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Service Mower


Mower Deck Identification

Mower decks in the following instructions are identified by a code designation. The codes are as follows:

Code

Description

42TD

42 Inch Top Discharge

48TD

48 Inch Top Discharge

48C

48 Inch

48HC

48 Inch High Capacity

54C

54 Inch

54HC

54 Inch High Capacity

62C

62 Inch


Removing and Installing Mower Deck Foot Plate

c CAUTION: Avoid injury! Always operate the mower with the foot plate installed. Operating with the foot plate removed can cause serious injury.

Removing Foot Plate

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

2. Remove rubber mat from foot plate.


MX37794

3. Remove bolt (A).

4. Rotate foot plate up using finger pull (B).

5. Remove foot plate.

Installing Foot Plate

1. Place tabs (C) of foot plate into slots in frame.

2. Lower foot plate.

3. Install bolt (A) and place rubber mat on foot plate.

Removing Mower Deck (42TD)

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. Raise mower deck to the transport lock position.


MX45633

4. Remove lock pin, push handle to its lowest position (A) and install pin just above lever (B) to lock deck in lowered position.

5. Remove foot plate.

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.

6. Disconnect mower drive belt:


MX37890

Install 3/8-inch ratchet onto square hole (C) in tension arm and rotate counterclockwise to release tension on belt, while removing mower belt from left spindle sheave (D).

Remove belt from engine sheave.


MX39626

7. Remove locking clip (E) and, remove stud end (F) from front draft bracket (G).


MX37773

8. Remove spring clip (H) and pin from each side of rear mower bracket.

9. Raise draft arms to transport lock position:

a. Pull and raise mower lift lever fully upward.

b. Install pin just below lift lever to lock into raised position.

10. Rotate front caster wheels to maximize clearance.

11. Slide mower out from under the machine.

Do not operate the machine without the mower deck: Machine may become unstable without the mower deck attached. Move machine only by hand. (See Moving Machine by Hand in OPERATING section.)

Removing Mower Deck (48C, 48TD and 54C)

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. Raise mower deck to the transport lock position.


MX45633

Picture Note: Z425 shown.

4. Remove lock pin, push handle to its lowest position (A) and install pin just above lever (B) to lock deck in lowered position.

5. Remove foot plate.

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.

6. Disconnect mower drive belt:


MX37889

Picture Note: 48C shown. 48TD and 54C similar.

Install 3/8-inch ratchet onto square hole (C) in tension arm and rotate clockwise to release tension on belt, while removing mower belt from center spindle sheave (D).

Remove belt from engine sheave.


MX39628

7. Remove locking clips (E), and remove front draft rod (F) from draft bracket (G) and mower deck bracket (H).


MX37891

8. Remove spring clip (I) and pin from each side of rear mower bracket.

9. Raise draft arms to transport position:

a. Pull and raise mower lift lever fully upward.

b. Install pin just below lift lever to lock into raised position.

10. Rotate front caster wheels to maximize clearance.

11. Slide mower out from under the machine.

Do not operate the machine without the mower deck: Machine may become unstable without the mower deck attached. Move machine only by hand. (See Moving Machine by Hand in OPERATING section.)

Removing Mower Deck (48HC, 54HC and 62C)

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. Raise mower deck to the transport lock position.


MX45657

4. Remove lock pin, push handle to its lowest position (A) and install pin just above lever (B) to lock deck in lowered position.

5. Remove foot plate.


MX45971

6. Remove two locking clips (C) from front draft link (D) and remove draft link from mower deck bracket (E) and draft bracket (F). Repeat on opposite side.

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.

7. Disconnect mower drive belt:


MX45635

Picture Note: 48HC shown. 54HC similar.


MX45634

Picture Note: 62C shown.

Install 3/8-inch ratchet into square hole (G) in tension arm and rotate clockwise to release tension on belt, while removing mower belt from center spindle sheave (H).

Remove belt from engine sheave.


MX39625

8. Remove spring clip (I) and pin from each side of rear mower bracket.

9. Raise draft arms to transport position:

a. Pull and raise mower lift lever fully upward.

b. Install pin just below lift lever to lock into raised position.

10. Rotate front caster wheels to maximize clearance.

11. Slide mower out from under the machine.

Do not operate the machine without the mower deck: Machine may become unstable without the mower deck attached. Move machine only by hand. (See Moving Machine by Hand in OPERATING section.)

Installing Mower Deck (42TD)

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. Raise mower lift lever fully upward into transport lock position.

4. Slide mower deck under machine.


MX37773

5. Lower mower lift lever, and install pin and spring clip (A) onto each side of rear mower bracket.


MX39626

6. Install stud (B) onto front draft bracket (C). Secure with locking clip (D).

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.


MX37890

7. Connect mower drive belt:

Install belt onto engine sheave.

Install 3/8-inch ratchet onto square hole (E) in tension arm and rotate counterclockwise to release tension on belt, while installing mower belt onto left spindle sheave (F). Make sure belt is properly seated on all sheaves.

8. Install foot plate.

Installing Mower Deck (48C, 48TD and 54C)

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. Raise mower lift lever fully upward into transport lock position.

4. Slide mower deck under machine.


MX37891

5. Lower mower lift lever, and install pin and spring clip (A) onto each side of rear mower bracket.


MX39628

6. Install front draft rod (B) onto mower deck bracket (C) and onto draft bracket (D). Secure each stud end (E) with locking clip (F).

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.


MX37889

Picture Note: 48C shown. 48TD and 54C similar.

7. Connect mower drive belt:

Install belt onto engine sheave.

NOTE: Left and right spindle sheaves are hidden by belt covers. Failure to seat belt properly on sheaves may result in belt damage.

Install 3/8-inch ratchet onto square hole (G) in tension arm and rotate clockwise to release tension on belt, while installing mower belt onto center spindle sheave (H). Make sure belt is properly seated on all sheaves.

8. Install foot plate.

Installing Mower Deck (48HC, 54HC and 62C)

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. Raise mower lift lever fully upward into transport lock position.

4. Slide mower deck under machine.


MX39625

5. Lower mower lift lever, and install pin and spring clip (A) onto each side of rear mower bracket.

NOTE: To ease installation of the side draft rod(s), the weight of the mower can be supported by placing a wooden block under the front lip of the mower.


MX45971

6. Install front draft rod (B) onto mower deck bracket (C) and onto draft bracket (D). Secure draft rod ends with locking clip (E). Repeat on opposite side.

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.


MX45635

Picture Note: 48HC shown. 54HC similar.


MX45634

Picture Note: 62C Shown

7. Connect mower drive belt:

Install belt onto engine sheave.

NOTE: Left and right spindle sheaves are hidden by belt covers. Failure to seat belt properly on sheaves may result in belt damage.

Install 3/8 in. ratchet into square hole (F) in tension arm and rotate clockwise to release tension on belt, while installing mower belt onto center spindle sheave (G). Make sure that belt is properly seated on all sheaves.

Install foot plate.

Replacing Mower Drive Belt (42 Inch Mower)

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:

c CAUTION: Avoid injury! Components are installed under spring tension. Wear eye protection and use proper tools when installing and removing components with spring tension.


MX37892

Remove two bolts (A) and left belt cover (B).


MX37893

Loosen bolt (C) on belt guide.

Loosen hardware on two sheaves (D), and remove belt from all 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.

8. Install and tighten bolt (C) on belt guide.


MX38099

Picture Note: Shown without sheave for clarity only.

9. Make sure belt guide (E) is indexed properly into hole (F) on tension arm (G).

10. Tighten sheave hardware to 47 Nm (35 lb-ft).

11. Make sure belt is properly seated on all sheaves, and install belt shield.

12. Install mower deck.

Replacing Mower Drive Belt (Z245 48 Inch Mower)

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:

c CAUTION: Avoid injury! Components are installed under spring tension. Wear eye protection and use proper tools when installing and removing components with spring tension.


MX39748

Remove seven bolts (A) and left and right belt covers (B).


MX39749

Loosen nut (C) and bolt (D) on sheaves, and remove belt from all 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.


MX39750

Picture Note: Shown without sheave for clarity only.

8. Make sure belt guide (E) is indexed properly into hole (F) on tension arm (G).

9. Tighten sheave nut (C) and bolt (D) to 47 Nm (35 lb-ft).

NOTE: Failure to seat belt properly on sheaves may result in belt damage.

10. Make sure belt is properly seated on all sheaves, and install belt shields.

11. Install mower deck.

Replacing Mower Drive Belt (Z400 Series 48 and 54 in. 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:

c CAUTION: Avoid injury! Components are installed under spring tension. Wear eye protection and use proper tools when installing and removing components with spring tension.


MX39719

Picture Note: Z400 Series 48 inch mower deck shown.

Remove two bolts (A) and left and right belt covers (B).


MX37895

Loosen bolt (C) on belt guide.

Loosen nut (D) and bolt (E) on sheaves, and remove belt from all 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.

8. Install and tighten bolt (C) on belt guide.


MX38100

Picture Note: Shown without sheave for clarity only.

9. Make sure belt guide (F) is indexed properly into hole (G) on tension arm (H).

10. Tighten sheave nut (D) and bolt (E) to 47 Nm (35 lb-ft).

NOTE: Failure to seat belt properly on sheaves may result in belt damage.

11. Make sure belt is properly seated on all sheaves, and install belt shields.

12. Install mower deck.

Replacing Mower Drive Belt (48HC and 54HC)

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

2. Allow engine and muffler to cool completely.

3. Remove mower deck.


MX46568

4. Remove two screws (A) and the left (B) and right (C) belt covers.

c CAUTION: Avoid injury! Component is spring-assisted and under tension. Injury can occur if spring-assisted component is released suddenly.


MX46569

5. Unhook tensioning spring (D) from deck anchor bracket (E).

6. Loosen bolt (F) enough to tilt guide (G) for clearance to remove belt from sheave (H).

7. Loosen fours nuts (I) enough to tilt guides (J) for clearance to remove belt from outer sheaves.

8. Remove guide screw (K).

9. Remove belt from all sheaves

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

11. Clean top surface of mower deck and sheaves.

12. Install belt on mower deck as shown.

13. Hook tensioning spring to deck anchor bracket.

14. Pivot belt guides to correct position and tighten nuts to secure. Bolt (F) on tensioning pulley should be tightened to 47 Nm (35 lb-ft).

NOTE: Failure to seat belt properly on sheaves may result in belt damage.

15. Make sure belt is properly seated on all sheaves, and install belt shields.

16. Install mower deck.

Replacing Mower Drive Belt (62 Inch Mower)


MX45969

1. Loosen eight bolts (A), and remove right and left belt covers (B).


MX46970

2. Unhook tensioning spring (C) from deck anchor bracket.

3. Loosen nut (D), securing idler pulley belt guide (E) enough to tilt guide off pulley bolt. Pivot belt guide for clearance.

4. Loosen nut (F) securing belt guide (G) and tensioner pulley (H).

5. Remove belt from all sheaves

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

7. Clean top surface of mower deck and sheaves.

8. Install belt on mower deck as shown.

9. Hook tensioning spring to deck anchor bracket.

10. Pivot belt guides to correct position and tighten nuts to secure. Nut (F) on tensioning pulley should be tightened to 47 Nm (35 lb-ft).

NOTE: Failure to seat belt properly on sheaves may result in belt damage.

11. Make sure belt is properly seated on all sheaves, and install belt shields.

12. Install mower deck.

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 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):


MX37886

Picture Note: 42 inch deck shown.

Z200 series 42 and 48 inch mower decks: Loosen and remove nut (A), washer (B), and blade (C).


MX36300

Picture Note: Z400 series 48 inch deck shown.

Z400 series 48, 54 and 62 inch decks: Loosen and remove bolt (D), washer (E), and blade (F).


MX41279

Z600 series 48 and 54 inch high capacity deck: Loosen and remove bolt (G), small washer (H), large washer (I), and blade (J).

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

Installing Mower Blades

Z200 Series 42 and 48 Inch Mower Decks:

1. Align the splined center hole in the blade with the splined spindle shaft (K) and put the blade onto the mower spindle shaft with cutting edge toward ground.

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

3. Block mower blade with a piece of wood to prevent spinning and tighten nut to 88 Nm (65 lb-ft).

Z400 Series 48, 54 and 62 Inch Mower Decks:

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

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

3. Install washer (E), with cupped side towards blade, and install bolt (D) 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).

Z600 Series 48 and 54 Inch High Capacity Mower Deck:

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

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

3. Install large washer (I), with cupped side towards blade, small washer (H), and bolt (G) to secure blade onto spindle shaft.

4. Block mower blade with a piece of wood to prevent spinning and tighten bolt to 122 Nm (90 lb-ft).