Height from ground to boom
Dumping height at start of dump ..................................... 14 ft
tip ........................................... 55 ft 3 in.
Digging reach (maximum) ............................................... 40 ft
Distance from boom foot pin-
Digging depth (maximum) ............................................... 27 ft
to-center line of leads .............. 15 ft 3 in. (minimum)
Hoe stick length ................................................................ 9 ft
21 ft 3 in.
Boom length ................................................................... 28 ft
(maximum)
(25) Piledriver
clearances.
Piledriver
clearances are illustrated in figure 1-9 and dimensions
(26) General information. Listed below are
are listed below.
weights of materials per two cubic yards, in pounds,
Boom length .................................. 50 ft
commonly handled with the clamshell bucket. These
Distance from ground to
weights are approximate and should only be used as a
hammer .................................. 47 ft 3 in. (maximum)
general guide.
Be sure to add bucket weight to
45 ft (minimum)
determine total load lift.
Centerline of boom point sheave
to bottom of leads ................... 48 ft
Ash, dry .................................................................... 1,890 lbs
Width of leads................................ 3 ft
Cinders ..................................................................... 2,971 lbs
Height from ground to center
Clay, compact........................................................... 5,886 lbs
of boom point sheave .............. 51 ft 9 in. (minimum)
Clay, dry, in lumps .................................................... 3,503 lbs
55 ft (maximum)
Coal, anthracite ........................................................ 3,024 lbs
Figure 1-9. Piledriver clearance diagram
1-13
