ITI Fitter Practical Book
ITI Fitter course is a trade related to the Mechanical branch. ITI Fitter syllabus includes knowledge about fittings like Pipe fittings, Machine fitting, and structure fittings are the main working areas, on which a fitter works.
There are different types of Fitters including general Fitters, Mechanical Fitters, Maintenance Fitters, and Fitters and Turners.
Fitter Practical Book
Fitter Trade Introduction Safety Precautions and First Aid
- Introduction
- Institute
- Types of Fitter
- Accident
- Safety Precautions while using Hand Tools
- Fire
- Safety Signs
- First Aid
Fitter Skill Information – I
- Important Tools and Instruments
- Marking, Measuring, Holding and Checking Tools
- Welding
- Common Faults of Gas Welding
- Layout of Fitting Shop
- Demonstration Sheet
- Uses of Various Tools
- Drawing Circle
- Using Number Punch
- Sheet Metal Tools
- Some Important Operations
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Fitter Trade Operations – I
- Marking, punching, hacksawing of metals having different cross-sections and holding the job in vice.
- To practice hacksawing operation on the pipe and channel.
- To practice channel filing and parallel filing.
- To practice marking with steel rule and odd leg caliper.
- Marking off straight lines and arcs using scribing block and divider.
- Chipping flat surfaces along a marked line.
- To practice measuring, marking, punching, sawing and filing using try square.
- To practice the drilling and checking of marked plates of different shapes.
- To determine the center of round rod with the help of surface gauge and ‘V’ block.
- To practice marking, sawing, chipping, flat filing, chamfering and checking.
- To practice angular and radius marking by filing.
- To practice slot and oil groove chipping.
- To practice various types of file step making up to ±0.25 mm accuracy.
- To practice letter punch and number punch by forming concave and convex radius.
- To convert round rod into square rod by forging..
- To change round rod into hexagonal rod by forging.
- To practice the marking on sheets and cutting in straight line.
- To practice marking of curve and cutting with snip.
- To prepare various sheet metal joints
- To mark rectangular tray and flaps soldering-I.
- To practice rectangular tray and flaps soldering-II.
- To assemble ash tray.
- To prepare lap joint by brazing process.
- To practice ‘T’ joint by brazing.
- To practice straight cutting by hand gas cutting.
- To prepare the fusion runs with filler rod.
Fitter Skill Information – II
- Important Tools and Instruments
- Marking, Measuring, Holding and Checking Tools
- Uses of Different Tools
- Drawing Circle
- Use of Punch
- Tools and Instruments
Fitter Lathe Machine
- Introduction
- Parts of the Lathe Machine
- Lathe Machine Attachements
- Lathe Machine Operations
- Various Angles of the Lathe Cutting Tools
- Knurling
- Boring
- Chamfering
- Parting Off
- Eccentric Turning
Fitter Trade Operations – II
- To hold the job in a four jaw chuck and do facing operation on both the ends using knife tool.
- To measure the diameter using the steel rule and outside caliper.
- To do facing, turning and chamfering operation on the job, holding it in a three jaw chuck.
- To practice plain and taper turning, reducing and checking.
- To practice single edge step turning.
- To practice double edge step turning.
- To practice turning and taper turning operation to make a ‘B’ slot and form the mandrel, and practice knurling operation.
- To practice drilling, turning, boring and brush step boring on the job and recess cutting.
- Cutting the’ V’-groove on the lathe machine using a taping die and matching the nuts and bolts.
- Drilling through holes and filing the radius and the surface of the MS flat job with complete accuracy.
- To file the radial and conical surfaces with an accuracy of ±0.05 mm and fitting the radial and conical Workpieces.
- To practice double square and radius fitting.
- To practice square fitting, drilling and tapping.
- To practice straight fitting.
- To practice the triangular fitting.
- To practice radius and angular fitting.
- To make bracket while doing marking, bending, filing, drilling, riveting and checking alignment using try square.
- To practice drilling and tapping.
- To practice the universal state of holes and checking it while marking, filing, drilling, taping, drawing and stud fitting.
- To practice counter sinking, counter boring and reaming.
- To practice filing and scraping on the bearing surface with accuracy.
- To practice external and internal radial and angular fitting.
- Prepare the ± 0.04 mm dovetail sliding using lower pin and screws.
- To prepare parallel and angular matching, thread cutting and sliding fit by using die with precision of ± 0.04 mm.
- To assemble the parts of a machine.
- To repair the parts of the machine.
- Setting up of the arc welding plant and practicing arc striking.
- Welding the MS sheet using the filler rod or without using the filler rod as shown in the drawing.
- Making a bid in a straight line from a 10 mm thick mild steel plate placed in a flat position as given in the drawing.
- Making a square butt joint using the butt weld from the MS sheet in a flat state.
- To make the fillet weld (external corner joint) with a 3.5 mm mild steel sheet in a flat state according to the given drawing.
Fitter Trade Operations-III
- To practice triangular internal fitting.
- To practice hexagonal rod fitting.
- To make key and key ways on the shaft and fitting.
- To make a V-groove and slot.
- To make lap riveted joints.
- To make butt riveted joints.
- To practice drilling on the cylindrical surface.
- To practice scraping on the flat surface.
- To practice scraping on the curved surface.
- To practice scraping on the internal and angular surfaces.
- To prepare the assembly fitting of the dowel pin and the screw.
- To make a ± 0.02 mm sliding assembly using dowel pins and tap screw.
- To practice sliding fitting.
- To practice angular or radius marking through filing.
- To practice radius and straight step fitting.
- To practice triangular and slot fitting.
- To practice angular fitting.
- To practice dovetail fitting.
- To drill blind hole and through hole in the ‘Y’ fitting at certain angle.
- To practice double square and radius fitting.
- To practice tapping, reaming, counter sinking, counter boring and checking.
- To practice hexagonal fitting.
- To practice chamfering, drilling, tapping and internal fitting.
- To make a snap gauge with an accuracy of ± 0.2 mm.
- To practice radius fitting.
- To make centre gauge.
- To practice internal diamond fitting.
- To practice the spark test to determine the amount of carbon in steel.
Fitter Trade Operations – IV
- To practice ‘H’ fitting.
- To practice hand lapping of gauges.
- To practice hand reaming and fitting of taper pin, dowel pin, stud pin and bolt.
- To prepare the jig for drilling.
- To prepare ‘V’ block.
- To manufacture the adjustable wrench.
- To practice the pipe bending by hot/cold method.
- To cut the pipe using hacksaw.
- To practice the assembling of G.I pipe with standard pipe fitting.
- To service the gate valve assembly.
- To assemble the water tap.
- To service the globe valve assembly.
- To service the non-return valve assembly.
- To do maintenance of the fire extinguisher.
- To refill the fire extinguisher.
- To perform screw cutting and straight fitting.
- To study the manufacturing of tempering spring.
- To practice the tempering of spring.
- To practice the marking, cutting and drilling of stainless steel plate or aluminum metal without damaging the respective objects.
- To practice drilling and tapping on the brass and copper jobs.
- To fit the pulley on shaft and replace the damaged key with the new key.
- To repair and replace a damaged belt.
- To repair the broken gear teeth by the pegging and dovetail processes.
- To prepare a packing gasket from rubber or fiber sheet.
- To prepare the gasket packing using a hollow punch.
- To form various knots using ropes and removing the damaged ropes.