Diamond E-60 Bedienungshandbuch PDF herunterladen (Seite 24)

PREPARING AREAS, USE OF GUIDE MARKERS

Every area to be plowed should be inspected before snowfall for

potential hazards. Holes should be repaired, raised manhole

covers leveled or noted and obstructions noted to prevent

damage to the plow mounting or vehicle undercarriage.

Markers or stakes with reflectors should be in position to indicate

boundaries of areas to be plowed, location of shut-off valves,

catch basins and other hazards. Markers should be at least three

feet above the ground; higher in areas of deeper snowfall.

The first step in organizing an efficient plan is to prepare a map

or procure a blueprint of the area. Locate and mark all utilities,

outlets, shutoffs, catch basins and possible emergency

equipment that must be reached from outside.

Figure the square footage of each area and the total area.

Especially note areas from which snow will have to be carried,

call "trapped'' areas. Although hauling is expensive, it is

necessary where piled snow would limit access. indicate clearing

priorities on your map.

This may aid you in preparing a priority plan for your clearance

operation.

KEEP SNOW UNDER CONTROL

Deep or heavy, wet snow, because of its increased weight, calls

for more skillful and powerful plowing than light powder snow.

Always plow in low gear and keep plowing. Heavy snow may

also require clearing a path or area for working room to move

snow to another area. Remember that wet snow weighs about 12

pounds per cubic foot. As it piles up in front of a snowplow

blade, the weight can quickly increase to several tons.

Where packed snow or ice must be plowed, it is sometimes

necessary to lower the cutting blade to rest directly on the road

surface. In that situation, plow in lowest gear for greatest power

to the cutting edge. This method also prevents the plow from

"climbing over" the icy surface.

If plowing very deep snow, 12 inches or more, you may have to

plow with the blade partially raised to shear off successive layers

of snow until a working area is clear. Then work small "bites" into

the edge. The "bite" depth should be inversely proportional to

the snow depth. A rule of thumb: 6 inch snow may be plowed

with the entire blade width; 9-inch snow with 3/4 of the blade

width; and 12-inch snow with only 1/2 of the width. Experience

will show what work can be done without stalling or getting

stuck.

Efficient Snow Clearance Starts with Planning

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