National Crane 03-20-2019 Control # 613-06 9-29
NBT30H-2 SERVICE MANUAL CRANE INSTALLATION
SPECIFICATIONS
Hydraulic Pump
Type .............................................................................. Variable displacement, axial piston with load sense
Total Flow ...................................................................... 180 LPM (47.5 GPM) at 2400 RPM
Hydraulic System
Requirements:
Outrigger System .......................................................... 53 lpm (14 gpm)
Boom Up ....................................................................... 94 lpm (25 gpm)
Boom Down................................................................... 49 lpm (13 gpm)
Telescope Extend ......................................................... 140 lpm (37 gpm)
Telescope Retract.......................................................... 30 lpm (8 gpm)
Hoist System ................................................................. 95 lpm (25 gpm)
Swing ............................................................................ 38 lpm (10 gpm)
Reservoir
Capacity ........................................................................ 276 l (73 gal) at full mark
System capacity ............................................................ 442.9 l (117 gal)
Filtration ........................................................................ 3 Micron Return
Hoist System
Wire Rope - Standard:
Length ........................................................................... 119 m (390 ft)
Diameter (Rotation Resistant) ....................................... 14 mm (9/16 in)
Nominal Breaking Strength............................................ 17,463 kg (38,500 lb)
Permissible Line Pulls ................................................... 3493 kg (7700 lb)
Wire Rope - Optional:
Length ........................................................................... 119 m (390 ft)
Diameter........................................................................ 14 mm (9/16 in) 6X25 IWRC
Nominal Breaking Strength............................................ 15,240 kg (33,600 lb)
Permissible Line Pulls ................................................... 3901 kg (8600 lb)
Low Speed Hoist Performance (1 part line)
Layer Hoist Pull
lbs (kg) fpm (mpm)
1 10820 (4908) 99 (31)
2 9756 (4425) 110 (34)
3 8882 (4029) 121 (37)
4 8152 (3698) 131 (40)
5 7533 (3417) 143 (44)
NOTE: All ratings based on 34 gpm at 3500 psi (128.7 lpm at 24.1 MPa)
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