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John Deere 1050 Troubleshooting
The
John Deere 1050 is a 2WD or 4WD compact utility tractor. This model was
manufactured from 1980 to 1989. The John Deere 1050 is equipped with Yanmar
3T90-J four-stroke 3-cylinder direct injection water-cooled diesel engine with a
maximum power of 37 hp (27.6 kW), and sliding gear transmission with dry clutch
and 8x2 gearbox.
Max. travel speed (forward/reverse): 12.5 mph (20.1 km/h) and 5.7 mph
(9.2 km/h). The open center hydraulic system includes a gear pump with a
rated fluid flow of 7.5 gpm (28.4 lpm). The hydraulic pressure is 2030
psi (140 bar).
The JD 1050 was equipped with a manual steering system, differential
mechanical internal expanding shoe brakes, 6.00x16 front tires, and
13.6x28 rear tires. The wheel base is 68.9" (1750 mm). Compatible
attachments for the tractor: a 72" mid-mount 3-blade mower deck, 72"
front-mount blade, John Deere 80 loader with a maximum lift height of
93.5" (2370 mm), and John Deere 8A backhoe with 2-ft flat digging depth
of 102" (2590 mm).
| Engine Troubleshooting |
| Engine is not starting or hard starting |
| Dirty fuel filter element - Clean or replace the filter |
| Closed fuel cock - Open fuel on-off cock to inject fuel |
| Fuel-line is leaking air - Retighten clamps, replace defective pipes |
| Clogged or damaged injectors - Test fuel injectors and change if necessary |
| Defective fuel injection pump - Replace or rebuild injection pump |
| Poor cylinder compression - Inspect cylinder block and change worn parts |
| Engine stalls during operation |
| Engine not warmed up - Engine is not warmed up to the required temperature |
| Water, dirt, or air in fuel system - Drain, flush, fill, and bleed system |
| Bad fuel injection - Check and adjust |
| Fuel filter is clogged - Replace filter element |
| Fuel injectors are damaged or dirty - Check fuel injectors and replace if required |
| Diesel starts but then shuts off |
| Incorrect setting of fuel injection pump timing - Adjust injection timing |
| Fuel filter clogging - Replace the filter element |
| Fuel injector nozzles are damaged or dirty - Install new set of properly balanced nozzles |
| Fuel injection pump is not working correctly - Replacement or repair required |
| Air cleaner clogging - Air cleaner maintenance required |
| Low idle speed adjustment is incorrect - Normalize low idle speed |
| Fuel injection pump is damaged - Replace injection pump or repair it |
| Fuel injector nozzles are dirty - Check and change nozzles as required |
| Incorrect valve clearance - Adjustment procedure required |
| Engine coolant is insufficient - The cooling system needs to be refilled. Check system for leaks |
| Cooling system is clogged or cooling parts are defective - Replace faulty parts or flush the cooling system |
| Not enough engine oil - Fill up the oil to required level |
| Fan belt tension is improper or belt is defective - Adjust correctly or install new belt |
| Thermostat fault - Check thermostat, replace if necessary |
| Fuel injectors are defective or dirty - Test fuel injectors and change if necessary |
| Fuel injection pressure is incorrect - Test fuel injection pressure and adjust it correctly |
| Clogged air filter element - Change or replace air filter element |
| Oil filter is clogged - Clean or replace engine oil filter element |
| Engine overloaded - Change to lower gear or reduce load |
| Valve out of adjustment - Check and adjust as required |
| Incorrectly adjusted low idle speed - Adjust the low idle speed |
| Dirty fuel pipes or hoses - Clean fuel system hoses and pipes |
| Engine compression too low: Intake or exhaust valves are damaged - Install new valves |
| Engine knocking sound or abnormal noise |
| Fuel injection pump timing is incorrect - Fuel pump timing settings need to be corrected |
| Fuel injector nozzles are clogged or faulty - Check and change nozzles as required |
| Not enough engine oil - Fill up the engine oil |
| Coolant temperature is low - Engine is not warmed up to the required temperature |
| Main bearings or crankshaft wear - Repair or replace defective parts |
| Broken or defective piston rings - Install new piston rings |
| Flywheel bolts are loose - Bolts need to be tightened |
| Engine consuming too much oil |
| Oil leaks: Worn gaskets or seals - Install new components |
| Oil viscosity is incorrect - Use oil of proper viscosity |
| Seized or wear piston rings - Change the piston rings as required |
| Worn valve stems and valve guides - Replace the valves |
| Scored cylinder liners or pistons - Inspect pistons and liners, replace as required |
| Electrical System Troubleshooting |
| Battery is not charging |
| Battery bad cell - Install a new battery |
| Bad battery wiring harness - Inspect wiring for malfunctions, replace or repair |
| Battery terminals and cables are corroded or loose - Service or tighten battery cables and terminals |
| Belt is damaged or belt tension is incorrectly adjusted - Adjust belt tension as required or change belt |
| Low battery voltage - Charge the battery |
| Battery is not holding charge - Service or replace the battery |
| Battery electrical wire harness failure - Inspect wires for defects, change or repair |
| Corroded or loose cables and terminals - Clean or tighten cables and terminals |
| Battery voltage is low - Recharge the battery |
| Discharged or faulty battery - Change or recharge battery |
| Defective starter motor - Starter needs to be changed |
| Cables harness is improperly connected or disconnected - Inspect cables harness and reconnect it properly |
| Transmission Troubleshooting |
| Difficult to shift gears |
| Failure or improper clutch adjustment - Adjust or install new clutch |
| Damaged or loose gear shift linkage - Change defective shift linkage |
| Shift forks are damaged or worn - Replace defective shift forks |
| Worn gear shift mechanism - Replace worn components |
| Broken or worn bearings - Faulty bearings should be changed |
| Low transmission oil level - Check transmission oil level and add oil as required |
| Contaminated transmission fluid - Fill up with fresh transmission fluid |
| Incorrect backlash or gears are defective - Change the gears or adjust backlash correctly |
| Worn or damaged shift forks - Change the shift forks |
| Gaskets or seals are defective Change defective seal or gaskets |
| Cracked transmission case - Install a new transmission case |
| Hydraulics Troubleshooting |
| Hydraulic system overheats |
| Incorrect hydraulic pressure adjustments - Adjust correctly |
| Main relief valve incorrect adjustment or failure - Replace or set up the relief valve |
| Hydraulic fluid contamination - Change hydraulic fluid |
| Air trapped in the hydraulic system - Check the suction pipe, fittings, and pump seals |
| Insufficient hydraulic oil pressure |
| Hydraulic oil level is low - Fill the hydraulic system with oil |
| Hydraulic oil filter element clogging - Change hydraulic filter element or clean if necessary |
| Faulty hydraulic oil pump - Check the pump capacity and replace pump if required |
| Hydraulic control valve block is not set properly or defective - Change or set correctly |
| Hydraulic cylinder is broken - Check cylinder components for wear or damage and change if necessary |
| Leakage in hydraulic lines - Detect leaks in hydraulic system and repair it |
| Hitch cannot be raised or raising is too slowly |
| Hydraulic fluid level is insufficient - Need to add fluid |
| Hydraulic fluid is too cold - Allow fluid to warm |
| Hydraulic fluid filter element clogging - Clean or change hydraulic filter |
| Faulty hydraulic oil pump - Test the pump performance and change pump if required |
| Main relief valve is faulty or misadjusted - Adjust or replace the relief valve |
| Hydraulic control valve is faulty or out of adjustment - Replace or set correctly |
| Hydraulic cylinder is faulty - Check cylinder components for wear or damage and change if necessary |
| Suction line is damaged or disconnected - Connect or replace |
| 3-point hitch won't drop or drops slowly |
| Hydraulic control valve is faulty or out of adjustment - Adjust correctly or change |
| Defective hydraulic cylinder - Inspect cylinder parts for wear or damage and replace if required |
| Hitch rock shaft is worn Install a new shaft |
| Defective mechanical parts of the hitch - Replace worn or defective hitch parts |
| Hitch jerks when lower or lift |
| Air leaks in hydraulic system - Inspect the suction line, pump seals, and fittings |
| Hydraulic fluid is dirty - Hydraulic fluid change required |
| Hydraulic pump malfunction - Test pump performance and replace pump if necessary |
| Defective or not adjusted hydraulic spool valve - Set correctly or replace |
| Hydraulic cylinder is defective - Inspect the cylinder components for damage or wear and change if required |
| Steering System Troubleshooting |
| Hard Steering |
| Steering knuckle or steering column is stuck - Inspect steering column and knuckle, replace worn parts as required |
| Steering gearbox components are worn - Replace defective components of steering gearbox |
| Faulty drag link or tie rod - Replace or repair |
| Insufficient lubrication in steering box - Need to lubricate the gearbox |
| Not adjusted toe-in alignment - Check and adjust toe-in |
| Tires are not correctly inflated - Inflate tires as necessary |
| Excessive steering wheel free play |
| Steering column bearing or shaft is worn - Change faulty parts |
| Steering linkage assembly is worn or loose - Repair or replace steering linkage |
| Worn steering gearbox bearings - Replace the bearings |
| Front wheel hub bearings or steering knuckles are worn - Change hub bearings or knuckles |
| Damaged or worn steering tie-rod ends - Change faulty part |
| Tractor pulls to right or left |
| Worn or loose steering linkage assembly - Repair or replace steering linkage |
| Defective steering knuckle bushing - Replace knuckle bushing |
| Uneven tire pressure - Inflate the tires properly |
| Toe-in adjustment is incorrect - Adjust toe-in correctly |
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| Farm Tractors Technical Specifications |
