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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
Engine stalling at idle
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 overheating
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
Engine loses power
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
Starter turning slow
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
Starter will not work
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
Transmission noises
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
External fluid leaks
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




Farm Tractors Technical Specifications
JD 1026R JD 3650 JD 6400 JD 7810
FORD 1320 FORD 2810 FORD 3930 FORD 5600
MF 250 MF 690 MF 3060 MF 6180
NH TC48DA NH M100 NH T7550 NH 8560
CASE IH 495 CASE IH 1255XL CASE IH 2140 CASE IH 2294