Instruction Manual for Gear Pump（齿轮泵的指导手册）.pdf

No. M-201104 Instruction Manual for Gear Pump NOTE: Please read this manual carefully before using the pump in order to obtain maximum performance. Please keep this manual handy for reference. Daito Kogyo Co., Ltd. Contents Safety precautions 1 Handling of MC-Type Seal-Less Gear Pump 2 Preface 3 1. Outline of the gear pump 3 2. Installation 4 3. Piping 5 4. Operation 6 5. Abnormal phenomena during operation 7 6. Maintenance 8 7. Safety valve 11 8. Procedure for long-term storage 12 Safety Precautions Note the following when handling the pump: 1) Do not remove the safety cover of the rotating object while the pump is in operation. 2) In principle, replenish the lubricating oil only while the pump is stopped. If you must replenish the oil while the pump is in operation for reasons such as you cannot stop the pump, take great care to ensure safety although there is no structural risk. 3) Tighten the gland packing while the pump is Tighten equally stopped. The gland packing on both sides should be tightened equally and a little at a time. Observe the operation condition, and tighten further if necessary. Over-tightening shortens the life due to the development of heat in the packing or