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John Deere 2630 Troubleshooting

John Deere 2630 Diesel Engine Troubleshooting

Engine starts hard or won't start: Fuel filter plugged. Clean or replace the filter. Air in the fuel system. Air bleeding. Clogged injection nozzle. Clean or replace injection nozzles. Fuel injection pump failure. Replace or rebuild injection pump.

Engine stalls while running: Wrong setting of fuel injection pump timing. Set up as recommended. Fuel filter element is clogged. Change filter element. Coolant temperature is low. Warm up the engine.

Diesel starts and stops: Fuel filter element is dirty. Clean or replace the filter. Fuel injection pump malfunction. Install a new pump or rebuild. Air filter is dirty. Clean or change.

Engine overheats: Dirty radiator core or defective radiator cap. Change cap or clean radiator. Coolant level is low. Fill the cooling system and check components for leaks or other faults. Fan belt is broken or worn. Fan belt must be replaced. Engine oil level is insufficient. Add oil to the engine crankcase.

Diesel engine is losing power: Fuel injection nozzles are faulty or clogged. Check injection nozzles and replace if required. Dirty fuel lines or hoses. Clean fuel hoses and lines. Intake air restriction. Service air cleaner. Cylinder head gasket is blown. Cylinder-head gasket replacement required.

Abnormal engine noise or knocking: Engine is not fully warmed up. Warm up the engine. Insufficient engine oil. Check and refill engine oil. Improper setting of fuel injection pump timing. Adjust according to specifications. Broken or worn pistons. Pistons need to be replaced. Connecting rod is worn or not aligned. Align or replace connecting rod.

Engine stops at idle: Incorrect low idle speed adjustment. Adjustment required. Valve clearance is out of adjustment. Adjust valve clearance. Damaged fuel injection pump. Repair or replace injection pump.

Oil pressure too low: Not enough oil in the engine. Add oil to the engine crankcase. Defective oil pump. Repair or change. Dirty oil filter. Change or clean engine oil filter element.

John Deere 2630 Transmission Troubleshooting

Transmission makes excessive noise: Worn gears or incorrect backlash. Replace gears or adjust backlash correctly. Worn or damaged gear shift forks. Change the shift forks. Worn or damaged shaft splines. Shaft need to be replaced. Low oil level. Fill the transmission housing with oil. Worn or damaged bearings. Change the bearings. Transmission oil is contaminated. Transmission oil change required.

Gear shift is hard: Gear shift linkage is worn or rusty. Shift linkage need to be replaced. Worn or unadjusted clutch. Adjust clutch or replace if required. Shift forks are worn or bent. Change defective shift forks. Worn gear shifting mechanism. Repair or change worn components if necessary.

Low transmission oil pressure: Transmission fluid insufficient. Need to add transmission fluid. Transmission oil filter is clogged (if fitted). Clean or change transmission oil filter. Defective relief valve. Replace relief valve as required.

Transmission fluid leakage: Broken seals or gaskets. Install new components. High transmission fluid level. Drain the excess fluid.

John Deere 2630 Hydraulic System Troubleshooting

Hydraulic system overheats: Improper hydraulic fluid type. Use the proper type of hydraulic fluid. Hydraulic fluid contamination. Change hydraulic fluid. Air in hydraulic lines. Bleed hydraulic lines. Main relief valve failure. Change relief valve.

Hydraulic fluid pressure is low: Low hydraulic oil level. Fill the system to proper hydraulic oil level. Dirty hydraulic fluid filter element. Hydraulic filter maintenance required. Leaks in hydraulic lines. Find leaks in the system and fix it. Hydraulic control valve is out of adjustment. Need to make adjustment. Faulty hydraulic pump. Replace or repair hydraulic fluid pump. Damaged hydraulic cylinder. Change or repair hydraulic cylinder.

Hitch does not raise or raises very slowly: Defective hydraulic pump. Repair or replace hydraulic fluid pump. Main relief valve malfunctioning. Relief valve replacement required. Hydraulic control valve is faulty. Install a new valve or repair it. Broken hydraulic cylinder. Repair or replace hydraulic cylinder. Low hydraulic fluid level. Fill up the hydraulic fluid. Clogged hydraulic fluid filter element. Service the hydraulic filter or change if required. Excessive hitch loading. Reduce loading.

Hitch won't drop or drops slowly: Hydraulic cylinder malfunction. Install a new hydraulic cylinder or repair it. Incorrect adjusted hydraulic spool valve. Adjust the spool valve correctly. Hitch cross shaft is worn. Install a new shaft. Hitch is out of adjustment. Adjustment is required.

Jerky lifting or lowering of three-point hitch: Hydraulic fluid contamination. Change hydraulic fluid. Hydraulic pump is defective. Change or repair hydraulic fluid pump. Air in hydraulic lines. Bleed hydraulic lines. Damaged hydraulic control valve. Repair or replace the valve. Hydraulic cylinder is defective. Install a new hydraulic cylinder or repair it.

John Deere 2630 Steering Troubleshooting

Steering wheel has too much free-play: Steering column shaft or coupling is worn out. Change defective component. Steering pump is faulty. Install a new steering pump. Steering linkage joints are worn or loose. Inspect and change as required. Faulty or worn power steering control valve. Check and replace as required.

Excessive effort to steer: Air lock in hydraulic steering system. Bleed the steering system. Steering filter is plugged. Install new steering filter element. Not enough steering oil. Check oil level and add steering oil as required. Power steering control valve has damage or wear. Inspect and replace as required. Steering pump is worn. Replace or repair steering pump. Pump flow control valve is damaged or stuck. Install a new flow control valve or clean it. Incorrectly assembled or damaged steering column. Reassemble the steering column correctly or change it. Tyre pressure is uneven. Adjust the tyre pressure. Not adjusted toe-in. Check toe-in and correct. Leaking steering cylinder. Replace scratched piston rod or worn cylinder seals.

Tractor is pulling to left or right: Power steering control valve has wear or damage. Repair or replace the steering valve. Steering cylinder is defective. Repair or change hydraulic steering cylinder. Not adjusted toe-in. Check and adjust toe-in. Steering linkage parts are loose or worn. Check and replace as required. Front wheel bearings are damaged or incorrectly adjusted. Adjust properly or change bearings. Uneven wear on front tires. Replace the tires.

John Deere 2630 Electrical Troubleshooting

Battery is not charging: Electrical wire connections are loose or corroded. Clean or tighten connections. Battery terminal connectors are defective. Replace terminal connectors. Battery faulty cell. Install a new battery. Belt is defective or loose. Adjust belt tension or replace belt.

Starter turning slow: Low battery output voltage. Charge the battery. Battery does not hold charge. Service or change the battery. Disconnected battery cables or bad terminals. Connect cables properly or replace terminals.

Starter will not crank: Battery is discharged or defective. Change or recharge battery. Battery cables are disconnected or improperly connected. Inspect cables and connect properly. Low battery output voltage. Battery needs to be recharged. Starter motor is faulty. Change or repair starter.

JOHN DEERE TRACTORS ATTACHMENTS
1023E	2025R	2210	2520	3032E
3046R	3520	4066R	4105	4200
4320	4400	4520	4600	4720
430	420	455	X300	X350
X485	X500	X590	X700	X738

JOHN DEERE TRACTORS TROUBLESHOOTING
2640	3040	3310	3650	4100
5050D	5090R	5410	6105R	7200R
E130	L111	LA110	LT155	X300R