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Service


Service Intervals

Every 10 Hours

• If operating in dry conditions, clean debris from mower.

Every 25 Hours

• Lubricate spindles

• Lubricate driveshaft

• Inspect mower blades

• Inspect mower belt

Every 100 Hours

• Check gearbox oil level

• Wash mower

Every 500 Hours

• Change gearbox oil

Grease

IMPORTANT: Avoid damage! Use recommended John Deere greases to avoid component failure and premature wear.

The recommended John Deere greases are effective within an average air temperature range of -29 to 135 degrees C (-20 to 275 degrees F).

If operating outside that temperature range, contact your Servicing dealer for a special-use grease.


The following greases are preferred:

• John Deere Multi-Purpose SD Polyurea Grease

• John Deere Multi-Purpose HD Lithium Complex Grease

If not using any of the preferred greases, be sure to use a general all-purpose grease with an NLGI grade No.2 rating.

Wet or high speed conditions may require use of a special-use grease. Contact your Servicing dealer for information.

Gear Oil

Use oil viscosity based on the expected air temperature range during the period between oil changes.

John Deere GL-5 Gear Lubricant is recommended.

Other oils may be used if they meet one or more of the following:

• API Service Classification GL-5.

• Military Specification MIL-L-2105D.

• Military Specification MIL-L-2105C.

• Military Specification MIL-L-2105B.

Oils meeting Military Specification MIL-L-10324A may be used as arctic oils.

Lubricating Mower


MX47089

Picture Note: 60D mower shown.

1. Lubricate three grease fittings (A) on sheaves with recommended grease.


MX46398

2. Lubricate three grease fittings (B) on mid PTO shaft with recommended lubricant.

Servicing Gearbox

Checking Oil Level

1. Remove plug from one side of gearbox.

2. Oil level should be even with bottom edge of plug hole.

3. If oil is low, add recommended oil.

4. Install plug.

Changing Oil

1. Remove gearbox bracket with gearbox. See Removing Belt in SERVICE.


MX47088

Picture Note: 60D mower shown.

2. Remove plug (A) on side of gearbox.

3. Lift and turn gearbox bracket on side to drain oil from gearbox.

4. Route belt around gearbox sheave as you install gearbox bracket on five bolts. See Installing Belt in SERVICE.

5. Following remaining instructions in Installing Belt in SERVICE to install gearbox and rod.

6. Add recommended oil to bottom edge of plug hole in gearbox.

7. Install plug.

Servicing Mower Belt

Removing Belt

1. Remove mower from machine.

2. Clean area around and under ramps.


MX47291

Picture Note: 54D mower shown.


MX47292

Picture Note: 60D mower shown.

3. Remove the left and right drive-over ramps (B) with shields.

4. Remove spring (B) to relieve belt tension.

5. Remove the rear gearbox support (C).

6. Remove the dust cap, e-ring, and flat washer (D) retaining the tensioner pulley assembly and remove the pulley assembly.

7. Remove belt (E) from mower.

Installing Belt

1. Install belt (E) around sheaves and route as shown.

2. Install tensioner pulley assembly and secure using a flat washer, e-ring and dust cap (D).

3. Install the rear gearbox support (C) with original hardware.

a. Tighten M10 hardware to 73 N•m (54 lb-ft).

b. Tighten M12 hardware to 119 N•m (88 lb-ft).

4. Install tensioner spring (B).

5. Install the left and right drive-over ramps (A) with shields.

Servicing Mower Blades

c CAUTION: Avoid injury! Blades are sharp. Always wear gloves when handling blades or working near blades.

Checking for Bent Mower Blades

c CAUTION: Avoid injury! Blades are sharp. Always wear gloves when handling blades or working near blades.

Replace blades if defective. Never straighten or weld them.

1. Park machine on a level surface, not on a slope.

2. Disengage mower blades.

3. Fully raise the mower.

4. Lock the park brake.

5. Stop the engine.

6. Remove the key.

7. Wait for engine and all moving parts to stop before you leave the operator’s seat.

8. Block the mower.


MX11181

9. Measure the distance (A) from blade tip to level surface with a ruler or a leveling gauge available at your John Deere dealer.

10. Rotate blade 180? and measure the distance between other end of blade and surface.

11. Check all blades. Install new blade if difference between measurements is more than 3 mm (1/8 in.).

Removing Mower Blades

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

2. Remove mower from machine.

3. Use a suitable lifting device to raise mower to gain access to blades.

4. Insert wood block between blade and mower to prevent blade from turning when removing bolt.

5. Remove blade:


MX47288

Picture Note: 54D deck shown.
54D - Remove bolt (A), washer (B) and blade (C).

MX47289

Picture Note: 60D deck shown.
60D - Remove bolt (D), washer (E), washer (F) and blade (G).

Installing Mower Blades

1. Install blade:


MX47288

Picture Note: 54D deck shown.
54D - Install blade (A) with cutting edge toward the ground, washer (B) and bolt (C).

MX47289

Picture Note: 60D deck shown.
60D - Install blade (D) with cutting edge toward the ground, washer (E), washer (F) and bolt (G).

2. Insert wood block between blade and mower to prevent blade from turning when tightening bolt.

• Tighten 54D bolt (C) to 68 N•m (50 lb-ft).

• Tighten 60D bolt (G) to 122 N•m (90 lb-ft).

Sharpening Blades

c CAUTION: Avoid injury! Rotating blades are dangerous. Before adjusting or servicing mower:

• Disconnect spark plug wire(s) or battery negative (-) cable to prevent engine from starting accidently.

• Always wear gloves when handling mower blades or working near blades.


MX8333

1. Sharpen blade with grinder, hand file or electric blade sharpener.

• Keep original bevel (A) when grinding.

• Blade should have 0.40 mm (1/64 in.) cutting edge (B) or less.

2. Balance blade before installing.

Balancing Blades

1. Clean the blade.


M61524

2. Put blade on a nail in a vice or in a vertical wall stud. Turn blade to horizontal position. If blade is not balanced, heavy end of blade will drop.

3. Grind bevel of heavy end. Do not change blade bevel.

Replacing Wheels

1. Park machine on a level surface, not on a slope.

2. Disengage mower blades.

3. Fully raise mower.

4. Lock park brake.

5. Stop engine.

6. Remove key.

7. Wait for engine and all moving parts to stop before leaving operator’s seat.


MX47090

8. Remove wheel hardware (A).

IMPORTANT: Avoid damage! Do not overtighten wheel hardware. Overtightening hardware will cause damage to bushing.


9. Install new wheel (B) with hardware.

Replacing Sheaves


MX47280

Picture Note: 54D mower shown.


MX47281

Picture Note: 60D mower shown.

1. Remove spring (A) to relieve belt tension.

2. If necessary, remove left or right drive-over ramp (B) with shield.

3. To remove sheave(s):

• 54D mower: Remove center bolt (C) on sheave(s) to be replaced.

• 60D mower: Remove six bolts (D) on sheave(s) to be replaced.

4. Replace sheave(s) and secure with original hardware

5. Replace drive-over ramp(s) if removed.

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