Exmark Lazer Z Mower 4500-507 - Manual (Page 45)

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 engine cooling air
intake and exhaust system area can cause
engine, exhaust area, and hydraulic system
to overheat which can create a fire hazard.
Clean all debris from engine and exhaust
system area.
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, around engine shrouding, and exhaust
system area.
3. Wipe up any excessive grease or oil around the
engine and exhaust system area
Remove Engine Shrouds and
Clean Cooling Fins
Service Interval: Every 100 hours
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove cooling shroud clean-out covers (Kohler)
or cooling shrouds (Kawasaki) from engine and
clean cooling fins. Also clean dust, dirt and oil
from external surfaces of engine which can cause
inadequate cooling.
3. Make sure cooling shroud clean-out covers or
cooling shrouds are reinstalled. Operating the
engine without cooling shroud clean-out covers
or cooling shrouds will cause engine damage due
to overheating.
Clean Hydro Fan Cooling
Guards
Service Interval: Before each use or daily
Removing debris from the hydro fan cooling guards
will allow the hydro system to run cooler and improve
the life of the hydro system.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Slide seat all the way back, then lift the seat to
access the LH and RH hydro drive area.
3. Remove accumulated debris from the hydro fan
cooling guards.
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 and cutting deck, especially under deck
belt shields, around the fuel tank, around engine
and exhaust area.
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 deck to the transport (5 1/2 inch (14 cm)
cutting height) position. Lift the front of unit
and support unit using jack stands or equivalent
support.
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