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John Deere 3720 Maintenance Data
John Deere 3720 Service Intervals
Every Ten Hours or Daily
Engine oil level checking procedure. If the engine oil level is low,
fill in fresh oil.
Transmission/hydraulic oil level checking. If transmission/hydraulic oil
is too low, fill in new oil.
Checking engine air filter elements. Replace if required.
Check engine coolant level. If the coolant level is too low, fill the
system.
Check engine speed, steering, hand brake and service brakes. Repair any
damage if required.
Every 50 Hours
Check tyre pressure. If the tyre pressure is low, inflate the tyres.
Check the battery. Clean if required.
Service or change the cab air recirculation filter. Part number:
MIU10010.
Checking the oil in front axle. Add if required.
Check the oil level in hydraulic system. Add oil to hydraulic system if
necessary.
Lubricate rear and front axle hub bearings.
Check wheels and tighten screws and nuts if required.
Every 200 hours
Replace engine oil. Recommended motor oil: Plus-50, SAE 15W-40, 10W-40,
10W-30, 5W-30. API Service Category CH or higher. How much is required:
Engine oil capacity: 5.7 L (1.51 gal). After installing a new filter,
check that the engine oil level is correct.
Changing oil filter. Filter part number - M806419. Flush the filter
housing before the filter element replacement procedure. After replacing
the filter, check the oil level. Add oil if it is low.
Transmission/hydraulic oil change. Oil type - Low Viscosity Hy-Gard,
J20C, J20D. Transmission/hydraulic system capacity: PowrReverser Models
- 23.8 L (6.3 gal), eHydro Models - 25.7 L (6.8 gal). After changing the
transmission fluid, check the level with a dipstick.
Replace hydraulic/transmission filter element. Hydraulic/transmission
filter element part number - LVA13065. When the filter element is
replaced, check the hydraulic/transmission fluid level. Add hydraulic
oil if it is low.
Clean radiator fins if fins are dirty.
Inspect alternator/fan belt. Change if necessary.
Check the torque of the wheel bolts.
Every 400 Hours
Engine air filter elements checking. Replace as required. Engine primary
air filter part number: RE68048. Engine secondary air filter part
number: RE68049.
Change diesel fuel filter. Engine fuel filter part number: MIU800645.
Check the efficiency of fuel injection pump.
Check the coolant in radiator. Top up if coolant is low.
Check engine idle speeds. Adjust engine idle as required.
Check and tighten all hoses and clamps.
Change front axle lubricant. Front axle capacity: 4.5 L (4.8 qt).
Check and adjust the brake system components.
Yearly
John Deere 3720 replacement parts
Engine Primary Air Filter. Part Number: RE68048
Engine Secondary Air Filter. Part Number: RE68049
Engine Oil Filter. Part Number: M806419
Engine Fuel Filter. Part Number: MIU800645
Transmission/Hydraulic Oil Filter. Part Number: LVA13065
Cab Air Recirculation Filter. Part Number: MIU10010
Change filter and engine oil. Service oil system components.
Change engine primary/secondary air filter elements.
Change transmission/hydraulic fluid.
Change transmission/hydraulic filter.
Replace the fuel filter, but drain water from fuel tank first.
Clean oil cooler fins and radiator.
Flush the cooling system and add fresh coolant. Cooling system capacity:
Models without Cab - 5.3 L (1.40 gal), Models with Cab - 7.0 L (1.85
gal).
Check all hoses and clamps.
Check and service the battery.
Check engine valve clearance.
Check and adjust fuel injectors.
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JOHN DEERE TRACTORS SPECIFICATIONS |
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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 |
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JOHN DEERE FRONT END LOADERS |
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JOHN DEERE TRACTORS MAINTENANCE |
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JOHN DEERE TRACTORS TROUBLESHOOTING | ||||
2640 | 3040 | 3310 | 3650 | 4100 |
5050D | 5090R | 5410 | 6105R | 7200R |
E130 | L111 | LA110 | LT155 | X300R |
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