Craftsman 917.773764 Owner's Manual page 16

Operate a trimmer across the face
of slopes, never up or down slopes.
LO
T===
15 DEGREES
Use this guide and do not trim on a slope greater than 15 degrees.
A 10 degree slope is a hill that increases in height at appro×imately 1.7 feet in 10 feet.
A 15 degree slope is a hill that increas_ in height at approximately 2.5 feet in 10 feet.
Use extreme care at a|| times and avoid sudden turns or maneuvers. Follow other instructions in this
manual for safety in trimming on slopes, Operate a trimmer across the face of slopes, never up or down
slopes. Use extra care when operating on or near slopes and obstructions.