Grundfos Peerless Pump 8196 Series, Инструкция по установке, эксплуатации и обслуживанию

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POWER END DISASSEMBLY-LTP FRAMES
(a) Remove bearing housing bolts (370C), loosen jam nuts (423). Tighten jack bolts (3700) evenly. Bear-
ing housing will begin to back out of frame.
(b) Slide shaft assembly, with bearing, housing out of bearing frame.
(c) Remove all jack screws and nuts, items (3700) and
(423).
Remove bearing housing 0-rlng (496).
(d) Remove bearing cover screws (370G) and remove cover.
(e) Remove bearing housing
(134)
from shaft by tapping the shaft with a rubber mallet, driving
the
thrust bearings and shaft assembly through the housing.
DO NOT ATTEMPT TO REMOVE THE LABYRINTH SEALS, (333A) and (332B). THESE ARE
ONE PIECE ISOLATORS THAT ARE NOT DESIGNED FOR FIELD DISASSEMBLY. UNLESS
DAMAGED, THE ISOLATOR 0-RINGS DO NOT REQUIRE SERVICE OR REPLACEMENT.
(f) Remove bearing lock nut (136) and lock washer, (382).
(h) Using an arbor press, remove inboard and outboard bearings. Remove bearing cover. DO NOT
REMOVE OIL RING (248A) FROM SHAFT UNLESS IT IS DAMAGED.
POWER END DISASSEMBLY-XLTP FRAMES
(a) Remove bearing frame foot bolts (370F), and remove foot (241).
(b) Remove bearing housing bolts (370C), loosen jam nuts (423). Tighten jack bolts (370D) evenly.
Bearing housing
will
begin
to
back out of frame.
(c) Slide shaft assembly, with bearing housing, out of bearing frame.
(d) Remove all jack screws and nuts, items (370D) and (423). Remove bearing housing 0-ring (496).
(e) Remove bearing cover bolts (370G) and bearing cover (109C). Discard)-ring gasket (360C). DO NOT
REMOVE LABYRINTH SEAL.
(f) Using an arbor press, remove inboard bearing (168A).
(g) Remove bearing housing
(134),
by sliding housing over the bearing and removing housing from
impeller end of shaft.
(h)
Remove bearing locknut
(136)
and lock washer (382).
(i) Press outboard bearing (112) off of shaft.
PARTS INSPECTION
ALL PARTS MUST BE INSPECTED BEFORE REASSEMBLY TO ENSURE THAT THE REBUILT PUMP
WILL PERFORM PROPERLY. EACH PART SHOULD BEEXAMINED FOR SIGNS OFFATIGUE, EXCES-
SIVE WEAR AND CRACKS. REPLACE ANY WORN PARTS
IF THEY DO NOT MEET THE FOLLOW-
ING TOLERANCE STANDARDS.
BEARING FRAME AND FOOT · Visually inspect for cracks, roughness, rust or scale. Check machined sur-
faces for pitting or erosion. BEARING FRAME • INSPECT TAPPED CONNECTIONS FOR DIRT, CLEAN
AND CHASE THREADSAS NECESSARY. Remove all loose or foreign material. Inspect lubrication passages
to
be
sure that they are open. Inspect inboard bearing frame bore.
SHAFT AND SLEEVE - Visually inspect, check for grooves or pitting. Check bearing fits and shaft runout.
Replace shaft and sleeve if worn, or if tolerances are outside the limits listed below.
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