Ryobi RLM53190SV Original Instructions Manual page 11

CLEANING THE UNDERSIDE OF THE MOWER DECK
1. Raise the mower to full height.
2. Connect a female water hose connector (not supplied)
to the male hose connector on the mower deck.
3. Turn on the water supply.
4. Start the mower and run at full revolutions, but do not
engage the self-propel bail.
5. Run the engine in place for approximately 30 seconds.
6. Shut off the engine.
7. Turn off the water supply.
8. Inspect the underside of the mower deck for cleanliness,
and repeat the cleaning procedure if desired.
LUBRICATION
All of the bearings in the product are lubricated with a
suf cient amount of high grade lubricant for the life of the
product under normal operating conditions. Therefore, no
further bearing lubrication is required.
Always protect hands by wearing heavy gloves or
wrapping the cutting edges of the blade with rags
and other material, or both, when performing blade
maintenance. Contact with the blade could result in
serious personal injury.
REPLACING THE CUTTING BLADE
See figure 12.
When making adjustments, be careful not to entrap your
ngers between moving blades and
product.
For best results, the mower blade must be kept sharp.
Immediately replace a bent or damaged blade.
Only use replacement blades approved by the
manufacturer of the product. Using a blade not approved
by the manufacturer of the product is hazardous and
could result in serious injury, damage to the product, and
will void your warranty.
Drain the fuel first before tilting the product to replace
the blade.
1. Stop the engine and disconnect the spark plug wire.
Allow the blade to come to a complete stop.
2. Turn the product on its side (air filter facing up).
3. Wedge a block of wood between the blade and the
mower deck to prevent the blade from turning.
Installing: See figure 12a.
WARNING
xed parts of the
WARNING
WARNING
Removing: See figure 12b.
NOTE: Do not wedge the block of wood between the
blade and the plastic cover.
4. Using a 16 mm wrench or socket (not provided), loosen
the blade bolt by turning the bolt in a counterclockwise
direction as viewed from the bottom of the product.
5. Remove the blade bolt, spring washer, and blade.
6. Place the new blade on the shaft. Make sure it is
installed with the curved ends pointing up toward the
mower deck and not down toward the ground.
7. Replace the spring washer, and blade bolt on the shaft.
Finger tighten the bolt by turning in a clockwise direction
as viewed from the bottom of the product.
NOTE: Ensure all parts are replaced in the exact order
in which they were removed.
8. Torque the blade bolt down using a torque wrench (not
provided) to ensure the bolt is properly tightened.
9. The recommended torque for the blade bolt is 40 – 45
Nm.
NOTE: Do not sharpen the blades; replace with new
item. Blades need to be properly balanced to avoid
damage and personal injury.
CLEANING THE AIR FILTER
See figure 13.
For proper performance and long life, keep the air lter
clean.
1. Remove the air filter cover by pushing down the latch
while gently pulling out the cover.
2. Remove the air filter and clean it in warm soapy water.
Rinse and let dry completely.
3. Apply a light coat of engine oil to the air filter, then
squeeze it out using an absorbent cloth or paper towel.
4. Reinstall the air filter into the air filter base.
5. Replace and secure the air filter cover.
NOTE: The filter should be replaced annually for best
performance.
FUEL CAP
A leaking fuel cap is a fire hazard and must be replaced
immediately.
The fuel cap contains a non-serviceable
check valve. A clogged fuel cap will cause poor engine
performance. If performance improves when the fuel cap
is loosened, check valve may be faulty or clogged. Replace
fuel cap if required.
CHANGING THE ENGINE OIL
See figure 14.
Ensure the fuel tank is completely empty before tipping the
unit over; otherwise, fuel will leak out.
English
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