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1 Form HK 78603-24-2004 Instruction and Maintenance Manual918 Series POWERIG Hydraulic UnitsAll ModelsNOTICEM anual applies to Models :918, serial nos. 0449 and above918-5, serial nos. 0311 and aboveFor any other serial numbers, please contact aHuck customer service Series Tooling Alcoa Fastening Systems3 SAFETYThis instruction manual must be read with particularattention to the following safety guidelines, byany person servicing or operating this GlossaryWARNINGS - Must be understood to avoid severe personal show conditions that will dam-age equipment and or are reminders of required.

2 Italic type and underlining - empha-sizes a specific equipment must be maintained in a safeworking condition at all times and inspected on aregular basis for damage or wear. Any repairshould be done by a qualified repairman trainedon Huck procedures. and Operator must read manual priorto using equipment and understand any Warningand Caution stickers/labels supplied with equip-ment before connecting equipment to any pri-mary power supply. As applicable, each of thesections in this manual have specific safety andother MSDS Specifications before servicing thetool.

3 MSDS Specifications are available fromyou Huck representative or on-line Click on Installation repairing or operating Huck installationequipment, always wear approved eye protec-tion. Where applicable, refer to ANSI primary power source before doingmaintenance on Huck any equipment shows signs of damage, wear,or leakage, do not connect it to the primarypower sure proper power source is used at remove any safety guards or install a fastener in free air. Personalinjury from fastener ejecting may using an offset nose always clear spentpintail out of nose assembly before installing thenext fastener.

4 12. If there is a pinch point between trigger andwork piece use remote trigger. (Remote trig-gers are available for all tooling). not abuse tool by dropping or using it as ahammer. Never use hydraulic or air lines as ahandle. Reasonable care of installation tools byoperators is an important factor in maintainingtool efficiency, eliminating downtime, and in pre-venting an accident which may cause severepersonal place hands between nose assembly andwork with ejector rods should never be cycledwith out nose assembly two piece lock bolts are being usedalways make sure the collar orientation is cor-rect.

5 See fastener data sheet of correct posi-tioning. Product complies with requirementsset forth by the relevant manual prior to protection required whileusing this protection required whileusing this Series Tooling Alcoa Fastening SystemsDescription ..6 Specification ..7 General .. 7 Electrical Control Panel ..7 Input Power Cable ..8 Combination Valve ..8 Hydraulic Fluid ..8 Principles of Operation ..9 General .. 10 model 918 Front View ..11 model 918-5 Front View ..12 model 918 Top View - W/O Cover.

6 13 model 918-5 Top View - W/O Cover ..14 model 918 & 918-5 Electrical Schematic (220V, 440V, & 550 ..15 model 918 & 918-5 Electrical Schematic (380V) ..16 model 918 & 918-5 Hydraulic Diagram ..17 Preparation for Use ..18 Good Service Practices ..18 First Time Start-Up ..18220, 380, 440, or 550V operation ..19 Regular Use ..19 Connecting Installation Tools to Unit ..20 Typical Hose and Control Cord Connections ..21 Checking and Adjusting Pressures ..22 Checking Pressures ..22 & 23 Adjusting Pressures ..24 Operating instructions ..25 Maintenance ..25 Preventative Maintenance.)

7 25 Combination Valve Overhaul ..26 Service Kit, 120073 ..274 CONTENTS918 Series Tooling Alcoa Fastening SystemsCombination Valve and Solenoid Assembly ..28 & 29 Hydraulic Pump ..30 Removing Pump .. 31 & 32 Troubleshooting ..33 Accessories ..34 Parts Lists ..35 Wiring Diagram - model 918 & 918-5 ..36 Front Bracket Assembly- model 918 & 918-5 ..37 Suction Line Assembly ..38 Return Line Assembly- model 918 ..39 Return Line Assembly - model 918-5 ..403rd Tool Bracket Assembly- model 918-5.

8 41 Tool and Product Update .. List General .. List, Service Kit P/N 120073 .. List, Service Kit P/N 110217 & PIN Seal Kit, P/N and Control Cord Kits .. Control Panel Parts ..325 CONTENTS(CONT.)TABLES918 Series Tooling Alcoa Fastening SystemsTABLE (635 mm) inches (737 mm) (1118mm) (1118 mm) (762 mm) (762 mm)Weight:585 lbs. (265 kg)601 lbs. (272 kg)(Operational)708 lbs. (321 kg)724 lbs. (328kg) model 918 system:Two open center circuits with 8,400 psi max. operating 918-5 system:Three open center circuits with 8,400 psi max.

9 Operating :Dynex/Rivet constant displacement hydraulic piston pump direct mounted to motor. Pump has six axial pistons. Flow is split; three pistons per circuit in the 918, and two pistons per circuit in the Control:Four way solenoid operated directional valve, pressure, relief valve, and idler valve on each Capacity:22 gallons (center of sight gauge).Cooler:Fan and radiator air/oil heat Control:24 volt AC control Source:10 HP Reuland electric motor 220, 440, or 550 volts AC, 3 phase; 60 Hertz, or HP Reuland electric motor 380 volts AC, 3 phase; 50 OTHER VOLTAGES AND FREQUENCIES: Contact Huck International, Inc.

10 At Fluid:DEXRON II, or equivalent, fire resistant hydraulic fluid (SUS 230@ 100oF and SUS 40@ 21oF).Output Pressure:PULL range:5,800 psi (400 bar) - 8,400 psi (648 bar).RETURN range:800 psi (55 bar) - 7,000 psi (482 bar).Flow Rate:918: 2 gallons per minute (per circuit).918-5: gallons per minute (per circuit).DESCRIPTION6918 Series Tooling Alcoa Fastening SystemsSPECIFICATIONG eneralThe Models 918 and 918-5 POWERIG Hydra-ulic Units are electrically operated hydraulicpower sources designed to operate Huck Insta-llation Equipment.