Installation Manual - Model 5 - Tundra Process Solutions Ltd.

REV C (10-01-10)INSTALLATION MANUAL – D52. The polished rod must be long enough to allow full travel of the pumping unit withouthaving the coupler to the first sucker rod come in contact with the stuffing box. Thisdistance should also be long enough to extend above the stuffing box for attachment ofthe carrier bar, polish rod clamp, plus the clearance between the top of the stuffing boxand the bottom of the carrier bar (see Figure 37).Polished rodBHP plungerresting on bottomFigure 37. BHP Plunger Spacing3. Distance between the pulley assembly and carrier bar must be longer than the desired strokelength (see Figure 38).PulleyCarrier barPulley-to-Carrier barDistanceFigure 38. Pulley to Carrier Bar DistanceSECTION 5 – INSTALLATION25