, non-ferrous metallic gaskets, metallic gaskets and semi-metallic gaskets
– explains how sealants are used showing actual sealants such as various types of sealants, liquid packings and seal tapes
– Uses various sealants and packings to acquire skills of using them with sample materials provided
9. MAINTENANCE AND REPAIR SUCH AS DISMANTLING, ADJUSTMENT AND
REASSEMBLING OF MACHINERY AND EQUIPMENT
Required performance:
9.1 Fastening
– Identifies types of threaded fastener
– States that bolts/nuts should be equally tightened in correct sequence when fastening plates/blocks with more than two bolts/nuts
– Explains why studs are used
– Fits studs and bolts and uses correct tightening procedures
– Removes studs (intact and broken) and split nuts
– Demonstrates how to protect finished surfaces







9.2 Centrifugal Pumps
Required performance:
– Dismantles:
– casing
– impeller
– wear rings
– shaft
– bearings
– gland/seal
– air pump
– float chamber
– Examines and measures all parts for wear and deterioration
– Re-fits, checking, clearances
– Replaces and adjusts seals

9.3 Reciprocating Pumps
Required performance:
– Dismantles:
– cylinders
– piston/buckets
– rings
– valves
– joins
– glands
– relief valves
– Measures wear in cylinders, neck rings and rods; checks ring gaps
– Machines and/or grinds in valves and seats
– Removes gland packing
– Selects and fits new gland packing





9.4 Screw and Gear Pumps
Required performance:
– Dismantles:
– rotors and gears
– seals
– bearings
– relief valve
– Examines for wear and deterioration
– Reassemble, checking end clearances and backlash
– Replaces and adjusts seals
9.5 Valves
Required performance:
The followings are applied to typical stop valves and safety/relief valves:
– Examines seats, valves, spindles, glands
– Machine valves and seats
– Beds in valves on seats, using grinding paste
– Removes old gland packing
– Selects correct gland packing
– Repacks glands
– Tests

9.6 Air Compressors
Required performance:
– Dismantles, examines and replaces or repairs as found necessary:
– suction and delivery valves and seats
– piston and rings
– glands/seals
– relief valves and bursting discs
– coolers and cooling passages
– lubricating oil system
– drains



9.7 Heat Exchangers
Required performance:
– Dismantles and examines:
– for leakage
– for corrosion
– for erosion
– for fouling
– Checks provision for tube expansion:
– descales
– replaces tubes
– plugs tubes
– secures tube tightness in tube plates
– checks means of reducing corrosion
– fills and tests

9.8 Diesel Engine
Required performance:
– Dismantles and inspects all parts for wear and deterioration, including:
– pistons
– rings
– liners
– bearings
– valves
– cooling passages
– crankshaft alignment
– lubrication system
– Refurbishes Diesel Engine Components
– cylinder heads
– exhaust valves
– air-start valves
– fuel injector
– relief valve
– fuel injection pump
– Reassembles
– Checks timing and ascertains freedom of movement
– Checks condition of lubrication oil
– Purges air from fuel system
– Test runs
9.9 Turbocharger
Required performance:
– Dismantles:
– air filter
– air casing
– inducer(if fitted)
– impeller
– volute
– diffuser
– gas inlet grid
– nozzle ring
– rotor
– bearings
– Examines all parts for wear and deterioration, paying particular attention to:
– erosion in the air side
– erosion in the turbine nozzles and in the blades
– corrosion of the gas casing
– hard deposits
– condition of bearings
– condition of labyrinths
– lubrication system
– Reassembles and checks clearances








9.10 Boiler
Required performance:
– Explains the need for cleaning the fire side of a boiler and how to do it
– Describes how to inspect the fire side of a boiler and repair/maintenance
– Explains the need of cleaning up the water side of a boiler and how to do it
– Describes how to inspect the water side of a boiler and the repair/maintenance
– Describes how to restore the boiler after cleaning up the fire/water side
– Describes how to repair the firebrick wall of a furnace

9.11 Shafting System
Required performance:
– Thrust block
– Stern tube
– Shaft bearings
– Shaft sealing equipment

9.12 Refrigerator
Required performance:
– Compressors
– Evaporator
– Condenser
– Expansion valve
– Oil separator

9.13 Oils Fuels and Lubricating System
Required performance:
– Filters
– Purifiers
– Bearings
– Settling-tanks
– Tank contents gauges



9.14 Deck Machinery
Required performance:
– Lifeboat davits and gear
– Mooring winch
– Windlass
– Winch
– Crane

10. THE USE OF APPROPRIATE SPECIALIZED TOOLS AND MEASURING
INSTRUMENTS
Required performance:
– States that some machinery/equipment are installed with specialized tools and measuring instruments for their repair and maintenance
– Explains what sort of specialized tools and measuring instruments are supplied
– Explains how to use specific specialized tools and measuring instruments showing for overhauling diesel engine and steam turbine
– Explains how to use wear gauge for stern tube bearing

11. DESIGN CHARACTERISTICS AND SELECTION OF MATERIALS IN
CONSTRUCTION OF EQUIPMENT
Required performance:
Selection of Materials in Construction of Equipment
– Explains what materials are used for constructing major parts of the following equipment
– diesel engines: crank shaft, cylinder liner and head, piston, exhaust valve, bearing
– steam turbines: turbine casing, rotor, blade, nozzle, reduction gear,
– gas turbine: turbine casing, rotor, compressor, gas generator
– boilers: water tube, furnace, steam, water drum, super heater

ผลลัพธ์ (ไทย) 1:

7. เครื่องมือวัด ประสิทธิภาพจำเป็น: -รายการเครื่องมือที่มักจะใช้สำหรับการผลิตและซ่อมแซมสวบสาบเรือ แสดงเครื่องมือวัดต่าง ๆ เช่นวัด เครื่องชั่งน้ำหนัก calipers, protractors ตาราง และตรงขอบ venire calipers ลึกมาตรวัดคัลไมโครมิเตอร์ แบบ เรียกตัวชี้วัด มาตรวัดความหนา เกจรัศมี และสกรูมาตรวัดระยะห่าง -อธิบาย และสาธิตวิธีการใช้เครื่องมือวัดรวมถึงความถูกต้องของ -อธิบาย และแสดงให้เห็นถึงการเลือกที่ถูกต้องของเครื่องมือวัดเฉพาะตามวัตถุประสงค์ของการใช้ -ใช้เครื่องมือวัดต่าง ๆ เพื่อซื้อของใช้ด้วยตัวอย่างวัสดุให้ 8. การใช้หลากหลายลเครื่องและ SEALANTS ประสิทธิภาพจำเป็น: -อธิบายสิ่งที่มีขึ้น โดยซีลแลนท์ ปะเก็น และบรรจุ -อธิบายความแตกต่างระหว่างปะเก็นและบรรจุ -อธิบายวิธีลเครื่องจะใช้แสดงลเครื่องจริงเช่นโอริง ต่อมลเครื่อง กล สัญลักษณ์น้ำมัน และเขาวงกตลเครื่องชนิดต่าง ๆ -อธิบายวิธีปะเก็นเป็นปะเก็นที่จริงใช้แสดงเช่นประเภทต่าง ๆ ของอโลหะปะเก็น ปะเก็นโลหะไม่ใช่เหล็ก ปะเก็นโลหะปะเก็นโลหะกึ่ง -อธิบายใช้แสดง sealants จริงเช่น sealants ลเครื่องของเหลวชนิดต่าง ๆ และวิธีการปิดผนึกเทปของ sealants – ใช้ต่าง ๆ sealants ลเครื่องเพื่อซื้อของใช้ด้วยตัวอย่างวัสดุให้ 9. MAINTENANCE AND REPAIR SUCH AS DISMANTLING, ADJUSTMENT AND REASSEMBLING OF MACHINERY AND EQUIPMENT Required performance: 9.1 Fastening – Identifies types of threaded fastener – States that bolts/nuts should be equally tightened in correct sequence when fastening plates/blocks with more than two bolts/nuts – Explains why studs are used – Fits studs and bolts and uses correct tightening procedures – Removes studs (intact and broken) and split nuts – Demonstrates how to protect finished surfaces 9.2 Centrifugal Pumps Required performance: – Dismantles: – casing – impeller – wear rings – shaft – bearings – gland/seal – air pump – float chamber – Examines and measures all parts for wear and deterioration – Re-fits, checking, clearances – Replaces and adjusts seals 9.3 Reciprocating Pumps Required performance: – Dismantles: – cylinders – piston/buckets – rings – valves – joins – glands – relief valves – Measures wear in cylinders, neck rings and rods; checks ring gaps – Machines and/or grinds in valves and seats – Removes gland packing – Selects and fits new gland packing 9.4 Screw and Gear Pumps Required performance: – Dismantles: – rotors and gears – seals – bearings – relief valve – Examines for wear and deterioration – Reassemble, checking end clearances and backlash – Replaces and adjusts seals 9.5 Valves Required performance: The followings are applied to typical stop valves and safety/relief valves: – Examines seats, valves, spindles, glands – Machine valves and seats – Beds in valves on seats, using grinding paste – Removes old gland packing – Selects correct gland packing – Repacks glands – Tests 9.6 Air Compressors Required performance: – Dismantles, examines and replaces or repairs as found necessary: – suction and delivery valves and seats – piston and rings – glands/seals – relief valves and bursting discs – coolers and cooling passages – lubricating oil system – drains 9.7 Heat Exchangers Required performance: – Dismantles and examines: – for leakage – for corrosion – for erosion – for fouling – Checks provision for tube expansion: – descales – replaces tubes – plugs tubes – secures tube tightness in tube plates – checks means of reducing corrosion – fills and tests 9.8 Diesel Engine Required performance: – Dismantles and inspects all parts for wear and deterioration, including: – pistons – rings – liners – bearings – valves – cooling passages – crankshaft alignment – lubrication system – Refurbishes Diesel Engine Components – cylinder heads – exhaust valves – air-start valves – fuel injector – relief valve – fuel injection pump – Reassembles – Checks timing and ascertains freedom of movement – Checks condition of lubrication oil – Purges air from fuel system – Test runs 9.9 Turbocharger Required performance: – Dismantles: – air filter – air casing – inducer(if fitted) – impeller – volute – diffuser – gas inlet grid – nozzle ring – rotor – bearings – Examines all parts for wear and deterioration, paying particular attention to: – erosion in the air side – erosion in the turbine nozzles and in the blades – corrosion of the gas casing – hard deposits – condition of bearings – condition of labyrinths – lubrication system – Reassembles and checks clearances 9.10 Boiler Required performance: – Explains the need for cleaning the fire side of a boiler and how to do it – Describes how to inspect the fire side of a boiler and repair/maintenance – Explains the need of cleaning up the water side of a boiler and how to do it – Describes how to inspect the water side of a boiler and the repair/maintenance – Describes how to restore the boiler after cleaning up the fire/water side – Describes how to repair the firebrick wall of a furnace 9.11 Shafting System Required performance: – Thrust block – Stern tube – Shaft bearings – Shaft sealing equipment 9.12 Refrigerator Required performance: – Compressors – Evaporator – Condenser – Expansion valve – Oil separator 9.13 Oils Fuels and Lubricating System Required performance: – Filters – Purifiers – Bearings – Settling-tanks – Tank contents gauges 9.14 Deck Machinery Required performance: – Lifeboat davits and gear – Mooring winch – Windlass – Winch – Crane 10. THE USE OF APPROPRIATE SPECIALIZED TOOLS AND MEASURING INSTRUMENTS Required performance: – States that some machinery/equipment are installed with specialized tools and measuring instruments for their repair and maintenance – Explains what sort of specialized tools and measuring instruments are supplied – Explains how to use specific specialized tools and measuring instruments showing for overhauling diesel engine and steam turbine – Explains how to use wear gauge for stern tube bearing 11. DESIGN CHARACTERISTICS AND SELECTION OF MATERIALS IN CONSTRUCTION OF EQUIPMENT Required performance: Selection of Materials in Construction of Equipment – Explains what materials are used for constructing major parts of the following equipment – diesel engines: crank shaft, cylinder liner and head, piston, exhaust valve, bearing – steam turbines: turbine casing, rotor, blade, nozzle, reduction gear, – gas turbine: turbine casing, rotor, compressor, gas generator – boilers: water tube, furnace, steam, water drum, super heater

ผลลัพธ์ (ไทย) 3:

7 . เครื่องมือวัดประสิทธิภาพ :


ต้อง–รายการเครื่องมือวัด มักจะใช้สำหรับการประกอบและซ่อมเครื่องเรือ แสดงเครื่องมือวัดหลากหลายชนิด เช่น
ชั่งเครื่องวัดเส้นผ่าศูนย์กลาง , Protractors , สี่เหลี่ยมและขอบตรง venire เปอร์เกจไมโครมิเตอร์วัดความลึก , โทร , เครื่องวัดความหนา , เกจวัดรัศมี และสนามสกรู