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P18 0 K E Y WAY PUMP ASSEMBLY Impellar Key #12 Mounting Back Plate Bolts Long #6 Pump Housing Pump Housing #2 Bolts & Washers Mounting Back Plate #10 & #11 Bolt Short #7 Impellar #3 Flusher Adapter #14 & 15 Impeller Mounting Back Pump Seal Impellar #4...
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2. Before mounting the back plate assembly (105 &105E) to engine, the BackPlate Pump Seal (#5) must be pressed flush into center hole of the back of the Pump Back Plate (105) before attaching the Thin Engine Back Plate (105E). Use silicone around edge of the hole to prevent leakage. 3.