Cleaning; Clean Engine And Exhaust System Area; Remove Engine Shrouds And Clean Cooling Fins; Clean Debris From Machine - Exmark NAVIGATOR Operator's Manual

Maintenance

Cleaning

Clean Engine and Exhaust
System Area
Service Interval: Before each use or daily
(May be required more
often in dry or dirty
conditions.)
CAUTION
Excessive debris around the engine cooling
air intake and inside of the pump drive belt
compartment and damaged or missing rubber
baffles can cause the engine and hydraulic
system to overheat which can create a fire hazard.
Clean all debris from inside of pump drive belt
compartment daily.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Clean all debris from rotating engine air intake
screen and from around engine shrouding and
exhaust system area.
3. Clean all debris from around engine, drive belts,
and exhaust system area.
Remove Engine Shrouds and
Clean Cooling Fins
Service Interval: Every 80 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove cooling shroud clean-out covers from
engine and clean cooling fins. Also clean dust,
dirt, and oil from external surfaces of engine,
which can cause improper cooling.
3. Make sure cooling shroud clean-out covers are
reinstalled. Operating the engine without cooling
shroud clean-out covers will cause engine damage
due to overheating.
4. For Kohler EFI units: Swing out the fuel tank
and remove debris from around the oil cooler
positioned at right front corner of engine.
Important: Do Not use water to clean engine.
Use low pressure compressed air. See Engine
Owner's Manual.

Clean Debris From Machine

Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Clean off any oil, debris, or grass build-up on the
machine, especially around the fuel tank, around
engine and exhaust area.
Clean Debris From Cutting
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Clean off any oil, debris, or grass build-up on the
cutting deck, especially under deck belt shields.
Clean Grass Build-Up Under
Deck
Service Interval: Before each use or daily
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Raise mower deck and secure in latched position
(see Raising the Mower Deck to the Service
Position section in Operation).
3. Clean out any grass build-up from underside of
deck and in discharge chute.
4. Lower deck to cutting position and lock deck
locking pins (see Lowering the Mower Deck to
the Operation Position section in Operation.

Waste Disposal

Motor Oil Disposal
Engine oil and hydraulic oil are both pollutants to
the environment. Dispose of used oil at a certified
recycling center or according to your state and local
regulations.
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