Sherwood Pump Catalog

27 6 7 15 24 25 2 26 27 9 28 16 12 8 13 21 22 20 23 19 17 18 14 11 3 2 9 4 10 1 5 26000 Series Technical Guide Disassembly: Note: It may not be necessary to perform the entire disassembly procedure for the intermediate and minor kits. A. Remove the bolts (1) and lockwashers (2) from the cover (3). B. Remove the cover, o-ring (4), and impeller (5), using puller number 23631, 251055, or 3/4” x 16 UNF bolt. Note the direction of the impeller blades to ensure proper replacement of the impeller during the assembly procedure. C. When applicable, remove the cam screw (6) and cam screw o-ring (7) from the cam. The cam (8) and wearplate (9) can now be taken out of the housing. D. For the G2603, G2604 and G2605 pump models with integrated cam designs, remove the two wearplate flat head screws (28) holding the wearplate in place. E. Using external snap ring pliers, remove the retaining ring (10) from the shaft. F. Slide the washer (11) and mechanical water seal (12) off of the shaft. G. Remove the bolts (13) holding the body (14) to the housing (15). H. Slide the housing off of the shaft and body assembly. I. Press the seal seat (16) out of the housing. J. Remove the drive gear assembly. While supporting the drive gear (17), remove the nut (18) from the shaft. K. Using internal snap ring pliers, remove the retaining ring (19) from the body. L. Press the bearing and shaft assembly (20) out of the body. M. Remove the lip seal (21) and o-ring (22) from the body. N. Inspect the shaft for grooving of the lip seal area and heavy fretting of the spline portion that drives the impeller. Inspect the bearings for loss of grease, corrosion and rough rotation. If the shaft or bearings exhibit such a wear, replace the entire shaft and bearing assembly (20). 52