Exmark FrontRunner Air-Cooled - Manual (Page 39)

Maintenance
Figure 22
1. Motion control bracket
2. Least resistance (softest feel)
3. Medium resistance (medium feel)
4. Most resistance (firmest feel)
5. Torque nyloc nut to 200 in-lb (16.7 ft-lb). Bolt must
protrude past end of nyloc nut after torque.
6. Damper
7. Damper must move freely on bolt.
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 23.
Figure 23
1. Spring disc washers
Cleaning
Clean Engine Cooling
System
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.
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
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.
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