Metallisation MK 73 - Safety Precautions and Risk Assessments

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CONTENTS
SECTION 2
SAFETY PRECAUTIONS & RISK ASSESSMENTS ................................................................................ 6
1.1 Safety Precautions ...................................................................................................................................... 7
1.1.1 Equipment Dos and Don’ts ....................................................................................................................... 7
1.1.2 Leak Test Procedures .............................................................................................................................. 8
1.1.3 Flashback ................................................................................................................................................. 9
1.2 Risk Assessment ...................................................................................................................................... 10
1.3 Key Hazards ............................................................................................................................................. 11
1.3.1 Noise ...................................................................................................................................................... 11
1.3.2 Flame ..................................................................................................................................................... 11
1.3.3 Particles ................................................................................................................................................. 11
1.3.4 Mechanical Hazards ............................................................................................................................... 12
1.3.5 Fume & Dust .......................................................................................................................................... 12
1.3.6 Summary................................................................................................................................................ 14
SECTION 2
THE EQUIPMENT .................................................................................................................................. 15
2.1 Introduction to the MK73 ........................................................................................................................... 16
2.2 Breakdown ................................................................................................................................................ 17
2.2.1 The Pistol ............................................................................................................................................... 18
2.2.2 Flowmeter .............................................................................................................................................. 19
2.2.3 Air Filtration & Regulation Unit (ARF) ..................................................................................................... 19
2.2.4 Pressure Regulators & Flashback Arrestors ........................................................................................... 19
2.2.5 Freestanding Flamespray Control Board ................................................................................................ 19
2.2.6 Supplies Packages ................................................................................................................................. 20
SECTION 3
OPERATING THE EQUIPMENT ............................................................................................................ 22
3.1 Preparing the System ............................................................................................................................... 23
3.2 Starting to Spray ....................................................................................................................................... 23
3.3 Spraying ................................................................................................................................................... 25
3.4 Extinguishing the Pistol ............................................................................................................................. 26
3.5 Emergency Shut-Off Valve........................................................................................................................ 26
SECTION 4
MAINTENANCE & REPAIR .................................................................................................................... 27
4.1 Recommended Spares ............................................................................................................................. 28
4.2 Routine Maintenance ................................................................................................................................ 28
4.3 Disconnecting the Pistol ............................................................................................................................ 29
4.4 The Nozzle Assembly ............................................................................................................................... 30
4.4.1 Removal & Dismantling .......................................................................................................................... 30
4.4.2 Nozzle Re-Assembly .............................................................................................................................. 31