Baseline-systems BHM Series Hydrometer Bedienungsanleitung PDF herunterladen (Seite 38)

38 • Hydrometers Operation and Maintenance Manual

Maintenance 8” Models, Cont.

IMPELLAR AND FLOW TUBE ASSEMBLIES

Dis-assembly

• Remove valve seat base (49) from atop the ow tube (55). Be careful not

to damage the impeller shaft. Inspect the valve seat base for excessive

wear and replace as necessary.

• Remove the impeller (50).

• Inspect for cracks or excessive wear and check that the impeller shaft is

perfectly straight. Replace if necessary.

• Remove the ow tube (55).

• Inspect and replace as necessary.

• Inspect the upper and lower ow tube o-rings (54) and replace as

necessary.

• Remove the inlet spider (57) assembly. Inspect and repair as necessary.

Re-assembly

• Replace the inlet spider assembly (57) into the hydrometer body.

• Place the two lower ow tube o-rings (54) onto the ow tube (55).

• Place the upper ow tube o-ring (54) into the valve seat base (49).

• Replace the ow tube (55) atop the inlet spider assembly (57) in the

hydrometer body.

• Replace the impeller assembly (51) into the ow tube (55) - the impeller

shaft should rest in the lower bearing bushing (56).

• Place the valve seat base (49) over the impeller shaft so that it rests atop

the ow tube (55).

INLET SPIDER

Dis-assembly

• Unscrew and remove the cap (60). Inspect and replace as necessary.

• Remove the lock nut (59).

• Unscrew and remove the lower bearing screw (58) from the inlet spider

(57). Inspect and replace as necessary

• Inspect the inlet spider (57) and the lower bearing bushing (56) and

replace as necessary.

Re-assembly

• Screw the upper bearing bushing (56) back into the top of the inlet

spider (57).

• Replace the lower bearing screw (58) into bottom of the inlet spider.

Tighten approximately eight turns.

• Replace the lock nut (59) and the cap (60).

1 2 ... 33 34 35 36 37 38 39 40 41 42 43 ... 51 52

Keine Kommentare

Baseline-systems BHM Series Hydrometer Bedienungsanleitung Seite 38