Baseline-systems BHM Series Hydrometer Manual de usuario descargar pdf (Pagina 32)

32 • Hydrometers Operation and Maintenance Manual

Maintenance 6” Models

HYDROMETER DIS-ASSEMBLY AND REINSTALLATION

The dis-assembly of the 6” hydrometer is divided into the following

subassemblies:

• Register

• Hydrometer Cover

• Diaphragm and Stem Assemblies

• Stem and Valve Seal Assemblies

• Impeller and Flow Tube Assemblies

• Inlet Spider Assembly

Perform only those procedures necessary to inspect and replace parts as

directed by the troubleshooting procedures. It is recommended to replace the

various o-rings and gaskets during dis-assembly as well as to inspect certain

other parts. All gaskets and o-rings must be covered with grease prior to

installation.

Dis-assembly

• Remove the register assembly as detailed on page 24.

• Using a large box wrench, unscrew and remove the upper bearing bolt (8).

Use spacing tool, Model number 00360-000072.

• Inspect the upper bearing o-ring (9). Replace as necessary.

• Using a screwdriver or a special key, loosen the guide tube nut (10). It is

not necessary to remove the nut.

Re-assembly

• Tighten the guide tube nut (10). Use spacing tool, Model number

00360-000072.

• Screw the upper bearing bolt (8) back into the cover.

• Replace the register assembly.

HYDROMETER COVER

Disassembly

• Loosen and remove the six cover hex bolts (46) along with their nuts (32)

and washers (33).

• Remove the spring (16).

• Lift out the guide tube (23).

• Inspect and replace as necessary.

• Pull the diaphragm/stem assembly out of the hydrometer body. Be careful

not to damage the impeller during removal.

Re-assembly

• Carefully replace the diaphragm/stem assembly over the impeller shaft and

into the hydrometer body. Be careful not to damage the impeller.

• Place the guide tube (23) over the impeller shaft.

• Place the spring (16) over the guide tube (23).

• Replace the hex cover bolts (46) together with their washers and nuts.

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Baseline-systems BHM Series Hydrometer Manual de usuario Pagina 32

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