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Mahindra 4500 Troubleshooting
The
Mahindra 4500 is a 2WD or 4WD utility tractor from 00-Series. This model was
manufactured from 2001 to 2008. The Mahindra 4500 tractor is powered by 146
cu.in (2.4 L) 4-cycle 3-cylinder direct injection vertical water-cooled diesel
engine with a rated power of 42 hp (31.3 kW). The Mahindra 4500 is fitted with a
two transmission options: constant mesh transmission with 8 forward and 2
reverse gears, or synchomesh shuttle transmission with 8 forward and 8 reverse
gears.
The maximum travel speed (forward/reverse): 19.2 mph (30.9 km/h) and 19.5 mph (31.4 km/h). The open center hydraulic system has a gear pump with a rated capacity of 11 gpm (41.8 lpm). The 2WD models are equipped with 6.00x16 front tires and 13.6x28 rear tires. The 9.50x20 front tires and 14.9x28 rear tires are used for 4WD tractors. The wheelbase is 75.8 inches (1920 mm). Compatible attachments for the tractor: Mahindra ML260 front end-loader with a maximum lift height of 125" (3170 mm).
| Engine Troubleshooting |
| Diesel hard to start or doesn't start |
Air in the fuel lines - Bleed the fuel lines.
Fuel filter element is clogged - Install new filter element.
Dirty or damaged injection nozzles - Change fuel injection nozzles.
Water or dirt in fuel system - Drain, flush, and service the system.
The valve clearance is not adjusted - Check and adjust.
Fuel injection pump is broken - Change pump or rebuild it.
| Diesel starts but then stops |
Dirty air filter - Clean or change.
Fuel filter element is clogged - Clean or change the filter.
Problems with fuel injection pump tightness - Inspect fuel injection pump for leaks.
Defective fuel injectors - Change or clean fuel injectors.
Fuel injection pump is broken - Install a new pump or rebuild.
| Engine stops running suddenly |
Engine is not preheated - Warm up engine as required.
Clogged fuel filter - Filter maintenance required.
Air in fuel tank - Bleed fuel tank.
Fuel injection nozzles fault - Install a new kit of correctly balanced nozzles.
Fuel injection pump timing is wrong - Use the correct fuel injection pump timing adjustment.
| Engine stops while idle |
Incorrect low idle speed adjustment - Adjustment required.
Fuel injection pump damage - Rebuild or replace pump.
Fuel injectors are faulty or clogged - Inspect fuel injectors and change as required.
The valve clearance is incorrect - Adjust valve clearance.
| Diesel engine loses power |
Air cleaner is dirty - Air filter maintenance required.
Faulty fuel injection nozzles - Check and replace nozzles if required.
Fuel injection pressure is incorrect - Adjust pressure to proper level.
The valve clearance is incorrect - Have it adjusted.
Improperly adjusted low idle speed - Adjust low idling as recommended.
Clogged fuel lines or hoses - Fuel lines and hoses need to be cleaned.
Damaged cylinder-head gasket - Cylinder-head gasket replacement required.
Worn or damaged piston rings - Replace the piston rings as required.
| Engine overheating |
Engine has a lack of coolant - Fill radiator to proper level and check components for faults.
Engine oil level is insufficient - Check oil level and add oil as required.
Radiator core is dirty or radiator cap is damaged - Clean radiator or change cap.
Loose or damaged fan belt - Change the fan belt.
Engine is overloaded - Load reducing required.
| Oil pressure is insufficient |
Not enough oil in the engine - Fill the crankcase with oil.
Clogged oil filter - Change or clean engine oil filter element.
Wrong oil viscosity - Drain and refill with oil of correct grade and viscosity.
Incorrect crankshaft bearing oil clearance - Change bearings.
Defective oil pump - Remove and inspect oil pump.
| Engine noises or knocks |
Engine oil level is low - Checking oil level and add if necessary.
Engine is not warmed up to the required temperature - Normalize the temperature by warming up the engine.
Fuel injection pump timing is wrong - Use the correct fuel injection pump timing adjustment.
Improperly adjusted low idle speed - Correct the settings.
Fuel injector fault - Replace or clean fuel injectors.
Connecting rod misalignment or failure - Alignment procedure or replacement is required.
Worn or broken pistons - Replace the pistons.
| Transmission Troubleshooting |
| Transmission fluid pressure is insufficient |
Transmission fluid insufficient - Add fluid to the transmission housing.
Transmission fluid filter element clogging (if equipped) - Clean or change transmission fluid filter.
Relief valve is damaged - Install a new valve.
| Excessive transmission noise |
Lack of transmission fluid - Need to add transmission fluid.
Transmission fluid contamination - Change the fluid.
Gears are damaged or backlash is incorrect - Change worn gears or adjust backlash correctly.
Worn or damaged bearings - Faulty bearings should be changed.
Worn or damaged gear shift forks - Change the shift forks.
Shaft splines are worn or stuck - Change defective shaft.
| Gears are hard to shift |
Corroded or worn gear shift linkage - Lubricate or replace shift linkage.
Worn or bent gear shift forks - Shift forks need to be replaced.
Worn out parts of the gearshift mechanism - Replace worn parts.
Improperly adjusted or worn clutch - Change or adjust clutch.
| External oil leaks |
High transmission oil level - Correct the oil level.
Seals or gaskets are broken - Seals and gaskets need to be replaced.
| Hydraulics Troubleshooting |
| Hydraulic oil pressure is insufficient |
Insufficient hydraulic oil - Check and refill the hydraulic oil.
Clogged hydraulic fluid filter element - Hydraulic filter maintenance required.
Faulty hydraulic pump - Change or repair hydraulic oil pump.
Hydraulic control valve is out of adjustment - Need to make adjustment.
Hydraulic cylinder malfunction - Repair or replace hydraulic cylinder.
Leaking hydraulic pipes - Identify leaks in the system and repair it.
| Excessive hydraulic system heat |
Damaged main relief valve - Replace relief valve.
Hydraulic oil type is improper - Fill up with the proper type of oil.
Hydraulic fluid contamination - Change hydraulic fluid.
Air in the hydraulic system - Air bleeding.
| 3-point hitch fails to lift or lifts slowly |
Heavy load on the hitch - Reduce loading.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.
Clogged hydraulic fluid filter - Hydraulic filter maintenance required.
Damaged hydraulic pump - Change or repair hydraulic oil pump.
Main relief valve malfunction - Install a new relief valve.
Hydraulic control valve is defective - Repair or replace the valve.
Hydraulic cylinder failure - Repair or replace hydraulic cylinder.
Suction line is loose or broken - Replace or repair.
| Hitch cannot be dropped or dropping is too slow |
Hydraulic spool valve is out of adjustment - Spool valve adjustment required.
Hydraulic cylinder is broken - Repair or replace hydraulic cylinder.
The three-point hitch is not adjusted - Adjust 3-point hitch as required.
Hitch cross shaft is damaged - Change the shaft.
| Hitch lowering or lifting is jerky |
Air in the hydraulic system - Air bleeding.
Hydraulic fluid contamination - Change hydraulic fluid.
Defective hydraulic pump - Install a new hydraulic fluid pump.
Hydraulic control valve block is defective - Repair or replace hydraulic valve.
Hydraulic cylinder is faulty - Repair or install a new hydraulic cylinder.
| Steering System Troubleshooting |
| Difficult steering |
Improperly installed or damaged steering column - Install the steering column as required or replace it.
Air in steering hydraulic system - Bleed air.
Not adjusted toe-in - Check and adjust toe-in.
Tyre pressure is uneven - Adjust the tyre pressure.
Defective hydraulic steering pump - Install a new steering pump.
Stuck or damaged steering pump control valve - Flush or change flow control valve.
Insufficient steering oil - Need to add steering oil.
| Excessive steering wheel free play |
Worn steering column shaft or coupling - Change faulty component.
Steering pump malfunction - Replace or repair steering pump.
Loose or worn steering linkage parts - Change or repair steering linkage.
| Front wheels wander to left or right |
Tires have uneven wear - Replace the tires.
Not adjusted toe-in - Adjust toe-in properly.
Loose or worn steering linkage components - Change or repair steering linkage.
Incorrectly adjusted or worn front wheel bearings - Adjust properly or change bearings.
| Electrical Troubleshooting |
| Battery will not charge |
Corroded or loose electrical wire connections - Clean or tighten wiring connections.
Faulty battery terminal clamps - Install new terminal clamps.
Battery failing - Install a new battery.
Loose or damaged belt - Need to adjust belt tension or replace belt.
| Starter motor cranks slow |
Low battery power - Low battery charging, charge as required.
Battery runs out quickly - Battery needs service or replacement.
Disconnected wires or corroded battery terminals - Connect cables correctly or replace terminals.
| Starter doesn't crank |
Battery is discharged or defective - Recharge or replace battery.
Wiring is improperly connected or disconnected - Check wiring and connect properly.
Low battery output voltage - Battery is drained, recharge it.
Starter motor failure - Repair or install a new starter.
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| Farm Tractors Technical Specifications |