< Go Back This page also available in Adobe PDF format Articulating Knuckle Boom Crane HFC-1815 Series General Specifications CRANE CAPACITY RATING 18,000 FT. LBS. 2.50 TM MAXIMUM REACH (FROM CENTERLINE) 15' 4.57 M TIP HEIGHT * 23' 11" 7.28 M HYDRAULIC EXTENSION 36" 91.4 cm ROTATION (STANDARD) 360 DEGREES CRANE WEIGHT 850 POUNDS 385.6 KG STORAGE HEIGHT (CRANE ONLY) 68.5" 174.5 cm STORAGE WIDTH (BOOM ONLY) 74.35" 188.8 cm MOUNTING SPACE REQUIRED 18.50" 46.9 cm MINIMUM PUMP CAPACITY / MINUTE 3 GALLONS 11.4 liters OIL TANK CAPACITY (APPROX) 10 GALLONS 37.9 liters * LIFT HEIGHT WHEN MOUNTED ON 34" (86.4 cm) HIGH TRUCK FRAME Cylinder Data Bore Stroke MAIN BOOM CYLINDERS 2.50" (6.3 cm) 30.125" (76.5 cm) FOLDING BOOM CYLINDER 2.75" (6.9 cm) 34.312" (87.2 cm) EXTENSION CYLINDER 2.00" (5.0 cm) 36.00" (91.4 cm) Load Ratings 6' (1.83 M) 3000 POUNDS 1361 KG 9' (2.74 M) 2000 POUNDS 907 KG 12' (3.66 M) 1500 POUNDS 680 KG 15' (4.57 M) 1200 POUNDS 544 KG WEIGHTS OF LOAD HANDLING DEVICES MUST DEDUCT FROM ABOVE CAPACITIES. Counterbalance Safety Valves The main (inner) boom and knuckle (articulating) boom cylinders are equipped with pilot operated counterbalance valves integral to the cylinder on the load holding sides. The boom extension cylinder is equipped with dual pilot operated check valves. The counterbalance valves positively hold the load during normal operations. The valves additionally provide protection in event of a hydraulic system failure or hose break. The counterbalance valves further control the metering of lowering functions and provide thermal relief protection in event of hydraulic oil expansion due to ambient temperature conditions. The dual pilot operated check valves positively locks the cylinder in position until the operator intentionally controls that function. Rotation System Slewing is accomplished by means of a rotation turntable bearing driven by a self locking external helical worm gearbox powered by a low-speed, high-torque motor. Total reduction is 61:1. Hydraulic System The standard HFC 1815 series crane is powered by a PTO driven hydraulic pump. The hydraulic gear pump provides approximately 3.5 gallons per minute of hydraulic flow. The system includes a 10 gallon capacity hydraulic tank with suction and return line filtration. Optional power sources may be utilized. Available Optional Equipment Manual Valve Operation Provides a manually operated crane control system, operational from the base of the crane. System includes relief valve and all required system components. Remote Control Provides a solenoid operated valve which is controlled remotely by means of a hand held pendant. System also includes an electro-hydraulic proportional valve which allows the operator to remotely control function speeds in addition to basic on-off functions. System includes all components to provide remote control operation. Remote Control Options Remote control operation can be accomplished by means of a hard wired system, using a remote control pendant with 30 feet of cable. This system utilizes quick connectors for ease of connection of remote harness. Radio Remote Control System Remote operation may also be accomplished by use of a wireless radio control system. This system eliminates the cable harness and allows complete freedom of movement while operating the crane. The radio control system will also provide operation of the remote speed control system. Mounting Configuration Options The HFC-1815 knuckle boom crane can be configured for BEHIND CAB, CORNER OR PEDESTAL MOUNT versions. The typical behind cab installation utilizes A-Frame type outriggers with the crane positioned between the truck frame rails. The unit may also be installed in a corner position behind the cab to allow additional space for installation of air compressors or other equipment. Many corner mount installations are at the rear of the chassis frame. In these instances the crane is typically equipped with H-Frame type outriggers to allow outrigger extension on the crane mounting side. Pedestal mount version delete the outriggers entirely, and are used in fixed installations such as in plant or onboard ship. Many variations of the basic configurations have been produced. JOMAC can produce a version to meet your application requirements. As it is nearly impossible to document all versions previously produced, please contact your dealer or JOMAC for assistance in special applications. < Go Back This page also available in Adobe PDF format