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INSTRUCTION MANUAL
940-M3 SPEC. 55
Hydraulic Power Pump
Effective with Serial Number KP1957TB
Read and understand all of the instructions and
safety information in this manual before operating
or servicing this tool.
999 5540.7
© 2003 Greenlee Textron
IM 839 REV 17 1/03

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Summary of Contents for Greenlee 940-M3

  • Page 1 INSTRUCTION MANUAL 940-M3 SPEC. 55 Hydraulic Power Pump Effective with Serial Number KP1957TB Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. 999 5540.7 © 2003 Greenlee Textron IM 839 REV 17 1/03...
  • Page 2: Important Safety Information

    Failure to observe this warning will result in severe injury or death. Additional or replacement manuals may be obtained from your Greenlee distributor. When tool is received, complete the following record: SERIAL NUMBER: ____________________________ DATE OF PURCHASE: ________________________ WHERE PURCHASED: ________________________ Always mention the tool’s serial number when ordering...
  • Page 3: Important Safety Instructions

    Inspect pump, hoses, couplers, and fittings for wear or damage. Replace worn, damaged, or missing components with Greenlee replacement parts. Worn or damaged components can fail, resulting in injury. Failure to observe this warning can result in severe injury or death.
  • Page 4 Red J10 White T2 Blue (4) Power The 940-M3 Special No. 55 pump is powered by a 1 hp, end-mounted, totally enclosed, fan-cooled, ball bearing, dual-voltage electric motor. For information on 230 Volt operation, please contact factory. For your protection, ground unit before using.
  • Page 5: Operating Instructions

    Filling Oil Reservoir The oil reservoir must be kept filled with a good grade of light hydraulic oil—Greenlee 905 0806.8 hydraulic oil or equal—in order for the pump to operate properly. Never use synthetic fluids or fluids with poor lubri- cating qualities (i.e., brake fluids, etc.) as permanent...
  • Page 6: Pump Specifications

    Hydraulic Power Pump Pump Specifications Pump Model ... 940-M3 Special No. 55 Control No..501 8452.0 Optional Control Valve ... 502 2223.4 / 1767-M3 Power Source ... AC, 115/230 volts Power Source HP ... 1 (15 min.) Pumping Capacity @ 100 psi ... 150 cu. in./min.
  • Page 7: Wiring Diagrams

    Hydraulic Power Pump Wiring Diagrams Use the following wiring diagrams when replacing the contactor relay with a solid state relay (Greenlee Part No. 918 6403.8) 115-Volt Motor, Clockwise Rotation (View Motor from Lead End) See page 4 for wire colors.
  • Page 8 Hydraulic Power Pump Wiring Diagrams (cont’d) Motor T1 Pendant Black Wire UPC No. Greenlee 78-3310- Part No. 20721 502 0721.0 24718 502 4718.2 21121 502 1121.8 27320 502 7320.5 53281 905 3281.3 53194 905 3194.9 85117 918 5117.3 Motor Ground (green)
  • Page 9: Troubleshooting

    Hydraulic Power Pump Troubleshooting PROBLEM Pump motor will not start. Will not pump oil. Excessive noise in hydraulic system. Necessary to add oil often. If the above corrective measures fail to make the pump function properly, it is recommended that you send the pump back to the factory or to a qualified service center.
  • Page 10 Hydraulic Power Pump Handles Used on Older Models Franklin Motor GE Motor SERIAL NUMBER LOCATION 10.781 10.718 .656 64, 64C 9.281 9.218 .656 .593...
  • Page 11 Hydraulic Power Pump 79,82,86 1/8 ALLEN WRENCH Remove set screw NOTE: before removing motor.
  • Page 12 Hydraulic Power Pump SECTION BB SECTION AA 14 39 40...
  • Page 13 Hydraulic Power Pump 940 Special No. 55 (501 8452.0) Hydraulic Power Pump — Parts List Part No. 501 8236.6 500 6067.8 501 7766.4 501 8194.7 500 3493.6 501 8871.2 501 1855.2 501 1862.5 501 9060.1 501 9059.8 502 0424.6 501 4861.3 501 4862.1 501 4876.1 501 7130.5...
  • Page 14 Hydraulic Power Pump — Parts List (cont’d) Part No. 905 0320.1 905 0428.3 905 0471.2 905 0734.7 905 0506.9 905 0522.0 905 0530.1 905 0532.8 905 0387.2 905 1269.3 905 1474.2 918 5183.1 501 8238.2 501 8443.1 905 1841.1 918 6403.8 905 1440.8 918 5117.3 918 5264.1...

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