Servicing Mower Blades

CAUTION: 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. 
   MXAL47131-UN-16APR13

   Z400 series 48 inch deck shown. Other decks are similar.

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

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

Installing Mower Blades

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 specification.

   Item	Measurement	Specification
   Mower Blade Bolt	Torque	68 N·m (50 lb-ft)