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John Deere 60 Troubleshooting
The
John Deere 60 skid steer loader is powered by 42.2 cubic inches (0.7L) Kohler
KT17 two-cylinder air-cooled gasoline engine with a rated power of 17 hp (12.7
kW) at 3400 rpm. The John Deere 60 is equipped with a radial-lift loader boom,
one-speed hydrostatic transmission, 60 drive chains, and 5.70x12 (Std) or
8.50x12 (Opt) tires. The hydraulic system has a pump with fluid flow rate of 7.5
gpm (28.4 lpm). The hydraulic pressure is 1500 psi (103 bar). The skid steer
loader has a rated operating capacity of 600 lbs (272 kg) and tipping load of
1200 lbs (545 kg). The lift height is 95.3 inches (2420 mm) to hinge pin, and
dump height is 72.8 inches (1850 mm).
| Engine Troubleshooting |
Engine will not start or hard to start
Fuel tank is empty - Add fuel.
Wrong fuel grade - Use correct gasoline grade.
Dirty fuel lines - Inspect and clean.
Spark plug wire connection are damaged - Inspect the spark plug wire connection, replace or repair.
Spark plug is defective - Spark plug need to be replaced.
Fuel filter is clogged - Fuel filter needs changing.
Defective safety switch - Replace if required.
Carburetor incorrectly set - Set carb correctly.
Poor compression - Inspect and replace wear parts.
Choke cable is worn or not adjusted properly - Adjust properly or change the cable.
Unstable engine running
Air intake screen is plugged - Wash or clean as required.
Defective ignition system - Check ignition and replace faulty components.
Throttle cable is faulty or stuck - Change or service the cable.
Dirty air filter element - Replace or service air filter.
Fuel pump is faulty or clogged - Clean or install new fuel pump.
Engine starts but stalls immediately
Spark plug is faulty - Change spark plug as required.
Carburetor is clogged or defective - Clean or change carburetor.
Defective ignition coil - Ignition coil must be replaced.
Bad or damaged valve springs - Install new valve springs.
Valves are stuck - Valves must be cleaned.
Engine is overheated
Low engine oil level - Fill up the engine oil.
Engine is overloaded - Reduce load.
Air intake screen is blocked - Wash or clean as required.
Too lean fuel mixture in carburetor - Use proper settings.
Ignition timing is wrong - Adjust ignition timing correctly.
Wrong valve setting - Adjust valves correctly.
Engine noises or knocks
Stale or low octane fuel - Use correct gasoline.
Engine is running overloaded - Load reducing required.
Lack of engine oil - Check oil level and add oil as required.
Incorrect low idle setting - Need to adjust idle speed.
Dirty or faulty fuel pump - Test fuel pump and replace if necessary.
Worn main bearings or crankshaft - Crankshaft or bearings need to be replaced.
Valve clearance is incorrect - Adjust valve clearance according to specifications.
Damaged cylinder bore or piston rings - Replace faulty parts.
Low engine power
Dirty or improperly adjusted carburetor - Adjust the carburetor correctly or clean it.
Air filter is dirty - Change or service air filter.
Fuel pump is clogged or faulty - Check fuel pump and change if required.
Ignition system problems - Test ignition and replace failed parts.
Blown cylinder head gasket - Replace the head gasket.
Stuck or burned valves - Clean or change valves.
Worn or defective push rod - Install a new push rod.
Cylinder block parts are worn out - Change defective parts.
Oil filter element is clogged (if equipped) - Change or service oil filter.
Excessive fuel consumption
Insufficient throttle opening - Adjust or replace throttle cable.
Carburetor main jet adjustment is incorrect - Adjust the carburetor main jet properly.
Defective or loose spark plug - Replace or tighten spark plug.
Valves are worn, burned or stuck - Service or replace valves.
Sleeve, piston, or rings are damaged - Change defective parts.
Improper valve clearance - Need to adjust valve clearance.
Excessive engine oil consumption
Gaskets or seals can be faulty - Install new components.
Worn valve stems and valve guides - Replace defective valves.
Damaged or seized piston rings - Piston rings replacement required.
Scuffed piston or cylinder liner - Inspect piston and liner, fit new components as necessary.
Breather hose or pipe is plugged - Clean or replace.
| Drive System Troubleshooting |
Drive system doesn't work in either direction
Hydraulic oil is insufficient - Fill the system to proper hydraulic oil level.
Drive chain is worn - Check drive chain and change defective components.
Relief valve defective or worn - Change or repair relief valve.
Hydraulic filter or suction line is clogged - Check, clean, or change if necessary.
Hand or foot controls failure - Check and repair as required.
Drive motor or pump failure - Replace or repair faulty component.
Loss of power
Plugged hydraulic oil filter - Change or service hydraulic filter.
Relief valve is worn or opened - Change or close relief valve.
Transmission parts are damaged or faulty - Inspect and change defective parts.
Input drive shaft is stuck - Faulty drive shaft need to be replaced or repair.
Air in the hydraulic system - Air bleeding is required.
Drive system is overheated
Hydraulic fluid level low - Fill the system to proper hydraulic fluid level.
Hydraulic fluid filter is plugged - Check, clean, or change as necessary.
Defective or worn relief valve - Service or change relief valve.
Drive pump or hydraulic motor malfunction - Repair or replace faulty component.
Oil cooler is clogged - Cooling fins need to be cleaned.
Transmission overloading - Reduce drive system load.
Excessive noise
Oil viscosity is too heavy - Use correct oil viscosity.
Air in the hydraulic system - Bleed hydraulic system.
Worn hydraulic motor or drive pump - Check and repair if required.
Mechanical components of drive system are worn or damaged - Inspect drive system and replace faulty parts.
| Hydraulics Troubleshooting |
Hydraulic system overheats
Hydraulic pressure is not adjusted correctly - Hydraulic pressure must be set correctly.
Main relief valve failure or improper setting - Adjust or replace the relief valve.
Hydraulic oil is dirty - Fill up with fresh hydraulic oil.
Hydraulic oil level is low - Check oil level and add hydraulic oil as required.
Worn hydraulic oil pump - Install new pump or repair it.
Boom can't lift or drop
Damaged lift controls - Change or repair.
Hydraulic pump not working - Install new pump or repair it.
Damaged hydraulic control valve - Repair or replace hydraulic valve.
Hydraulic cylinder is faulty - Replace or repair boom cylinder.
Low hydraulic oil level - Need to add oil.
Bucket won't move
Faulty bucket tilt controls - Replace or repair.
Defective hydraulic pump - Repair or change pump if required.
Damaged hydraulic control valve - Repair or replace hydraulic valve.
Defective bucket cylinder - Repair or replace cylinder.
Hydraulic oil level low - Check and refill the hydraulic oil.
Bucket or lift arm functions slowly
Hydraulic pump is faulty - Test the pump flow rate and change pump if required.
Leaking hydraulic cylinder - Cylinder seals need to be replaced.
Hydraulic fluid level low - Fill the system to proper hydraulic fluid level.
Hydraulic control valve is unadjusted or worn - Repair or set properly.
Hydraulic pressure has dropped - Adjust it correctly.
Lift arm or bucket is moving jerkily
Air trapped in hydraulic system - Air bleeding is required.
Hydraulic oil filter clogging - Clean or change the filter.
Hydraulic oil is dirty - The oil must be changed.
Scored cylinder tube or rod - Change damaged component.
Excessive hydraulic pump noise
Hydraulic leakage or lack of oil - Repair hydraulic leaks or add oil as required.
Clogged hydraulic filter - Clean or replace the filter.
Clogged suction line - Need to service the suction line.
Pump is sucking air - Remove air from hydraulics.
Pump parts are damaged - Rebuild or change hydraulic pump.
| Electrical Troubleshooting |
Battery does not charge
Loose or corroded wire connections - Tighten or clean electrical wiring connections.
Defective battery terminal clamps - Install new terminal clamps.
Battery is defective - Use a new battery.
Belt is defective or loose - Adjust belt tension or change the belt.
Starter turns slowly
Low battery voltage - Battery needs to be recharged.
Battery is not holding charge - Service charging system or install new battery.
Faulty battery terminals or disconnected cables - Check cable connections and change or clean terminals.
Starter doesn't crank
Battery is discharged or defective - Need to charge or replace the battery.
Battery wiring is disconnected or improperly connected - Inspect wiring and connect as required.
Low battery capacity - Low battery charging, charge as required.
Starter motor is damaged - Replace or repair starter.
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| SKID STEER LOADERS SPECIFICATIONS |