Service Manual

13
MAINTENANCE
Recommended Maintenance Schedule
Frequency Item Comments
5 Hours Fasteners Check blade and en
g
ine mountin
g
fasteners
frequently. Keep all nuts, bolts, and screws
ti
g
ht to ensure safe operation.
25 Hours Housin
g
(Mower only.) Remove the buildup of
g
rass
clippin
g
s and dirt.
(Self-propelled mower only.) Clean
g
rass
clippin
g
s and debris under drive belt
mechanism cover and drive belt.
Spark Plu
g
Clean, inspect, and re
g
ap; replace if
necessary.
50 Hours Air Filter (Mower only.) Remove and clean each
mowin
g
season or every 50 hours; more
frequently if operatin
g
conditions are dusty.
Blade
Blade Brake
(Mower only.) Sharpen or replace; maintain
more frequently if ed
g
e is dulled quickly in
rou
g
h or sandy conditions.
Check stoppin
g
time every 50 hours or at start
of each mowin
g
season. Blade must stop
within 3 seconds of releasin
g
bail. If not,
repair or replace.
Lubrication (Self-propelled mowers only.) Grease rear
hei
g
ht adjuster brackets.
Exhaust Ports Clean every 50 hours or at least once each
season.
Fuel System Check for leaka
g
e and/or deterioration of fuel
hose. Replace if necessary.
100 Hours Coolin
g
System Clean
g
rass clippin
g
s, debris, or dirt that clo
g
en
g
ine air coolin
g
fins; clean more frequently
under dirty or hi
g
h chaff conditions.