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Bison Pumps 700 Maintenance Manual

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Model 700 Maintenance Manual
Rev A

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Summary of Contents for Bison Pumps 700

  • Page 1 Model 700 Maintenance Manual Rev A...

  • Page 2: Table Of Contents

    Bison Pump Model 700 Maintenance Instructions 1. Handle Disassembly______________________________________________________________ 5 a. Replace handle link washers. 2. Top Plate/Rod Assembly removal from Cylinder Body and separation. ______________________ 5 3. Top Plate Disassembly_____________________________________________________________5 a. Replace bushing, packing cup seal, backing washer, packing gland nut.
  • Page 3 Recommended Tool List: 1. One (1) 7/16” Box Wrenches 2. Two (2) 9/16” Box Wrenches 3. One (1) 5/32” Allen Wrench 4. One (1) Flathead Screwdriver with small tip (1/4”) 5. One (1) 3/16” Allen Wrench 6. One (1) 12 oz. Hammer 7.
  • Page 4 Contents of Maintenance Kit: 55-100-2-04-01 Part Description Quantity Bison Part Number Top Plate: 1. Securing Top Plate a. Custom Low-Profile Internal Hex Fastener 50-001-0-08-02 2. Internal Top Plate Components a. Packing Gland Nut 50-100-0-07-00 b. Backing Washer, Nylon 5/8” OD 04-000-5-40-02 c.

  • Page 6: Handle Disassembly

    1) Handle Disassembly: a. Use two 9/16” wrenches to turn the Ny-loc nuts counter-clockwise to loosen and remove them from the bolts as shown below. Discard the used Shoulder Bolt Ny-loc nuts as they will be replaced. b. Remove the two bolts from the assembly and set aside for reassembly, along with the Links.

  • Page 7: Rod/Piston Cup Disassembly

    4) Rod/Piston Cup Disassembly: a. Use the O-ring Pick Tool to remove the Piston Cup Seal from the outer surface of the piston. Discard the seal, it will be replaced using new components from the Maintenance Kit. b. Thoroughly clean the Piston and Lift Rod with fresh water, paying close attention to the Cup Seal groove. 5) Lower Check Valve Disassembly: a.

  • Page 8: Bottom Plate Reassembly

    6) Bottom Plate Reassembly: Visually inspect the cavity, the pump cylinder, and the new components to be assembled. Ensure all parts are free of damage, contamination, and Bullet End mechanical malfunction. Depress the check valve to ensure proper functionality and smooth motion. Clean Parts if necessary. b.

  • Page 9: Top Plate/Lift Rod Assembly

    9) Top Plate/Lift Rod Assembly: Visually inspect the Lift Rod Assembly, Top Plate and all new components for damage and cleanliness prior to assembly. Clean parts if necessary. b. Insert the Piston/Lift Rod Assembly into the Top Plate with the Rod protruding through the top surface of the Top Plate.

  • Page 10: Handle Reassembly

    10) Handle Reassembly: Visually inspect all components for damage and cleanliness prior to assembly. Clean parts if necessary. b. With the Lift Rod extended through the Top Plate, thread the Rod Connector – Heim Joint threaded bolt into the top of the Lift Rod until the spacer bolt seats against the Lift Rod. c.

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