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John Deere 322 Troubleshooting
The
John Deere 322 garden tractor was manufactured from 1988 to 1992. The JD 322 is
equipped with Yanmar 3TG66UJ four-stroke three-cylinder liquid cooled gasoline
engine and Sundstrand 15 shaft-driven hydrostatic transmission.
A 40.2 cu.in
(0.66 L) engine has a cylinder bore of 2.6" (66 mm), piston stroke of 2.53" (64
mm), and maximum power of 18 hp (13.4 kW). Max. forward speed - 35 km/h, max.
reverse speed - 22 km/h. The hydraulic system capacity is 1.63 gal (6.2 L). The
tractor was equipped with a power steering system, mechanical drum brakes,
16x6.50-8 front tires, and 23x10.50-12 rear tires.
The wheel base is 46 in (1160
mm). The John Deere 322 garden tractor is compatible with the following
attachments: 38", 46", 50" mid-mount 3-blade mower decks with hydraulic lifting
system, 54" front-mount blade with hydraulic or manual angle, 46" front-mount
single-stage snow blower, 47" front-mount two-stage snow blower, and John Deere
44 front end loader with lift capacity to full height of 400 lbs (181 kg).
| Engine Troubleshooting |
| Engine hard starting or not starting |
| Empty fuel tank - Add fuel |
| Improper fuel grade - Use quality fuel |
| Dirt and debris in fuel system - Remove debris and dirt |
| Faulty spark plug wire connection - Check the spark plug wire connection, repair or replace |
| Spark plug is defective - Change spark plug |
| Fuel filter is plugged - Fuel filter needs changing |
| Faulty safety switch - Change damaged switch |
| Carburetor malfunction - Check and repair as required |
| Poor engine compression - Check cylinder block and replace damaged components |
| Not adjusted or damaged throttle cable - Adjust correctly or change the cable |
| Air intake screen is blocked - Clean and wash as required |
| Defective ignition system - Inspect ignition system and change failed components |
| Defective or stuck throttle cable - Service or replace the cable |
| Plugged air filter - Replace or clean air filter |
| Fuel pump is faulty or clogged - Test fuel pump and replace if necessary |
| Engine starts and stalls immediately |
| Spark plug is defective - Replace spark plug |
| Clogged or faulty carburetor - Clean or replace carburetor |
| Ignition coil is defective - Change ignition coil as required |
| Weak or damaged valve springs - Valve springs need to be changed |
| Valves are stuck - Service the valves |
| Not enough engine oil - Checking oil level and add if necessary |
| Engine is overloaded - Reduce load |
| Cooling fins are plugged - Clean and wash as required |
| Too lean fuel mixture in carburetor - Set the carburetor properly |
| Ignition timing is improper - Set the ignition timing correctly |
| Valve setting is wrong - Valves needs to be adjusted properly |
| Abnormal engine knocking or noise |
| Stale or low octane fuel - Use proper fuel |
| Engine is under excessive load - Reduce the load |
| Low engine oil level - Fill the crankcase with engine oil |
| Incorrect low idle setting - Need to adjust idle speed |
| Dirty or damaged fuel pump - Clean or replace fuel pump |
| Worn crankshaft or main bearings - Change defective components as required |
| Excessive valve clearance - Adjust valve clearance according to specifications |
| Cylinder bore or piston rings are damaged - Change faulty components |
| Engine power is insufficient |
| Carburetor is incorrectly adjusted or clogged - Service or properly adjust carburetor |
| Air filter element is plugged - Replace or clean air filter |
| Dirty or faulty fuel pump - Clean or install new fuel pump |
| Ignition system failure - Inspect ignition system and change faulty parts |
| Cylinder head gasket is damaged - Install new head gasket |
| Valves are stuck or burned - Clean or replace valves |
| Push rod is worn or damaged - Change push rod |
| Faulty cylinder block components - Replace defective components |
| Choke doesn't open well - Adjust or replace choke cable |
| Carburetor main jet is improperly adjusted - Adjust it properly |
| Spark plug is faulty or loose - Spark plug need to be tightened or replaced |
| Valves are worn, burned or stuck - Replace or service valves |
| Piston, sleeve, or rings are damaged - Replace defective parts as required |
| Valve clearance is wrong - Adjust valve clearance |
| Worn gaskets or seals - Defective components must be replaced |
| Valve guides or stems are damaged - Install new valves |
| Stuck or worn piston rings - Have piston rings replaced |
| Piston or cylinder liner is scuffed - Inspect piston and liner, change as required |
| Breather hose or pipe is blocked - Change or service |
| Hydrostatic Transmission Troubleshooting |
| HST transmission is making noise |
| Worn or out of adjustment speed control linkage - Change or adjust linkage |
| Excessive loading - Reduce the load is required |
| Contaminated transmission fluid or low fluid level - Pour fresh fluid or add transmission fluid to proper level |
| Transmission components are damaged or worn - After disassembling and inspection, change defective components |
| Shift linkage is corroded or worn - Lubricate or replace linkage |
| Hydrostatic pump is seized or faulty - Repair or replace pump |
| Faulty or misadjusted transmission shift control parts - Adjust properly or change |
| Lack of transmission oil supply - Need to add transmission oil |
| Worn or faulty drive pulley - Replace pulley |
| Shifter linkage is faulty or not adjusted - Replace or adjust linkage |
| Defective or not adjusted speed control pedal linkage - Adjust or replace linkage |
| Transmission seals or gaskets are broken - Change gaskets or seals |
| Leaking final drive shaft - Replace shaft seals |
| Transmission case is cracked - Install a new transmission case |
| Mower Deck Troubleshooting |
| Mower vibration is excessive |
| Mower deck drive pulley is worn or dirty - Change or clean pulley |
| Worn or loose drive belt - Adjust belt tension or replace belt |
| Unbalanced or warped mower blades - Balance or change blades |
| Loose blade mounting bolts - Tighten it fast |
| Discharge chute is regularly plugged |
| High mowing speed - Select a lower speed |
| Long grass - Must be set to low cutting height |
| Engine rpm is too low - Adjust carburetor to higher rpm |
| Mower cuts too low - Need to set high cutting height |
| Incorrect mower drive belt installation - Install drive belt as required |
| Deck is plugged with grass - Check cutting deck and clean as necessary |
| Blades are not sharp - Need to sharpen the blades |
| Blades are defective or worn - Blades need to be replaced |
| Fast ground speed - Select a slower speed |
| Mower cuts too low - Use a higher cutting height |
| Grass bag is full - Grass bag must be empty |
| Bumpy or unleveled lawn - Lawn needs to be leveled |
| Cutting height is too low - Change cutting height adjustment |
| Fast mowing speed - Use a lower speed |
| Incorrect level of mower deck - Level the deck properly |
| Bent or worn blades - Change the blades |
| Incorrect tire pressure - Inflate tires as required |
| Tire pressure is too low - Inflate tires as required |
| Deck level is not correct - Deck needs to be adjusted properly |
| Not sharp blades - Need to sharpen the blades |
| Bent or worn blades - Blades need to be replaced |
| Cutting deck clogging - Need to clean the mower deck |
| Deck housing is damaged - Rebuild or change mower deck |
| Mower spindle is loose or defective - Install new spindle or repair it |
| Electrical Troubleshooting |
| Battery does not charge |
| Corroded or loose wire connections - Service or tighten connections |
| Battery terminal clamps are faulty - Change terminal clamps |
| Battery is worn - Use a new battery |
| Low battery power - Recharge the battery |
| Battery will not hold charge - Service battery or change it |
| Faulty battery terminals or disconnected cables - Check battery wires and service or replace terminals |
| Battery is discharged or worn - Change or recharge battery |
| Disconnected or incorrectly connected wires - Inspect battery wires and connect correctly |
| Low battery voltage - Battery is drained, charge it |
| Spark plug gapped improperly or faulty - Clean, gap or replace spark plug |
| Solenoid or starter motor failure - Replace solenoid or repair starter |
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| Lawn and Garden Tractors Technical Specs |
