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Power-Flo Pumps & Systems • 877-24PUMPS • www.powerflopumps.com

If replacing the seal, remove stationary 
(5a) from seal plate (3) by prying out with 

screw driver.

BEARING -

 Examine bearing (7) and 

replace if worn. Remove bearing (7) from 

shaft using a wheel puller, if replacement 

is required. The washer bushing (26) 

and conduit bushing (25) can now be 

removed.

REASSEMBLY

 IMPORTANT! - All parts must be
 clean before reassembly. 
 Handle seal parts with extreme 
 care. DO NOT damage lapped 
 surfaces.

To reassemble 

-

 clean seal cavity in seal 

plate (3) and oil. Press seal’s (5) stationary 
member (5a) firmly into seal plate (3), 
using a seal tool or pipe. Nothing should 
come in contact with the seal face except 
the seal tool. Be sure the stationary is in 
straight. Lightly oil 

(Do not use grease) 

shaft and inner surface of bellows. 

Slide retaining ring (5d) and spring (5c)
over shaft and let rest on bearing. Lightly 
oil 

(Do not use grease)

 shaft, bullet 

and inner srface of bellows on rotating 
member (5b). See Figure 3. With lapped 
surface of rotating member (5b) facing 
outward, slide over seal tool and unto 
shaft, making sure spring (5c) is seated in 
retaining ring (5d) and spring (5c) is lined 
up on rotating member (5b) and not 
cocked or resting on bellows tail.

Place conduit bushing (25) and washer 
(26) onto shaft. Slide rotor/shaft (6) with 
bearing (7) and seal (5) into seal plate 
(3) until bearing (7) seats into seal plate. 
Locate washer (26) into place on bearing 
and tighten conduit bushing (25) onto 
seal plate (3). Place stator (6) over rotor 
(6), lining up motor bolts with holes in 
seal plate (3). Position capacitor (29) on 
motor with clamp (30) and reconnect 
capacitor leads. Torque motor bolts to 
17 in-lbs. Set square ring (11) in grove on 
seal plate (3).

Lower motor housing (4) down onto 
seal plate (3) while aligning holes and 
stringing motor leads through the cord 
entry bore.  Place socket head screws (15) 
through seal plate (3) into housing (4) 
and torque to 60 in-lbs. Reconnect motor 
leads, as shown in Figure 5. 

Power Cable Connection

Check power cord (18) for cracks or 
damage and replace if required. Insert 
one washer (20), grommet (21), washer 
(20) into motor housing (4). Apply pipe 
sealant to gland nut (19) and screw into 
motor housing (4). Torque gland nut to 
(19) to 15 ft. lbs. to prevent water leakage 
(See Figure 4). Refill the cooling oil and 
replace pipe plug (16).

Insert spacer (14) and v-ring (13) into seal 

plate (3) and reassemble remaining parts 
per “Impeller, V-ring and Volute” section on 
page 7.

Service

PFEH  

 

 

  

 

 

 

 

     Submersible Effluent Pumps

Figure 3

Figure 4

Summary of Contents for PFEH Series

Page 1: ...877 24PUMPS www powerflopumps com 0 5 1HP 3450 RPM 60 Hz Submersible Effluent Pumps ISP No PFEH 1 2021 INSTALLATION SERVICE PARTS MANUAL Series PFEH512 PFEH1022 PFEH1032 PFEH1042 ...

Page 2: ...th power connected Always wear eye protection when working on pumps Do not wear loose clothing that may become entangled in moving parts Pumps build up heat and pressure during operation Allow time for pumps to cool before handling or servicing This pump is not intended for use in swimming pools or water installations where human contact with pumped fluid Pumps when used as a decorative water foun...

Page 3: ...cal Oil Filled Silicon Carbide Silicon Carbide Buna N UPPER BEARING Single row ball oil lubricated LOWER BEARING Single row ball oil lubricated POWER CORD 15 Ft Cord Pressure Grommet for Sealing and Strain Relief MOTOR NEMA Design L Single Phase NEMA B Three Phase Class B Insulation SINGLE PHASE Permanant split capacitor Includes overload protection in motor THREE PHASE Requires overload protectio...

Page 4: ...4 Power Flo Pumps Systems 877 24PUMPS www powerflopumps com PFEH Submersible Effluent Pumps Dimensions Performance ...

Page 5: ...below the frost line If this is not feasible remove the check valve and size the basin to accommodate the additional backflow volume Discharge Piping Discharge piping should be as short as possible and sized no smaller than the pump discharge Do not reduce the discharge pipe size below that which is provided on the pump Both a check valve and a shut off valve are recommended for each pump The chec...

Page 6: ...d Perform the following checks when pump is removed from operation or when pump performance deteriorates a Inspect motor chamber for oil level and contamination b Inspect impeller and body for excessive build up or clogging c Inspect motor and bearings d Inspect seal for wear or leakage Servicing NOTE Item numbers in refer to Figure 6 Cooling Oil Anytime the pump is removed from operation the cool...

Page 7: ... 2 To reassemble clean the threads with thread locking compound cleaner Apply removable Loctite 242 or equivalent to shaft threads Screw impeller 2 onto the shaft hand tight while using a screwdriver in the slot at the end of the shaft to hold it stationary Install impeller nut 10 and tighten Rotate impeller to check for binding Position gasket 12 on volute flange and position impeller and motor ho...

Page 8: ...is lined up on rotating member 5b and not cocked or resting on bellows tail Place conduit bushing 25 and washer 26 onto shaft Slide rotor shaft 6 with bearing 7 and seal 5 into seal plate 3 until bearing 7 seats into seal plate Locate washer 26 into place on bearing and tighten conduit bushing 25 onto seal plate 3 Place stator 6 over rotor 6 lining up motor bolts with holes in seal plate 3 Positio...

Page 9: ... Cable Motor Lead Number Green Ground Green Black 1 7 Red 2 8 White 3 9 4 5 6 Together Power Cable Motor Lead Number Green Ground Green Black 1 Red 2 White 3 4 7 Together 5 8 Together 6 9 Together Figure 5 Service PFEH Submersible Effluent Pumps Figure 5 115 230 Volt AC 1Ph Models PFEH512 PFEH1022 Figure 5 230 Volt AC 3Ph Models PFEH1032 Figure 5 460 Volt AC 3Ph Models PFEH1042 ...

Page 10: ... 877 24PUMPS www powerflopumps com Repair Parts For Repair Part Please supply Model Number and MFG Date as shown on Name Plate and Part Description and Part Number as shown on Parts List Figure 6 PFEH Submersible Effluent Pumps ...

Page 11: ...g PF31020008 8 4 Screw 5 16 18 x 1 1 2 Lg Stainless 9 4 Lock Washer 5 16 Stainless 10 1 Impeller Nut 1 2 Stainless 11 1 Gasket 27269 PF92010082 12 1 Gasket 27344 PF92010147 13 1 V ring 56789 PF92010111 14 1 Spacer PF92010086 15 2 Soc Hd cap screw 1 4 x 3 4 Lg Stainless 16 1 Pipe Plug 3 4 NPT 17 1 Lifting bail PF31120002 18 1 Power cable Assembly 14 3 SJTOW For 1 2 1 Hp 1 Ph Includes 19 20 21 PF091...

Page 12: ...Effluent Pumps 25 1 Conduit Bushing PF31190022 26 1 Washer Bushing PF91010053 27 2 6 Female Connector 1Ph 3Ph PF94010041 28 8 Gal Cooling Oil See Chart on Page 7 Aquire Locally 29 1 Capacitor PF31030031 30 1 Clamp PF93010001 31 1 Wire Connector PF94010011 OVERHAUL KIT Kit to include shaft seal 5 bearing 7 impeller nut 10 gasket 11 gasket 12 v ring 13 spacer 14 conduit bushing 25 washer 26 PFEH OHK...

Page 13: ...p may be required Consult the factory Disconnect unit electrically Remove the pump from the basin Detach the pump base and clean the area around the impeller Rotate impeller by hand Reassemble and reinstall Pump will not turn off Level control s unable to move to the turn OFF position due to interference with the side of basin or other obstacle Defective level control Posistion the pump or level c...

Page 14: ...14 Power Flo Pumps Systems 877 24PUMPS www powerflopumps com Notes PFEH Submersible Effluent Pumps ...

Page 15: ...15 Power Flo Pumps Systems 877 24PUMPS www powerflopumps com Notes PFEH Submersible Effluent Pumps ...

Page 16: ...t has not been installed operated or maintained in accordance with Manufacturer s installation instructions that has been exposed to outside substances including but not limited to the following sand gravel cement mud tar hydrocarbons hydrocarbonderivatives oil gasoline solvents etc orotherabrasiveorcorrosivesubstances wash towels or feminine sanitary products etc in all pumping applications The w...

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