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John Deere 332E Troubleshooting

The John Deere 332E skid steer loader driveline system components: a 186.3 cu.in (3.1L) Yanmar 4TNV94FHT four-cylinder turbocharged intercooled diesel engine with a rated power of 100 hp (74.6 kW), and 1-speed or 2-speed transmission. The hydraulic system has a pump with a rated capacity of 25 gal/min (95 l/min). The system pressure is 3450 psi (238 bar). The John Deere 332E is equipped with integral automatic wet disc brakes and 14x17.5 tires. The skid steer loader has a maximum lift height of 127" (3225 mm) to hinge pin and dump height of 102" (2590 mm). The rated operating capacity is 3200 lbs (1455 kg), and tipping load is 6400 lbs (2905 kg).

Engine Troubleshooting

Engine starts hard or doesn't start
Air in the fuel system - Air bleeding.
Fuel filter plugging - Replace the filter element.
Clogged or defective injection nozzles - Inspect nozzles and replace if necessary.
Water or dirt in fuel system - Drain, flush, and service the system.
Valve clearance is out of adjustment - Check and adjust.
Fuel injection pump damage - Change pump or rebuild it.

Diesel starts but then stops
Air cleaner is clogged - Clean or change cleaner.
Dirty fuel filter - Clean or replace the filter.
Fuel injection pump leakage - Check the fuel injection pump for leaks and fix it.
Dirty or defective injectors - Replace fuel injectors.
Fuel injection pump is broken - Rebuild or change fuel pump.

Diesel shuts off while driving
Low coolant temperature - Warm up to required temperature.
Fuel filter element is clogged - Clean the filter or install new filter element.
Air in fuel tank - Bleed fuel tank.
Clogged injection nozzle - Clean or replace injection nozzles.
Fuel injection pump timing is not adjusted - Set it up as required.

Engine stops at idle
Low idle speed adjustment is incorrect - Adjust low idle speed.
Faulty fuel injection pump - Repair or install new pump.
Fuel injectors are dirty or defective - Test and replace fuel injectors if necessary.
Excessive valve clearance - Correct valve clearance needs to be set.

Diesel power loss
Clogged air filter - Change or service air filter element.
Fuel injection nozzles are faulty or clogged - Check injection nozzles and replace if required.
Fuel injection pressure is wrong - Check the fuel injection pressure and adjust if necessary.
The valve clearance is incorrect - Adjustment procedure required.
Wrong adjustment of low idle speed - Correct the settings.
Fuel lines or hoses are dirty - Clean fuel hoses and lines.
Cylinder head gasket is defective - Gasket should be replaced.
Defective or worn piston rings - Install new piston rings.

Engine overheats
Engine coolant is insufficient - Refill to the correct level and inspect system for leaks.
Lack of engine oil - Check oil level and add oil as required.
Radiator core is clogged or radiator cap is leaking - Clean radiator or change cap.
Fan belt slipping or worn - Belt change is required.
Diesel engine overloaded - Load reducing is recommended.

Insufficient oil pressure
Insufficient engine oil - Check oil level and add oil as required.
Oil filter element clogged - Service or replace engine oil filter.
Incorrect oil viscosity - Use oil of correct viscosity.
Incorrect oil clearance in main bearing - Bearing replacement required.
Defective oil pump - Repair or replace.

Abnormal engine knocking or noise
Insufficient engine oil - Fill the crankcase with engine oil.
Engine is cold - Warm up to required temperature.
Incorrect adjustment of fuel injection pump timing - Set up as recommended.
Improperly adjusted low idle speed - Adjust low idle speed.
Fuel injectors are dirty or defective - Test and replace fuel injectors if necessary.
Faulty or misaligned connecting rod - Need to replace or align the connecting rod.
Scored or worn pistons - Have pistons replaced.

Drive System Troubleshooting

Drive system doesn't function in one direction or either direction
Low hydraulic oil level - Fill the system to proper hydraulic oil level.
Drive chain malfunction - Inspect drive chain and replace defective parts.
Input drive shaft is defective - Repair or install a new drive shaft.
Relief valve failure - Repair or replace.
Suction line or hydraulic filter is clogged - Change hydraulic filter or service suction line.
Foot or hand controls are defective - Repair or replace.
Drive motor or pump is defective - Repair or replace faulty component.

Reduced power
Dirty hydraulic oil filter - Change hydraulic filter.
Relief valve is defective or opened - Close or replace relief valve.
Transmission parts are defective or worn - Check and replace defective components.
Input drive shaft is stuck - Repair or replace drive shaft.
Air in the hydraulic system - Need to bleed air.

Drive system keeps overheating
Hydraulic oil level is low - Need to add oil.
Hydraulic fluid filter is clogged - Check, clean, or change as necessary.
Relief valve defective or worn - Repair or replace relief valve.
Drive pump or hydraulic motor is damaged - Check and repair if required.
Clogged hydraulic oil cooler - Clean the cooling fins.
Drive system overloaded continuously - Load should be reduced.

Excessive noise
Oil viscosity is too heavy - Drain and refill with proper oil.
There is air in the hydraulic system - Air bleeding is required.
Damaged drive pump or hydraulic motor - Repair or change faulty component.
Mechanical components of drive system are damaged - Inspect the components and repair as required.

Hydraulics Troubleshooting

Hydraulic system overheated
Hydraulic pressure is not adjusted correctly - Adjust pressure as required.
Main relief valve is damaged or adjusted improperly - Replace or set up the relief valve.
Dirty hydraulic oil - The oil must be changed.
Hydraulic oil level is insufficient - Check oil level and add hydraulic oil as required.
Hydraulic pump is defective - Replace or repair pump if necessary.

Lift arm fails to drop or lift
Lift controls are damaged - Repair or change.
Hydraulic pump malfunction - Install new pump or repair it.
Faulty hydraulic control valve - Change or repair hydraulic valve.
Hydraulic cylinder not working - Change or repair lift cylinder.
Hydraulic oil is insufficient - Need to add oil.

Bucket tilt does not work
Defective bucket controls - Repair or change.
Hydraulic pump not working - Repair or replace pump if necessary.
Hydraulic control valve is defective - Repair or change the valve.
Bucket cylinder failure - Repair or install a new cylinder.
Hydraulic oil level low - Check and refill the hydraulic oil.

Boom or bucket is moving slowly
Hydraulic pump is defective - Check pump capacity and change if necessary.
Hydraulic cylinder leaking - Install new cylinder seals.
Insufficient hydraulic oil - Fill the system to proper hydraulic oil level.
Hydraulic control valve is unadjusted or worn - Repair or adjust properly.
Low hydraulic pressure - Adjust pressure correctly.

Lift arm or bucket movements are jerky
Air trapped in hydraulic system - Air bleeding is required.
Hydraulic oil filter clogging - Clean or install new filter.
Dirty hydraulic oil - Fill up with fresh hydraulic oil.
Cylinder tube or rod scoring - Change failed component.

Hydraulic pump is excessively noisy
Hydraulic leakage or low oil level - Add hydraulic oil or correct system leaks.
Dirty hydraulic filter - Clean or change the filter.
Clogged suction line - Need to service the suction line.
Air enters the pump - Remove air from hydraulics.
Pump parts are worn out - Install new hydraulic pump or rebuild it.

Electrical Troubleshooting

Battery is not charging
Electrical cable connections are loose or corroded - Tighten or clean electrical wiring connections.
Battery terminal clamps are defective - Replace terminal clamps.
Battery bad cell - Battery replacement required.
Loose or damaged belt - Adjust belt tension or replace belt.

Starter motor cranks slow
Battery power is low - Low battery charging, charge as required.
Battery won’t hold charge - Service or replace the battery.
Battery terminals are corroded or wires are disconnected - Connect wiring correctly or install new terminals.

Starter motor won't turn
Battery is discharged or worn - Change or recharge battery.
Battery cables are disconnected or improperly connected - Inspect cables and connect properly.
Battery capacity is low - Battery is drained, recharge it.
Starter motor failure - Starter should be changed.