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PDF 767 Hydraulic Hand Pump Instruction Manual

767 Hydraulic Hand Pump Instruction Manual. Read and understand all of the instructions and safety information in this manual before operating or servicing this tool. This instruction manual is intended to familiarize operators and maintenance personnel with safe operating and maintenance procedures associated with the 767 Hydraulic Hand Pump. This manual should be kept available to operating and maintenance personnel.The 767 Hydraulic Hand Pump develops 6500 psi (44,818 kPa) at .0823 in3 (1.3 cm3) per stroke and is intended to power Greenlee model 746 and model 15631 single-acting hydraulic rams. These pump/ram combinations are used in the following Greenlee punch driver and cable cutter kits: Safety is essential in the use and maintenance of Greenlee tools and equipment. This instruction manual and any markings on the tool provide information for avoiding hazards and unsafe practices related to the use of this tool. Observe all of the safety information provided. This symbol is used to call your attention to hazards or unsafe practices which could result in an injury or property damage. The signal word, defined below, indicates the severity of the hazard. The message after the signal word provides information for preventing or avoiding the hazard. Clamp the pump into a vise with the machined reservoir end upward. 2. Unscrew machined reservoir (22) from the pump block (23) and gently remove machined reservoir. 3. Inspect rubber bladder (12), bladder plug (14) and position and condition of O-ring (13). Replace if damaged or worn. 4. Pour Greenlee hydraulic oil* into the rubber bladder (12) until oil comes to the top of the plug hole. 5. Turn the release knob (16) to OPEN. Pump the lever (1) two or three times. 6. Turn the release knob (16) to CLOSE. Pump the lever (1) two or three times. 7. Slowly turn the release knob (16) to OPEN. This will allow any trapped air to escape.


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