SECTION 4
OPERATING
Page 38
TD-15H
DRESSTA
OPERATING TECHNIQUES
Fig. 4.42. A Usual Method of Piling
A usual method of piling is shown in fig. 4.42. When the piling reaches stages “D” or “E” the
operator may elect to continue one of the other depending on height or area desired. When the
machine is used as a pusher, aiding scraper loading (Fig. 4.43), the machine power must be
carefully controlled. Excessive “push” effort can cause the scraper unit to “jackknife”, with resulting
injury or damage. On turns, be sure the blade of the pusher tractor does not come in contact with
the rear wheels of the scraper.
Fig. 4.43. Aiding Scraper Loading
Fig. 4.44. Loading Directly
A bulldozer can be used directly as a loader if the method shown in Fig. 4.44 is used.
4.18.3. BREAKING PILES AND SPREADING
Two methods of breaking down a pile are shown in Fig. 4.45. When spreading is to be done
in several directions or if the pile is large or hard, Method 1 is usually desired. When using Method
1, cut into the side of the pile from different angles. When Method 2 is used, and access to the top
of the pile is difficult, a slot may be started as shown below. Loosen the material at the base and
form a dirt “ramp” to provide a decreased angle of approach and cut.
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