PowerSmart B8721P 21" 140cc Gas Push Lawn Mower W/ B&S 550EX Engine

User Manual - Page 12

For B8721P.

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12
4. Insert the recoil starter handle cable into the hook provided on the upper handle. You must engage the start/stop
control to release the recoil starter handle.
GRASS CATCHER
Attach grass catcher
1. Lift mower rear discharge door.
2. Place grass catcher into the slots in the handle brackets.
3. Release the rear discharge door so that it rests on the grass catcher.
ADJUSTING THE CUTTING HEIGHT
Warning! Cutting height adjustments should only be performed after the engine and blades have
come to a complete stop!
It is always best to begin cutting your lawn with a higher deck height to prevent scalping your lawn.
The cutting height is adjusted with front and rear levers.
Actuate the adjustment lever and pull it to the required position. Please make sure that the lever locks into same
position.
OPERATION
GAS AND OIL FILL-UP
The engine comes shipped without oil or gasoline. Be sure to add oil and gasoline before starting the engine. The
oil capacity of the engine crankcase is 15.8 fl. oz. For general use, we recommend 10W-30, 4-stroke engine oil.
1. Add oil before starting mower for the first time.
2. Service the engine with gasoline as instructed.
Warning: Use extreme care when handling gasoline. Gasoline is extremely flammable and its vapors
are explosive. Never fuel the machine indoors or while the engine is hot or running. Extinguish all
cigarettes, cigars, pipes and other potential sources of ignition.
Engine Oil
E
ngine oil is a key factor in deciding the engines performance. Do not apply engine oil with additives or 2-stroke
gasoline engine oil, because they haven’t enough lubrication, and may shorten the engines service life.
Check the engine with it stopped on a level ground.
Engine oil recommended: 10W-30
Start/Sto
p
Control
Recoil starter
handle
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