Servicing Mower Blades

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 (42A, 48A, and 54A Mower Decks)

  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. GXT001605
    GXT001605-UN-13MAY15

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



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


Installing Mower Blades (42A, 48A, and 54A Mower Decks)

  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 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.

    ItemMeasurementSpecification
    Mower Blade BoltTorque68 N·m (50 lb·ft)

MX52301,0000F09-19-20160328