HALE Silencer AP Series, Инструкция по установке, эксплуатации и техническому обслуживанию

Страница: 96 / 146

❑
Corrective Maintenance
96
Silencer Series Booster Pump
p/n: 029-0020-83-0
6. Inspect the rear clearance ring for wear and replace accordingly. See head-
ing “Clearance Rings, Impeller Measurement“ on page 97.
Note: Removing the rear clearance ring from the pump head renders the ring
defective and it must be replaced.
7. Removing the impeller may disturb the mechanical seal. For mechanical
seal replacement instructions, See heading “6a Mechanical Seal Assembly”
- on page 103.
Installation Notes - Impeller
To install, follow the preceeding instructions in the reverse order, paying attent-
ion to the following:
❑ Review preceeding sections “Before You Begin...“ on page 73 and “Clean-
ing and Inspection Guidelines” on page 76.
❑ Install the impeller shaft key into the slot on the pump shaft.
CAUTION !
DO NOT STRIKE THE IMPELLER. IRREPARABLE DAMAGE MAY RESULT.
❑
Carefully slide the impeller over the pump shaft, aligning the keyway with t
impeller key.
❑
Torque the impeller nut to 110 ft.-lbs. (148 N-m).
❑ Continue tightening the impeller nut until the cotter pin can be installed to
lock the nut in place.
❑ Install cotter pin.
❑
Replace all gaskets. Apply a small amount of grease to the gasket(s) and
align on the pump body.
❑
When installing the pump body (volute) to the pump head, DO NOT
damage the clearance rings or impeller.
❑
Reconnect all cooling lines, piping and tubing.
❑ Inspect the system for proper operation.
❑
Return the apparatus to service.