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Ford 1900 Tractor Troubleshooting

The Ford 1900 is a Hundred series compact utility tractor. This model was manufactured by Shibaura built from 1979 to 1983. The Ford 1900 driveline consists of a Shibaura LEM853 3-cylinder liquid cooled diesel engine and gear transmission with 12 forward and 4 reverse gears.

A 87.2 cu.in (1.43 L) engine has a cylinder bore of 3.35" (85 mm), piston stroke of 3.31" (84 mm), and rated power of 30 hp (22.4 kW). The maximum travel speed (forward and reverse): 13.4 mph (21.6 km/h) / 9.2 mph (14.8 km/h). The open center hydraulic system includes a gear pump with flow rate of 7.8 lpm (29.5 gpm).

The hydraulic system pressure is 127 bar (1850 psi). The 4-wheel drive models are equipped with 20x8.00-10 front tires and 13.6-16 rear tires. The 5.00x15 front tires and 12.4x24 rear tires are used for tractors with 2-wheel drive. The wheel base is 63" (1600 mm) for 2WD models and 64.2" (1630 mm) for 4WD models.

The Ford 1900 tractor is compatible with the following attachments: Ford 915 mower deck with a cutting width of 60" (1520 mm), a 60" front-mount snow blower, Ford 771 front end loader with a lift capacity to full height of 1130 lbs (512 kg), and Ford 757 backhoe with a digging depth of 76" (1930 mm).

Engine Troubleshooting
Engine doesn't start or difficult to start
Fuel filter is clogged - Clean the filter element
No fuel supply from the tank - Open the fuel supply valve
Fuel lines leaking air - Tighten clamps, change faulty pipes
Fuel injectors are defective or dirty - Clean or replace fuel injectors
Fuel injection pump damage - Repair or install new pump
Poor compression - Inspect cylinder block and change damaged parts
Engine stops running while driving
Engine is not warmed up to required temperature - Normalize the engine temperature
Fuel-line is leaking air - Retighten clamps, replace defective pipes
Irregular fuel injection - Adjust fuel injection timing
Fuel filter is clogged - Clean the filter or install new filter element
Dirty or faulty injectors - Inspect fuel injectors and replace if necessary
Engine starts and stops
Timing of fuel injection pump is wrong - Check and correct settings
Clogged fuel filter element - Filter maintenance required
Faulty fuel injector nozzles - Test injector nozzles and replace as required
Fuel injection pump is not working correctly - Rebuild or replace pump
Air cleaner element clogging - Air cleaner maintenance required
Engine stalling at idle
Too low idle RPM - Adjust as required
Fuel injection pump damage - Change or repair the pump
Fuel injector nozzles are damaged or dirty - Service or replace nozzles if required
Valve clearance is not correct - Adjust to proper valve clearance
Engine overheated
Engine coolant is insufficient - Fill the radiator to the required level. Check and repair damage to the cooling system if required
Cooling system parts are failed or system is dirty - Flush cooling system or change faulty components
Lack of engine oil - Need to add engine oil
Damaged fan belt or incorrect belt tension - Adjust belt tension correctly or change it
Defective thermostat - Check and change if necessary
Diesel engine is losing power
Fuel injectors are clogged or faulty - Change fuel injectors
Fuel injection pressure is wrong - Correct the pressure settings
Clogged air filter - Replace or service air filter element
Clogged oil filter element - Service or replace engine oil filter
Engine is running overloaded - Reduce engine load
Valve clearance is wrong - Adjust valve clearance
Incorrect low idle speed adjustment - Adjust low idle speed
Restricted fuel hoses or pipes - Fuel hoses and pipes must be clean
Insufficient engine compression: Intake or exhaust valves are damaged - Valve replacement required
Abnormal engine noise or knocking
Unadjusted fuel injection pump timing - Repair or replace fuel injection pump
Fuel injector nozzles are damaged - Check and change nozzles as required
Engine oil level is insufficient - Fill up the oil to required level
Engine is not preheated - Warm up engine as required
Crankshaft or main bearings failure - Change defective components as required
Broken or defective piston rings - Install new piston rings
Loose flywheel screws - Check the flywheel screws and tighten as required
Excessive engine oil consumption
Oil leakage: Damaged seals or gaskets - Replace defective parts
Crankcase oil too light - Use correct viscosity oil
Stuck or worn piston rings - Change the piston rings as required
Damaged valve guides or valve stems - Valves need to be changed
Scuffed cylinder liners or pistons - Check liners and pistons, change as required

Electrical System Troubleshooting
Battery will not charge
Battery is worn - Battery replacement required
Damaged battery cable harness - Check electrical cables for damage, repair or replace
Corroded or loose terminals and cables - Tighten or service terminals and cables
Belt is defective or belt tension is improperly adjusted Change belt or properly adjust belt tension
Starter turns slow
Low battery output - Battery is drained, charge it
Battery is not holding charge - Service battery or replace it
Battery cable harness failure - Check battery electrical cable for defects, replace or repair
Battery cables and terminals are loose or corroded - Clean or tighten cables and terminals
Starter is not cranking
Battery voltage is low - Low battery charging, charge as required
Discharged or faulty battery - Charge or replace the battery
Starter motor failing - Starter needs to be changed
Disconnected or incorrectly connected wiring harness - Inspect wiring harness and reconnect it as required

Transmission Troubleshooting
Difficult to shift gears
Worn or incorrectly adjusted clutch - Clutch replacement or adjustment required
Stuck or damaged gear shift linkage - Service or replace shift linkage
Shift forks are worn or damaged - Shift forks need to be replaced
Faulty parts in the gear shifting mechanism - Change faulty parts
Insufficient transmission oil pressure
Not enough fluid in transmission - Fill system with correct transmission fluid level
Transmission fluid filter is dirty (if equipped) - Change or clean the transmission fluid filter
Faulty relief valve - Change the valve
Transmission is excessively noisy
Bearings are worn or broken - Replace the bearings
Insufficient oil supply - Correct the transmission oil level
Transmission fluid contamination - Fill up with fresh transmission fluid
Incorrect backlash or gears are defective - Set backlash correctly or change the gears
Damaged or worn shift forks - Replace defective shift forks
Transmission fluid leaks
Gaskets or seals are damaged - Install new components
Cracked transmission case - Install a new transmission case

Hydraulics Troubleshooting
Hydraulic system overheating
The system pressure has not been corrected - Make the correct settings
Defective or misadjusted main relief valve - Adjust or change relief valve
Contaminated hydraulic fluid - Change hydraulic fluid
Air enters in hydraulic system - Check the pump seals, suction line, and fittings
Hydraulic oil pressure is low
Hydraulic oil level is low - Fill up the hydraulic oil
Hydraulic fluid filter clogging - Replace hydraulic filter element or service if necessary
Damaged hydraulic oil pump - Test pump flow rate and replace pump if required
Hydraulic control valve is not set properly or defective - Change or adjust correctly
Hydraulic cylinder is broken - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Hydraulic pipes are leaking - Find leaks in the system and fix it
Hitch fails to lift or lifts slowly
Hydraulic fluid level is insufficient - Fill the hydraulic system with oil
Hydraulic fluid is too cold - Allow fluid to warm
Dirty hydraulic oil filter - Clean or change hydraulic filter
Hydraulic pump not working - Check pump performance and change it if necessary
Main relief valve failure or incorrect setting - Adjust relief valve or change if required
Hydraulic control valve block is not set properly or defective - Replace or adjust properly
Defective hydraulic cylinder - Inspect the hydraulic cylinder parts for damage or wear and replace if required
Broken or loose suction line - Retighten or change
Hitch won't lower or lowers slowly
Damaged or incorrect adjusted hydraulic control valve - Adjust properly or change
Hydraulic cylinder is faulty - Check the hydraulic cylinder parts for damage or wear and replace if necessary
Worn lift arm shaft - Replace the shaft
The hitch is defective if there is internal mechanical damage - Replace worn or faulty hitch parts
Hitch is lowered or raised jerkily
Air trapped in the hydraulic system - Check the suction pipe, fittings, and pump seals
Hydraulic oil contamination - Change the oil
Hydraulic pump is faulty - Check hydraulic pump flow and replace pump if necessary
Defective or incorrect setting hydraulic control valve block - Set correctly or replace
Broken hydraulic cylinder - Check the hydraulic cylinder components for damage or wear and change if necessary

Steering System Troubleshooting
Excessive effort to steer
Steering column is damaged or improperly mounted - Replace the steering column or mount it properly
Air in steering system - Bleed air from system
Incorrect toe-in - Adjust toe-in correctly
Tires are not correctly inflated - Inflate tires as necessary
Steering pump not working - Check the steering pump and replace if necessary
Power steering control unit has wear or damage - Replace or repair steering unit as required
Steering fluid level low - Checking steering fluid level and add it if necessary
Steering system oil leakage - Retighten steering line and hose connections
Excessive play in steering
Steering column shaft or coupling is worn out - Change faulty part
Worn or damaged power steering control unit - Repair or change the steering unit
Defective hydraulic steering pump - Repair or change steering pump
Steering linkage or tie-rod ends are defective - Change damaged component
Front wheels wander to left or right
Tires are not properly inflated - Inflate tires as required
Improper toe-in - Check toe-in and correct
Steering tie-rod ends or linkage are defective - Replace damaged part
Power steering control unit is damaged or worn - Check and replace as required
Steering cylinder is defective - Replace or repair hydraulic steering cylinder
Defective or improperly adjusted front hub bearings - Change or adjust bearings correctly




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