Ryobi RLM53190SV Original Instructions Manual page 9

Never start or run the engine inside a closed or poorly
ventilated area; breathing exhaust fumes can kill.
NOTE: The engine is provided with a shut-off valve. Turn
the fuel off at the conclusion of mowing.
Starting the engine
1. Open the fuel valve.
2. Set the variable throttle lever to the fastest speed.
3. Press the primer bulb 3 times.
NOTE: This step is not usually necessary when starting
an engine that has already run for a few minutes.
4. Hold the power lever bar down against the handle.
5. Pull the starter grip until the engine starts. Release the
starter cord slowly so the rope does not snap back.
NOTE: It may be necessary to repeat the priming steps
in cooler weather. In warmer weather, overpriming may
cause flooding and the engine will not start. If you do
flood the engine, wait a few minutes before attempting
to start and do not repeat priming steps.
Stopping the engine
1. Release the power lever and allow the engine to come
to a complete stop.
2. Close the fuel valve.
USING THE VARIABLE THROTTLE
See figure 19.
The variable throttle lever on the handle allows the user
to set variations in the engine speed only, and it should
be set in the fastest speed when starting the mower and
when cutting grass.
The variable throttle lever will not stop the engine. The
power lever on the handle must be released to stop the
engine.
USING THE VARIABLE TRANSMISSION
See figure 20.
The variable transmission lever on the handle allows
the user to set variations in the transmission speed.
Do not change lever position if the product is not
running; otherwise, the lever may be damaged.
For taller grass, reduce the transmission speed and
increase the engine speed.
PROPELLING THE PRODUCT
See figure 6.
To self-propel: Hold down the power lever while slowly
pulling the self-propel bail towards the handle. Release
the self-propel bail to stop the wheel drive.
To manually propel: Hold down the power lever. Do not
engage the self-propel bail.
NOTE: The product will start to run when the self-propel
WARNING
bail is engaged.
SETTING BLADE HEIGHT
See figure 7.
When shipped, the wheels on the mower are set to a low-
cutting position. Before using the mower for the rst time,
adjust the cutting position to the height best suited for your
lawn. The average lawn should be between 38 mm to 50
mm during cool months and between 50 mm and 76 mm
during hot months.
To set the blade height:
Stop the product and wait for the blade to come to a
complete stop.
To raise the blade height, grasp the height adjustment
lever and move it toward the back of the mower.
To lower the blade height, grasp the height adjustment
lever and move it toward the front of the mower.
SETTING HANDLE HEIGHT AND ANGLE
See figure 8.
The height of the handle can be easily adjusted for operator
preference.
To adjust the handle height:
Remove the quick-release knob.
Slide out the quick-release lever and adjust the height
to the other opening.
Reinstall the quick-release fastener. Tighten the quick-
release knob.
Repeat on the other side of the handle.
To adjust the handle angle:
Release the lower quick-release fasteners.
Change the handle angle according to preference.
Ensure the locking pin on the lower handle is inserted
in the hole of the bracket.
NOTE: The product has a 3-point handle angle
adjustment setting.
Reinstall the lower quick-release fasteners.
MOWING TIPS
Make sure the lawn mower mowing area is clear of
stones, sticks, wires, and other objects that could
damage the lawn mower blades or engine. Such
objects could be accidentally thrown by the mower in
any direction and cause serious personal injury to the
operator and others.
For best performance, always cut off one-third or less of
the total height of the grass.
When cutting long grass, reduce walking speed to allow
for more effective cutting and a proper discharge of the
clippings.
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