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Ford 4100 Tractor Troubleshooting
The
Ford 4100 is a 2WD (4x2) utility tractor. This model was manufactured between
1975 and 1981. The Ford 4100 tractor is equipped with a Ford vertical 3-cylinder
water cooled diesel engine.
A 183 cubic inches (3 L) engine has a cylinder bore of 4.2" (107 mm),
piston stroke of 4.4" (112 mm), and rated power of 52 hp (38.7 kW). The
Dual Range transmission includes a dry clutch with a disc diameter of
11" (279 mm) and mechanical gearbox with 8 forward and 2 reverse gears.
The maximum forward speed - 15 mph (24.1 km/h), maximum reverse speed -
7.2 mph (11.6 km/h).
The open center hydraulic system includes a gear pump with a rated
capacity of 8.5 gpm (32.2 lpm). The hydraulic pressure is 185 bar (2600
psi). The Ford 4100 is equipped with a power steering system, mechanical
wet brakes, 7.5-15 front tires, and 14.9-28 rear tires. The wheel base
is 77.3" (1960 mm). The tractor is compatible with a
Ford 730 loader
with lift capacity to full height of 2040 lbs (925 kg), or
Ford 772A
loader with lift capacity to max height of 2460 lbs (1115 kg).
Engine Troubleshooting |
Engine won't start or starts hard |
Plugged fuel filter - Change filter element |
Closed fuel supply valve - Open supply valve to inject fuel |
Air trapped in fuel system - Bleed air |
Clogged fuel injectors - Change fuel injectors |
Fuel injection pump is damaged - Replacement or repair required |
Bad compression - Inspect cylinder block and change worn parts |
Engine shuts off unexpectedly while running |
Engine is cold - Warm up engine to required temperature |
There is air in the fuel system - Bleed the system |
Uneven fuel injections - Repair or adjustment |
Fuel filter is dirty - Clean the filter element |
Faulty or dirty injectors - Service or change fuel injectors |
Diesel starts but then stalls |
Timing of fuel injection pump is wrong - Fuel injection pump timing adjustment needs to be corrected |
Fuel filter clogging - Install new filter element |
Clogged or damaged injector nozzles - Replace fuel injector nozzles |
Fuel injection pump is not working correctly - Replace injection pump or repair it |
Air cleaner element clogging - Air cleaner maintenance required |
Wrong adjustment of low idle speed - Correct the settings |
Fuel injection pump is faulty - Replace or repair injection pump |
Fuel injector nozzles are dirty or defective - Replace fuel injector nozzles |
Valve clearance is out of adjustment - Need to adjust valve clearance |
Low engine coolant - Refill to the correct level. Repair any leaks if necessary |
Cooling system components are damaged or system is dirty - Replace faulty parts or flush the cooling system |
Lack of engine oil - Fill up the oil to required level |
Worn fan belt or incorrect belt tension - Adjust belt tension properly or change it |
Defective thermostat - Test thermostat opening temperature, replace as required |
Dirty or faulty injectors - Service or change fuel injectors |
Fuel injection pressure is wrong - Test fuel injection pressure and adjust it correctly |
Air filter is clogged - Change or service air filter element |
Oil filter clogging - Service or replace engine oil filter |
Diesel engine overloaded - Reduce the load or use a lower gear |
Valve clearance is out of adjustment - Adjustment procedure required |
Improperly adjusted low idle speed - Correct the settings |
Fuel hoses or pipes clogging - Clean fuel pipes and hoses |
Engine losing compression: Worn or damaged valves - Valve replacement required |
Incorrectly set fuel injection pump timing - Fuel injection pump timing adjustment needs to be corrected |
Clogged or defective injector nozzles - Service or replace nozzles if required |
Low engine oil level - Check and refill engine oil |
Engine is not warmed up to required temperature - Warm up engine to required temperature |
Worn crankshaft or main bearings - Need to install new components |
Damaged or defective piston rings - Piston rings need to be replaced |
The flywheel to crankshaft bolts are loose - Tighten bolts as required |
Engine using too much oil |
Oil leaks: Worn gaskets or seals - New components need to be installed |
Wrong oil viscosity - Use oil of proper viscosity |
Worn or stuck piston rings - Change piston rings |
Damaged valve guides or valve stems - Valves replacement required |
Scored pistons or cylinder liners - Inspect liners and pistons, fit new parts as necessary |
Electrical System Troubleshooting |
Battery won’t charge |
Battery failing - Replace the battery |
Damaged battery electrical wire harness - Inspect electrical wires for damage, change or repair |
Loose or corroded cables and terminals - Tighten or clean terminals and cables |
Damaged belt or incorrectly adjusted belt tension - Adjust belt tension properly or replace belt |
Battery voltage is low - Low battery charging, charge as required |
Battery will not hold charge - Service battery or change it |
Battery electrical wire harness damage - Check battery wires for damage, replace or change |
Corroded or loose cables and terminals - Service or tighten battery cables and terminals |
Low battery output voltage - Recharge the battery |
Discharged or defective battery - Replace or charge as required |
Starter motor is faulty - Replace or repair starter |
Disconnected or incorrectly connected cables - Inspect battery cables and connect correctly |
Transmission Troubleshooting |
Gears are hard to shift |
Clutch is not adjusted or faulty - Adjust or replace the clutch |
Damaged or loose gear shift linkage - Change or repair shift linkage |
Bent or worn shift forks - Replace defective shift forks |
Gearshift mechanism failure - Change or repair failed components |
Lack of transmission oil pressure |
Insufficient fluid supply - Check transmission fluid level and add it as required |
Transmission fluid filter element is dirty (if fitted) - Clean or replace the transmission fluid filter |
Damaged relief valve - Install a new relief valve |
Transmission is excessively noisy |
Cracked or worn bearings - Faulty bearings should be replaced |
Oil level is insufficient - Check transmission oil level and add oil as required |
Contaminated transmission oil - Change transmission oil |
Gears are worn or backlash is improper - Replace gears or adjust backlash properly |
Shift forks are worn or damaged - Shift forks need to be replaced |
Broken gaskets or seals - Install new components |
Transmission housing is cracked - Replace housing or transmission assembly |
Hydraulics Troubleshooting |
Excessive hydraulic system heat |
Hydraulic system pressure is not set correctly - Set the hydraulic pressure as required |
Main relief valve is defective or unadjusted - Adjust or replace the relief valve |
Hydraulic oil contamination - Change the oil |
Air in hydraulic system - Check the pump seals, suction pipe, and fittings |
Hydraulic fluid pressure is low |
Lack of hydraulic fluid - Need to add fluid |
Hydraulic oil filter element clogging - Service the hydraulic filter or change if required |
Hydraulic pump failure - Check pump flow and install new pump if necessary |
Hydraulic control valve is defective or set improper - Change or set correctly |
Hydraulic cylinder is defective - Inspect cylinder components for wear or damage and change if required |
Hydraulic pipes are leaking - Inspect hydraulic system for leaks and repair it |
Hitch cannot be lifted or lifting is too slow |
Not enough hydraulic fluid in the system - Add fluid to the hydraulic system |
Hydraulic oil is too cold - Allow oil to warm |
Hydraulic fluid filter clogging - Change hydraulic filter element or clean if necessary |
Damaged hydraulic oil pump - Test the pump flow rate and install new pump if required |
Main relief valve incorrect adjustment or failure - Adjust the valve or replace if necessary |
Hydraulic control valve is not set properly or defective - Adjust properly or replace |
Hydraulic cylinder malfunction - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
Damaged or disconnected suction pipe - Connect or replace |
Hitch won't lower or lowers slowly |
Defective or incorrect setting hydraulic control valve block - Adjust correctly or replace |
Broken hydraulic cylinder - Inspect the hydraulic cylinder components for damage or wear and change if required |
Worn hitch cross shaft - Replace the shaft |
Mechanical parts of the hitch are damaged - Change defective or worn hitch components |
Hitch raises or lowers not smoothly |
Air in hydraulic system - Check the pump seals, suction line, and fittings |
Hydraulic fluid contamination - Change hydraulic fluid |
Hydraulic pump failure - Flow-rate pump and change pump if necessary |
Hydraulic control valve is not set properly or defective - Replace or adjust properly |
Defective hydraulic cylinder - Check cylinder components for wear or damage and change if necessary |
Steering System Troubleshooting |
Steering wheel is very heavy to turn |
Steering column is damaged or incorrectly assembled - Steering column must be assembled correctly or changed |
Air in steering system - Bleed the steering system |
Steering filter element is clogged - Steering filter need to be replaced |
Not adjusted toe-in - Adjust toe-in correctly |
Tires are deflated - Need to inflate tires |
Faulty steering pump - Check the steering pump and replace if necessary |
Worn or defective steering cylinder - Repair or change the steering cylinder |
Damaged steering gearbox components - Replace defective parts of power steering box |
Relief valve is stuck or faulty - Clean or change the relief valve |
Steering fluid insufficient - Check and refill steering fluid |
Steering system has oil leaks - Tighten the steering pipe and hose joints |
Steering wheel free play is excessive |
Steering column shaft or coupling is worn out - Replace faulty part |
Steering cylinder is defective or worn - Change or repair steering cylinder if required |
Worn steering box parts - Repair power steering box |
Defective hydraulic steering pump - Replace or repair steering pump |
Worn or faulty steering tie-rod ends or linkage - Change damaged part |
Tractor pulls to right or left |
Tire pressure is improper - Inflate the tires properly |
Not adjusted toe-in - Adjust toe-in correctly |
Faulty or worn steering tie-rod ends or linkage - Replace failed part |
Damaged steering gearbox components - Replace defective parts of power steering box |
Steering cylinder is faulty - Change or repair steering cylinder |
Damaged or improperly adjusted or worn front hub bearings - Replace the bearings or adjust it properly |
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Farm Tractors Technical Specifications |