Service Mower

Removing Mower

c CAUTION: Avoid injury! Released spring tension in components can cause injury. Lock lift lever before removing mower. Make sure to grip drive belt tension rod tightly and release slowly.

NOTE: Removing mower is easier if machine wheels are turned to one side.

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

2. Raise mower to transport (upper) position using lift lever.

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3. Set cutting height knob (A) to 25 mm (1 in.).

4. Put wood blocks under each side of mower.

5. Lower mower to mowing (lower) position, bring mower down onto blocks.

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6. Release drive belt tension rod (B) from bracket (C).

7. Remove belt (D) from engine drive sheave (E).

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8. Pull out and push down on lever (F) to release front lift rod assembly (G) and remove from front of mower.

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9. Disconnect draft arms, one on each side, by pulling spring loaded J-pins (H) out.

10. Put mower lift lever in transport (upper) position.

11. Slide mower out from under machine.

Installing Mower

c CAUTION: Avoid injury! Released spring tension in components can cause injury. Lock lift lever before removing mower. Make sure to grip drive belt tension rod tightly and release slowly.

NOTE: Installing mower is easier if machine wheels are turned to one side.

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

2. Raise mower lift lever to transport (upper) position.

3. Slide mower under machine and line up mower lift brackets with rear draft arms.

4. Put wood blocks under each side of mower.

5. Put mower lift lever in mowing (lower) position.

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6. Install rear draft arms, one on each side of machine, to mower lift brackets with spring loaded J-pins (A).

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7. Put front lift rod assembly (B) in slotted brackets (C) on mower and install front lift rod assembly to front of machine frame (D).

8. Push up on lever (E) and lock into machine frame.

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9. Put mower drive belt (F) on engine drive sheave.

10. Push drive belt tension rod (G) into bracket (H).

11. Raise mower lift lever to transport (upper) position.

12. Remove wood blocks from both sides of mower.

13. Level mower.

Replacing Mower Drive Belt

c CAUTION: Avoid injury! Before replacing mower drive belt: Stop engine. Remove key. Wait for all moving parts to stop. Wear gloves when replacing belt.

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

2. Remove mower.

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3. Remove six cap screws (three per shield), and belt shields (A).

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4. Put drive belt tension rod (B) in released position as shown and disconnect idler spring (C).

5. Remove mower belt (D).

6. Clean upper mower and sheaves.

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

8. Install belt (D) on mower as shown.

9. Connect idler spring (C).

10. Install two belt shields and fasten with six cap screws (three per shield).

11. Install mower.

Adjusting Mower Drive Belt Tension

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

2. Remove mower.

3. Remove six cap screws (three per shield), and belt shields.

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4. Leave drive belt tension rod (A) in open position.

5. Loosen nut (B) on flat idler.

6. Slide flat idler forward or back to get desired belt tightness and tighten flat idler nut.

7. Install two belt shields and fasten with six cap screws (three per shield).

8. Install mower.

Checking for Bent Mower Blades

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

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

2. Raise mower to transport position to access blades.

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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! Be careful of sharp edges on mower blades. Always wear gloves when handling mower blades.

Removing Mower Blades

1. Raise mower to gain access to mower blades. If necessary, remove mower.

2. Using a wooden block, prevent mower blades from spinning.

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3. Loosen cap screw (A).

4. Remove cap screw (A), round blade washer (B), blade (C) and deflector cup (D).

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

Installing Mower Blades

1. Lightly lubricate cap screw threads with a general purpose grease or oil. This lubrication is to prevent rusting and seizing.

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2. Install deflector cup (D) on spindle.

3. Position mower blade (C) with cutting edge towards ground onto mower spindle.

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4. Install blade washers (B) and make sure two index marks (E) are visible when installed.

5. Install and tighten cap screw (A) by hand until mower blade is in full contact (fully seated) with spindle.

6. With mower blade blocked, to prevent spinning, tighten cap screw (A) to 84 N·m (62 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.

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· 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.

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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.