Exmark Lazer HP Operator's Manual page 35

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
raise 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.
NOTE: If machine does not pass any of these tests, do not operate.
Contact your authorized EXMARK SERVICE DEALER.
IMPORTANT: It is essential that operator safety mechanisms be connected
and in proper operating condition prior to use for mowing.
5.1.8 Check rollover protection system (roll bar) pins
a) Make sure latch pin and hair pin are fully installed and lanyard is in good
condition.
5.1.9 Check for loose hardware.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Visually inspect machine for any loose hardware or any other possible
problem. Tighten hardware or correct the problem before operating.
5.1.10 Service air cleaner.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Unhook seat latch, tilt seat up and tilt hood forward to gain access to the air
cleaner.
c) Loosen retaining clips and remove air cleaner compartment cover.
d) Remove paper element. Check the condition of the paper element.
Replace if dirty, bent or damaged.
e) DO NOT wash or use pressurized air to clean paper element or inner element.
f) Reinstall element. Position the cover so that the rubber dust ejector is
pointing downward and secure with retaining clips.
Service Interval: Daily.
Service Interval: Daily
Service Interval: 50 hrs.
More often under severe conditions.
See Engine manual for additional information.
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