ASSEMBLY

(for Standard pump Construction, clockwise rotation)9. 1. Install the casing bushing. If the casing bushing has a lubrication groove, install the bushing with the groove at the 6:00 position in bracket. Refer to “Installation of Bushings,” Install the head bushing. If the head bushing has a lubrication groove, install the bushing with the groove at the 6:00 position. Refer to page 9. 2. Ensure the suckback/flush hole is plugged per figure 7 . “Installation of Bushings,” page 9. 3. Ensure the industrial seal access holes are plugged unless they are being used for an external flush line. 10. Ensure the proper suckback/flush hole is plugged per figure 11 . 4. Ensure the gauge ports are plugged unless being used for gauges or external flush lines. 11. Install the second disc outside of rotor. Ensure the hole in disc is on suction side. See figure 8 . 5. Install one carbon disc into casing, being careful to line up the disc hole with the suction side lubrication holes per figure 8 . 12. Install the head O-ring onto the pilot on the head. 6. Coat the shaft with light oil. Install the pushrods and two or three vanes into the rotor as shown in 13. Install the head onto the casing, being careful to not pinch the o-ring. figure 9 . 7. Install the rotor/shaft assembly into casing. Rotate rotor by turning the shaft so that one of the remaining open rotor slots is at the 12:00 position. Install a vane. Rotate to the remaining open slots and install the remaining vanes. 14. Tighten the head capscrews evenly. 15. Install the head coverplate O-ring. Install the head coverplate and tighten the capscrews evenly. 16. Lubricate and install the mechanical seal. See “Seal Installation,” 8. Ensure the grooves on the vanes are open in the direction of rotation and the rounded edge of the vanes are pointed out from the shaft as shown in figure 10 . Turn shaft by hand to ensure the vanes and pushrods can move freely. page 8. 17. Install the seal gland, tighten the capscrews evenly.

DANGER !

Before starting pump, be sure all drive equipment guards are in place.Failure to properly mount guards may result in serious injury or death.

DANGER !

Before opening any Viking pump liquid chamber (pumping chamber, reservoir, relief valve adjusting cap fitting, etc.) Be sure:1. That any pressure in the chamber has been completely vented through the suction or discharge lines or other appropriate openings or connections.2. That the driving means (motor, turbine, engine, etc.) has been “locked out” or made non-operational so that it cannot be started while work is being done on pump. 3. That you know what liquid the pump has been handling and the precautions necessary to safely handle the liquid. Obtain a material safety data sheet (MSDS) for the liquid to be sure these precautions are understood.Failure to follow above listed precautionary measures may result in serious injury or death.

SPECIAL REQUIREMENTS FORREVERSE ROTATION

Viking LVP series vane pumps can be operated in reverse rotation after the following simple modifications: 1. 2. Remove the relief valve and rotate 180 degrees. Reinstall the relief valve so the valve cap is pointing to the suction side of the pump. See page 10 for details on relief valve assembly/disassembly. Remove the rotor/shaft assembly, taking care not to damage the mechanical seal or bushings. See “Mechanical Seal Replacement,” page 8. “Disassembly” instructions on page 5. The mechanical seal will need to come off the shaft in the process. Inspect the seal for damage. Seal replacement may be necessary. See 3. Remove the plugs (item 30B) in the casing and head and install them in the opposite side. 4. Remove both discs and reverse so that the hole is lined up with the suction side of the pump. 5. Re-install the rotor/shaft assembly and pushrods as described in the “Assembly” section. Install the vanes in the opposite direction shown in figure 10 . The vane grooves should now be open in the new direction. Ensure the rounded edge of the vane will contact the casing.
SECTION TSM445ISSUEAPAGE 7OF 11