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| Home / Farm Tractors / Mahindra Tractors / Mahindra Max 26XLT |
Mahindra Max 26XLT Troubleshooting
The
Mahindra Max 26XLT compact utility tractor was manufactured between 2018 and
2023. The Mahindra Max 26 XLT tractor is powered by Mitsubishi S3L2
three-cylinder indirect injection water-cooled diesel engine. A 80.4 cubic
inches (1.3L) engine has a cylinder bore of 3.07" (78 mm), piston stroke of
3.62" (92 mm), and rated power of 26 Hp (19.3 kW). The Mahindra Max 26XLT is
fitted with a 2 transmission options: 8x8 synchro shuttle transmission, or
two-range hydrostatic transmission. The maximum forward speed - 11.2 mph (18
km/h), maximum reverse speed - 9.4 mph (15.1 km/h).
The open center hydraulic system includes a gear pump with rated fluid flow of 5.8 gal/min (22 l/min). The tractor is equipped with a hydrostatic power steering, wet disc brakes, 7.00x12 (AG) or 23x8.5-12 (Turf) front tyres, and 9.50x16 (AG) or 33x12.5-15 (Turf) rear tyres. The wheelbase is 63.2" (1605 mm). The tractor is compatible with a 60" mid-mount 3-blade side discharge Mahindra 65M mower deck with cutting height of 1-4" (25-102 mm), Mahindra MXLT26L front end-loader with a maximum lift height of 82.7" (2100 mm), and Mahindra 26B backhoe with maximum digging depth of 80" (2030 mm).
| Engine Troubleshooting |
| Engine starts hard or will not start |
Air in the fuel pipes - Bleed the fuel pipes.
Fuel filter plugged - Replace filter element.
Clogged or defective injection nozzles - Service or change injection nozzles.
Dirt or water in fuel system - Drain water or flush dirt from the system.
Incorrect valve clearance - Need to adjust valve clearance.
Defective fuel injection pump - Rebuild or install a new injection pump.
| Diesel starts but stalls suddenly |
Restricted intake air - Clean or replace the element.
Fuel filter element clogging - Service or replace the filter.
Fuel injection pump leakage - Check the fuel injection pump for leaks and fix it.
Fuel injectors are faulty or clogged - Replace or clean fuel injectors.
Fuel injection pump is defective - Replacement or repair required.
| Engine stops suddenly during operation |
Engine is not preheated - Warm up the engine.
Fuel filter plugged - Filter maintenance required.
Air trapped in fuel system - Bleed air.
Fuel injection nozzles are damaged - Clean or change injection nozzles.
Fuel injection pump timing is not adjusted - Set it up as required.
| Engine stalls when idling |
Improperly adjusted low idle speed - Correct the settings.
Faulty fuel injection pump - Replace or rebuild injection pump.
Dirty or defective injectors - Inspect fuel injectors and change as required.
Valve clearance is out of adjustment - Adjust valve clearance according to specifications.
| Poor engine power |
Restricted intake air - Replace air filter element.
Defective injection nozzle - Clean or replace injection nozzles.
Incorrect fuel injection pressure - Adjust to proper pressure.
Improper valve clearance - Have it adjusted.
Low idle speed set incorrectly - Adjust the low idle speed.
Dirt in the fuel hoses or lines - Fuel lines and hoses need to be cleaned.
Cylinder head gasket is blown - Cylinder-head gasket replacement required.
Worn or broken piston rings - Replace the piston rings as required.
| Engine overheats |
Not enough coolant - Refill to the correct level and inspect system for leaks.
Insufficient engine oil - Check and refill engine oil.
Dirty radiator core or faulty radiator cap - Clean radiator or install new cap.
Loose or defective fan belt - Fan belt must be replaced.
Diesel engine overloaded - Load reducing required.
| Insufficient oil pressure |
Low crankcase oil level - Fill the crankcase with oil.
Clogged oil filter - Replace or clean engine oil filter element.
Oil grade or viscosity is wrong - Use proper viscosity oil.
Incorrect oil clearance in crankshaft bearing - Replace bearings.
Worn oil pump - Inspect and change as required.
| Engine knocking or noise |
Lack of engine oil - Need to add engine oil.
Engine is cold - Engine is not warmed up to the required temperature.
Improper fuel injection timing - Adjust as recommended.
Improperly adjusted low idle speed - Adjustment required.
Damaged or clogged injectors - Clean or replace fuel injectors.
Connecting rod is worn or misaligned - Connecting rod needs to be aligned or changed.
Piston wear or scoring - Pistons replacement required.
| Transmission Troubleshooting |
| Lack of transmission oil pressure |
Transmission oil insufficient - Fill the transmission housing with oil.
Dirty transmission fluid filter (if fitted) - Clean or change transmission fluid filter.
Stuck relief valve - Change the valve.
| Transmission is excessively noisy |
Transmission fluid level is low - Fill the transmission housing to proper fluid level.
Transmission oil is contaminated - Transmission oil change required.
Gears are damaged or backlash is incorrect - Replace defective gears or set backlash properly.
Worn or damaged bearings - Faulty bearings should be replaced.
Worn or bent gear shift forks - Change defective shift forks.
Worn or stuck shaft splines - Replace defective shaft.
| Gear hard to shift |
Gear shift linkage is corroded or worn - Lubricate or replace the shift linkage.
Worn or bent gear shift forks - Shift forks need to be replaced.
Defective parts in the gearshift mechanism - Replace defective parts.
Clutch is faulty or misadjusted - Clutch replacement or adjustment required.
| External oil leaks |
High transmission oil level - Correct the oil level.
Damaged seals or gaskets - Seals and gaskets replacement required.
| Hydrostatic Transmission Troubleshooting |
| HST transmission is excessively noisy |
Transmission fluid is dirty or fluid level is too low - Pour fresh fluid or add transmission fluid to proper level.
Defective or not adjusted speed control pedal linkage - Adjust or install new linkage.
Stuck relief valve - Replace relief valve as required.
Transmission is under excessive load - Reduce loading.
Transmission parts are worm or defective - After disassembly and inspection, replace defective components.
| Loss of power |
Transmission oil insufficient - Fill the transmission housing with oil.
Relief valve is damaged - Change relief valve.
Speed control linkage is worn or unadjusted - Adjust or change linkage.
| Transmission oil overheating |
Low oil level - Fill up the transmission oil.
Dirty transmission fluid filter - Clean or change transmission fluid filter.
Clogged or damaged cooling components - Inspect all cooling components and replace or repair if necessary.
Excessive loading - The load should be reduced.
| Transmission fluid leaking |
Damaged seals or gaskets - Install new gaskets or seal.
High internal transmission case pressure - Replace worn components.
Clogged transmission fluid return tube - Clean or replace return tube.
| Hydraulic System Troubleshooting |
| Hydraulic fluid pressure is insufficient |
Hydraulic oil level low - Fill the system to proper hydraulic oil level.
Hydraulic oil filter is clogged - Service the hydraulic filter or change if required.
Defective hydraulic pump - Repair or replace hydraulic fluid pump.
Hydraulic spool valve is not set properly - Set the spool valve properly.
Defective hydraulic cylinder - Install a new hydraulic cylinder or repair it.
Hydraulic piping is leaking - Check the system and repair leaks.
| Excessive hydraulic system heat |
Main relief valve is defective - Relief valve need to be replaced.
Hydraulic fluid type is improper - The proper type of fluid must be used.
Hydraulic fluid is dirty - Hydraulic fluid change required.
Air in hydraulic lines - Bleed hydraulic lines.
| Hitch can't lift or lifts too slowly |
Excessive hitch loading - Reduce the load is required.
Low hydraulic oil level - Fill the system to proper hydraulic oil level.
Dirty hydraulic oil filter element - Replace filter element or clean if required.
Defective hydraulic pump - Change or repair hydraulic oil pump.
Damaged main relief valve - Relief valve must be changed.
Damaged hydraulic control valve - Repair or replace the valve.
Faulty hydraulic cylinder - Replace or repair hydraulic cylinder.
Loose or broken suction pipe - Retighten or replace pipe.
| Hitch won't drop or drops slowly |
Hydraulic spool valve is not set properly - Set the spool valve properly.
Damaged hydraulic cylinder - Repair or install a new hydraulic cylinder.
Misadjusted hitch - The hitch must be adjusted.
Damaged lift arm shaft - Replace the shaft.
| Hitch lift or drop is not smoothly |
Air in hydraulic lines - Bleed hydraulic lines.
Hydraulic fluid is dirty - Hydraulic fluid change required.
Hydraulic pump malfunction - Change or repair hydraulic fluid pump.
Faulty hydraulic spool valve - Repair or replace hydraulic valve.
Hydraulic cylinder failure - Repair or replace hydraulic cylinder.
| Steering Troubleshooting |
| Steering is hard |
Incorrectly assembled or damaged steering column - Reassemble the steering column correctly or change it.
Air lock in the steering system - Bleed air.
Incorrect toe-in - Adjust toe-in properly.
Uneven tyre pressure - Inflate the tyres properly.
Steering pump stopped working - Check the steering pump and replace if necessary.
Pump flow control valve is stuck or damaged - Clean or install new control valve.
Lack of steering oil - Fill the steering system with oil.
| Excessive steering wheel play |
Steering column coupling or shaft has maximum wear - Change defective part.
Steering pump stopped working - Replace or repair steering pump.
Steering linkage joints are worn or loose - Repair or change steering linkage.
| Tractor is pulling to right or left |
Uneven tire pressure - Inflate the tires properly.
Incorrect toe-in - Adjust toe-in properly.
Steering linkage components are loose or worn - Change or repair steering linkage.
Front wheel bearings are defective or improperly adjusted - Adjust correctly or install new bearings.
| Electrical Troubleshooting |
| Battery does not charge |
Wiring connections are corroded or loose - Tighten or clean connections.
Defective battery terminal connectors - Install new terminal connectors.
Battery bad cell - Replace the battery.
Loose or worn belt - Adjust belt tension or install a new belt.
| Starter turns slowly |
Battery voltage is low - Battery is drained, charge it.
Battery does not hold charge - Service charging system or change battery.
Disconnected wires or corroded battery terminals - Connect wires properly or change terminals.
| Starter does not work |
Battery is drained or worn - Change or recharge battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Battery capacity is low - Low battery charging, charge as required.
Starter motor is defective - Repair or replace starter.
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| Farm Tractors Technical Specifications |