Ariens LM21AL Owner's/Operator's Manual page 15

DO NOT Sharpen to this Pattern
Sharpen to this Pattern
DISCARD if
more than
1/2 in.
(1.27 cm)
1. Air Lift
Erosion Area
Figure 11
.
Mower
Blade
Bolt
Figure 12
CHECK DRIVE BELT
Check drive belt and replace if worn or
damaged. See Drive Belt Replacement on
page 16.
CHECK FASTENERS
Check all fasteners for proper tightness. Pay
special attention to blade hardware and all
guards, shields and safety devices.
CHECK AIR CLEANER
See engine manual for specific information.
2
1
2. Cutting Edge
CHANGE ENGINE OIL
IMPORTANT: Change engine crankcase oil
after first five (5) hours of operation. Then
change oil after every 25 hours of operation.
Refer to engine manual for instructions and
proper oil type.
IMPORTANT: Proper oil level must be
maintained at all times or engine damage will
result. DO NOT overfill. Be sure engine is level
when adding oil.
GENERAL LUBRICATION
Oil wheel pins and joints.
CHECK SPARK PLUG
Spark plug should be replaced every 100
hours of operation or each year.
NOTE: Loose spark plug wire terminals can
cause sparking. Replace terminal if damaged.
CHECK ENGINE COOLING
OA0014
To prevent overheating, air must circulate
freely around the cooling fins, cylinder head
and block.
Every 100 hours of operation or yearly (more
often if conditions require) remove blower
housing and clean cooling fins. See engine
manual for instructions.
CHECK MUFFLER
Check muffler for debris, cracks, wear, or other
OA0013
damage.
GB - 15
WARNING: HOT SURFACES can
cause death or serious injury. DO
NOT TOUCH parts which are hot
from operation. ALWAYS allow parts
to cool.
CAUTION: Replace worn out
mufflers immediately. Continued use
could result in fire or explosion.