Advanced Modules - Directorate General of Employment & Training

Module I
Repair and Maintenance of Harvesting Machines
Theory
Reapers • Importance of Harvesting Mechanization
Vertical Conveyor
Reaper (VCR)
• Role and Importance of Reaper
• Types of reapers
o Vertical conveyor reaper
o Horizontal conveyor reaper
o Bunch conveying reaper
• Reaper binder
• Components of vertical conveyor reaper :
o Cutter bar assembly
o Gathering header assembly
o Vertical Lugged Conveying Belt Assembly
o Power Train Arrangement
o Traction chassis and Mainframe
o Ground wheel and Prime wheel
• Working principle and functions of each assembly
Prime Mover • Prime movers used for operation of vertical conveyor
reapers
o Tractor - for tractor front mounted reaper
o Engine - for walking and riding type reapers
Common tools • Selection and use of various tools e.g.
o Screw driver, pliers, hammers, chisels,
hacksaw, spanners, sockets, cleaning brushes,
pullers etc.
Practicals
• Draw free hand sketches of different components of
reapers
• Field visits to observe harvesting mechanization
• Practice in free hand sketching of different assemblies
• Operate the tractor with various controls of lifting
and lowering of implements
• Fit the reaper with tractor
• Fit the reaper with engine
• Set and adjust the reapers
• Select and use different hand tools for various operations
safely.
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