TM 5-3820-256-10
(5) Drawworks.
PERFORMANCE
Hoisting drum line pull
15, 000 lb. (6804 kg)
Auxiliary drum line pull
15, 000 lb. (6804 kg)
INPUT POWER
Bevel gear case
Driveshaft from sub-drive
Third drum assembly
Sprocket and roller chain from gear case
assembly.
Hoist and auxiliary drum assembly
Sprocket and roller chain from third drum
assembly.
CAPACITY
Lubricant in bevel gear box
3 qt (2.8 1)
(6) Water and Foam Injection.
TYPE
Water pump design
Reciprocating Piston
Number of water pump pistons
Three
Foam injection pulse pump
Water pressure actuated internal
diaphragm
DIMENSIONS
Water pump inlet ports
1-in npt
Water pump outlet ports
3/4-in npt
Foam injection pulse pump:
Chemical inlet port
1/4-in npt
Discharge port
1/4-in npt
Water manifold port
1/2-in npt
Motor pulley O. D.
5-1/4 in (133.3 mm)
Water pump pulley O. D.
5-1/4 in (133.3 mm)
Drive belt O. D.
42 in (1066.8 mm)
PERFORMANCE
Water pump:
Discharge volume
12 gpm (45 1/min)
Discharge pressure (max.)
700 psi (48 bar)
Rated speed
750 rpm
Foam injection pulse pump
Normal discharge volume
1 qt/m (1 1/min)
Operating pressure 1000 psi (70 bar)
Water pump hydraulic motor
Normal hydraulic pressure
2500 psi (173 bar)
Operating speed (rated) 750 rpm
INPUT POWER
Water pump hydraulic motor
Hydraulic pump on sub-drive
Water pump
V-belt from hydraulic motor
Foam injection pulse pump
Pressure from water pump
1-9
