Caster Pivot Bearings Pre-Load Adjustment; Cleaning; Clean Engine And Exhaust System Area; Remove Engine Shrouds And Clean Cooling Fins - Exmark Laser Z Operator's Manual

Figure 40
RH Motion Control Shown
1. Screw
2. Cover plate
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 41.
Figure 41
1. Spring disc washers
3. Motion control lever

Cleaning

Clean Engine and Exhaust
System Area
Service Interval: Before each use or daily
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 shrouds 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 shrouds are reinstalled.
Operating the engine without cooling shrouds
will cause engine damage due to overheating.
47
Maintenance
(May be required more
often in dry or dirty
conditions.)