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Dover PSG WILDEN SANIFLO PS2 Series, Engineering, Operation & Maintenance

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Dover PSG WILDEN SANIFLO PS2 Series Engineering, Operation & Maintenance Download Page 23

 

WIL-12330-E-08

 

Wilden

® 

23 

Disassembly / Reassembly

 

 

Shaft Seal Installation

 

Pre-Installation

 

Once all of the old seals have been removed, the inside of the 

bushing should be cleaned to ensure no debris is left that may 

cause premature damage to the new seals.

 

 

Installation

 

1.

 

Wrap electrical tape around each leg of the needle-nose 

pliers (heat shrink tubing may also be used). This is done 

to prevent damaging the inside surface of the new seal. 

2.

 

With a new seal in hand, place the two legs of the needle-

nose pliers inside the seal ring. (See Figure A.) 

3.

 

Open the pliers as wide as the seal diameter will allow, 

then with two fingers pull down on the top portion of the 

seal to form a kidney shape. (See Figure B.) 

4.

 

Lightly clamp the pliers together to hold the seal into the 

kidney shape. Be sure to pull the seal into as tight of a 

kidney shape as possible, this will allow the seal to travel 

down the bushing bore easier. 

5.

 

With the seal clamped in the pliers, insert the seal into the 

bushing bore and position the bottom of the seal into the 

correct groove. Once the bottom of the seal is seated in 

the groove, release the clamp pressure on the pliers. This 

will allow the seal to partially snap back to its original 

shape. 

6.

 

After the pliers are removed, you will notice a slight bump 

in the seal shape. Before the seal can be properly resized, 

the bump in the seal should be removed as much as 

possible. This can be done with either the Phillips 

screwdriver or your finger. With either the side of the 

screwdriver or your finger, apply light pressure to the peak 

of the bump. This pressure will cause the bump to be 

almost completely eliminated. 

7.

 

Lubricate the edge of the shaft with NLGI grade 2 white EP 

bearing grease. 

8.

 

Slowly insert the center shaft with a rotating motion. This 

will complete the resizing of the seal. 

9.

 

Perform these steps for the remaining seals.

 

 

 

 

Tools

 

The following tools can be used to aid in the installation of the 

new seals:

 

•

 

Needle-Nose Pliers  

•

 

Phillips Screwdriver  

•

 

Electrical Tape

 

 

 

Figure A

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Figure B

 

 

 

 

 

Summary of Contents for PSG WILDEN SANIFLO PS2 Series

Page 1: ...EOM ENGINEERING OPERATION MAINTENANCE PS2 Saniflo Hygienic Series Metal Pumps WIL 12330 E 08 Where InnovationFlows ...

Page 2: ...oke TPE Fitted 9 PS2 Saniflo HS Full Stroke PTFE Fitted 9 Suction Lift Curves 10 Section 6 Suggested Installation Operation 11 Maintenance and Troubleshooting Section 7 Disassembly Reassembly 14 Pump Disassembly 14 Wil Gard Diaphragm Sensor 17 Swivel Pump Stand Option 18 Air Valve Center Section Disassembly 19 Single Point Exhaust 22 Reassembly Hints Tips 22 Section 8 Clean In Place CIP 24 Section...

Page 3: ...lifornia LLC Wil Flex is a trademark of PSG California LLC Saniflex is a trademark of PSG California LLC All trademarks names logos and service marks collectively trademarks in this document are registered and unregistered trademarks of their respective owners Nothing contained in this document should be construed as granting any license or right to use any trademark without the prior written perm...

Page 4: ...ainers must be grounded to a proper grounding point when handling flammable fluids and whenever discharge of static electricity is a hazard CAUTION Do not exceed 8 6 bar 125 psig air supply pressure CAUTION The process fluid and cleaning fluids must be chemically compatible with all wetted pump components Consult Chemical Resistance Guide CAUTION Do not exceed 82 C 180 F air inlet temperature for ...

Page 5: ...ALTY CODES 0770 Saniflo HS 0770E Saniflo HS 1935 2004 EC 0771 Saniflo HS w Swivel Stand 0771E Saniflo HS w Swivel Stand 1935 2004 EC 0772 Saniflo HS Wil Gard 110V 0772E Saniflo HS Wil Gard 110V 1935 2004 EC 0773 Saniflo HS Wil Gard 220V 0773E Saniflo HS Wil Gard 220V 1935 2004 EC 0774 SanifloHS Wil Gard110Vw SwivelStand Requiredfor3 Acert 0774E Saniflo HS Wil Gard 110V w Swivel Stand Required for ...

Page 6: ...oped in the liquid chamber and manifold of the pump These same hydraulic forces lift the discharge valve ball off its seat while the opposite discharge valve ball is forced onto its seat forcing fluid to flow through the pump discharge The movement of diaphragm A toward the center of the pump creates a vacuum within liquid chamber A Atmospheric pressure forces fluid into the inlet manifold of the ...

Page 7: ...4 E 775 30 5 F 61 2 4 G 505 19 9 H 104 4 1 J 480 18 9 K 648 25 5 L 351 13 8 M 401 15 8 N 394 15 5 P 432 17 0 R ø10 ø 4 LW0436 Rev A DIMENSIONS ITEM METRIC mm STANDARD inch A 343 13 5 B 81 3 2 C 327 12 9 D 540 21 3 E 591 23 3 F 61 2 4 G 322 12 7 H 69 2 7 J 292 11 5 K 460 18 1 L 185 7 3 M 224 8 8 N 191 7 5 P 229 9 0 R ø10 ø0 4 LW0435 Rev A DIMENSIONAL DRAWING Section 4 ...

Page 8: ...cified so that daily operation parameters will fall in the center of the pump s performance curve PS2 SANIFLO HS FULL STROKE TPE INTEGRAL PISTON DIAPHRAGM FITTED ShipWeight 40 kg 80 lb Air Inlet 1 2 Inlet 25 mm 1 Outlet 25 mm 1 Suction Lift 2 4 m Dry 8 7 9 m Wet 26 Disp Per Stroke1 0 2 L 0 07 gal Max Flow Rate 117 lpm 31 gpm Max Size Solids 6 4 mm 1 4 1 Displacement per stroke was calculated at 4 ...

Page 9: ... pumps should be specified so that daily operation parameters will fall in the center of the pump s performance curve PS2 SANIFLO HS FULL STROKE PTFE FITTED ShipWeight 40 kg 80 lb Air Inlet 1 2 Inlet 25 mm 1 Outlet 25 mm 1 Suction Lift 1 5 m Dry 10 7 6 m Wet 25 Disp Per Stroke1 0 22 L 0 06 gal Max Flow Rate 117 lpm 31 gpm Max Size Solids 6 4 mm 1 4 1 Displacement per stroke was calculated at 4 8 b...

Page 10: ...00 above sea level This chart is meant to be a guide only There are many variables which can affect the pump s operating characteristics Suction lift can be affected by the number of intake discharge elbow viscosity of pumping fluid elevation atmospheric pressure pipe friction losses and other factors Caution Do not exceed 8 6 bar 125 psig air supply pressure ...

Page 11: ...ir between the valve and the pump to bleed off which improves pump performance You can estimate pumping volume by counting the number of strokes per minute and then multiplying that figure by the displacement per stroke Muffler Sound levels are reduced below OSHA specifications using the standard Wilden muffler Other mufflers can be used to further reduce sound levels but they usually reduce pump ...

Page 12: ...oftheair supplytothepump Anair regulator isusedto regulate air pressure A needle valve is used to regulate volume Pump discharge rate also can be controlled by throttling the pump discharge by partially closing a valve in the discharge line of the pump This action increases friction loss which reduces flow rate See Performance onpage8 Thisisuseful whentheneedexists to control the pump from a remot...

Page 13: ...s 7 Check for any broken inner piston that would cause the air valve spool to be unable to shift Pump runs but little or no product flows 1 Check for pumpcavitation Slowpumpspeeddownto allow thick materialtoflowintoliquidchambers 2 Verifythatvacuumrequiredtoliftliquidisnotgreater thanthe vaporpressureofthematerialbeingpumped cavitation 3 Check for stickingballcheck valves a Ifmaterialbeingpumpedis...

Page 14: ...ke discharge and air lines Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container Be aware of any hazardous effects of contact with your process fluid NOTE The model photographed for these instructions incorporates PTFE diaphragms Step 1 Prior to assembly alignment marks should be placed on the liquid chambers and air chambers to assist with proper alignm...

Page 15: ... housing to the liquid chamber Step 8 Next remove the ball valve housing valve ball and gasket from liquid chamber To ensure proper alignment during reassembly of manifold liquid chamber interface turn off set portion of valve housing to the left or to the right This procedure works for the inlet manifold and discharge manifold connections Step 9 Now the large clamp bands can be removed NOTE Prior...

Page 16: ... in the opposite direction loosen and remove one of the two outer pistons Step 11B If your pump is fitted with an IPD the procedure for removing the diaphragm is slightly different In this case simply grasp the diaphragm in two locations and turn in a counterclockwise direction Step 12A After loosening and removing the outer piston the remaining diaphragm assembly and shaft can be removed from the...

Page 17: ...e primary diaphragm and the back up diaphragm on both sides of the pump at the six o clock position They should be positioned approximately half the distance to the shaft from the edge of the diaphragm Step 2 Prior to installing the liquid chamber and after positioning the Wil Gard sensor cable between the primary and back up diaphragms run the sensor cable along the diaphragm bead but outside the...

Page 18: ...commended that the pump be disassembled while attached to the stand If it is necessary to remove the pump from the stand while fully assembled use a hoist or mechanical means to support the pump as it is removed from the stand To remove your Saniflo HS pump from the swivel pump stand first loosen the anti rotation bolt item 1 by turning counter clockwise Next ensure the entire pump weight is suppo...

Page 19: ...s Drain the pump by turning it upside down and allowing any fluid to flow into a suitable container Be aware of hazardous effects of contact with your process fluid NOTE Replace worn parts with genuine Wilden parts for reliable performance Step 1 Using a 9 16 wrench loosen the bolts that connect the center section to the stand CAUTION With bolts removed the center section is no longer attached to ...

Page 20: ...X air valve incorporates an end cap at both ends of the air valve Step 7 Remove the air valve spool from the air valve body by threading one air valve bolt into the end of the air valve spool and gently sliding the spool out of the air valve body Inspect seals for signs of wear and replace entire assembly if necessary Use caution when handling air valve spool to prevent damaging seals NOTE Seals s...

Page 21: ...pool from pilot spool sleeve and inspect for nicks gouges and wear Replace pilot sleeve or outer sleeve O rings if necessary During reassembly never insert the pilot spool into the sleeve with the notched end first this end incorporates the urethane O ring and will be damaged as it slides over the ports cut in the sleeve NOTE Seals should not be removed from pilot spool Seals are not sold separate...

Page 22: ... bearing grease or equivalent Clean the inside of the center section shaft bore to ensure no damage is done to new shaft seals A small amount of NLGI grade 2 white EP bearing grease can be applied to the muffler and air valve gaskets to locate gaskets during assembly Make sure that the exhaust port on the muffler plate is centered between the two exhaust ports on the center section Stainless bolts...

Page 23: ... easier 5 With the seal clamped in the pliers insert the seal into the bushing bore and position the bottom of the seal into the correct groove Once the bottom of the seal is seated in the groove release the clamp pressure on the pliers This will allow the seal to partially snap back to its original shape 6 After the pliers are removed you will notice a slight bump in the seal shape Before the sea...

Page 24: ...causing premature diaphragm failure The following are some details to consider when cleaning the Saniflo HS pump Through the EHEDG certification process the Saniflo HS pump has been validated to clean equivalent to the inlet tubing of the same diameter The cleaning chemical supplier should be consulted and advised of this for their chemical solution and application The same guideline for duration ...

Page 25: ...WIL 12330 E 08 Wilden 25 EXPLODED VIEW AND PARTS LISTING PS2 SANIFLO HS EXPLODED VIEW Section 9 ...

Page 26: ...G SMS 2 02 5160 10 387P N A 21 Clamp Band Assy Small 4 02 7100 03 85 22 Clamp Band Assy Large3 2 02 7300 03 385 23 Bolt RHSN 5 16 18 X 2 4 08 6050 03 500 24 Washer 344 I D X 688 O D X 065 THK 4 02 6731 03 25 Wing Nut Medium Clamp 4 08 6661 10 Gaskets Valve Balls 26 Gasket 1 4 27 Gasket 2 8 28 Valve Ball 4 Check Valve Components 29 Ball Cage 1 EHEDG 4 02 5350 10 385P Full Stroke Rubber TPE PTFE FSI...

Page 27: ...nts 42 Pump Stand Swivel Assy 5 3 A 1 04 7655 03 43 Bushing Center Block Mounting 1 15 7665 03 44 Locking Pin 1 08 7694 03 45 Screw HHC 1 2 13 X 6 1 15 6143 03 41 Screw HHC 3 8 16 X 1 1 4 2 04 6190 03 38 Nut Cap 5 16 18 Pump Stand 4 08 6600 03 72 46 Pad Pump Stand 2 3 A 4 08 7672 20 Accessory Components 47 Control Module Wil Gard II 110 3 A 1 65 8001 99 48 Sensor Cables Wil Gard II 3 A 1 65 8020 9...

Page 28: ...WIL 12330 E 08 Wilden 28 PS2 SANIFLO HS 1935 2004 EC EXPLODED VIEW EXPLODED VIEW AND PARTS LISTING ...

Page 29: ...P N A 21 Clamp Band Assy Small 4 02 7100 03 85 22 Clamp Band Assy Large3 2 02 7300 03 385 23 Bolt RHSN 5 16 18 X 2 4 08 6050 03 500 24 Washer 344 I D X 688 O D X 065 THK 4 02 6731 03 25 Wing Nut Medium Clamp 4 08 6661 10 Gaskets Valve Balls 26 Gasket 1 Pkg 4 1 27 Gasket 2 Pkg 2 4 28 Valve Ball Pkg 4 1 Check Valve Components 29 Ball Cage 1 EHEDG 4 02 5350 10 385P Full Stroke Rubber TPE PTFE FSIPD C...

Page 30: ...nd Components 42 Pump Stand Swivel Assy 5 3 A 1 04 7655 03 43 Bushing Center Block Mounting 1 15 7665 03 44 Locking Pin 1 08 7694 03 45 Screw HHC 1 2 13 X 6 1 15 6143 03 41 Screw HHC 3 8 16 X 1 1 4 2 04 6190 03 38 Nut Cap 5 16 18 Pump Stand 4 08 6600 03 72 46 Pad Pump Stand 2 3 A 4 08 7672 20 Accessory Components 47 Control Module Wil Gard II 110 3 A 1 65 8001 99 48 Sensor Cables Wil Gard II 3 A 1...

Page 31: ...57 02 1031 57 N A 02 1086 57 N A N A FDA FKM N A N A N A N A N A N A 02 1320 68 85 02 1400 68 85 Product Contact Components LW0438 Rev B PS2 SANIFLOTM HS 1935 2004 EC Material Diaphragms 2 Full Stroke Diaphragms 2 Full Stroke Back Up Diaphragms 2 Full Stroke IPD Diaphragms 2 Full Stroke IPD Back Up Diaphragms 2 Valve Balls 4 Gaskets 1 4 Gaskets 2 8 FDA Buna N 02 1010 69E N A N A N A N A 02 1086 69...

Page 32: ...WIL 12330 E 08 Wilden ...

Page 33: ...WIL 12330 E 08 Wilden ...

Page 34: ...WIL 12330 E 08 Wilden Notes ...

Page 35: ...WIL 12330 E 08 Wilden Notes Notes ...

Page 36: ...d Terrace CA 92313 5651 USA P 1 909 422 1730 F 1 909 783 3440 psgdover com Where Innovation Flows PSG reserves the right to modify the information and illustrations contained in this document without prior notice This is a non contractual document 05 2018 ...

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