MTD Series 660 Operator's Manual page 7

i"91 SIGHT AND HOLD THIS LEVEL WITH A VERTICAL TREE
O
I
A POWER POLE
A CORNER OF A BUILDING
_ ,t ! I I _ OR A FENCE POST
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._ _ -u LINI _.
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15 °
I_WARNING
Do not mow on inclines with a slope in excess of 15 degrees (a rise of approximately 2-1/2 feet every 10 feet). A dding mower
could overturn and cause serious injury. If operating a walk-behind mower on such a slope, it is extremely difficult to maintain
your footing and you could slip, resulting in serious injury.
Operate RIDING mowers up and down slopes, never across the face of slopes.