Rotech ANSI LTR, Инструкция по установке, эксплуатации и обслуживанию

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17
Pump parts are heavy. Use proper lifting methods to
avoid personal injury.
! WARNING !
NOTE: Threads are right-handed.
XLR – Remove impeller plug (428Y) from the impeller (101). Do not save impeller gasket (428D).
NOTE: This step does not apply to the 6" STR Model.
Never use heat to remove impeller. Heat combined
with trapped fluid could cause an explosion, which can
result in personal injury.
! WARNING !
4. Place lifting sling through frame to ensure safe handling during disassembly / assembly.
5. Remove bolts (370) holding the frame adapter (108) to casing (100).
6. Pull the frame adapter back from casing by tightening jack bolts (418).
7. Take the frame assembly to bench and secure for further work.
8. Scribe the location of coupling half on the shaft (122) and remove the coupling.
9. Remove the impeller (101) from the shaft (122) while holding the shaft with a strap wrench or suitable tool that will not
mark the shaft.
10. Remove the frame adapter by removing two dowel pins and four adapter bolts and then separate the adapter from the
bearing frame.
11. Remove the bearing housing bolts and loosen the jam nuts.
12. Tighten the jack-bolts evenly to push the bearing housing out of frame.
FOR A MECHANICAL SEAL:
a. Remove seal gland nuts (353A).
b. Slide gland toward frame (228), exercising care so as to
not drop stationary set from gland.
c. Remove seal chamber nuts (423B).
d. Slide off stuffing box cover (184).
e. Remove mechanical seal rotating element (383) and
sleeve (128) from pump shaft.
f. Loosen set screws if present. Refer to cartridge seal
manufacturer’s instructions.
g. Slide off seal gland with stationary seal and o-ring
gasket.
FOR A PACKED PUMP:
a. Remove the packing gland nuts (353A).
b. Slide gland toward frame (228).
c. Remove seal chamber nuts (423B).
d. Slide off stuffing box cover (184).
e. Remove packing (106) and lantern ring (105).