Cleaning The Blower Housing; Fuel System Maintenance; Servicing The Emissions Filter - Exmark QSS708GEM42200 Operator's Manual

Maintenance

Cleaning the Blower Housing

Service Interval: Every 100 hours/Yearly
(whichever comes first)
More often under dirty
conditions.
To ensure proper cooling, make sure the grass screen,
cooling fins, and other external surfaces of the engine
are kept clean at all times.
1. Remove the blower housing and any other cooling
shrouds.
2. Clean the cooling fins and external surfaces as
necessary.
3. Make sure the cooling shrouds are reinstalled
Important: Operating the engine with a blocked
grass screen, dirty or plugged cooling fins,
and/or cooling shrouds removed, will cause
engine damage due to overheating.

Fuel System Maintenance

Replacing the Fuel Filter
Service Interval: Every 100 hours/Yearly
(whichever comes first)
DANGER
In certain conditions, gasoline is extremely
flammable and highly explosive. A fire or
explosion from gasoline can burn you and others
and can damage property.
• Perform any fuel related maintenance when
the engine is cold. Do this outdoors in an
open area. Wipe up any gasoline that spills.
• Never smoke when draining gasoline, and
stay away from an open flame or where a
spark may ignite the gasoline fumes.
Never install a dirty filter if it is removed from the
fuel line.
1. Park the machine on a level surface and disengage
the blade control switch.
2. Ensure the parking brake is engaged, stop the
engine, remove the key, and wait for all moving
parts to stop before leaving the operating position.
3. The fuel filter is in the fuel line between the tank
and engine.
4. Squeeze the ends of the hose clamps together and
slide them away from the filter.
1. Fuel filter-Kohler engine
5. Remove the filter from the fuel lines.
6. Install a new filter with the flow direction arrow
coming from the fuel tank and pointing to the
engine. Move the hose clamps close to the filter
to secure it in place.
Servicing the Emissions
Filter
Service Interval: Yearly
The machine is equipped with an emissions filter
connected to a tee fitting on the vent line coming
from the gas tank. The filter has an open port by
design. The filter should be inspected regularly.
Replace the filter if the filter is dirty or clogged.
48
Figure 48
2. Fuel filter-Exmark engine