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Service Transmission


Transaxle Oil


MIF

Use oil viscosity based on the expected air temperature range during the period between oil changes.The following John Deere transmission and hydraulic oil is preferred:

HY-GARD (JDM J20C)

Other oils may be used if recommended John Deere oil is not available, provided they meet one of the following specifications:

John Deere Standard JDM J20C

IMPORTANT: Avoid damage! DO NOT use engine oil, "Type F" (Red) Automatic Transmission Fluid, or BIO-HY-GARD. DO NOT mix any other oils in this transmission.


Checking Transaxle Oil Level

IMPORTANT: Avoid damage! Hot hydraulic oil will expand and show incorrect oil level. Check oil level:

When oil is cold.

With engine not running.


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


M78478

2. Remove hardware securing shroud (A). Remove shroud.

IMPORTANT: Avoid damage! Dirt and debris in oil may cause damage to the transaxle. Clean area around fill plug before removing it.



M78519

3. Clean area around fill plug (B) at rear of transaxle. Remove rubber fill plug.

4. Check oil level by inserting the tip of a clean screwdriver into the fill hole. Fill level should be 50 mm (2 in.) below the fill hole.

5. Add oil as needed through the fill hole.

6. Install the fill plug.

7. Install shroud to rear of vehicle using original hardware.

Changing Transaxle Oil


MX1790

NOTE: Early models vehicles are not equipped with transaxle drain plug. The transaxle oil in these units must be extracted using a suction gun with flexible tubing extension. If necessary, obtain these items locally from an automotive supply center.

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


M78478

2. Remove hardware securing shroud (A). Remove shroud.

IMPORTANT: Avoid damage! Dirt and debris in oil may cause damage to the transaxle. Clean area around fill plug before removing it.




3. Clean area around fill plug (B) at rear of transaxle. Remove rubber fill plug.

4. Place drain pan under transaxle.

5. Drain the transaxle oil:


MX6795

Picture Note: Type of drain plug may be different on your machine.

Late Models Only - Remove drain plug (C). Allow all oil to drain. Install and tighten drain plug.

Early Models - Insert flexible tubing from suction gun into transaxle fill port. Work the tubing around all gears to the bottom surface of the transaxle. Extract the oil. Repeat until all oil is removed.

6. Add approximately 0.61 L (0.64 qt) of oil to fill hole.

7. Wait 5 minutes for all oil to settle. Check oil level by inserting the tip of a clean screwdriver into the fill hole. Fill level should be 50 mm (2 in.) below the fill hole. Add oil if necessary.

8. Install fill plug.

9. Install shroud to rear of vehicle using original hardware.

Checking Drive Belt

c CAUTION: Avoid injury! Fingers or loose clothing can get caught in rotating parts. Stop engine and wait for all moving parts to stop before servicing.

Allow vehicle to cool before checking drive belt. Area around muffler may be hot.

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

2. Raise and secure cargo box.

3. Rotate and inspect belt for wear or damage.


M78480

4. Measure width (A) of belt on top surface. Dimension should be a minimum of 27 mm (1.1 in.).

5. Replace belt if worn beyond limit.

6. Lower cargo box.

Replacing Drive Belt

c CAUTION: Avoid injury! Fingers or loose clothing can get caught in rotating parts. Stop engine and wait for all moving parts to stop before servicing.

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

2. Raise and secure cargo box.


M78481

3. Route belt over pulley (A) of driven clutch.


W01013

4. Remove belt from drive pulley (B).

IMPORTANT: Avoid damage! Drive belt must be installed so indicator arrow on belt points in the direction of belt rotation (toward front of vehicle).


5. Make sure arrow on smooth side of drive belt points toward front of vehicle. Install new belt by routing over drive pulley and then over the driven clutch pulley.

6. Lower cargo box.

Cleaning Primary Drive Clutch

IMPORTANT: Avoid damage! Never lubricate any part of the primary drive clutch.


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


MX6790

2. Using a marking pen, place an alignment mark on clutch cover (A) where it meets the clutch.

3. Remove three screws securing clutch cover. Remove cover.

4. Use compressed air to blow out all surfaces of clutch.


MX4654

5. Wipe out inside surface of clutch cover with a clean, dry cloth.

6. Install clutch cover so marks are aligned. Secure with original hardware.

Checking Secondary Driven Clutch Buttons


MX6791

Check for missing or worn clutch buttons (A):

There should not be any excessive wear, or metal-to-metal contact.

If replacement is necessary, see your John Deere dealer, or consult the technical manual.