User guide

24 Maintenance and Service
4. Using fingers, slightly rotate the gears, then turn the bottom-half casing upside down on a
shop-rag and carefully shake the two gears and four shims and let them fall on the shop
cloth.
CAUTION! Do not use a screwdriver or metal tweezers to pry out shims and gears. This can
damage the unit and result in inaccurate readings. Do not expose the electrical
connector to solvent.
5. Inspect the shims and gears for wear or damage.
6. Carefully remove and inspect the Teflon O-ring located in the oblong groove of the casing for
damage.
7. Order replacement parts as needed. Refer to Section
7 - Parts Replacement.
Item Description Item Description
1 Shims (4) 4 Flow Meter Bottom-half Casing
2 Ball Bearings (4) 5 Teflon O-ring
3 Gears (2) 6 Gear Shafts (2)
Figure 7-2 Gear and Shim Removal
2
1
4
5
6
3