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Mechanical Fitters

INDUCTION

Organization history, mission and vision Authority structure 
Responsibilities 
Documentation
Accommodation
Rules and regulations
Working hours
Leave and absence
Disciplinary procedures
Transport
Security
Sport and recreational facilities

SAFETY

Safe environment 
Safety attitudes
Report safety matters
Safety inspections  
Safety representatives
Unsafe acts and conditions
Injuries
First aid box
First aid officers
Personal protective clothing and equipment
Personal hygiene
Housekeeping
General house hold rules

BENCH WORK

Workshop safety Understand NSD rules and procedures (read induction document)
Use of PPE
Maintain a safe working area
Maintain personal safety and safety for others according to procedures
Protect the environment according to regulations
Understand and recall driven machinery regulations 
Select, use and care for engineering hand tools 
Select, use and care for workshop tools
Select , use and care for power tools
Select, use and care portable power tools
Select, use and care for engineering measuring equipment
Mark off basic engineering shapes

HAND SKILLS

Make off a five holes flange
Manufacturing five holes flange
Mark off a six holes flange  
Manufacturing six holes flange
Manufacturing and fit a taper key
Mark off and fit a fitting block

COUPLING AND DRIVES

Mount and align:

  • Flexible tyre coupling
  • Rigid flange coupling
  • Gear coupling
  • Pin and disc coupling
  • Universal coupling
  • V-belts
  • Chain and sprocket
  • Taper gauge and ruler
  • DTI alignment 
  • Laser alignment 

HYDRAULICS

Draw a hydraulic diagram
Build a hydraulic system on simulation panel (fault finding)
Understand applicable theory related to hydraulics (theory test)

PNEUMATICS

Draw a pneumatic diagram
Build a pneumatic system on simulation (fault finding)
Understand applicable theory related to pneumatics (theory test)

MECHANICAL DRAWINGS

Interpret mechanical drawings 
Produce engineering drawings
Produce and interpret pipe isometric drawings 
Produce and interpret structural sketches

MECHANICAL SYSTEMS

Bearing:       

  • Identify difference types of bearings
  • Mount different types of bearings
  • Mount and dismount a bearing using hydraulic puller

Lubrication:   

  • Needs for lubricants
  • How lubrication works
  • Types of lubricants
  • Viscosity
  • Select of lubricants
  • Safe handling method for lubricants

Brakes:

  • Identify types of brakes
  • Align a brake drum
  • Set the correct torque on a brake system
  • Maintain a brake system    

PUMPS 

Maintain pumps:

  • Remove and displace gland packing
  • Remove and displace mechanical seal
  • Remove and dismantle pumps:
  • Single stage centrifugal pump
  • Double diaphragm pump
  • Magnetic drive pump
  • Worm drive pumps
  • Find faults on pumps

BASIC ARC AND GAS WELDING (MECHNICAL) 

Safety rules and regulations 
Identify and explain the use of arc and gas welding equipment
Setup arc and gas welding equipment 
Select and examine relevant welding rods
Prepare material for welding 
Weld steel plates in basic positions
Identify welding defects and explain their causes
Arc and gas welding (mechanical)

BASIC LIFTING TECHNIQUES 

Recall overhead crane hand signals
Demonstrate overhead crane signals
Use different lifting equipment:

  • Chain block
  • Shackles
  • Rope slings

BASIC TURNING 

Perform external parallel turning
Perform internal parallel turning
Perform external screw threads
Perform internal screw threads

BASIC MILLING 

Perform milling work with: -Slot drills and end mills
Machine a flat surface
Machine a hexagon
Machine slots

MATERIALS – THERMAL APPLICATIONS 

Identification of metals:

  • Ferrous metals
  • Nonferrous metals
  • Properties and characteristics of metals:
  • Compressive strength
  • Ductility strength
  • Malleability strength
  • Heat treatments:
  • Hardening 
  • Tempering 
  • Annealing 
  • Normalizing
  • Case hardening

Hardness testers:

  • Rockwell hardness tester
  • Brinell hardness tester

 

Pictures