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5.
MAINTENANCE&ADJUSTMENTS
POTENTIAL HAZARD
· While maintenance or adjustments are being made,
someone could start the engine.
WHAT CAN HAPPEN
· Accidental starting of the engine could seriously
injure you or other bystanders.
HOW TO AVOID THE HAZARD
· Remove the key from the ignition switch and pull
the wire off the spark plug before you do any
maintenance. Also push the wire aside so it does not
accidentally contact the spark plug.
POTENTIAL HAZARD
· The engine can become very hot.
WHAT CAN HAPPEN
· Touching a hot engine can cause severe burns.
HOW TO AVOID THE HAZARD
· Allow the engine to cool completely before
servicing or making repairs around the engine area.
5.1 PERIODIC MAINTENANCE
5.1.1
Check the engine oil level.
Service Interval: Daily
⚫
Make sure unit is on a level surface. Stop engine,
wait for all moving parts to stop, remove key or
pull out spark plug lead.
⚫
Check when engine is cold.
⚫
Clean area around dipstick. Remove dipstick and
wipe oil off. Reinsert the dipstick. Do not screw
into place. Remove the dipstick and read the oil
level.
⚫
If the oil level is low, add oil to bring the oil level
up to the "FULL" mark on the dipstick. Use oil
as specified in the Engine Owner's Manual.
IMPORTANT: DO NOT operate the engine with the
oil level below the "LOW" or "ADD" mark on the
dipstick or over the "FULL" mark.
5.1.2 Clean Engine Air Cooling System.
Service Interval: Daily or more often in dry conditions
⚫
Stop engine, wait for all moving parts to stop,
and remove the key.
⚫
Clean all debris from rotating engine air intake
screen and from around engine shrouding.
POTENTIAL HAZARD
· Excessive debris can cause the engine and
hydraulic system to overheat.
WHAT CAN HAPPEN
· Excessive debris around the engine cooling air
intake and inside of the pump compartment can
create a fire hazard.
HOW TO AVOID THE HAZARD
· Clean all debris from around the engine and
hydraulic pumps daily.
a) Stop engine, wait for all moving parts to stop, and
remove the key.
b) Clean all debris from rotating engine air intake
screen and from around engine shrouding.
5.1.3
Clean grass build-up from under deck.
Service Interval: Daily
⚫
Stop engine, wait for all moving parts to stop,
and remove key.
⚫
Clean out any grass build-up from the underside
of deck and in discharge chute.
5.1.4
Check mower blades.
Service Interval: Daily
⚫
Stop engine, wait for all moving parts to stop,
and remove key or pull out spark plug lead.
⚫
Lift deck.
⚫
Inspect blades and sharpen or replace as required.
⚫
Re-install the blades (if they were removed) by
placing a block of wood between the front or rear
baffles and the blade; then torque the blade bolts
to 66±13ft-lb (90±18N-M). Be sure the spring
disk washer cone is installed toward the bolt head.
（See FIG 6）
10
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