Use and Care Manual

Service Electrical - 40

SERVICE ELECTRICAL

Checking for Bent Mower Blades

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

2. Raise mower deck to highest position to access blades.

MX4897

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.).

6. Repeat for all blades.

Servicing Mower 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. Remove mower blade(s):

MX37886

Picture Note: 42 inch deck shown.

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

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 88 N•m (65 lb-ft).

Service Electrical

WARNING: Battery posts, terminals and related accessories contain lead

and lead components, chemicals known to the State of California to cause

cancer and reproductive harm. Wash hands after handling.

Service the Battery Safely

c CAUTION: Avoid injury! Blades are sharp. Always wear

gloves when handling blades or working near blades.

Replace blades if defective. Never straighten or weld them.

c 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.