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Service Mower


Removing Mower (48 and 54 Mowers)

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

2. Allow engine and muffler to cool completely.

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.

3. Adjust mower cutting height to lowest position.


MX8331

Picture Note: 54 mower shown.

4. Rotate all mower wheels to allow mower deck to be rolled outward away from machine:

a. Pull out on pin (A).

b. Rotate mower wheel (B) 90 and align hole in wheel shaft with pin.

c. Release pin to lock mower wheel in rotated position.

5. Lower mower deck:

X500 and X520

Unlock lift lock handle.

c CAUTION: Avoid injury! Lift pedal is spring-assisted and may have unexpected movement.

Lock lift pedal when installing or removing mower deck.

NOTE: Because a lift assist may be installed on your machine, you will need to lower deck and then pull lift pedal back by hand to lock the lift lever.

Pull lift pedal by hand to lower mower deck. Hold pedal securely and raise lift lock handle to lock draft arms in lowered position.

X534 and X540

Start engine, and press down on hydraulic mower lift handle to lower deck. Shut off engine.

c CAUTION: Avoid injury! Belt tension rod is spring-assisted and under tension. Keep a secure grasp on rod at all times while releasing or applying drive belt tension.


MX36286

Picture Note: 48 mower shown. Lever on left side.

6. Grasp and hold tension rod (C) securely. Disengage rod from retaining bracket (D) by rotating rod counterclockwise. Move rod as far as possible toward rear wheel to remove all belt tension.


MX36287

7. Remove separate drive belt (E) from engine sheave (F), and move tension rod back into retaining bracket.


MX36288

8. Pull and rotate J-pin (G) to release and move rear draft arm (H) away from deck bracket (I). Raise deck slightly via handle to remove pressure on pin when pulling out. Repeat on other side.


MX36204

9. Remove front draft rod (J) from machine bracket (K).

10. When operating the machine without the mower deck:

Remove locking clip (L) from stud (M) on each side, and remove front draft rod from draft bracket (N). Note orientation of stud offset when removing, correct offset is above rod.

11. Raise draft arms to transport position:

X500 and X520

Pull and hold lift pedal by hand.

Push down on lift lock handle to unlock draft arm position.

Push lift pedal downward.

Pull up lift lock handle to lock draft arms in transport position.

X534 and X540

Start engine, and pull up on hydraulic mower lift handle to raise draft arms. Shut off engine.

12. Slide mower out from under the machine.

Installing Mower (48 and 54 Mowers)

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

2. Allow engine and muffler to cool completely.

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.

3. Adjust mower cutting height to lowest position.


MX36289

4. Slide mower deck under tractor and line up deck bracket (A) with draft arm (B).

5. Lower draft arms:

X500 and X520

Unlock lift lock handle.

c CAUTION: Avoid injury! Lift pedal is spring-assisted and may have unexpected movement.

Lock lift pedal when installing or removing mower deck.

Pull lift pedal by hand to lower draft arms. Hold pedal securely and raise lift lock handle to lock draft arms in lowered position.

X534 and X540

Start engine, and press down on hydraulic mower lift handle to lower deck. Shut off engine.


MX36204

6. Install front draft rod (C) into mower bracket (D).

If draft rod assembly has been removed from machine:

a. Install mounting stud (E) into draft bracket (F) at each side. Note orientation of stud offset when installing, correct orientation is for stud to be offset above draft rod.

b. Secure each side with locking clip (G).

c. Install draft rod into mower bracket.


MX36288

7. Pull back J-pin (H) and insert through deck bracket (A) and draft arm (B). Make sure pin installs completely through deck bracket. Repeat for other side.

c CAUTION: Avoid injury! Belt tension rod is spring-assisted and under tension. Keep a secure grasp on rod at all times while releasing or applying drive belt tension.

IMPORTANT: Avoid damage! The belt will be damaged if installed wrong. Route the belt properly through belt guides. See belt routing label on mower deck.



MX36287


MX36286

Picture Note: 48 mower shown. Lever on left side.

8. Grasp and hold tension rod (I) securely. Disengage rod from retaining bracket (J) by rotating rod counterclockwise. Move rod as far as possible toward rear wheel. Install separate drive belt (K) onto mower deck and engine sheave (L), and move tension rod back into retaining bracket.

9. Level mower.


MX8332

Picture Note: 54 mower shown.

10. Raise the deck to cutting height and rotate all mower wheels to operation position:

Pull pin (K) outward and move wheel to proper hole position. Release pin to lock wheel in position.

Adjusting Mower Belt Tension (48 and 54 Mowers)

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

2. Adjust mower cutting height to lowest cutting height and lower mower to mowing position.

3. Move mower engagement switch to "O" (stop) position.

IMPORTANT: Avoid damage! If the mower engagement rod is not adjusted properly, the mower belt may slip or drag on blade sheave resulting in belt damage.


NOTE: Make sure:

Mower cutting height is at lowest possible cutting height.

Mower is at mowing position.

Mower engagement switch is in the "O" position.

Gauge wheels are not touching the ground.


MX36275

Picture Note: 54 mower shown.

4. Adjust mower engagement rod (A) by turning nut (B) on end of rod counterclockwise for more tension on drive belt (C), or clockwise for less tension.

Adjusting Lift Assist Spring (X500, X520)

NOTE: Weight of mower or attachment affects ease of lifting. Adjust lift assist spring for your particular mower deck model.


MX36671

Picture Note: X500 model shown.

1. Make sure yellow indicator (A) at front of lift assist spring is aligned with proper mark for mower deck model installed. If not, adjust lift assist spring so indicator is aligned with correct mower deck mark.

2. Turn adjusting bolt (B) at front of machine frame (X500), or behind front axle (X520), to adjust lift assist spring:

Clockwise - Increases spring tension and moves indicator toward front of machine for heavier mowers.

Counterclockwise - Decreases spring tension and moves indicator toward rear of machine for lighter mowers.

Replacing Mower Drive Belt (Primary) (48 and 54 Mowers)

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

2. Allow engine and muffler to cool completely.

3. Lock mower deck in lowered position.

c CAUTION: Avoid injury! Belt tension rod is spring-assisted and under tension. Keep a secure grasp on rod at all times while releasing or applying drive belt tension.

4. Remove drive belt tension:


MX36286

Picture Note: 48 mower shown. Lever on left side.

Grasp and hold tension rod (A) securely.

Disengage rod from retaining bracket (B) by rotating rod counterclockwise.

Move rod as far as possible toward rear wheel to remove all belt tension.


MX36287

5. Remove primary mower drive belt (C) from engine sheave (D), and move tension rod back into retaining bracket.

6. Clean belt with a clean cloth.

7. Inspect belt for wear or damage; replace as necessary.

8. Install belt on mower sheave and engine sheave.

9. Pivot drive belt tension rod toward front of machine to tighten drive belt. Hook tension rod into bracket on mower.

Replacing Mower Drive Belt (Secondary) (48 and 54 Mowers)

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

2. Allow engine and muffler to cool completely.

3. Remove mower deck.

4. Remove drive belt:


MX36275

Picture Note: 54 mower shown.

Remove one cap screw on each belt shield (A), and slide belt shields outward to remove tabs on belt shields from slotted holes (B) in mower deck.

Remove bolt and belt guide (C).

c CAUTION: Avoid injury! Wear protective eyewear when removing belt from drive sheave. Tension spring may come loose.

To remove belt, rotate tension arm (D) slightly counter clockwise, and remove belt from sheaves.

5. Inspect belt for wear or damage; replace as necessary.

6. Clean top surface of mower deck and sheaves.

7. Install belt on mower deck as shown. Make sure belt is in the groove of each sheave and inside belt guide (C), and if necessary, rotate tension arm (D) slightly to place belt onto the last sheave.

8. Install and tighten belt guide.

9. Install belt shields onto slotted holes on mower deck and slide each shield towards center of deck. Secure each shield with one cap screw.

10. Install mower deck.

Checking for Bent Mower Blades

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

Replace blades if defective. Never straighten or weld them.

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

2. Raise mower deck to highest position to access blades.


MX4897

Picture Note: Mower deck with side discharge used for illustration

3. Measure distance (A) between blade tip and flat ground surface.

4. Rotate blade 180 and measure distance between other blade tip and flat ground surface.

5. Install new blade if the difference between the two measurements is more than 3 mm (1/8 in.).

6. Repeat for all blades.

Servicing Mower 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.

Removing Mower Blades

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

2. Raise mower deck to gain access to mower blades. If necessary, remove mower deck.

3. Block mower blade with a piece of wood to prevent it from spinning.

4. Remove mower blade(s):


MX36300

Loosen and remove bolt (A), washer (B), and blade (C).

5. Inspect blades; sharpen, balance or replace blades as necessary.

Installing Mower Blades


MX36300

1. Make sure deflector cup (D) is seated properly between mower spindle and blade.

2. Position mower blade (C) with cutting edge toward ground onto mower spindle.

3. Install washer (B), with cupped side towards blade, and install bolt (A) to secure blade onto spindle shaft.

4. Block mower blade with a piece of wood to prevent spinning and tighten bolt to 68 Nm (50 lb-ft).

Sharpening Blades

c CAUTION: Avoid injury! Mower blades are dangerous!

Always wear gloves while working on blades.

Always wear safety eye protection when grinding.

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


MIF

Keep original bevel (A) when grinding.

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

Balance blades before installing.

Balancing Blades

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

1. Clean blade.


M61524

2. Put blade on nail in a vise. Turn blade to horizontal position.

3. Check balance. If blade is not balanced, heavy end of blade will drop.

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