Maintenance

Voltage

Percent

Maximum

Charging

Reading

Charge

Charger

Interval

 

 

Settings

 

 

12.6 or

100%

16 volts/7

No

greater

 

amps

Charging

 

 

 

Required

12.4 – 12.6

75–100%

16 volts/7

30 Minutes

 

 

amps

 

 

12.2 – 12.4

50–75%

16 volts/7

1

Hour

 

 

amps

 

 

12.0–12.2

25–50%

14.4 volts/4

2

Hours

 

 

amps

 

 

11.7–12.0

0–25%

14.4 volts/4

3

Hours

 

 

amps

 

 

Figure 12

11.7 or less 0%

14.4 volts/2

6 Hours or

 

amps

More

Check Mower Blades

Service Interval: Before each use or daily

1.Use wrench here for blade installation. This nut has been torqued to 140–145 ft-lb (190–197 N-m)

2.Torque to 55-60 ft-lb (75-81 N-m) Apply lubricant to threads as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute.

1.Stop engine, wait for all moving parts to stop, and remove key. Engage parking brake.

2.Lift deck and secure in raised position as stated in the Clean Grass Build-Up Under Deck section.

3.Inspect blades and sharpen or replace as required.

4.Reinstall the blades (if they were removed) in the following order:

A.Install bushing through blade with bushing flange on bottom (grass) side of blade.

C.Apply lubricant to threads of blade bolt as needed to prevent seizing. Copper-based anti-seize preferable. Grease acceptable substitute. Install blade bolt finger tight. Place wrench on the top spindle nut then torque the blade bolts to 55-60 ft-lb (75-81 N-m).

WARNING

Incorrect installation of the blade or components used to retain the blade can be dangerous. Failure to use all original components and assembled as shown could allow a blade or blade component to be thrown out from under the deck resulting in serious personal injury or death.

Always install the original Exmark blades, blade bushings, and blade bolts as shown.

Figure 11

1.Install bushing in blade prior to installing bushing in spindle.

B.Install bushing/blade assembly into spindle.

Check Safety Interlock System

Service Interval: Before each use or daily

Note: To prevent engine cut-outs on rough terrain the seat kill switch has a 1/2 second delay.

27

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Image 27
Exmark LZ27KC604 manual Check Mower Blades, Check Safety Interlock System