ITT Goulds Pumps 3755, Инструкция по установке, эксплуатации и обслуживанию

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Fill the oiler bottle with the proper grade of oil, and replace in the oiler. The frame is filled when an oil
level remains in the bottle. Several fillings of the bottle may be required. Never fill the frame through the
breather (113-A) or through the oiler without use of the bottle.
The oil capacities of the frames are: Groups S, 7 oz.; Group M, 12 oz.; Group L, 26 oz.. This does not
include any oil in the oiler.
3.2 Driver bearings
Check to be sure the driver bearings are properly lubricated.
3.3 Stuffing box
Packing
1. Stuffing box with packing rings:
These pumps are furnished with packed stuffing box. In the box of fittings accompanying the
pump will be found the stuffing box packing. The standard packing is white metal, graphite, long
fiber asbestos and is die formed to facilitate installation.
When installing the packing, twist the rings sideways just enough to get them around the shaft.
Figure 9: Stuffing box packing
NOTICE:
Do not attempt to pull rings straight out to get them over shaft.
Slide the lantern ring (105) out and away from the stuffing box. (Refer to 7.4 Sectional views,
parts list and interchangeability tables on page 29 . Insert three rings of packing, staggering the
joints. The lantern ring should then be inserted in the stuffing box. When it is in its proper posi-
tion, it will be directly opposite the sealing inlet connection.
After the lantern ring is in place, insert two more rings of packing on Group S and M and three
more on Group L, staggering the joints. One extra ring is furnished in each set of packing. The
extra ring should be added as required.
Place one gland half in lower position in stuffing box. Slide cupped washers over studs and on
the bosses of the gland to hold gland halves together.
Place two gland nuts on the studs and draw up evenly but not tight.
2. Stuffing box with mechanical seal:
When mechanical seals are furnished, they are installed and adjusted at the factory. The seal in-
structions and seal drawing are shipped with the pump. These should be read for any special in-
structions and filed for future use in maintaining the pump.
If the pump has a single mechanical seal and is handling clear liquid, be sure circulating line from
casing to stuffing box is connected. It is sometimes removed to prevent damage during shipment.
This line ensures circulation of liquid around seal. If pump is handling abrasive solids which might
score the seal faces, the seal is usually flushed with clear compatible liquid from an outside
3.2 Driver bearings
18 Model 3755 Installation, Operation, and Maintenance Manual