Manitowoc National Crane NBT40 Series Service Manual

CRANE INSTALLATION NBT40 SERVICE MANUAL
9-32 Published 8-01-2017 Control # 287-11
SPECIFICATIONS
Hydraulic
Hydraulic Pump..................................................................... 75.5 gpm (286 1/min) at 2200 rpm, Variable
displacement, axial piston with load sense
Displacement ................................................................ 8.54 in
3
/rev (140 cc/rev)
Pressure Rating (rated)................................................. 4600 psi (320 bar)
Pressure Rating (peak .................................................. 5075 psi (350 bar)
Case Refill Capacity...................................................... .37 gal (1.40 liter)
Minimum Operating Speed............................................ 600 rpm
Outrigger System .................................................................. 3250 (+/-100) psi
Boom Up ............................................................................... 35 gpm at 4550 psi
Boom Down........................................................................... 17 gpm at 1000 psi
Telescope Extend ................................................................. 35 gpm at 2900 psi
Telescope Retract.................................................................. 17 gpm at 2250 psi
Aux/Main Hoist System & Relief............................................ 35 gpm at 4300 psi
Swing .................................................................................... 18 gpm at 3100 (+200/-00) psi
Swing Park Brake.................................................................. Hydraulic released disc, released at 175 psi (12 bar)
Reservoir Capacity................................................................ 100 gal (351.3 L)
Reservoir Return Filter .......................................................... 5 micron
Reservoir Suction Filter......................................................... 25 micron
Air Conditioner
Air Conditioner Hydraulic System.......................................... 3500 (+/-100) psi
Minimum Evacuation Time .................................................... 30 minutes
Refrigerant Charge Levels .................................................... 2.0 pounds
Additional Pag Oil Required Above 6 ounces in Compressor 4.0 ounces
Hoist System
Wire Rope:
Length........................................................................... 450 ft (137 m)
Diameter (Rotation Resistant)....................................... 5/8 in. (16 mm)
Nominal Breaking Strength ........................................... 56,400 lb (25,582 kg)
Operating Pressure............................................................... 4300 (+/-100) psi (296.5 bar)
Flow....................................................................................... 35 gpm (2.21L/s)
Hoist Line Pull/Layer
Layer Low Speed kN (lb) High Speed kN (lb)
1 66.7 (15,000) 33.4 (7,516)
2 60.2 (13,529) 30.1 (6,765)
3 54.7 (12.299) 27.4 (6,150)
4 50.2 (11,275) 25.1 (5,637)
5 46.3 (10,407) 23.1 (5,204)
Reference Only

Manitowoc National Crane NBT40 Series Specifications

General

Brand	Manitowoc
Model	National Crane NBT40 Series
Category	Construction Equipment
Language	English