Introduction
Product Identification
Safety
Operating
Replacement Parts
Service Intervals
Service Engine
Service Transmission
Service Steering
Service Mower
Replacing Primary Mower Drive Belt
Replacing Mower Deck (Secondary) Belt (42 All Purpose)
Checking for Bent Mower Blades
Servicing Mower Blades (42 All Purpose)
Service Electrical
Service Miscellaneous
Troubleshooting
Storage
Assembly
Specifications
Warranty
John Deere Quality Statement
Service Record
Service Mower
Removing Mower
1. Park machine safely. (See Parking Safely in the SAFETY Section.)
2. Adjust mower cutting height to the lowest position.
3. Lower mower down onto blocks.
c CAUTION: Avoid injury! If lift pedal is spring-assisted it may have unexpected movement.
Lock the lift lever in the mowing position when installing or removing the mower. |
4. Pull back lift pedal (A) and pull up on lift lever (B) to lock mower in the down position.
5. Push down on lift pedal to make sure it is locked. Lift pedal should not move.
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c CAUTION: Avoid injury! Drive belt tension lever is spring-assisted and may have unexpected movement.
Hold belt tension lever securely when installing or removing drive belt. |
NOTE: To ease spring tension, a gripping device may be used, such as an adjustable open-end wrench, to hold the end of tensioning lever (C) when releasing belt tension.
6. Hold belt tensioning lever (C) securely and slowly pull it all the way out toward you as far as it will go to release belt tension.
Picture Note: Line art used for illustration only.
7. Slide belt tensioning bracket forward, lift off mower sheave (D) and remove bracket.
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c CAUTION: Avoid injury! Mower sheave is spring-assisted and may have unexpected movement.
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8. Hold mower sheave (D) securely and slowly move it toward front of tractor to release tension and remove drive belt (E).
NOTE: It may be necessary to manually lift up on rear of mower deck to pull out J-pins.
9. Pull and rotate J-pin (F) and disconnect lift arms, one on each side.
10. Pull out and rotate lever (G) counterclockwise to release front lift rod assembly (H).
11. Remove front lift rod assembly from machine and mower deck.
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c CAUTION: Avoid injury! If lift pedal is spring-assisted it can snap back when deck is removed.
Hold lift pedal securely when releasing from lock (lower) position. |
12. Raise mower lift arms to transport position:
a. Pull back and hold attachment lift pedal (A).
b. Push attachment lift lever (B) down to unlock.
c. Hold lift pedal securely and slowly move it to the down position.
13. Slide mower out from under the machine.
Installing Mower
1. Park machine safely. (See Parking Safely in the SAFETY Section.)
2. Raise mower lift arms to transport position:
Picture Note: When the lift pedal is down, the mower lift arms are in the up position.
a. Pull back and hold attachment lift pedal (A).
b. Push attachment lift lever (B) down to unlock.
c. Move lift pedal (A) slowly forward.
3. Adjust mower cutting height to the lowest position.
Picture Note: Line art used for illustration only.
4. Move mower drive sheave (C) inward to tighten mower belt.
5. Slide mower deck under machine and line up mower deck lift brackets, one on each side, with lift arms.
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c CAUTION: Avoid injury! If lift pedal is spring-assisted it may have unexpected movement.
Lock the lift lever in the mowing position when installing or removing the mower. |
a. Hold attachment lift pedal (A) securely and pull it back as far as it will go and hold.
b. Lift up on attachment lift lever (B) and lock lift arms in mowing (down) position.
7. Release J-pin (D), one on each side, to connect mower deck to lift arms. Make sure J-pin is fully seated in deck bracket.
8. Hook front lift rod assembly (E) into mower brackets (F).
9. Place front lift rod into frame hooks (G) so lever (H) is at left side of machine. Make sure rod is seated in frame hooks.
10. Rotate lever (H) clockwise until tab locks into hole in frame.
11. Put drive belt around mower sheave (C) and engine drive sheave (I) and move mower sheave back to tighten drive belt.
Picture Note: Line art used for illustration only.
12. Put hole end of drive belt tensioning bracket (J) over top bolt of mower sheave. Tensioning bracket should be in the open position as shown.
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c CAUTION: Avoid injury! Drive belt tension lever is spring-assisted and may have unexpected movement.
Hold belt tension lever securely when installing or removing drive belt. |
13. Put open end (K) of bracket on bottom of tractor drive sheave.
NOTE: To ease spring tension, a gripping device may be used, such as an adjustable open-end wrench, to hold the end of tensioning lever (L) when tightening belt.
14. Push tensioning bracket lever (L) in to tighten belt.
17. Adjust mower wheels for desired cutting height.
Replacing Primary Mower Drive Belt
1. Park machine safely. (See Parking Safely in the SAFETY Section).
2. Put mower deck in the lowest position.
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c CAUTION: Avoid injury! Drive belt tension lever is spring-assisted and may have unexpected movement.
Hold belt tension lever securely when installing or removing drive belt. |
NOTE: To ease spring tension, a gripping device may be used, such as an adjustable open-end wrench, to hold the end of tensioning lever (A) when releasing belt tension.
3. Hold belt tensioning lever (A) securely and slowly pull it all the way out toward you as far as it will go to release belt tension.
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c CAUTION: Avoid injury! Mower sheave is spring-assisted and may have unexpected movement.
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Picture Note: Line art used for illustration only.
4. Remove open end of the tensioning bracket (B) from the engine drive sheave and set on top of mower deck.
5. Hold mower sheave securely and move it toward the front of the tractor to loosen belt and remove mower drive belt (C) from engine drive sheave and mower sheave.
6. Inspect belt for wear or damage; replace as necessary.
7. Place belt around mower sheave and engine sheave.
Picture Note: Line art used for illustration only.
8. Push the mower sheave to the rear of the tractor and tighten belt.
9. Put open end of tensioning bracket (B) on to the lower part of drive sheave.
NOTE: To ease spring tension, a gripping device may be used, such as an adjustable open-end wrench, to hold the end of tensioning lever (A) when tightening belt.
10. Push belt tensioning lever (A) in to tighten belt.
Replacing Mower Deck (Secondary) Belt (42 All Purpose)
1. Park machine safely. (See Parking Safely in the SAFETY Section.)
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c CAUTION: Avoid injury! Springs are installed under tension. Use caution when attaching or disconnecting springs. Wear eye protection.
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4. Disconnect idler spring (B).
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. Connect idler spring to idler arm.
Checking for Bent Mower Blades
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c CAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.
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1. Park machine safely. (See Parking Safely in the Safety section.)
2. Raise mower to transport position to access blades.
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.).
Servicing Mower Blades (42 All Purpose)
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c CAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.
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Removing Mower Blades
1. Raise mower deck to gain access to mower blades. If necessary, remove mower deck.
2. Block mower blade with a piece of wood to prevent it from spinning.
3. Loosen and remove bolt (A), washer (B) and blade (C).
4. Inspect blades; sharpen, balance or replace blades as necessary.
Installing Mower Blades
1. Make sure deflector cups (D) are in place between spindle and blade.
2. Position mower blades (C) with the cutting edge towards the ground onto the mower spindle.
3. Install blade washer (B) with cup side toward the blade.
4. Install and tighten bolt (A) by hand until mower blade is in full contact (fully seated) with spindle.
5. Block mower blade with a piece of wood to prevent spinning and tighten bolts to 75 N·m (55 lb-ft).
Sharpening Blades
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c CAUTION: Avoid injury! Mower blades are dangerous!
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· Sharpen blades 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.
· Balance blades before installing.
Balancing Blades
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c CAUTION: Avoid injury! Mower blades are sharp. Always wear gloves when handling mower blades or working near blades.
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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.