Exmark Lazer Z Operator's Manual page 35

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 for loose hardware.
Service Interval: Daily
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.
5.1.9 Service air cleaner.
For Kawasaki Air-cooled units with standard air cleaner:
Service Interval: 25 hrs.
more often under severe conditions.
See Engine manual for additional information.
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Loosen wing nut and remove air cleaner compartment cover.
c) Remove foam pre-cleaner element and wash in warm water with detergent.
Rinse until all traces of detergent are eliminated and squeeze out excess water
(DO NOT wring). Air dry.
d) Check paper element. Gently tap the flat side of the paper element to
dislodge any dirt. DO NOT wash or use pressurized air to clean paper
element. Replace if dirty, bent or damaged.
e) Reinstall foam pre-cleaner to paper element, then reinstall paper element
and cover.
For Kohler Air-cooled and Kawasaki Liquid-cooled units with canister type
air cleaner:
a) Stop engine, wait for all moving parts to stop, and remove key.
b) Kawasaki Liquid-cooled only: 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) Check the condition of the inner element (Kohler units only). Replace
whenever it appears dirty, typically every other time the paper element is
replaced. Clean the base around the inner element before removing, so
dirt does not get into the engine.
f) DO NOT wash or use pressurized air to clean paper element or inner element.
Service Interval: 50 hrs.
More often under severe conditions.
See Engine manual for additional information.
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