M653, M655 and M665 PIN (010001- )
Introduction
Safety Signs
Controls
Operating Machine
Replacement Parts
Service Machine Safely
Service Interval Chart
Service Lubrication
Service Engine
Engine Warranty Maintenance Statement
Changing Engine Oil and Filter
Cleaning Engine Oil Cooling Fins
Cleaning Air Intake Screen and Pump Drive Belt Compartment
Checking and Cleaning Precleaner and Air Cleaner Element
Service Transmission
Service Steering & Brakes
Service Mower
Service Electrical
Service Miscellaneous
Troubleshooting
Storing Machine
Assembly
Specifications
Warranty
John Deere Service Literature
John Deere Quality Statement
Copyright© Deere & Company
Service Engine
Engine Warranty Maintenance Statement
Maintenance, repair, or replacement of the emission control devices and systems on this engine, which are being done at the customers expense, may be performed by any nonroad engine repair establishment or individual. Warranty repairs must be performed by an authorized John Deere dealer.
Adjusting Carburetor
NOTE: The carburetor is calibrated by the engine manufacturer and should not require any adjustments.
If engine is operated at altitudes above 1829 m (6,000 ft.), some carburetors may require a special high altitude main jet. See your John Deere dealer.
Possible engine surging will occur at high rpm when the transmission is in neutral ("N") and the PTO switch is in the OFF position. This is a normal condition due to the emission control system.
If engine is hard to start or runs rough, check the TROUBLESHOOTING section of this manual.
After performing the checks in the troubleshooting section and your engine is still not performing correctly, contact your John Deere dealer.
Avoid Fumes
c CAUTION: Avoid injury! Engine exhaust fumes can cause sickness or death:
- If it is necessary to run an engine in an enclosed area, use an exhaust pipe extension to remove the fumes. |
Engine Oil
Use oil viscosity based on the expected air temperature range during the period between oil changes.
The following John Deere oils are preferred:
The following John Deere oils are also recommended, based on their specified temperature range:
· TORQ-GARD SUPREME® (SAE 5W-30)
Other oils may be used if above John Deere oils are not available, provided they meet one of the following specifications:
· SAE 5W-30-API Service Classification SG or higher
· SAE 10W-30-API Service Classification SG or higher
Check Engine Oil Level
1. Park mower on a level surface. Stop engine. Allow engine to cool.
2. Clean area around dipstick prior to removing it.
3. Remove dipstick (A). Wipe it clean.
5. Remove dipstick. Check oil level on dipstick; oil level should be between "L" LOW and "F" FULL (B).
· If oil is low, add oil to bring oil level no higher than the FULL mark on dipstick. (See Engine Oil in this section for correct oil.)
· If oil level is above the "F" FULL mark, drain to proper level.
IMPORTANT: Avoid damage! To prevent extensive engine wear or damage, always maintain the proper engine oil level. Never operate the engine with the oil level below the add mark or over the full mark. |
Changing Engine Oil and Filter
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c CAUTION: Avoid injury! Help prevent serious personal injury. Allow the engine, exhaust pipe and muffler to cool before performing this service function.
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2. Park mower on a hard, level surface.
3. Engage the park brake. Stop the engine.
· Put container under drain tube.
· Loosen and remove drain plug (A).
· Allow oil to drain into an oil drain pan.
· After oil drains, install and tighten drain plug.
5. Remove oil filter (B). Turn filter left to remove.
6. Apply a film of clean engine oil on gasket of new filter.
7. Install filter. Turn filter right until gasket makes contact with mounting surface. Tighten 1/2 to 3/4 turn after gasket contact.
8. Clean area around the oil fill cap (C) and oil dipstick (D).
Picture Note: On Model M653 the oil fill cap is located on the LEFT side of the engine. On Models M655 and M665 the oil fill cap is located on the RIGHT side of the engine.
9. Unscrew and remove the oil fill cap. (See Engine Oil in this section for correct oil application.)
10. Add approximately 2.0 L (2.1 qt.) of oil.
11. Install and tighten oil fill cap.
12. Start engine and run at slow throttle for approximately two minutes. Check for leaks around filter and drain plug.
· Remove and wipe oil dipstick clean with a rag.
· Remove dipstick. Oil level should be between "L" LOW and "F" FULL (E).
Checking Spark Plugs
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c CAUTION: Avoid injury! Before removing the spark plugs, STOP the engine and let it cool.
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1. Stop engine and engage park brake.
2. Clean area around both spark plugs.
3. Disconnect the spark plug wire (A) from each plug.
4. Remove and inspect spark plugs:
· Clean each plug and check for damage, replace if necessary.
· If plugs are in good condition, check gap.
5. Check and adjust spark plug gap (B) to 0.76 mm (0.030 in.).
· Tighten to 24.4-29.8 N·m (18-22 ft.-lb.).
7. Install both spark plug wires.
Cleaning Engine Oil Cooling Fins
1. Stop engine and engage park brake.
2. Lift and secure operator seat in the raised position.
3. Locate engine oil cooler on right side of the engine.
4. Clean engine oil cooling fins (A) with a rag, brush, or compressed air.
Cleaning Air Intake Screen and Pump Drive Belt Compartment
1. Stop engine and engage park brake.
2. Lift and secure operator seat in the raised position.
3. Open rubber access door (A).
4. Clean engine screen (B) and the pump drive belt compartment (C) with a rag, brush or compressed air.
Cleaning Engine Cooling Fins
1. Stop engine and engage park brake.
2. Lift and secure operator seat in the raised position.
3. Open rubber access door (A).
4. Remove cap screws (B) and front clean out plates (C) from each side of engine.
5. Remove spark plug wire (D) from each engine spark plug.
6. With compressed air, thoroughly clean grass buildup and debris from the following areas:
· Head cooling passage behind each front cleanout plate (B).
· Area (E) behind each spark plug access hole.
· Area (F) at the rear and on both sides of the engine.
· Area (G) on the right side of the engine.
7. Install front clean out plates.
Checking and Cleaning Precleaner and Air Cleaner Element
NOTE: It may be necessary to check the air filter more frequently if operating vehicle in dusty conditions.
1. Stop engine and engage park brake.
2. Loosen air cleaner cover retaining knob (A) and remove the cover (B).
3. Inspect foam precleaner (C) without removing.
NOTE: DO NOT wash paper element.
4. If foam precleaner is dirty, carefully remove from filter, leaving paper element (D) in the air cleaner housing:
· Wash foam precleaner in a solution of warm water and liquid detergent. Squeeze out excess water in a dry cloth until precleaner is completely dry. (DO NOT wring.)
· Put approximately 30 ml. (1 oz.) of clean engine oil onto precleaner. Squeeze precleaner to distribute oil evenly. Squeeze out excess oil with a clean cloth.
5. Inspect and replace paper filter element (D) ONLY if damaged or very dirty.
6. Remove element cover wing nut (F) and cover (E) and remove paper element.
7. Install cleaned foam precleaner and NEW paper element.
8. Install element cover and wing nut.
9. Install air cleaner cover and retaining knob.
Replace Fuel Filter
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c CAUTION: Avoid injury! To avoid injury, keep cigarettes, sparks, and flames away from the fuel system. Make sure engine is cool to the touch.
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IMPORTANT: Avoid damage! When installing a new fuel filter, the filter arrow must be pointed in the direction of the fuel flow. |
1. Park mower on a hard, level surface.
2. Stop engine and engage park brake. Allow engine to cool.
3. Locate the fuel shut-off valve (A) mounted to the right of the operator seat.
· Turn fuel shut-off valve to the "OFF" (CLOSED) position.
4. Slide hose clamps (B) away from filter (C).
5. Place a drain pan under hoses to catch any fuel that may be left in the hoses.
6. Disconnect hoses from filter.
· Make sure filter is installed with arrow (D) pointing in direction of fuel flow.
8. Connect hoses to new filter.
10. Turn fuel shut-off valve (A) to the "RH TANK" (OPEN) position or the "LH TANK" (OPEN) position.