Exmark Frontrunner FR25KD Operator's Manual page 28

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4.1.4 Clean engine cooling system:
4.1.5 Check safety interlock system.
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 Percent
Reading Charge
12.6 or greater 100%
12.4 – 12.6 75 – 100%
12.2 – 12.4 50 – 75%
12.0 – 12.2 25 – 50%
11.7 – 12.0 0 – 25%
11.7 or less 0%
Service Interval: Daily or more often in dry conditions
a) Wipe debris from radiator screen in front of radiator. Rotate engine cover
forward, pull out radiator screen, and wipe debris from radiator core as
required.
Service Interval: Daily
a) Check starting circuit:
Starter should crank with, parking brake engaged, PTO disengaged and
motion control levers moved out in the neutral lock position. The operator
does not need to be in the seat to start the engine.
Try to start with operator in seat, parking brake disengaged, PTO
disengaged and motion control levers in the neutral lock position - starter
must not crank.
Try to start with operator in seat, parking brake engaged, PTO engaged and
motion control levers in the neutral lock position - starter must not crank.
Try to start with operator in seat, parking brake engaged, PTO disengaged,
and the left motion control lever in, starter must not crank, repeat again
with the right lever in, then with both levers in - starter must not crank.
b) Check the kill circuits:
Run engine at one-third throttle, disengage parking brake and raise off of
seat (but do not get off of machine) engine must stop after approx. 1/2
second has elapsed (seat has time delay kill switch to prevent cut-outs on
rough terrain).
Run engine at one-third throttle, engage PTO and raise off of seat (but do
not get off of machine) engine must stop after 1/2 second has elapsed.
Run engine at one-third throttle, with brake disengaged, move levers in and
rise off seat (but do not get off of machine) engine must stop after 1/2
second has elapsed.
Again, run engine at one-third throttle, brake engaged, and move left motion
control lever in - engine must stop.
Repeat again moving the right lever in, then moving both levers in - engine
must stop whether operator is on seat or not.
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Maximum
Charger Settings
16 volts/7 amps No Charging Required
16 volts/7 amps 30 Minutes
16 volts/7 amps 1 Hour
14.4 volts/4 amps 2 Hours
14.4 volts/4 amps 3 Hours
14.4 volts/2 amps 6 Hours or More
23
Charging Interval