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. 
   MXAL42868-UN-09APR13

   42 inch deck shown.

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

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

Installing Mower Blades

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 specification.

   Item	Measurement	Specification
   Nut	Torque	88 N·m (65 lb-ft)