309244D 50:1 Ratio Double Acting Falcon Grease Pumps - Graco Inc.

Displacement Pump ServiceReconnecting the Displacement PumpNOTE: Before connecting the displacement pump tothe motor, check that a new copper gasket (39) isinserted in the outlet housing (18).1. Place the displacement pump in a vise, with thejaws on the pump cylinder (101). Position the airmotor (1) so the displacement rod (18) engagesthe threads of the connecting rod (102). Using awrench on the nut (109), screw the connecting rodinto the displacement rod until the pin holes align.See Fig. 8.3. Use a pipe wrench on the lower part of the outlethousing (18) to securely tighten the motor (1) tothe cylinder (101). See Fig. 6.4. Apply thread sealant (113500*) and screw theintake cylinder (110) onto the pump cylinder (101).See Fig. 5.5. Remove the pump from the vise. Reinstall themounting plate (44) and secure with the retainingring (43).6. Mount the pump. Reconnect the air and fluidhoses and return the pump to service.2. Install the pin (112*) in the hole to secure the tworods (17 and 102) together. Make sure the pin isflush or below the surface of the rod (17). Screwthe motor (1) onto the cylinder (101) by hand. SeeFig. 7.109101Check that a new gasket (39) isinserted in the outlet housing (18)before connecting the motor tothe displacement pump.102 1718 1Fig. 88765C