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| Home / Farm Tractors / Mahindra Tractors / Mahindra Max 25XL |
Mahindra Max 25XL Troubleshooting
The
Mahindra Max 25 XL is a four-wheel drive compact utility tractor. This model was
manufactured from 2018 to 2023. The components of Mahindra Max 25XL powerline
system: a 80.4 cubic inches (1.32 L) Mitsubishi S3L2 4-cycle 3-cylinder indirect
injection liquid-cooled diesel engine with a rated power of 24 Hp (18.2 kW), and
two-range hydrostatic transmission with infinite forward and reverse gears. The
maximum travel speed (forward/reverse): 9.6 mph (15.5 km/h) and 5.0 mph (8.0
km/h).
The open center hydraulic system includes a gear pump with rated fluid flow of 4.6 gal/min (17.5 l/min). The Mahindra Max 25 XL is equipped with a hydrostatic power steering system, wet disc brakes, 20x8.00-10 front tyres, and 29x12.5-15 rear tyres. The wheelbase is 58.2" (1470 mm). The tractor is compatible with a 60" mid-mount 3-blade side discharge Mahindra 62M mower deck with cutting height of 1-4" (25-102 mm), Mahindra MXL25L front end-loader with a maximum lift height of 75" (1900 mm), and Mahindra 26B backhoe with maximum digging depth of 80" (2030 mm).
| Diesel Engine Troubleshooting |
| Engine starts up hard or will not start |
Air in fuel system - Bleed fuel system.
Clogged fuel filter - Clean or replace the filter.
Clogged injection nozzle - Clean or change injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Excessive valve clearance - Correct valve clearance needs to be set.
Fuel injection pump malfunctioning - Rebuild or replace pump.
| Engine starts but immediately stalls |
Intake air restriction - Clean or replace the element.
Dirty fuel filter - Filter maintenance required.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Fuel injectors are faulty or clogged - Clean fuel injectors or change it.
Fuel injection pump is damaged - Repair or install new pump.
| Engine shuts off while running |
Engine not warmed up - Warm up engine as required.
Clogged fuel filter - Service the filter.
Air in the fuel system - Air bleeding.
Fuel injection nozzles are damaged or dirty - Check and replace nozzles if required.
Improper fuel injection timing - Adjust according to specifications.
| Engine stalls when idle |
Improperly adjusted low idle speed - Test and adjust.
Defective fuel injection pump - Install a new fuel pump or repair.
Dirty or defective injectors - Inspect fuel injectors and change as required.
Valve clearance is wrong - Check and adjust as required.
| Engine loses power |
Dirty air cleaner - Service air cleaner.
Fuel injection nozzles are clogged or faulty - Change fuel injection nozzles.
Incorrect fuel injection pressure - Adjust pressure to proper level.
The valve clearance is not adjusted - Have it adjusted.
Low idle speed setting is incorrect - Adjust low idling as recommended.
Dirty fuel lines or hoses - Clean fuel system hoses and lines.
Cylinder head gasket is blown - Install a new gasket.
Leaking or defective piston rings - Install new piston rings.
| Engine is overheated |
Low coolant level - Add coolant and check the components of cooling system.
Engine oil level is insufficient - Check oil level and add oil as required.
Clogged radiator core or damaged radiator cap - Clean radiator or install new cap.
Broken or loose fan belt - Belt replacement is recommended.
Diesel engine is overloaded - Reduce load on the engine.
| Oil pressure is low |
Engine oil insufficient - Fill up the engine oil.
Oil filter clogged - Change or service engine oil filter.
Different type of engine oil - Use proper viscosity oil.
Crankshaft bearing has excessive oil clearance - Bearing needs to be changed.
Worn oil pump - Inspect and change as required.
| Engine noise or knocking |
Not enough engine oil - Fill the crankcase with engine oil.
Coolant temperature is low - Warm up to required temperature.
Fuel injection pump timing is wrong - Adjust the pump as required.
Low idle speed setting is incorrect - Need to adjust idle speed.
Fuel injectors are dirty or defective - Clean fuel injectors or change it.
Connecting rod is misaligned or worn - Connecting rod needs to be replaced or aligned.
Broken or worn pistons - Replace the pistons.
| Hydrostatic Transmission Troubleshooting |
| Excessive HST transmission noise |
Contaminated transmission fluid or low fluid level - Top up to proper level or change transmission fluid.
Speed control pedal linkage is bent or not adjusted - Adjust or replace linkage.
Relief valve is damaged - Change the valve.
Excessive transmission load - Reduce loading.
Worn or defective transmission components - Check internal transmission parts for damage or wear and replace if required.
| Power is insufficient |
Transmission oil insufficient - Need to add transmission oil.
Relief valve failure - Replace the valve.
Worn or out of adjustment speed control linkage - Change or adjust linkage.
| Transmission fluid overheating |
Low oil level - Fill the transmission housing to proper oil level.
Dirty transmission fluid filter - Clean or change transmission fluid filter.
Damaged or clogged cooling components - Inspect all cooling components and replace or clean if necessary.
Excessive transmission load - Load needs to be reduced.
| Transmission oil leakage |
Seals or gaskets are broken - Install new seal or gaskets.
Internal transmission housing pressure is too high - Replace worn components.
Oil return tube is plugged - Clean or replace the tube.
| Hydraulic System Troubleshooting |
| Hydraulic oil pressure is insufficient |
Low hydraulic fluid level - Fill up the hydraulic fluid.
Dirty hydraulic oil filter element - Change hydraulic filter element or clean if necessary.
Defective hydraulic pump - Repair or replace hydraulic fluid pump.
Incorrect adjusted hydraulic spool valve - Adjust the spool valve correctly.
Hydraulic cylinder failure - Change or repair hydraulic cylinder.
Hydraulic piping is leaking - Check the system and repair leaks.
| Hydraulic system overheated |
Defective main relief valve - Relief valve must be changed.
Wrong hydraulic fluid type - Pour the proper type of fluid.
Contaminated hydraulic fluid - Change hydraulic fluid.
Air in the hydraulic system - Air bleeding.
| Hitch not raising or hitch raises slowly |
Excessive hitch loading - Load needs to be reduced.
Hydraulic oil level low - Check and refill the hydraulic oil.
Clogged hydraulic fluid filter - Service or replace the hydraulic filter.
Hydraulic pump not working - Replace or repair hydraulic fluid pump.
Damaged main relief valve - Relief valve must be changed.
Faulty hydraulic control valve - Install a new hydraulic valve or repair it.
Hydraulic cylinder not working - Change or repair hydraulic cylinder.
Disconnected or broken suction line - Change or connect properly.
| 3-point hitch can't drop or drops too slowly |
Hydraulic control valve is set improperly - The control valve must be set correctly.
Defective hydraulic cylinder - Install a new hydraulic cylinder or repair it.
The hitch is not adjusted - Adjustment is required.
Lift arm shaft is damaged - Change the shaft.
| Hitch lower or lift is jerky |
Air in the hydraulic system - Air bleeding.
Dirty hydraulic oil - The oil must be changed.
Hydraulic pump failure - Install a new hydraulic oil pump.
Defective hydraulic control valve block - Replace or repair the valve.
Hydraulic cylinder malfunction - Repair or install a new hydraulic cylinder.
| Steering Troubleshooting |
| Hard Steering |
Incorrectly assembled or damaged steering column - Reassemble the steering column correctly or change it.
Air in steering hydraulic system - Need to bleed air.
Improper toe-in - Check toe-in and correct.
Tyre pressure is uneven - Adjust the tyre pressure.
Steering pump failure - Steering pump needs to be repaired or replaced.
Pump flow control valve is worn or stuck - Replace or clean flow control valve.
Low steering oil level - Fill up the steering oil.
| Steering wheel has too much free-play |
Worn steering column coupling or shaft - Change faulty component.
Damaged hydraulic steering pump - Steering pump needs to be replaced or repaired.
Steering linkage components are loose or worn - Inspect and change as required.
| Tractor is pulling to left or right |
Tyre pressure is uneven - Adjust the tyre pressure.
Not adjusted toe-in - Adjust toe-in properly.
Loose or worn steering linkage components - Inspect and replace as required.
Front wheel bearings are defective or improperly adjusted - Adjust correctly or replace bearings.
| Electrical Troubleshooting |
| Battery will not charge |
Loose or corroded cable connections - Tighten or clean electrical wiring connections.
Defective battery terminal clamps - Terminal clamps should be changed.
Faulty cell in battery - Change the battery.
Loose or worn belt - Adjust belt tension or change the belt.
| Starter turns slow |
Low battery power - Charge the battery.
Battery is draining quickly - Service charging system or install new battery.
Disconnected battery cables or bad terminals - Check cables and service or change terminals.
| Starter is not working |
Battery is drained or worn - Recharge or change battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery capacity is low - Battery is drained, charge it.
Starter motor failing - Change or repair starter.
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| Farm Tractors Technical Specifications |