How CleaningJohn Deere Tractor 100 Series Engine Air Intake Screen and Fins

 

CAUTION: Avoid injury! Compressed air can cause debris

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to fly a long distance.

• Clear work area of bystanders.
• Wear eye protection when using compressed air for cleaning purposes.

• Reduce compressed air pressure to 210 kPa (30 psi)

IMPORTANT: Avoid damage! An obstructed air intake screen can

cause engine damage due to overheating. Keep air intake screen

and other external surfaces of the engine, including cooling fins,

clean at all times to allow adequate air intake.

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1 Park machine safely. (See Parking Safely in the SAFETY section.)

2 Lift hood.

   Picture Note: Twin cylinder engine shown.

3 Clean air intake screen (A), cooling fins and external surfaces with rag,

brush, vacuum or compressed air.

4 Lower hood.

 

How to Change the Oil and Filter on a John Deere Tractor 100 Series Engine

 

• IMPORTANT: Avoid damage! Change the oil more often if the
• vehicle is used in extreme conditions:
• Extremely dusty conditions.
• Frequent slow or low-speed operation.
• Frequent short trips.

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1. Run engine to warm oil.
2. Park machine safely. (See Parking Safely in the SAFETY section.)
3. Lift hood.

Picture Note: Twin cylinder engine shown.

4  Put drain pan under drain valve (A).

5  Rotate and remove drain cap (B) and drain oil into oil drain pan. Allow

oil to drain completely.

6 Remove dipstick (C).

t2

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Picture Note: Twin cylinder engine shown.

7 Replace oil filter (D), if equipped.

a.Wipe dirt from around oil filter.

b.Place a drain pan or funnel under filter tray.

c.Remove old filter and filter gasket and dispose of properly. Wipe up

any spilled oil.

d.Put a light coat of fresh, clean oil on the new filter gasket.

e.Install replacement oil filter by turning oil filter to the right (clockwise)

until the rubber gasket contacts filter base. Tighten filter an additional

one-half turn.

8 Install drain cap

IMPORTANT: Avoid damage! Do not overfill. Overfilling can cause

smoking, hard starting, fouling of spark plug, and oil saturation of

air filter.

9 Add oil no higher than FULL mark on dipstick. Use approximately the

amount of oil listed in the Specifications section. Do not overfill.

10 Install dipstick.

11 Start and run engine at idle to check for leaks. Stop engine. Fix any

leaks before operating.

12 Check oil level. Add oil if necessary

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How to Check Engine Fluid Levels (John Deere Tractor 100 Series Engine Maintenance Procedure 1)

 Engine Oil 

 

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Use oil viscosity based on the expected air temperature range during the 

 

period between oil changes.

 

    

The following John Deere oils are preferred: 

 

• TURF-GARD™ 

 

• PLUS- 4™ 

 

 

Other oils may be used if above John Deere oils are not available, 

 

provided they meet the following specification: 

 

• API Service Classification SJ or higher

 

 

 

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Checking Engine Oil Level

 

IMPORTANT: Avoid damage! Failure to check the oil level

regularly could lead to serious engine problems if oil level is out

of the operating range:

• Check oil level before operating.

• Check oil level when the engine is cold and not running.

• Keep oil level between the dipstick marks.

• Shut off engine before adding oil.

 

NOTE: Check oil twice a day if you run engine over 4 hours in a day.

Make sure engine is cold when checking engine oil level. 

 

  

 

1. Park machine safely. (See Parking Safely in the SAFETY section.) 

 

2. Lift hood. 

 

3. Clean area around dipstick to prevent debris from falling into crankcase

 

  

 

 

Picture Note: Twin cylinder engine shown. 

  

4. Remove dipstick (A). Wipe with clean cloth. 

 

5. Install and tighten dipstick.

 

6. Remove dipstick. 

 

7. Check oil level on dipstick. Oil must be between ADD and FULL marks. 

 

8. If oil level is low, add oil to bring oil level no higher than FULL mark on 

 

dipstick. Do not overfill. 

 

9. Install and tighten dipstick. Lower hood.

 

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Introduction to the structural features of Komatsu excavator (PC400-7 and PC200-8) SAA6D125E-3 and SAA6D107E-1 diesel engines

 (1) The SAA6D125E-3 diesel engine complies with strict emission regulations: US EPA standards (2001 regulations), European 2002 regulations, and Japanese construction equipment 2003 regulations. It is a high-performance, high-efficiency, low-fuel-consumption, low-noise diesel engine with improved exhaust color and improved acceleration performance.

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(2) Both the SAA6D125E-3 and SAA6D107E-1 diesel engines are in-line, 6-cylinder, water-cooled, direct injection diesel engines.

(3) The SAA6D125E-3 and SAA6D107E-1 diesel engines use an electronically controlled common rail fuel injection system, which injects high-pressure fuel at a pressure of 118MPa, providing optimal injection control to match speed and load, thereby improving diesel engine emission performance and reducing fuel consumption and noise.

(4) The piston is made of high-quality steel and cast in a vibration cooling furnace, with Komatsu's traditional minimum thermal expansion, which improves diesel engine reliability and life. 

(5) The SAA6D125E-3 and SAA6D107E-1 diesel engines use an electronically controlled common rail fuel injection system and an optimal divergence characteristic design during low-temperature starting, which improves starting performance and reduces white smoke emissions. 

(6) The turbocharger used in the 125E-2 diesel engine has been improved so that the air supply cycle can control the impact of the compressor end, optimize performance, and have a wider speed range from low speed to high speed, and lower fuel consumption. 

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(7) The thickness of the top surface of the cylinder block has been increased to prevent deformation after long-term operation and make remanufacturing easier. In addition, the main body rigidity has been improved by increasing the rigidity of the main ribs, reducing deformation and vibration under load and preventing the generation of various noises.

(8) The fuel pump size of the electronic common rail fuel injection system is 1/3 of that of the ordinary inline fuel injection system. In addition, the mounting seat is replaced by a flange, which is tightly connected to the timing gearbox to reduce noise. 

 

 

(9) The air filter is changed from a common end face seal to a radial seal to prevent dust from entering and damaging parts. In addition, the 5-segment display type air filter clogging sensor can provide accurate information on the cleaning time.

(10) The oil filter is a high-performance and high-efficiency filter. 

(11) The fuel filter is a high-performance and high-efficiency special fuel filter that can filter out small particles of dirt and protect the electronic common rail fuel injection system

(12) If the electronic control unit determines that the diesel engine is operating abnormally, a warning will be issued and the system will be switched to emergency escape mode. 

(13) When the diesel engine is started at a very low temperature, if the diesel engine speed suddenly increases, overloading will apply excessive load to the bearings before sufficient lubrication, which will reduce the service life of the diesel engine. In particular, overloading will damage the

floating bearing of the turbocharger. In order to prevent this from happening, a turbine protection system is installed to limit the diesel engine speed.

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