918 series Powerig Hydraulic Power Source ® Instruction Manual Table of Contents Hydraulic Diagram Safety Instructions 2 - 3 Hose & Control Cord Hook-up Description Combination Valve Service Kit Principle of Operation Hydraulic Pumps Specifications Front Bracket Assembly Hydraulic Couplings Electrical Enclosure (918-5) Preparation for Use Electrical Control Panel...
Page 2
918 series Powerig® Hydraulic Power Source (HK786) DANGER - IMPORTANT DO NOT EXCEED HOSE MINIMUM BEND RADIUS Failure to heed the warnings below could lead to a damaged hose, damaged tool, damaged property, personal injury, or death. • This high pressure hose is not to be used other than assembled in a genuine HUCK tool or hose assembly or used as a replacement hose of a genuine HUCK tool or hose assembly.
918 series Powerig® Hydraulic Power Source (HK786) Safety Instructions including: crushing, impacts, cuts, abrasions and heat. Wear GLOSSARY OF TERMS AND SYMBOLS: suitable gloves to protect hands. 2. Operators and maintenance personnel shall be physically • Product complies with requirements set able to handle the bulk, weight and power of the tool.
918 series Powerig® Hydraulic Power Source (HK786) Specifications Description The Control/Transformer Compartment GENERAL contains two transformers (one is to convert to The models 918 and 918-5 HUCK Powerig® Hydraulic 110 and the other is to convert to 24 volt current), Units are electrically operated hydraulic power sources motor contact with three overload relays (heaters), designed to operate Huck Installation Equipment.
918 series Powerig® Hydraulic Power Source (HK786) Specifications NOTE: The units are shipped without hydraulic fluid. Hose Kits: Use only genuine HUCK Hose Kits rated at 10,000 psi (689.5 bar) working pressure. Hydraulic fluid: Hydraulic fluid shall meet DEXRON III, DEXRON VI, MERCON, Allison C-4 or equivalent ATF specifications.
918 series Powerig® Hydraulic Power Source (HK786) Preparation for Use 7. Turn fan by hand to prime pump. Add fluid WARNINGS: Only a qualified until pump is filled level with top of service tee. electrician is to install the power Reassemble pipe plug.
918 series Powerig® Hydraulic Power Source (HK786) Assembly of NPTF Threaded Components AIR FITTINGS ALL FITTINGS: 2) Tighten to finger-tight condition. 1) Apply TEFLON® stick to male threads 3) Wrench tighten to 2-3 turns past finger-tight which do not have pre-applied sealant per condition.
918 series Powerig® Hydraulic Power Source (HK786) Checking & Adjusting Pressures continued... WARNING: Turn OFF the hydraulic unit. WARNING: Severe personal injury Accidental cycling of the unit may cause may occur if excessive pressures cause severe injury when disconnecting couplings. violent failure of equipment.
918 series Powerig® Hydraulic Power Source (HK786) Maintenance WARNINGS: A qualified electrician WARNINGS: After overhauling combination is needed to install the power cable valve, PULL and RETURN pressures must (following local electrical codes) and be checked. Serious personal injury may service the electrical control and disconnect panel.
Page 10
918 series Powerig® Hydraulic Power Source (HK786) Component Drawings continued... Top View with Cover Removed Figure 2 Motor 110135 Suction 107754 Oil Cooler 107768 (220V & 440V) Line (see Figure 16) 502939 Grommet 506635 (380V) Assembly (must be replaced together) Tool 1 &...
918 series Powerig® Hydraulic Power Source (HK786) Component Drawings continued... Figure 3 For Motor Hook-up, see the Motor Name Plate. Transformer Hook-ups Note: Text and graphics shown in red appear red printed on the schematic. Red items are only used on 918-5 Models. 918-5 Electrical Schematic &...
918 series Powerig® Hydraulic Power Source (HK786) Hydraulic Pump See Figures 1, 2, 8, 9 & 16 for part identification. 8. Support the Pump's weight while sliding it out of the motor housing. The 918 & 918-5 Powerig® hydraulic pumps are 9. Pump to motor coupling, P/N 110572, comes similar, except the 918 pump cover has two outlets out with the pump.
918 series Powerig® Hydraulic Power Source (HK786) Component Drawings continued... Figure 13 Electrical Control Panel Wiring To Tool 1 Combination Valve To Tool 2 Combination Valve To Indicator Light 440V Hook-up 123910 Wire Harness To Filter Switch 127187 Transformer 123910 Wire Harness Voltage FLA Setting Match the Motor FLA to your Machine’s voltage by...
918 series Powerig® Hydraulic Power Source (HK786) Component Drawings continued... Figure 14 Electrical Control Panel Alternate Wiring 220V Hook-up 380V Hook-up 440V Hook-up Note: Model 918 and 918-5 both use the 440 Hook Up. 550V Hook-up Figure 15 Electric Enclosure with Contactor and FLA dial settings 132556 DIN Rail Adapter Plate Visual representation only.
918 series Powerig® Hydraulic Power Source (HK786) Troubleshooting Always check the simplest possible cause of a malfunction first. Review Preparation For Use and First-time Start-up. Check fuses, circuit breakers, control cord, connections, and hydraulic hose couplers. Where possible, substitute known good parts for suspected bad parts. Use the following troubleshooting information to aid in locating trouble and correcting it.
Page 22
918 series Powerig® Hydraulic Power Source (HK786) Notes...
918 series Powerig® Hydraulic Power Source (HK786) Limited Warranties Limited Lifetime Warranty on BobTail® Tools: Tooling, Part(s) and Other Items not manufactured by Huck: Huck International, Inc. warrants to the original purchaser that its BobTail® installation tools HUCK makes no warranty with respect to the manufactured after 12/1/2016 shall be free tooling, part(s), or other items manufactured from defects in materials and workmanship...
Need help?
Do you have a question about the Powerig 918 Series and is the answer not in the manual?
Questions and answers