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5. Wet the inside of rubber portion of new seal head with a light coating of soapy water. Slide head onto shaft sleeve. Slide shaft sleeve with seal head onto motor shaft. Seal head and seal seat will meet. Reinstall any shims which have been removed. (See SHIM ADJUSTMENT section.) 6. Replace impeller key and impeller. Replace impeller seal washer before screwing impeller lock bolt in place. 7. Reassemble pump. 8. A short "run-in" period may be necessary to provide completely leak free seal operation. SHIM ADJUSTMENT When installing a replacement impeller (Ref. No. 13) or motor (Ref. No. 1), it may be necessary to adjust the number of shims (Ref. No. 12) to insure proper running clearance between impeller and casing (Ref. No. 16). Proceed as follows: NOTE: A proper running clearance is less than 0.010". 1. For impeller replacement, add one (1) shim in addition to those removed originally. they meet on outside. If they are not metal 2. For motor replacement, add two (2) shims in addition to shims removed during to-metal, tighten fasteners (Ref. No. 4) and disassembly. recheck shaft for free turning. Tighten 3. Reassemble pump as described in steps 6 and 7. (See INSTALLATION OF NEW carefully, turning shaft while tightening so SEAL section.) that motor bearings are not damaged in the IMPORTANT: Insure that casing is snugly in place and check shaft to make sure it is event that too many shims were installed. If turning freely (use screwdriver slot in the motor to turn shaft). If it turns freely, check to shaft seizes before fasteners are completely insure that adapter (Ref. No. 7) and casing are fitted metal -to- metal where tight, disassembly pump and remove one (1) shim and repeat reassembly. For Repair Parts, contact dealer where pump was purchased. Please provide following information: -Model number -Serial number (if any) -Part description and number as shown in parts list Repair Parts List Figure 1 – Repair Parts Illustration Reference Number Description Part Number Quantity 1 Motor: Model 2874-95 – 3 HP, 3 Phase 1626-043-00 1 Model 2875-95 – 5 HP, 3 Phase 1626-044-00 1 Model 2876-95 – 7.5 HP, 3 Phase 1626-045-00 1 Model 2877-95 – 3 HP, 1 Phase 1626-082-00 1 Model 2878-95 – 5 HP, 1 Phase 1626-078-00 1 2 Impeller Key 1471-030-00 1 3 Slinger Washer 1470-093-00 1 4 3/8"-16 UNC x 1-1/4" Grade 5 Hex Hd Cap Screw * 4 5 3/8" Split Lock Washer * 8 6 3/8" Flat Washer * 12 7 Adapter 1470-001-02 1 8 O-Ring and Flapper Valve Kit, Buna (includes Ref. 14 & 15) 2870-301-91 1 8 O-Ring and Flapper Valve Kit, Viton (Includes Ref. 14 & 15) 2870-301-92 Optional 9 Shaft Sleeve S.S. 1472-000-00 1 10 & 11 ^Seal Assembly Buna (standard) 1640-163-90 1 10 & 11 ^Seal Assembly Viton (optional) 1640-163-91 1 12 Impeller Shim Set (one each 0.010", 0.020", 0.030") 1664-000-90 1 13 Impeller Kit, (Incl. 14 & 15) Model 2874-95 & 2877-95, 3 HP 2874-013-90 1 Model 2875-95 & 2878-95, 5 HP 2875-013-90 1 Model 2876-95, 7.5 HP 2876-013-90 1 14 Impeller Seal Washer See Ref. 8 or 13 1 ...

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