Crane Barnes XSGV 2 HP, Installation Manual

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To remove or reverse the shredding ring (9) fi rst remove
the three fl at head allen screws (10) and lift the throat (11)
out of the body (1). The shredding ring (13) is press fi tted
in the body (1) and must be removed with an arbor press.
After a number of years of service or whenever the
shredding ring (13) cutting edges dull, the part can be
pressed out of the body (1) and reversed to utilize the
opposite cutting edges and replaced in the body (1). To
maintain ef
fi cient grinder pump operation, care should be
taken to keep both the radial cutter (8) and shredding ring
(13) cutting edges sharp. Neither part can be sharpened
to renew the cutting ability. The radial cutter (8) must
be replaced and the shredding ring either reversed or
replaced.
F-3.2) Reassembly:
To replace impeller (13) on shaft, turn clockwise while
holding shaft stationary with a screwdriver. Then replace
shims (12) on motor shaft. Important that the same
quantity be replaced as removed.
Next install shredding ring (9) by pressing into body (1) with
the use of an arbor press. Then insert throat (11) into body
(1) with three
fl at head allen screws (10). Apply a thin coat
of petroleum jelly to the square ring (5) and place on body
(1). Place motor assembly on body (1) , being careful not to
damage square ring (5). Place washers (4) and nuts (3) on
studs (2) and tighten.
Screw radial cutter (8) on shaft clockwise. Hold motor
shaft stationary with screwdriver and tighten. Then replace
washer (7) and screw (6). Radial cutter (8) to be
fl ush with
shredding ring (9) on suction side to within ± .020.
F-4) OUTER SHAFT SEAL SERVICE:
CAUTION! - Handle seal parts with extreme
care. DO NOT scratch or mar lapped surfaces.
F-4.1) Disassembly and Inspection:
Outer Seal -
To expose outer shaft seal (17) for
examination disassemble volute, cutter and impeller as
outlined in paragraph F-3.1. Set pump so that the shaft is
in the upright position, this will keep the oil from draining
out while servicing the outer shaft seal. To inspect seal
further, remove retaining ring (17d), spring (17c) and
rotating member (17b) from shaft (see Fig. 5). Examine all
seal parts and especially contact faces. Inspect seal for
signs of wear such as uneven wear pattern on stationary
members, chips and scratches on either seal face.
DO
NOT interchange seal components, replace the entire
shaft seal (17). If replacing seal, remove stationary (17a)
by prying out with
fl at screw driver.
F-4.2) Reassembly:
Outer Seal -
Clean and oil seal cavities in seal plate
(DO
NOT remove seal plate)
. Lightly oil (DO NOT use
grease) outer surface of stationary member (17a). Press
stationary member (17a) fi rmly into seal plate, using a seal
pusher (see parts list- seal tool kit). Nothing but the seal
pusher is to come in contact with seal face (see Fig. 6).
FIGURE 5
Stationary Member (17A)
Seal Plate Seal Pusher
FIGURE 6
MOTOR END
(INBOARD END
Spring (17c)
SEAL
ASSEMBLY
(17)
Seal Plate (DO NOT REMOVE)
Stationary (17a)
Rotating Member (17b)
Retaining Ring (17d)
PUMP END
(OUTBOARD END)