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Ford 4600 Tractor Troubleshooting
The
Ford 4600 is a 2WD (4x2) utility tractor. This model was manufactured from 1975
to 1984. The Ford 4600 powertrain system components: Ford vertical three-cylinder
water cooled diesel engine, and 8-speed Dual Range transmission. A 201 cubic inches
engine power is 59.5 Hp (44.5 kW), and max. torque is 213 Nm (157 lb-ft) at 1200
rpm.
Max. travel speed (forward/reverse): 15.0 mph (24.1 km/h) and 7.2 mph
(11.6 km/h). The open center hydraulic system used a gear pump with
fluid flow rate of 8.5 gpm (32.2 liters per minute). The hydraulic pressure
is 2500 psi (173 bar).
The tractor is fitted with 7.5x16 front tires and 16.9x30 rear tires. The
wheelbase is 84.5 inches (2140 mm), and operating weight is 5880 lbs
(2670 kg).
| Engine Troubleshooting |
| Engine will not start or starts up hard |
| Fuel filter plugging - Clean the filter or install new filter element |
| No fuel supply from the tank - Open the fuel supply valve |
| Air in fuel lines - Bleed fuel lines |
| Faulty or dirty injectors - Service or change fuel injectors |
| Faulty fuel injection pump - Repair or replace injection pump |
| Poor compression - Check cylinder block and replace damaged components |
| Engine stops running while driving |
| Coolant temperature is low - Normalize the engine temperature |
| Air in fuel pipes - Bleed fuel pipes |
| Fuel injection failed - Use correct settings |
| Fuel filter is clogged - Change the filter element |
| Clogged fuel injectors - Change fuel injectors |
| Engine starts but immediately stops |
| Fuel injection pump timing is incorrect - Correct injection timing |
| Dirty fuel filter element - Replace the filter element |
| Fuel injector nozzles fault - Install a new set of well-balanced nozzles |
| Damaged fuel injection pump - Replacement or repair required |
| Air cleaner is clogged - Service or replace the air cleaner |
| Engine stalls at low idle speed |
| Low idle speed setting is incorrect - Adjust the low idle speed |
| Fuel injection pump malfunctioning - Rebuild or replace pump |
| Clogged or damaged injector nozzles - Install new set of properly balanced nozzles |
| Valve out of adjustment - Have it adjusted |
| Insufficient coolant - Fill radiator to proper level. Check for leaks or other malfunctions |
| Cooling system is dirty or cooling parts are failed - Flush cooling system or replace faulty parts |
| Engine oil level is low - Need to add engine oil |
| Fan belt tension is improper or belt is damaged - Adjust correctly or replace the belt |
| Thermostat is defective - Thermostat needs to be replaced |
| Clogged fuel injectors - Clean or replace fuel injectors |
| Fuel injection pressure is wrong - Repair or replace injection pump |
| Air filter element clogging - Replace or clean the air filter element |
| Oil filter element is dirty - Change or clean engine oil filter element |
| Engine is under excessive load - Shift to lower gear or reduce the load |
| Valve clearance is not correct - Adjust valve clearance according to specifications |
| Low idle speed set incorrectly - Normalize low idle speed |
| Clogged fuel hoses or pipes - Fuel hoses and pipes must be clean |
| Engine lost compression: Inlet or outlet valves are defective - Have valves replaced |
| Abnormal engine knocking or noise |
| Fuel injection pump out of timing - Repair or replace fuel injection pump |
| Fuel injector nozzles are damaged or dirty - Install new set of properly balanced nozzles |
| Engine oil insufficient - Need to add engine oil |
| Engine is not warmed up to required temperature - Normalize the engine temperature |
| Crankshaft or main bearings are worn out - Crankshaft or bearings need to be replaced |
| Piston rings are damaged or broken - Replace piston rings |
| Flywheel bolts are loose - Bolts need to be tightened |
| Engine oil consumption is too high |
| Oil leaks: Gaskets or seals are excessively worn - To repair leaks, replace worn parts |
| Crankcase oil too light - Fill up with the proper oil viscosity |
| Piston rings are stuck or worn - Have piston rings replaced |
| Damaged valve stems or valve guides - Replace the valves |
| Worn pistons or cylinder liners - Inspect pistons and liners, change as required |
| Electrical System Troubleshooting |
| Battery is not charging |
| Battery dead cell - Change the battery |
| Damaged battery cable harness - Check electrical cables for damage, repair or replace |
| Battery cables and terminals are loose or corroded - Cables and terminals must be tightened or cleaned |
| Belt is defective or belt tension is improperly adjusted Change belt or adjust belt tension properly |
| Battery voltage is low - Battery needs to be recharged |
| Battery does not hold charge - Service battery or replace it |
| Bad battery cable harness - Inspect cables for malfunctions, repair or change |
| Loose or corroded terminals and cables - Service or tighten battery terminals and cables |
| Low battery output voltage - Charge the battery |
| Drained or faulty battery - Change or recharge battery |
| Starter motor failure - Starter should be changed |
| Incorrectly connected or disconnected wires - Check battery wires and connect correctly |
| Transmission Troubleshooting |
| Difficulty shifting gears |
| Worn or incorrectly adjusted clutch - Change or adjust clutch |
| Gear shift linkage is loose or broken - Service or change the shift linkage |
| Shift forks are worn or damaged - Change defective shift forks |
| Gearshift mechanism is worn out - Repair or replace worn components if required |
| Insufficient transmission oil pressure |
| Low transmission fluid level - Fill system with correct transmission fluid level |
| Dirty transmission oil filter (if fitted) - Replace or clean transmission oil filter |
| Relief valve sticking - Change the valve |
| Transmission is making noise |
| Bearings are worn or broken - Change faulty bearings |
| Not enough oil in transmission - Add transmission oil as required |
| Transmission oil contamination - Fill up with fresh transmission oil |
| Gears are worn or backlash is improper - Replace gears or adjust backlash properly |
| Bent or worn shift forks - Install new shift forks |
| Transmission fluid leakage |
| Gaskets or seals are defective Seals and gaskets need to be replaced |
| Cracked transmission housing - Housing needs to be replaced |
| Hydraulics Troubleshooting |
| Hydraulic system is overheated |
| Hydraulic system pressure is unadjusted - Adjust the pressure as required |
| Main relief valve incorrect adjustment or failure - Set up or change the relief valve |
| Dirty hydraulic oil - The oil must be changed |
| Hydraulic system sucks air - Inspect the pump seals, suction line, and fittings |
| Hydraulic fluid pressure is insufficient |
| Lack of hydraulic fluid - Add fluid to the hydraulic system |
| Hydraulic fluid filter clogging - Clean the hydraulic filter or install new filter element |
| Hydraulic pump is defective - Test the pump performance and change pump if required |
| Defective or incorrect setting hydraulic control valve block - Replace or set correctly |
| Broken hydraulic cylinder - Inspect cylinder components for wear or damage and change if required |
| Hydraulic lines are leaking - Find leaks in the system and fix it |
| 3-point hitch lifts too slowly or can't lift |
| Hydraulic fluid level is low - Need to add fluid |
| Cold hydraulic oil - Warm up the oil |
| Hydraulic oil filter element is dirty - Replace hydraulic filter element or service if necessary |
| Hydraulic pump malfunction - Test pump performance and replace pump if necessary |
| Faulty or incorrectly adjusted main relief valve - Adjust relief valve or change if required |
| Hydraulic control valve is faulty or out of adjustment - Change or adjust correctly |
| Defective hydraulic cylinder - Check cylinder parts for wear or damage and replace if necessary |
| Suction pipe is broken or loose - Tighten the pipe or replace it |
| Hitch can't drop or drops too slowly |
| Damaged or incorrect adjusted hydraulic control valve - Adjust correctly or change |
| Hydraulic cylinder malfunction - Inspect the hydraulic cylinder parts for damage or wear and replace if required |
| Hitch cross shaft is damaged - Replace the shaft |
| Internal mechanical failure of the hitch - Replace faulty or worn hitch parts |
| Hitch jerks when lift or lower |
| Air trapped in the hydraulic system - Check the pump seals, suction line, and fittings |
| Contaminated hydraulic oil - Change hydraulic oil |
| Defective hydraulic pump - Test the pump performance and change pump if required |
| Hydraulic spool valve is faulty or out of adjustment - Adjust correctly or replace |
| Faulty hydraulic cylinder - Check the hydraulic cylinder parts for damage or wear and replace if necessary |
| Steering System Troubleshooting |
| Steering wheel is hard to turn |
| Defective or improperly assembled steering column - Reassemble properly or change steering column |
| Air enters in steering system - Bleed the system of air |
| Clogged steering filter - Clean or change steering filter |
| Improper toe-in adjustment - Check toe-in and correct |
| Tire pressure is low - Tires need to be inflated |
| Steering pump not working - Repair or change steering pump |
| Steering control valve is worn or defective - Check and replace as required |
| Faulty steering box parts - Defective power steering box components must be replaced |
| Relief valve malfunction or seizing - Service or replace the relief valve |
| Steering fluid insufficient - Check and refill steering fluid |
| Oil leaks in the steering system - Retighten steering line and hose connections |
| Excessive play in steering |
| Steering column coupling or shaft is extremely worn out - Change defective part |
| Damaged or worn steering control valve - Repair or replace the steering control valve |
| Faulty steering box components - Defective parts of power steering gearbox must be replaced |
| Worn steering pump - Install a new steering pump |
| Steering tie-rod ends or linkage are worn - Replace damaged part |
| Front wheels wander to right or left |
| Incorrect tire pressure - Inflate the tires correctly |
| Incorrect toe-in adjustment - Adjust toe-in wheels properly |
| Steering linkage or tie-rod ends are worn - Replace failed component |
| Worn steering gear box parts - Defective power steering box components must be replaced |
| Steering control valve has wear or damage - Repair or change the steering control valve |
| Damaged or improperly adjusted or worn front hub bearings - Adjust properly or replace bearings |
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| Farm Tractors Technical Specifications |
