MTD 520 Series Operator's Manual page 7

Adjustments
Bevel Adjustment
The angle of the edger blade can be adjusted by placing the
bevel adjustment in one of three positions for edging. See Fig.
3–3.
Figure 3-3
Set-Up
Gas & Oil Fill-Up
Service the engine with gas and oil as instructed in the Engine
Operator's Manual package seperately with your edger. Read
Instructions carefully.
WARNING!
Use extreme caution when handling
gasoline. Gasoline is extremely flammable and the
vapors are explosive. Never fuel the machine
indoors or while the engine is hot or running.
Extinguish cigarettes, cigars, pipes and other
sources of ignition.
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