Exmark Lazer Z Air-cooled series Operator's Manual page 27

Note: To prevent damage due to freezing, battery should be fully charged
before putting away for winter storage.
a) Check the voltage of the battery with a digital voltmeter. Locate the voltage
reading of the battery in the table below and charge the battery for the
recommended time interval to bring the charge up to a full charge of 12.6
volts or greater.
IMPORTANT: Make sure the negative battery cables are disconnected
and the battery charger used for charging the battery has an output of 16
volts and 7 amps or less to avoid damaging the battery (see chart below for
recommended charger settings).
Voltage
Reading
12.6 or greater
12.4 – 12.6
12.2 – 12.4
12.0 – 12.2
11.7 – 12.0
11.7 or less
IMPORTANT: For Kohler EFI units: Unplug the harness from the ECU
before performing any welding on the equipment.
4.1.3 Clean engine cooling system:
POTENTIAL HAZARD
♦ Excessive debris and damaged or missing rubber
baffles can cause the engine and hydraulic system to
overheat.
WHAT CAN HAPPEN
♦ Excessive debris around the engine cooling air intake
and inside of the pump drive belt compartment can
create a fire hazard.
HOW TO AVOID THE HAZARD
♦ Clean all debris from inside of pump drive belt
compartment daily.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Clean all debris from rotating engine air intake screen and from around
engine shrouding.
c) Clean all debris from inside of pump drive belt compartment.
d) Inspect rubber engine baffles for proper fit. Replace if necessary.
4.1.4 Clean grass build-up under deck:
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Raise deck to the transport (5" (12.7 cm) cutting height) position. Lift the
front of unit and support unit using jack stands or equivalent support.
Percent
Charge
Charger Settings
100% 16 volts/7 amps
75 – 100% 16 volts/7 amps
50 – 75% 16 volts/7 amps
25 – 50% 14.4 volts/4 amps
0 – 25% 14.4 volts/4 amps
0% 14.4 volts/2 amps
Service Interval: Daily or more often in dry conditions
CAUTION
Information located:
•
On right fuel tank decals 103-4474 (All units except
Kohler EFI) and 103-5456 (Kohler EFI units)
•
On decal 1-633462 behind seat on rubber heat
shield flap
Service Interval: Daily
- 22 -
Maximum
Charging Interval
No Charging Required
30 Minutes
1 Hour
2 Hours
3 Hours
6 Hours or More