TM 5-3820-256-10
c.
Equipment Data.
(1)
Mast.
DIMENSIONS:
Working height above drill frame
32 ft (9.75 m)
CAPACITY:
Maximum static hook load for
2 lines to traveling block
deadlined at crown
30, 000 lb. (13, 608 kg)
Gross capacity
45, 000 lb. (20, 412 kg)
(2)
Mud Pump.
DESIGN
Reciprocating Piston
NUMBER OF PISTONS
Two
DIMENSIONS
Nominal suction pipe size
4 in (102 mm)
Nominal discharge pipe size
2 in (51 mm)
PERFORMANCE
Displacement (nominal)
156 gpm (590 1/min)
Maximum discharge pressure
310 psi (21 bar)
INPUT POWER
Mud pump drive
Driveshaft from sub-drive
Mud pump
Jackshaft from mud pump drive
LUBRICANT CAPACITIES
Pump drive case
12 gal (45 1)
Pump drive end
12 qt (11.3 1)
(3)
Air Compressor.
DESIGN
Rotary Screw
NUMBER OF STAGES
One
PERFORMANCE
Rated capacity
350 cfm (10 cu m/min)
Normal operating pressure
200 psig (14 bar)
Maximum discharge pressure
215 psig (15 bar)
Operating speed
2100 rpm
INPUT POWER
Compressor
Clutch driven from sub-drive
Oil cooler fan
Hydraulic motor via hydraulic pump on sub-drive
1-7
