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

11

Bearings & Inner Seal -

 Remove seal (19) 

rotating member and spring from rotor 
shaft.  Press stationary from intermediate 
(21) with fl at screwdriver. Examine all seal 
parts. Inspect contact faces for signs of 
uneven wear tracks on stationary, chips 
and scratches on either seal face. 

DO 

NOT interchange seal components, 
replace the entire shaft seal (19). 

Remove retaining ring (39) from shaft. 
Using a wheel puller or arbor press 
remove bearing (18) from shaft. Remove 
upper motor bearing from shaft with a 
bearing puller. (See Figure 3)

Check sleeve bearing (23) for excessive 
wear, if replacement is required, press 
sleeve from intermediate coupling (21).

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

Reassembly

Bearings -

 Be careful not to damage 

the rotor shaft when replacing bearings. 
Using an arbor press, hold the rotor and 
press the upper bearing on the rotor 
shaft, applying force to the inner race of 
the bearing only. Replace upper retaing 
ring onto rotor shaft. In the same manner 
replace lower bearing (18) onto rotor 
shaft. Place lower retaining ring (39) onto 
shaft.

Inner Seal -

 Clean and oil seal cavity 

in intermediate coupling (21). Lightly 
oil 

(Do not use grease)

 outer surface 

of stationary member. Press seal’s 
(19) stationary member firmly into 
intermediate coupling (21), 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. 
Place seal’s (19) retaining ring and spring 
over shaft until seated on shaft shoulder. 
Slide a bullet tool over rotor shaft threads.

Lightly oil 

(Do not use grease)

 shaft, 

bullet, and inner surface of bellows on 
rotating member, with fi nished end away 
from motor, slide rotating member over 
bullet and onto shaft until it engages 
spring. 

Make sure spring is seated in retaining 
ring and spring is lined up on rotating 
member and not cocked or resting on 
bellows tail. (See Figure 3)

Motor -

 Slide rotor/shaft with bearing 

(18) and seal parts (19) into intermediate 
coupling (21) until bearing seats into 
intermediate coupling. Install retaining 
ring (39) into intermediate coupling (21). 
Place motor stator over rotor, lining up 
motor bolts with holes in intermediate 
coupling (21). Place end bell on top of 
motor and insert motor bolts and torque 
to 17 in-lbs. 

Set square ring (20) in grove on 
intermediate coupling (21). Attach 
ground wire (36) to end bell if removed. 
Pull wires through opening in top of 
motor housing (15) while lowering motor 
housing onto intermediate coupling 
(21). Connect wires to pins on bottom 
of terminal block (37) as noted at 
disassembly and/or see wiring digrams in 
Figure 7. 

Lubricate o-ring (9) with dielectric oil 
and slide terminal block (37) back into 
housing (15). Be sure terminal block is 
engaged and install retaining ring (38). 
Place cap screws (35) with lockwashers 
(11) through housing (15) into 
intermediate coupling (21) and tighten.  
(See Figure 4)

Service

Figure 3

PFG - HH & HV 2HP 

 

 

 

  

      

        Submersible Grinder Pumps

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Summary of Contents for PFG2002HH

Page 1: ...ISP No PFGrinder 9 09 INSTALLATION SERVICE PARTS MANUAL Power Flo Pumps Systems 877 24PUMPS www powerflopumps com Series PFG2002HV HH PFG2022HV HH PFG2062HV HH PFG2032HV HH PFG2042HV HH Double Seal 2...

Page 2: ...ood Shells Aquarium Gravel Cat Litter Plastic Objects toys utensils etc Sanitary Napkins or Tampons Diapers Rags Disposable Wipes or Cloth Medications Flammable Material Oil or Grease Strong Chemicals...

Page 3: ...AFT Stainless Steel SQUARE RINGS Buna N HARDWARE Stainless Steel PAINT Powder Coated Industrial Grade SEAL Tandem Double Mechanical Carbon Ceramic Buna N UPPER BEARING Single row Ball Oil Lubricated I...

Page 4: ...vailable if a Power Flo control panel is not used See page 13 for wiring schematic PF88243 for 200 volt 1 phase PF73306 for 230 volt 1 phase Specifications MODEL HP Volts Ph BREAKER SIZE HEATER SIZE V...

Page 5: ...Power Flo Pumps Systems 877 24PUMPS www powerflopumps com 5 Performance PFG HH 2HP Submersible Grinder Pumps BACK TO INDEX...

Page 6: ...Power Flo Pumps Systems 877 24PUMPS www powerflopumps com 6 Performance PFG HV 2HP Submersible Grinder Pumps BACK TO INDEX...

Page 7: ...not pump out of liquid Controls PFG series grinders require a separate approved pump control device or panel for automatic operation Be sure the electrical specification of the control selected proper...

Page 8: ...tential problems can be corrected It is recommended that the level control float should be set to insure that the liquid in the sump never drops below the top of the motor housing or a minimum level o...

Page 9: ...ashlight visually inspect the oil in the housing 15 to make sure it is clean and clear light amber in color and free from suspended particles Milky white oil indicates the presence of water Oil level...

Page 10: ...ounter clockwise to remove CAUTION Cutter edges are very SHARP Cutter must be removed before removing volute Volute Remove hex nuts 41 from studs 34 and remove volute 25 from pump Shredding Ring To re...

Page 11: ...g should come in contact with the seal face except the seal tool Be sure the stationary is in straight Place seal s 19 retaining ring and spring over shaft until seated on shaft shoulder Slide a bulle...

Page 12: ...mage 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 to...

Page 13: ...Figure 7 200 240 Volt 3Phase Figure 7 460 Volt 3Phase Figure 7 200 230 Volt 1Phase Pump Wiring Schematics PFG HH HV 2HP Submersible Grinder Pumps 1Phase Capacitor Relay Pack For Control Panels 2HP 20...

Page 14: ...Power Flo Pumps Systems 877 24PUMPS www powerflopumps com 14 Typical Panel Wiring Schematic PFG HH HV 2HP Submersible Grinder Pumps BACK TO INDEX...

Page 15: ...w powerflopumps com 15 Figure 8 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 PFG HH HV 2HP Su...

Page 16: ...w powerflopumps com 16 Figure 9 PFG HH HV 2HP Submersible Grinder Pumps Repair Parts For Repair Part Please supply Model Number and MFG Date as shown on Name Plate and Part Description and Part Number...

Page 17: ...Seal Carbon Ceramic Buna N PF111131 20 1 6 Square Ring PF074498 21 1 Bearing Bracket PF108879 22 1 Pipe Plug 1 4 NPT 23 1 Bronze Insert 24 1 6 Square Ring PF067564 25 1 Volute PF108344 26 3 Pump Leg...

Page 18: ...6 Retaining Ring PF061143 40 1 6 Impeller Screw 1 4 20 x 3 4 Lg Stainless PF070704 41 4 Hex Nut 5 16 18 Stainless Repair Kits CUTTER KIT Includes Item numbers 27 28 29 40 PFG2HV CT PFG2HH CT 6 OVERHAU...

Page 19: ...uired 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...

Page 20: ...ned 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 hydrocarb...

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