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Maintenance
Voltage
Reading
Percent
Charge
Maximum
Charger
Settings
Charging
Interval
11.7–12.0 0–25%
14.4 volts/4
amps
3 Hours
11.7 or less
0%
14.4 volts/2
amps
6 Hours or
More
Check Mower Blades
Service Interval: Before each use or daily
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
ange on bottom (grass) side of blade.
Figure 20
1. Install bushing in blade prior to installing bushing in
spindle.
B. Install bushing/blade assembly into spindle.
Make sure the splines on the bushing are
engaged in the spindle before tightening the
bolt.
Figure 21
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.
C. Apply lubricant to threads of blade bolt to
prevent seizing. Copper-based anti-seize
preferable. Grease acceptable substitute.
Install blade bolt nger 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.
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.
1. Check starting circuit. Starter should crank with,
parking brake engaged, PTO disengaged and
motion control levers moved out in the neutral
31