(17) Dimensions and Weights
English
Metric
Net weight with 450-DR drill
9,400 lb.
4267.6kg
(pound)
(kilogram)
Gross weight, export boxed...10,300 lb.
4676.2 kg
Cube, export boxed
443 cu. ft.
12.537 cu m
(cubic feet)
(cubic meters)
Width .................................... ft. (feet)
2.134 m
(meters)
Chassis length .......................9 ft., 3 in.
2.819 m
Length, boom lowered ..........20 ft., 4 in.
6.198 m
Height, boom lowered ........... ft., 0 in.
1.524 m
Height, max horizontal hole...10 ft., 10 in. 3.255 m
Ground clearance .................1 in.
279 mm
(millimeters)
Height to pintle hook .............5 in.
381 mm
Width, track tread .................1 in.
279 mm
Ground contact length ..........4 In.
1.880 mm
Track, center to center ......... 72 in.
1.829 mm
(18) Torque Data. Table 1-1 lists the specific
nut and bolt torque data.
Table 1-1. SPECIFIC TORQUE DATA
Size
Torque, ft-lb
Rotary valve to motor
3/8-16
18-21
Centralizer arm
1-8
140-150
Centralizer bushings
5/8-11
75-85
Chain take up
1-8
140-150
Lube fitting to frame
1/2-13
45-50
Control bracket to frame
5/8-11
75-85
Air motor mounting
3/8-16
18-21
Cradle to feed
7/8-14
105-115
(19) Air System Schematic Diagram.
(a) Refer to figure 1-3 for the rock drill feed ram
air system schematic diagram.
1-5
