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| Home / Farm Tractors / Mahindra Tractors / Mahindra 3525 |
Mahindra 3525 Troubleshooting
The
Mahindra 3525 is a 2WD utility tractor from 25 Series. This model was
manufactured from 2004 to 2008. The components of Mahindra 3525 powerline
system: a 115.4 cubic inches (1.9 L) Mahindra MDI 1895 three-cylinder direct
injection naturally aspirated liquid-cooled diesel engine with a rated power of
35 hp (26 kW), and sliding mesh transmission with 8 forward and 2 reverse gears.
The maximum travel speed (forward/reverse): 17.5 mph (28 km/h) and 11
mph (17.5 km/h). The open center hydraulic system includes a gear pump
with rated fluid flow of 8.3 gal/min (31.4 l/min). The Mahindra 3525 is
equipped with a hydrostatic power steering system, dry disc type brakes,
6.00x16 front tyres, and 12.4x28 rear tyres. The tractor is compatible
with Mahindra ML230 front loader with lift capacity to full
height of 2500 lbs (1135 kg), and breakout force of 4200 lbs (1905 kg).
| Engine Troubleshooting |
| Diesel hard to start or doesn't start |
Air trapped in fuel system - Bleed air.
Fuel filter element clogging - Service or replace the filter.
Fuel injection nozzles are faulty or clogged - Inspect nozzles and replace if necessary.
Water or dirt in fuel system - Drain, flush, and service the system.
The valve clearance is not adjusted - Adjust valve clearance.
Defective fuel injection pump - Install a new pump or rebuild.
| Engine starts but stalls suddenly |
Clogged air filter element - Service or replace the air filter.
Clogged fuel filter - Clean the filter element.
Fuel injection pump is leaking - Repair any leaks.
Clogged or defective injectors - Test and replace fuel injectors if necessary.
Fuel injection pump is damaged - Repair or install a new fuel pump.
| Engine stops suddenly during operation |
Engine not warmed up - Warm up to required temperature.
Dirty fuel filter - Clean the filter or install new filter element.
Air in the fuel system - Air bleeding.
Fuel injection nozzles are faulty or clogged - Check injection nozzles and replace if required.
Timing of fuel injection pump is incorrect - Set the fuel pump timing correctly.
| Engine stops when idle |
Incorrectly set low idle speed - Normalize low idle speed.
Defective fuel injection pump - Rebuild or replace pump.
Clogged or defective injectors - Replace or clean fuel injectors.
Incorrect valve clearance - Have it adjusted.
| Diesel engine loses power |
Air filter plugged - Clean air cleaner element.
Fuel injection nozzles are damaged - Clean or replace injection nozzles.
Insufficient fuel injection pressure - Adjust to proper pressure.
Excessive valve clearance - Adjust valve clearance.
Improperly adjusted low idle speed - Adjust low idle speed.
Dirty fuel hoses or lines - Clean fuel lines and hoses.
Damaged cylinder-head gasket - Cylinder-head gasket replacement required.
Piston rings are worn or defective - Piston rings replacement required.
| Engine overheated |
Lack of coolant in cooling system - Refill to the correct level and inspect system for leaks.
Insufficient engine oil - Need to add engine oil.
Radiator fins are clogged or radiator cap is faulty - Change cap or clean radiator.
Excessive wear of the fan belt - Change the fan belt.
Diesel engine is overloaded - Change to lower gear or reduce load.
| Insufficient oil pressure |
Engine oil insufficient - Add oil as required.
Oil filter element is dirty - Replace or clean engine oil filter element.
Oil grade or viscosity is wrong - Drain crankcase and refill with correct oil.
Main bearing oil clearance is excessive - Bearing needs to be changed.
Oil pump malfunction - Inspect and change as required.
| Engine noises or knocks |
Engine oil level is low - Check and refill engine oil.
Engine is cold - Normalize the temperature by warming up the engine.
Wrong setting of fuel injection pump timing - Adjust as recommended.
Incorrectly adjusted low idle speed - Adjust low idling as recommended.
Defective fuel injectors - Clean or replace fuel injectors.
Faulty or misaligned connecting rod - Need to replace or align the connecting rod.
Broken or worn pistons - Have pistons replaced.
| Transmission Troubleshooting |
| Low transmission oil pressure |
Transmission oil insufficient - Add oil to the transmission housing.
Dirty transmission fluid filter (if fitted) - Replace or service transmission fluid filter.
Relief valve is stuck - Replace relief valve.
| Transmission noises |
Transmission fluid level is low - Checking transmission fluid level and add if necessary.
Transmission oil is dirty - Fill up with fresh transmission oil.
Improper backlash or worn gears - Install new gears and adjust backlash properly.
Worn or broken bearings - Change the bearings.
Shift forks are bent or worn out - Change defective shift forks.
Worn or damaged shaft splines - Change the shaft.
| Gear hard to shift |
Corroded or worn gear shift linkage - Install a new gear shift linkage.
Worn or bent gear shift forks - Change defective shift forks.
Gearshift mechanism is damaged - Replace or repair the mechanism.
Clutch is faulty or misadjusted - Replace or adjust clutch.
| Transmission oil leaking |
High transmission fluid level - Drain the excess fluid.
Damaged gaskets or seals - Gaskets or seal need to be replaced.
| Hydraulics Troubleshooting |
| Hydraulic oil pressure is insufficient |
Low hydraulic oil level - Checking hydraulic oil level and add if necessary.
Dirty hydraulic fluid filter element - Clean or replace the hydraulic filter.
Faulty hydraulic pump - Replace or repair hydraulic fluid pump.
Hydraulic control valve block is set improperly - Set properly.
Broken hydraulic cylinder - Repair or change hydraulic cylinder.
Hydraulic piping is leaking - Check the hydraulic system and fix leaks.
| Excessive hydraulic system heat |
Damaged main relief valve - Relief valve must be changed.
Wrong hydraulic oil type - Fill up with the correct type of oil.
Dirty hydraulic fluid - The fluid must be changed.
Air in hydraulic lines - Bleed hydraulic lines.
| 3-point hitch fails to lift or lifts slowly |
Heavy load on the hitch - Reduce hitch load.
Low hydraulic oil level - Check and refill the hydraulic oil.
Hydraulic oil filter is clogged - Replace hydraulic filter element or service if necessary.
Defective hydraulic pump - Change or repair hydraulic fluid pump.
Damaged main relief valve - Relief valve must be changed.
Damaged hydraulic control valve - Install a new hydraulic valve or repair it.
Hydraulic cylinder failure - Install a new hydraulic cylinder or repair it.
Disconnected or broken suction line - Change or connect properly.
| Hitch fails to drop or drops slowly |
Hydraulic spool valve block is not adjusted properly - The spool valve should be properly adjusted.
Hydraulic cylinder is faulty - Repair or change hydraulic cylinder.
Unadjusted hitch - The hitch must be adjusted.
Worn hitch rock shaft - Change the shaft.
| Hitch lowering or lifting is jerky |
Air trapped in hydraulic system - Bleed air from system.
Dirty hydraulic fluid - The fluid must be changed.
Hydraulic pump failure - Replace or repair hydraulic fluid pump.
Hydraulic spool valve block is faulty - Install a new valve or repair it.
Hydraulic cylinder is faulty - Repair or change hydraulic cylinder.
| Steering Troubleshooting |
| Steering wheel is hard to turn |
Incorrectly mounted or defective steering column - Mount the steering column correctly or replace it.
Air in steering hydraulic system - Need to bleed air.
Not adjusted toe-in - Adjust toe-in wheels.
Tire pressure uneven - Inflate the tires correctly.
Steering pump malfunction - Install a new hydraulic steering pump.
Stuck or faulty steering pump control valve - Install a new flow control valve or clean it.
Not enough steering fluid - Fill up steering fluid to required level.
| Excessive play in steering |
Steering column shaft or coupling has maximum wear - Change defective component.
Damaged hydraulic steering pump - Install a new hydraulic steering pump.
Steering linkage joints are worn or loose - Replace or repair steering linkage.
| Tractor is pulling to left or right |
Uneven wear on front tires - Replace the tires.
Not adjusted toe-in - Adjust toe-in wheels.
Steering linkage joints are worn or loose - Inspect and change as required.
Incorrectly adjusted or damaged front wheel bearings - Adjust correctly or replace bearings.
| Electrical System Troubleshooting |
| Battery will not charge |
Loose or corroded cable connections - Tighten or clean electrical wiring connections.
Faulty battery terminal clamps - Change terminal clamps.
Dead cell in battery - Install a new battery.
Defective or loose belt - Change belt or adjust belt tension.
| Starter motor cranks slow |
Battery voltage is low - Charge the battery.
Battery does not hold charge - Battery needs service or replacement.
Faulty battery terminals or disconnected cables - Check cables and clean or change terminals.
| Starter does not work |
Battery is discharged or defective - Recharge or replace battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery capacity is low - Recharge the battery.
Damaged starter motor - Repair or change starter.
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| Farm Tractors Technical Specifications |