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16. Remount casing seal and pump casing on casing cover. IMPORTANT: Always inspect casing seal for cracks or cuts when unit is disassembled. Replace if damaged. SHIM ADJUSTMENT When installing a replacement impeller (Ref. No. 12) or motor (Ref. No. 1), it may be necessary to adjust number of shims (Ref. No. 11) to insure proper running clearance between impeller and casing (Ref. No. 13). Proceed as follows: NOTE: A proper running clearance is less than 0.010". 1. For impeller replacement, add one 0.010" shim in addition to shims removed originally. 2. For motor replacement, add two 0.010" shims in addition to shims removed during disassembly. 3. Reassemble pump using ”Mechanical Seal Replacement” for reference. IMPORTANT: Insure that casing is in place and check shaft to make sure it is turning freely (use screwdriver slot or two flats at rear of motor to turn shaft). If it turns freely, check to insure that casing cover and casing are fitted “metal to metal” where they meet on outside. If they are not “metal to metal” tighten fasteners (Ref. No. 5) and recheck shaft for free turning. Tighten carefully turning shaft while tightening so that motor bearings are not damaged in event that too many shims were installed. If shaft seizes before fasteners are completely tight, disassemble pump and remove one shim and repeat reassembly. 3 Specifications Information and Repair Parts Manual 5660-97 thru 5669-97 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 1 2 3 5 4 6 7 8 9 10 12 13 11 Figure 3 — Repair Parts Illustration 14 Repair Parts List Part Number For Models: Ref. 5660-97 (1/2HP) 5661-97 (3/4HP) 5662-97 (1HP) 5664-97 (2HP) No. Description 5665-97 (1/2HP) 5666-97 (3/4HP) 5667-97 (1HP) 5669-97 (2HP) Qty. 1 Motor -1 Phase ODP 1626-009-00 1626-010-00 1626-011-00 1626-024-00 1 -1 Phase TEFC 1626-068-00 1626-051-00 1626-069-00 1626-070-00 2 Slinger washer 1534-000-00 1534-000-00 1534-000-00 1534-000-00 1 3 Fastener * * * * 4 4 Adapter 1993-000-01 1993-000-01 1993-000-01 1993-000-01 1 5 Fastener * * * * 6 6 Fastener * * * * 4 7 Casing cover 2104-003-02 2104-003-02 2104-003-02 2104-003-02 1 8 Casing seal -Buna N 2104-004-00 2104-004-00 2104-004-00 2104-004-00 1 9 ‡ Seal seat -Buna N 1640-161-90 1640-161-90 1640-161-90 1640-161-90 1 10 ‡ Seal head -Buna N 1640-161-90 1640-161-90 1640-161-90 1640-161-90 1 11 Impeller shim (package of 3) 1657-000-90 1657-000-90 1657-000-90 1657-000-90 1 pkg 12 Impeller 2104-006-01 2104-006-02 2104-002-01 2104-015-02 1 13 Casing 2218-006-01 2218-006-01 2218-006-01 2218-006-01 1 14 Pipe plug * * * * 1 (‡) Seal Assembly (Ref. Nos. 9 & 10) includes Seal Head and Seal Seat and is available as a set only. (*) Standard hardware item, available locally. 4 ...

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