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Maintenance
Caster Pivot Bearings
Pre-Load Adjustment
Remove dust cap from caster and tighten nyloc nut
until washers are at 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 37.
Figure 37
1. Spring disc washers
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 re 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 80 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 ns. Also clean dust, dirt, and oil from
external surfaces of engine which can cause
improper cooling.
3. Make sure cooling shrouds are properly
reinstalled. Operating the engine without
cooling shrouds will cause engine damage due to
overheating.
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
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