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3.4.1 Rotate drive magnet (3) to align setscrew (2) with access hole in drive housing
(4).
3.4.2 Loosen setscrew (2) with 3/32 inch (2.381 mm) hex key. Pull drive magnet (3)
straight off rotor shaft.
4. Cleaning
4.1 Cleaning Agents and Materials
Note: Equivalent substitutes may be used for listed items.
4.1.1 Stoddard solvent.
4.1.2 Masking tape.
4.2 Cleaning Procedures
4.2.1 General
4.2.1.1 Clean all metal and plastic parts in Stoddard solvent. Blow dry with clean,
4.2.2 Pump Housing
4.2.2.1 Remove any foreign matter or residue from pump housing and blow dry
4.2.3 Magnet Assembly and Drive Magnet
4.2.3.1 Remove any particles from magnets by pressing sticky side of masking
5. Checks
5.1 Pump Assembly Condition
5.1.1 Visually check outside of cup for rub marks on back and side. Back marks
indicate drive magnet is maladjusted axially. Refer to Testing and
Troubleshooting. Side marks indicate that drive magnet is radially misaligned,
possibly due to a bent rotor shaft. Refer to Repair.
PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294
2 Howard Road, Eaton Socon, St.
dry compressed air.
CAUTION: DO NOT USE SOLVENT ON ELECTRICAL PARTS OR
MOTOR BEARINGS.
with clean, dry compressed air.
CAUTION: DO NOT SCRATCH INTERIOR SURFACES OF ANY
HOLES IN BODY ASSEMBLY.
tape against particles and removing tape.
MICROPUMP, INC.
A Unit of IDEX Corporation
MICROPUMP
A Subsidiary of Micropump, Inc.
Neots, Cambridgeshire, PE 19 8ET England, • Phone: 011-44-1480-356600 • Fax: 011-44-
LIMITED
356300
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