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Mahindra 2665 Troubleshooting
The
Mahindra 2665 compact utility tractor was manufactured between 2018 and 2020.
The Mahindra 2665 driveline consists of 4-cycle 3-cylinder direct injection
turbocharged intercooled diesel engine and 12x12 synchro shuttle partial
synchromesh transmission. A 161.7 cubic inches (2.65 L) engine has a cylinder
bore of 3.78" (96 mm), piston stroke of 4.8" (122 mm), and rated power of 65 hp
(48.4 kW).
The maximum forward speed - 16.3 mph (26 km/h), maximum reverse speed - 15.6 mph (25 km/h). The open center hydraulic system includes a gear pump with rated fluid flow of 11 gpm (41.5 lpm). The Mahindra 2665 is equipped with a hydrostatic power steering system, hydraulic wet disc brakes, 9.50x20 front tyres, and 14.9x28 rear tyres. The tractor is compatible with Mahindra 2665CL front end-loader with a maximum lift height of 115.4" (2930 mm), and Mahindra 65B backhoe with maximum digging depth of 108" (2740 mm).
| Engine Troubleshooting |
| Diesel engine hard to start or doesn't start |
Air in fuel tank - Bleed fuel tank.
Fuel filter element is clogged - Change filter element.
Clogged or defective injection nozzles - Clean or replace injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Excessive valve clearance - Have it adjusted.
Damaged fuel injection pump - Rebuild or replace pump.
| Diesel starts and then shuts off |
Air filter plugged - Replace air filter element.
Dirty fuel filter - Filter maintenance required.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Clogged or defective injectors - Test and replace fuel injectors if necessary.
Fuel injection pump damage - Repair or install a new fuel pump.
| Engine stops running suddenly |
Engine is cold - Engine is not warmed up to the required temperature.
Fuel filter element is dirty - Clean or replace the filter.
Air trapped in fuel system - Bleed air.
Fuel injection nozzles fault - Clean or replace injection nozzles.
Fuel injection pump timing is not adjusted - Adjust according to specifications.
| Engine stalling at idle |
Low idle speed setting is incorrect - Normalize low idle speed.
Damaged fuel injection pump - Change or repair the pump.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Improper valve clearance - Correct valve clearance needs to be set.
| Engine power is too low |
Air filter is clogged - Clean or change the filter.
Fuel injection nozzles are damaged - Replace injection nozzles.
Fuel injection pressure is wrong - Correct the pressure settings.
Valve clearance is out of adjustment - Have it adjusted.
Improperly adjusted low idle speed - Adjust the low idle speed.
Clogged fuel hoses or lines - Clean fuel lines and hoses.
Leaking cylinder head gasket - Install new cylinder head gasket.
Worn or broken piston rings - Change piston rings.
| Engine overheats |
Engine coolant is insufficient - Top up coolant fluid and check system for leaks.
Engine oil level low - Fill up the engine oil.
Clogged radiator fins or damaged radiator cap - Replace cap or clean radiator.
Fan belt is broken or worn - The fan belt needs to be replaced.
Engine is running overloaded - Reduce load on the engine.
| Low oil pressure |
Not enough oil in the engine - Check and refill the oil.
Oil filter clogged - Clean or change engine oil filter.
Wrong oil viscosity - Use proper viscosity oil.
Excessive oil clearance of crankshaft bearing - Install new bearings.
Oil pump is damaged - Repair or change.
| Engine noises or knocks |
Engine oil level is low - Check oil level and add oil as required.
Engine is not preheated - Warm up to required temperature.
Fuel injection pump timing is wrong - Adjust according to specifications.
Incorrectly set low idle speed - Adjust as required.
Fuel injectors are faulty or clogged - Replace fuel injectors.
Faulty or misaligned connecting rod - Replace or align connecting rod.
Worn or broken pistons - Pistons replacement required.
| Transmission Troubleshooting |
| Low transmission fluid pressure |
Low oil level - Need to add transmission oil.
Clogged transmission fluid filter (if equipped) - Replace or service transmission fluid filter.
Relief valve malfunction - Replace the valve.
| Transmission noise |
Lack of transmission fluid - Fill the transmission housing to proper fluid level.
Transmission fluid is contaminated - Transmission fluid change required.
Damaged gears or incorrect backlash - Change the gears or set backlash properly.
Worn or broken bearings - Change the bearings.
Worn or damaged gear shift forks - Change the shift forks.
Shaft splines are worn or damaged - Change defective shaft.
| Hard shifts |
Rusty or worn gear shift linkage - Lubricate or replace the shift linkage.
Shift forks are bent or worn out - Shift forks need to be changed.
Gearshift mechanism is damaged - Replace or repair the mechanism.
Unadjusted or worn clutch - Adjust clutch or change if necessary.
| Transmission oil leaking |
Transmission fluid level is exceeded - Excess fluid must be drained.
Damaged seals or gaskets - Change defective seal or gaskets.
| Hydraulic System Troubleshooting |
| Low hydraulic system pressure |
Insufficient hydraulic fluid - Fill up the hydraulic fluid.
Dirty hydraulic oil filter element - Hydraulic filter maintenance required.
Defective hydraulic pump - Replace or repair hydraulic fluid pump.
Hydraulic control valve is out of adjustment - Need to make adjustment.
Damaged hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Hydraulic piping is leaking - Check the system and repair leaks.
| Hydraulics overheating |
Main relief valve failure - Replace relief valve.
Wrong hydraulic fluid type - Pour the proper type of fluid.
Dirty hydraulic oil - The oil must be changed.
Air in hydraulic lines - Bleed hydraulic lines.
| 3-point hitch can't lift or lifts too slowly |
Excessive hitch loading - Reduce loading.
Hydraulic oil level low - Need to add oil.
Clogged hydraulic oil filter - Service the hydraulic filter or change if required.
Hydraulic pump malfunction - Replace or repair hydraulic oil pump.
Main relief valve is faulty - Replace relief valve.
Faulty hydraulic control valve - Install a new valve or repair it.
Broken hydraulic cylinder - Repair or install a new hydraulic cylinder.
Disconnected or broken suction line - Change or connect properly.
| 3-point hitch won't lower or lowers slowly |
Hydraulic spool valve is out of adjustment - Spool valve adjustment required.
Faulty hydraulic cylinder - Repair or install a new hydraulic cylinder.
The 3-point hitch is not adjusted - The hitch must be adjusted.
Damaged lift arm shaft - Replace the shaft.
| Hitch lift or lower is jerky |
Air in hydraulic lines - Bleed hydraulic lines.
Hydraulic oil contamination - Change the oil.
Hydraulic pump malfunction - Repair or replace hydraulic fluid pump.
Hydraulic spool valve is damaged - Install a new hydraulic valve or repair it.
Hydraulic cylinder is defective - Repair or install a new hydraulic cylinder.
| Steering Troubleshooting |
| Stiff steering |
Incorrectly fitted or worn steering column - Refit or replace the steering column.
Air in steering hydraulic system - Air-bleed steering system.
Incorrect toe-in - Adjust toe-in wheels.
Uneven tyre pressure - Inflate the tyres properly.
Hydraulic steering pump is defective - Install a new hydraulic steering pump.
Steering pump control valve is stuck or faulty - Clean or install new control valve.
Lack of steering fluid - Need to add steering oil.
| Excessive steering wheel play |
Worn steering column shaft or coupling - Change faulty part.
Steering pump not working - Check the hydraulic steering pump and change if necessary.
Steering linkage parts are loose or worn - Check and change as required.
| Front wheels wander to right or left |
Uneven wear on front tyres - Replace the tyres.
Improper toe-in - Adjust toe-in properly.
Steering linkage joints are worn or loose - Check and replace as required.
Front wheel bearings are damaged or incorrectly adjusted - Adjust properly or replace bearings.
| Electrical Troubleshooting |
| Battery does not charge |
Corroded or loose electrical wire connections - Service or tighten connections.
Faulty electrical terminal connectors - Terminal connectors need to be changed.
Faulty cell in battery - Replace the battery.
Belt is damaged or loose - Adjust belt tension or change the belt.
| Starter motor turns slow |
Low battery output voltage - Battery needs to be recharged.
Battery does not hold charge - Service or change the battery.
Disconnected wires or corroded battery terminals - Connect wiring correctly or install new terminals.
| Starter will not work |
Battery is low or faulty - Charge or replace the battery.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Battery voltage is low - Charge the battery.
Defective starter motor - Starter needs to be replaced.
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| Farm Tractors Technical Specifications |