Mini combine harvester maintenance

M.M.Palitha Mahinda MunasingheFarm Mechanical Instructor

palithamahinda@yahoo.compalithamahinda@yahoo.com

Mini Combine HarvesterMini Combine HarvesterMaintenanceMaintenance

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A. Light weight, low ground pressure and reliable paddy field moving

B. Stable quality for special harvester gearbox

C. Combination of fan and sieve system, and twice grain cleaning device C. Easy to make maintenance with outer assembling

D. Convenient to operate with control system and comfortable driver's seat D. Suitable for small field of hilly land, for its small turning radius and flexible operation

Main Features Mini Combine Harvester Main Features Mini Combine Harvester

Harvesting Capacity : 0.07 ~ 0.15 Ha./H Overall Dimensions :(L x W x H) 3770×1554×1620 mm Weight : 550 kg Engine Rated Power : 15/2200 hp/rpm Cooling System: Water Cooling Fueling Consumption : 250.2 g/kwh Rubber Wheel Tire size:24 x 10 Rear Wheel Rubber wheel size :4.00-8 Header Cutting Width: 1300 mm Header Feeding Capacity: 0.6 kg/s Type of Lifting Hydraulic Cleaning Sieving + Suction Total Loss: ≤3.0% Breakage : ≤1.0% Impurity: ≤7%

Mini Combine Harvester Mini Combine Harvester

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Complete Threshing, Transport, In Casement, Straw Crushing At One Time

Mini Combine Harvester Mini Combine Harvester

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Combine Harvester -ACombine Harvester -A

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Engine : 88 Hp / 2800rpmCutter Bar Width: 2300 mmHeight-adjustment: HydraulicallyReel Type Pick upSpeed adjustment: MechanicallyHeight adjustment: HydraulicallyThresher Drum: 600 mm ØLength: 765mmSpeed: 600 to 950Adjustment: MechanicallyNo. of spikes: 90No. of straw walker : 4Cleaning Area: 710 x 1850 mmType: Forced air cleaningAdjustment: MechanicallyTransmission: Fully hydro static controlledIndependently by two levers Speed :0-10 km/hrDimensionsLength:6300 mmHeight:3250 mmWidth:2350 mm

Combine Harvester Combine Harvester Specification- ASpecification- A

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Sketch of Combine Sketch of Combine HarvesterHarvester

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1. Dual Threshing Cylinder system, more clean and less breakage

2. One-Lever controlling steering and lifting of cutter bar, easy operation

3. Manual gear transmission and HST auto gear transmission

are both available for your choice

Combine Harvester-BCombine Harvester-B(Auto Transmission)(Auto Transmission)

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Harvesting Capacity : 0.2 ~ 0.4 Ha./HOverall Dimensions (L x W x H) :4760×2080×2580 mmWeight : 2380 kgEngine: 4-cylinder diesel engine

Rated Power: 55 hp (40kw) / 2600 rpmRubber Track (width x pitch): 350 x 90 mmNo. of Spikes: 46Transmission: HST Auto TransmissionGround Pressure: ≤24 kpaMin. Ground Clearance: 250 mmTotal Loss : Rice≤3%

Wheat≤1.5%Breakage: ≤2.0%Impurity: ≤2.0%

Combine Harvester Combine Harvester Specification-BSpecification-B

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Auto Combine Harvester - CAuto Combine Harvester - C

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Combine Harvester Combine Harvester Specification - CSpecification - C

Dimension(Length x Width x Height) : 4400x2300x2700 mmWeight : 2300kgWorking efficiency : 0.26~0.53 ha/hCutter bar length: 2200mm Engine Power: 60/2400 hp/rpm Travelling system Crawler specification Rubber Track: 400x90x46 / 400x90x48 Ground pressure: 21 kpaGround clearance: 260mm Transmission: Hydraulic Step less System Threshing cylinder Type : Axial flow, Spike tooth Diameter& length: 550mmx1285mm Cleaning system: Chaffer sieve + front blowing

and rear suction fanWorking speed: 0.5~1.2 m/sGrain tank capacity: 0.85cumeterGrain unloading method Discharge auger or Bags Total loss: (%) Rice<3 Breakage rate: (%) Rice<1.5 Impurity rate: (%) <2

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• Shears

• The knife

• The knife guard

• Wear plates

• Hold-down clips

Starting with the platformStarting with the platform

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• Auger fingers and finger bearings

• Finger guides

• Rotary and Stationery Knives

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Starting with the platform Starting with the platform Cont.Cont.

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• Gatherer belt

• Feed accelerator

• Rasp bar

• Threshing elements

Starting with the platform Starting with the platform Cont.Cont.

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Tractor Operated Combine Harvester - DTractor Operated Combine Harvester - D

The importance of replacing The importance of replacing worn components worn components

• Keeping harvester operating at its full potential Feeding, threshing, and separating

performance is reduced Poor combine performance Reducing profits Will reduce loss and increase profits

(up to 80 percent of crop loss can occur at the platform or header area)

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• Poor feeding of material to the threshing area Can cause plugging

Cylinder drive component failureIncomplete threshing

• Worn threshing components Incomplete threshing

• Worn augers and elevator paddlesReduced combine productivity

The importance of replacing The importance of replacing worn components worn components

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• Garage area• Small Washing Plant• Workshop bench• Appropriate tools• Battery charger• Minimum storage of Fuel ,oil and

Grease

Required Facilities Required Facilities MaintenanceMaintenance

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