Sharpen the Mower Blades

BATTERY

CAUTION: DO NOT sharpen mower blades while on unit. An unbalanced mower blade will cause excessive vibration and eventual damage to unit. Check mower blade balance before reinstalling blades.

NEVER weld or straighten bent blades.

1.Remove mower blade from unit. Discard mower blade if:

•More than 1/2 in. (1.27 cm) of metal is removed.

•Air lifts become eroded.

•Blade is bent or broken.

2.Sharpen mower blade by removing an equal amount of material from each end of mower blade. DO NOT change angle of cutting edge or round the corner of the mower blade.

3.Check mower blade balance.

Slide mower blade on an unthreaded bolt. A balanced blade should remain in a horizontal position. If either end of mower blade moves downward, sharpen the heavy end until blade is balanced.

4.Install mower blade(s) on unit.

5.Tighten the bolts to a torque of 115 – 160 lbf-ft (156 – 217 N•m).

DO NOT Sharpen to This Pattern

1

2

 

4

 

DISCARD if more than

1

1/2 in. (1.27 cm)

3

OT0792

4

Sharpen to this pattern

 

1.

Cutting Edge

3.

Air Lift

2.

Square

4.

Erosion

 

Corner

Air Lift

Figure 10

WARNING: AVOID INJURY.

Read and understand entire

Safety section before proceeding.

WARNING: Battery posts, terminals and related accessories contain lead and lead compounds, chemicals known to the State of California to cause cancer and reproductive harm. Wash hands after handling.

Unit comes equipped with a maintenance- free battery that requires no regular maintenance except cleaning the terminals.

Remove Battery

1.Shut OFF engine. Engage parking brake. Remove the ignition key.

2.Place seat in the service position (See Maintenance Schedule on page 19).

3.Disconnect cables from battery (negative, then positive) (Figure 11).

4.Remove hold down and remove battery.

Replace Battery

1.Replace battery and secure with battery hold down.

2.Reconnect cables to battery (positive, then negative). Position boot over positive terminal.

3.Return seat to operating position.

Clean Battery

Keep battery and its terminals clean. Inspect every 100 operating hours or monthly for best performance.

GB - 23