Model 1350/350: 1350 scfm at 350 psig and 1800 rpm
Air pressure/rated max: 1350 at 500 psig
Mechanical clutch
Schramm patented air-control
Cooling
122°f (50°c) ambient design temperature
Variable speed cooling fan
Control System
Located on the left-hand side, the swing-out control panel stores under the mast for transport
Digital display on driller’s control panel includes tachometer, oil pressure, oil temp., water temp., and voltmeter with separate hour meter
Gauges include compressor discharge temp., air pressure, interstage pressure, rotation pressure, holdback pressure, down feed pressure, water injection and lubricator pressure
Truck
Standard truck: International 7600 8x4
20,000 lb (9,072 kg) front axle
20,000 lb (9,072 kg) pusher axle
46,000 lb (20,866 kg) full locking rear axle
86,000 lb (39,010 kg) gvwr
Top Head Drive
Heavy duty, single reduction gearbox with disc valve, low speed, high torque hydraulic motors
Infinitely variable rotation speed via hrc control
Spindle thru hole: 5.25-inch id (133.3 mm)
Maximum torque: 12,565 ft-lbs (17,083 n-m)
Rotation speed: 0-104 rpm
Outriggers
Dual front – 4-inch (102 mm) bore x 41-inch (1.04 m) stroke
Dual rear – 5-inch (127 mm) bore x 41-inch (1.04 m) stroke
Feed System
Top head driven by hydraulic cylinders through heavy roller chain
30 ft (9.1 m) head travel
94,000 lbf (428 kn) pullback
113 fpm (34.4 m/min) pullback speed
28,000 lb (124.5 kn) pulldown
89 fpm (27.1 m/min) pulldown speed
Slow feed drillup valve
Sliding Angle Mast
Tubular steel, all welded, lattice type structure
Operating angle: 0-45° manually locks in 5° increments
Mast slide travel: 8 ft (2.44 m)
Drill Table
Table opening: 22 in (560 mm)
Hydraulic holding fork
Exploration Jib Boom
For handling drill pipe on angles up to 45° from vertical, an extended dipper stick is mounted to a (swing and extend) hydraulic jib boom
Swings: 140°
Extends: 40 in (1.02 m)
Capacity: 1,000 lbf (4.45 kn) vertical pull
Winch
9,600 lbf (42.7 kn) bare drum line pull (derated when used with exploration jib boom)
216 fpm (66 m/min) bare line speed
Planetary design with spring applied hydraulic release brake
Hydraulic System
Open loop load sensing system
160-gallon (606 l) system capacity
7-micron filtration
Water Injection System
25 gpm (95 ipm) water pump
13.2 maximum gpm (50 ipm) foam pump
800 psi (55 bar)
Tool Lubricator
Positive displacement, air operated piston type pump variable to 5.0 gph (19 iph)
Lighting and Electrical System
24 volt
Mast: (3) 60-watt floodlights
Control panel: (2) floodlights
Work: (3) 70-watt halogen
Specifications
Serial number: 37233852
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