Power-Flo Pumps & Systems • 877-24PUMPS • www.powerfl opumps.com
12
Power Cable Connection -
Check power
cord (3) for cracks or damage and replace
if required. Insert female end of cord
plug into housing bore
aligning timing
mark
with hole in terminal block (37)
see Figure (5). Compress cord plug with
compression flange by tightening cap
screws (1) with lock washers (2) into the
housing (15). Torque to 132 in-lbs.
Seal Plate -
Lubricate and set square
ring (24) in bottom groove of seal plate
(31). Place seal plate (31) over shaft and
onto intermediate coupling (21), being
sure square ring (24) is not twisted and
in the groove. Place two capscrews (32)
with lockwashers (11) into seal plate and
torque to 6.5 ft/lbs.
Outer Seal -
Clean and oil stationary
seal cavity in seal plate (31). Slide seal
guide tool over motor shaft. Lightly
oil
(Do not use grease)
outer surface
of seal’s (33) stationary member. Press
stationary fi rmly into seal plate (31) using
a seal pusher tool. Be sure the stationary
member is in straight. Nothing but the
seal tool is to come in contact with seal
face. (See Figure 6)
IMPORTANT ! Do not hammer
on the seal pusher. It will
damage the seal face.
With seal guide tool over motor shaft,
Lightly oil
(Do not use grease)
guide,
shaft and inner surface of bellows on
rotating seal. With lapped surface of
rotating member facing inward toward
stationary, slide rotating member over
guide and onto shaft, using seal pusher
tool, until lapped faces of stationary and
rotating seal are together. Place spring
over shaft and rotating member.
Be sure it is seated on the retainer and
not cocked or resting on bellows tail.
Impeller -
Place impeller (30) on motor
shaft, with machined step fi tting inside
the inside diameter of seal spring, by
turning clockwise while holding shaft
stationary with screwdriver.
Shredding Ring -
Install shredding ring
(27) into volute with the use of an arbor
press.
Volute -
Place volute (25) on seal plate
(31). Place nuts (41) with lockwashers
(11) onto studs (34) and torque evenly to
11 ft/lbs.
Note: Discharge must line up with notch
in motor housing.
Cutter -
Screw radial cutter (29) onto
shaft, turning it clockwise while holding
the shaft stationary with a screwdriver.
The radial cutter (29) should be fl ush with
shredding ring (27), on suction side to
within ± .020. Place washer (28) on screw
(40), apply green Loctite on threads and
place into shaft and tighten.
Figure 5
Service
Figure 6
PFG - HH & HV 2HP
Submersible Grinder Pumps
Figure 4
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