Sherwood Pump Catalog

Threaded Impellers ( 17000A*, 18000, 22000, 26000, 27000, 29000, and 30000). Patent No. 6,116,855. * 17000A standard impeller in 17000K is threaded/thru-key design. Removal • Remove the cover. •  Insert the Sherwood puller into the threaded insert. • Screw the puller against the shaft, lifting the impeller out of the housing or until loose. •  Twist and pull the impeller out of the pump. Installation • Apply a non-petroleum based lubricant to impeller (i.e. silicone or soapy water). •  Install the impeller with a twisting motion onto the shaft. • Option: Use puller tool to push impeller into pump by loosening and lowering nut until tightens against impeller insert, then turning for installation. •  Then use a small amount of non-petroleum based lubricant to help hold the o-ring in place while replacing the cover. •  For the 17000K**, align key and keyway by rotating the impeller. **Caution: Replace impeller key and place the rubber cap over the key opening to prevent possible damage to the cover. Thru-Key Design Impellers ( 8000K, 10077K, 09000K, 09959K, 10615K, 15000K, 17000K*) * 17000A standard impeller in 17000K is threaded/thru-key design. Removal • Remove the cover. •  Twist and pull the impeller out of the pump. Installation • Apply a non-petroleum based lubricant to impeller (i.e. silicone or soapy water). •  For non-rock key version pumps, install the key into the shaft prior to installing the impeller. •  Install the impeller with a twisting motion onto the shaft. • After the impeller is all the way on the shaft and into the housing, rotate the impeller to align the keyway of the shaft to the key slot on the shaft. • Slide the impeller key into the keyway and if applicable place the rubber cap over the key opening. •  Then use a small amount of non-petroleum based lubricant to help hold the o-ring in place while replacing the cover. To maintain engine performance, insist upon genuine Sherwood impellers. Keep it cool with the original! 11 Impeller Removal and Installation Threaded Impellers 17000A Threaded/ Thru-Key Design Thru-Key Impellers I M P E L L E R S