Micropump GM Series Service Instructions User Manual
Page 4

MICROPUMP, INC.
A Unit of IDEX Corporation
PO Box 8975, Vancouver, WA 98668-8975 • Phone: 360/253-2008 • Fax: 360/253-8294
MICROPUMP
LIMITED
A Subsidiary of Micropump, Inc.
Howard Road, Eaton Socon, St.
Neots, Cambridgeshire, PE 19 8ET England, • Phone: (44) (0) 1480-356600• Fax: (44) (0) 1480-35630
0
REVISION
LTR.
DESCRIPTION
DATE
BY
A
ORIGINATED PER E14164
1/28/04
CMA
PART NUMBER:
L23154
Page 4 of 9
4.4.3 Visually check o-ring (9) and replace if damaged. (Note: if the pump is fitted with
Teflon o-rings, they should be replaced each time the pump seal is broken.)
4.5
Wear Plates (4) (OPTIONAL - Used a majority of the time)
4.5.1 Visually check the wear plates (4), qty 4, surface which contacts the gears for
scoring. Refer to section 6.4.
4.5.2
Visually check the wear plates (4), qty 4. See cleaning instructions, section 5.
4.6 Cavity Plate (8)
4.6.1
Visually check the cavity plate (8) for scoring in the gear cavity bores.
Refer to section 6.3.
4.6.2 Visually check o-ring (9) and replace if damaged. (Note: If the pump is fitted with
Teflon o-rings, they should be replaced each time the pump seal is broken.)
4.7
Pump Body (10) (Section 4.7.1 applies when wear plates not used)
4.7.1 Visually check the pump body (10) surface that contacts the gears for scoring. Refer
to section 6.4.
4.7.2
Visually check o-ring (11) and replace if damaged. (Note: If the pump is fitted
with Teflon o-rings, they should be replaced each time the pump seal is broken.)
5
Cleaning of Pump Assembly
5.1
Cleaning agents and materials
5.1.1 Use either a stoddard solvent or a mild solution of soap and water to clean the parts.
Masking tape will also be required.
5.2
Cleaning Procedures
5.2.1 Clean all metal and plastic parts with the solvent or soap solution. Rinse thoroughly
and allow to dry, or blow dry with clean, dry, compressed air.
CAUTION: DO NOT USE DETERGENT SOLUTION OR
SOLVENT ON ELECTRICAL PARTS OR MOTOR BEARINGS.