Caster Pivot Bearings Pre-Load Adjustment; Cleaning; Clean Engine Cooling System; Remove Accumulated Debris From Engine (Briggs & Kawasaki Units Only) - Exmark LAZER Z Operator's Manual

Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut
until washers are flat and back off 1/4 of a turn
to properly set the pre-load on the bearings. If
disassembled, make sure the spring disc washers are
reinstalled as shown in Figure 24.
Figure 24
1. Spring disc washers

Cleaning

Clean Engine Cooling
System
Service Interval: Before each use or daily
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.
3. Clean all debris from inside of pump drive belt
compartment.
4. Inspect rubber engine baffles for proper fit.
Replace if necessary.
Remove Accumulated Debris
from Engine (Briggs &
Kawasaki Units Only)
Service Interval: Before each use or daily
Engine parts should be kept clean to reduce the risk
of overheating and ignition of accumulated debris.
1. Stop engine, wait for all moving parts to stop, and
remove key. Engage parking brake.
2. Remove front panel from engine and clean around
the intake manifold, fuel pump, and carburetor.
3. Reinstall the front panel.
Important: Do Not use water to clean engine.
Use low pressure compressed air. See Engine
Owner's Manual.
43
Maintenance
(May be required more
often in dry or dirty
conditions.)