R21 Maintenance
39
Check Security of Air Filtration
Components
Frequency: Each Use
Inspect the engine air cleaner system to make
sure it is securely in place and without damage.
The levers on the cover should be rotated inward
to maintain a locked position.
NOTE: Operating the engine with a loose or dam-
aged air lter could cause premature wear to and
failure of the engine.
Tabs Locked and
Cover Secure
Air Filtration Installed
Check Discharge Shield
Frequency: Each Use
Never operate the mower without the discharge
shield in place. It prevents objects from being
thrown when the blades are engaged. Inspect
the discharge shield to make sure it is securely
installed and not damaged. Lower it into the down
position once it has been inspected.
Discharge
Shield
No Gap in
Lowest Position
Discharge Shield Lowered
Lubricate Grease Fittings and Oil
Points
Frequency: Every 25 hours or more often in
extremely dusty or dirty conditions
There are ten (10) points that need to be lubricat-
ed. Use SAE general purpose lithium or molyb-
denum base grease for grease points and light
machine oil (SAE 10) for oil points.
ID
#
Location Type
# of
Places
1
Deck Caster
Wheel Fork Pivot
Grease 2
2
Deck Caster
Wheel Bearing
Grease 2
3 Blade Spindle Grease 2
4
Steering Lever
Pivot
Grease 2
5 Throttle Cable Oil 2
6
Engine Dipstick
and Oil Filler
Oil* 1
* Refer to “Change Engine Crankcase Oil and
Filter” on page 44 for details on changing the
engine oil and lter.
NOTE: The Blade Spindle grease points are ac-
cessed by lifting the deck, and the Steering Lever
Pivot grease points are accessed by lifting the
seat panel.
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