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OM-06674

PAH SERIES

MAINTENANCE & REPAIR

PAGE E - 11

ILLUSTRATION

Figure 6. 46112-709 Priming Chamber Assembly

PARTS LIST

ITEM 
NO.

PART NAME

PART 
NUMBER

MAT'L
CODE

QTY

1

PRIMING VALVE

26664-007

---

1

-ORIFICE BUTTON

26688-021

---

1

2

HEX HD CAPSCREW

B0806

15991

8

3

LOCKWASHER

J08

15991

8

4

PRIMING VALVE GASKET

38683-657

19060

1

5

PRIMING CHAMBER

38343-020

10000

1

6

STRAINER ASSY

46641-222

17000

1

 

INDICATES PARTS RECOMMENDED FOR STOCK

Summary of Contents for PRIME AIRE PLUS PA10A60C-B

Page 1: ...6674 01 March 7 2014 Rev B 08 09 16 GORMAN RUPP PUMPS www grpumps com 2014 Gorman Rupp Pumps Printed in U S A INSTALLATION OPERATION AND MAINTENANCE MANUAL WITH PARTS LIST PAH SERIES PUMP MODEL PAH10A60C B ...

Page 2: ...erial number and e mail address required RECORD YOUR PUMP MODEL AND SERIAL NUMBER Please record your pump model and serial number in the spaces provided below Your Gorman Rupp distributor needs this information when you require parts or service Pump Model Serial Number ...

Page 3: ...3 Suction Line Positioning PAGE B 4 DISCHARGE LINES PAGE B 4 Siphoning PAGE B 4 Valves PAGE B 4 ALIGNMENT PAGE B 5 Coupled Drives PAGE B 5 OPERATION SECTION C PAGE C 1 PRIMING PAGE C 1 STARTING PAGE C 1 Rotation PAGE C 1 OPERATION PAGE C 1 Leakage PAGE C 1 Liquid Temperature And Overheating PAGE C 1 Strainer Check PAGE C 2 Pump Vacuum Check PAGE C 2 STOPPING PAGE C 2 PERIODIC CHECKS PAGE C 3 Seal ...

Page 4: ...ning Oil From Seal Cavity PAGE E 13 Impeller Removal PAGE E 13 Seal Removal PAGE E 13 Separating Rotating Assembly From Power Source PAGE E 13 Shaft and Bearing Removal and Disassembly PAGE E 13 Shaft and Bearing Reassembly and Installation PAGE E 14 Securing Rotating Assembly to Power Source PAGE E 16 Seal Reassembly and Installation PAGE E 16 Impeller Installation and Adjustment PAGE E 17 Pump C...

Page 5: ... P O Box 1217 Mansfield Ohio 44901 1217 Phone 419 755 1011 or Gorman Rupp of Canada Limited 70 Burwell Road St Thomas Ontario N5P 3R7 Phone 519 631 2870 For information or technical assistance on the power source contact the power source manufac turer s local dealer or representative HAZARD AND INSTRUCTION DEFINITIONS The following are used to alert maintenance per sonnel to procedures which requi...

Page 6: ... and cau tiously 7 Drain the pump This pump is designed to handle most non volatile non flammable liquids containing specified entrained solids Do not attempt to pump volatile corro sive or flammable liquids which may damage the pump or endanger person nel as a result of pump failure Death or serious personal injury and damage to the pump or components can occur if proper lifting procedures are no...

Page 7: ...re within the pump can cause parts being disen gaged to be ejected with great force Al low the pump to cool completely before servicing This pump may be used to handle mate rials which could cause illness through direct exposure or emitted fumes Wear adequate protective clothing when working on the pump or piping Pumps and related equipment must be in stalled and operated according to all na tiona...

Page 8: ...nce the pressure supplied to the pump is critical to performance and safety be sure to limit the incoming pressure to 50 of the maximum permissible operating pressure as shown on the pump performance curve For further assistance contact your Gorman Rupp distributor or the Gorman Rupp Company Pump Dimensions See Figure 1 for the approximate physical dimen sions of this pump OUTLINE DRAWING Figure 1...

Page 9: ... when lifting Suction and dis charge hoses and piping must be re moved from the pump before lifting Lift the pump or component only as high as necessary and keep personnel away from suspended objects Lifting Pump unit weights will vary depending on the mounting and drive provided Check the shipping tag on the unit packaging for the actual weight and use lifting equipment with appropriate capacity ...

Page 10: ...n to the pump at any point along the suction run air pockets will be created Fittings Suction lines should be the same size as the pump inlet If reducers are used in suction lines they should be the eccentric type and should be in stalled with the flat part of the reducers uppermost to avoid creating air pockets Valves are not nor mally used in suction lines but if a valve is used install it with ...

Page 11: ...pe submergence required may be reduced by installing a standard pipe increaser fitting at the end of the suction line The larger opening size will reduce the inlet velocity Calculate the required submergence using the following formula based on the increased opening size area or diameter Figure 1 Recommended Minimum Suction Line Submergence vs Velocity DISCHARGE LINES Siphoning Do not terminate th...

Page 12: ...The pump casing feet and or pedestal feet and the driver mounting bolts should also be tightly secured When checking alignment disconnect the power source to ensure that the pump will remain inoperative Adjusting the alignment in one direction may alter the alignment in another direc tion check each procedure after altering alignment Coupled Drives When using couplings the axis of the power source...

Page 13: ... on both halves of the coupling the coupling is in horizontal parallel alignment If the coupling is misaligned use a feeler gauge between the coupling and the straightedge to measure the amount of misalign ment Do not operate the pump without the guard in place over the rotating parts exposed rotating parts can catch cloth ing fingers or tools causing severe in jury to personnel ...

Page 14: ...he operations manual furnished with the power source Rotation The correct direction of pump rotation is counter clockwise when facing the impeller The pump could be damaged and performance adversely af fected by incorrect rotation If pump performance is not within the specified limits see the curve on page E 1 check the direction of power source ro tation before further troubleshooting If an elect...

Page 15: ...f a suction strainer has been shipped with the pump or installed by the user check the strainer regularly and clean it as necessary The strainer should also be checked if pump flow rate begins to drop Monitor and record the vacuum suction gauge readings regularly to detect strainer block age Never introduce air or steam pressure into the pump casing or piping to remove a blockage This could result...

Page 16: ... Section E Main tenance and Repair Bearing overheating can also be caused by shaft misalignment and or ex cessive vibration When pumps are first started the bearings may seem to run at temperatures above normal Con tinued operation should bring the temperatures down to normal levels Air Compressor The air compressor was lubricated for test at the factory However always check the lubrication lev el...

Page 17: ......

Page 18: ...rrect leak Lining of suction hose collapsed Replace suction hose Leaking or worn seal or pump gasket Check pump vacuum Replace leaking or worn seal or gasket Air compressor damaged or belts bro ken Check and repair replace Eductor clogged Check and clean eductor PAH SERIES OM 06674 TROUBLESHOOTING PAGE D 1 TROUBLESHOOTING SECTION D Review all SAFETY information in Section A Before attempting to op...

Page 19: ... at maximum governed speed Discharge flow too slow Dilute if possible Suction check valve or foot valve clogged or binding Clean valve Suction intake not submerged at proper level or sump too small Check installation and correct submergence as needed EXCESSIVE NOISE Cavitation in pump Reduce suction lift and or friction losses in suction line Record vac uum and pressure gauge readings and consult ...

Page 20: ...ce schedule will help assure trouble free performance and long life from your Gorman Rupp pump For specific questions con cerning your application contact your Gorman Rupp distributor or the Gorman Rupp Company Record keeping is an essential component of a good preventive maintenance program Changes in suction and discharge gauge readings if so equipped between regularly scheduled inspec tions can...

Page 21: ...Impeller Clearance Back Plate I Check Valve I Pressure Relief Valve If So Equipped C Pump and Driver Alignment I Shaft Deflection I Bearings I Bearing Housing I Piping I Driver Lubrication See Mfgr s Literature Legend I Inspect Clean Adjust Repair or Replace as Necessary C Clean R Replace Service interval based on an intermittent duty cycle equal to approximately 4000 hours annually Adjust schedul...

Page 22: ...vel with minimum suction lift Since pump installations are seldom identical your performance may be dif ferent due to such factors as viscosity specific gravity elevation temperature and impeller trim If your pump serial number is followed by an N your pump is NOT a standard production model Contact the Gorman Rupp Company to verify per formance or part numbers Pump speed and operating condition p...

Page 23: ...OM 06674 PAH SERIES MAINTENANCE REPAIR PAGE E 2 PARTSPAGE ILLUSTRATION Figure 1 Pump Model PAH10A60C B ...

Page 24: ...F 20 GASKET 38685 808 18000 1 21 LOCK WASHER J14 15991 12 22 HEX NUT D14 15991 12 23 PIPE PLUG P04 15079 1 24 SUCT SUPPORT ASSY 41888 301 24150 1 25 HEX HEAD CAP SCREW B0805 15991 4 26 12 SPOOL FLANGE 38642 622 10000 1 27 GASKET 4 25113 034 1 28 4 BLIND FLANGE ASSY 42111 358 1 WARNING PLATE 2613EV 13990 1 DRIVE SCREW BM 04 03 17000 4 29 LOCK WASHER J10 15991 8 30 HEX HEAD CAP SCREW B1007 15991 8 3...

Page 25: ...OM 06674 PAH SERIES MAINTENANCE REPAIR PAGE E 4 ILLUSTRATION Figure 2 46133 503 Pump End Assembly ...

Page 26: ...OW 1 2 REPAIR ROTATING ASSEMBLY 44163 565 1 3 PIPE PLUG P08 15079 3 4 PIPE PLUG P04 15079 1 5 STUD C1412 15991 12 6 A HD SET SCREW GA0601 1 2 17090 2 7 O RING 25152 391 1 8 LOCK WASHER J14 15991 12 9 HEX NUT D14 15991 12 10 WEAR RING 38691 639 11010 1 11 STUD C1414 15991 12 INCLUDED W REPAIR PUMP CASING ASSY 46474 357 1 INDICATES PARTS RECOMMENDED FOR STOCK ...

Page 27: ...OM 06674 PAH SERIES MAINTENANCE REPAIR PAGE E 6 ILLUSTRATION Figure 3 44163 565 Repair Rotating Assembly ...

Page 28: ...NG 25152 177 1 14 LOCK WASHER J10 15991 8 14A LOCK WASHER J10 15991 8 15 HEX HEAD CAP SCREW B1007 15991 8 15A HEX HEAD CAP SCREW B1007 15991 8 16 PEDESTAL 38257 314 10000 1 17 PIPE PLUG P12 15079 2 17A BEARING CAVITY DRAIN PLUG P12 15079 2 17B SEAL CAVITY DRAIN PLUG P12 15079 1 18 DRIVE FLANGE SAE 0 38545 022 10000 1 19 OIL SEAL 25227 862 1 20 GASKET 38683 668 19370 1 21 BEARING LOCKNUT 23962 017 ...

Page 29: ...OM 06674 PAH SERIES MAINTENANCE REPAIR PAGE E 8 ILLUSTRATION SEE FIGURE 7 FOR AIR COMPRESSOR WIRING SCHEMATIC Figure 4 46181 913 Air Compressor Assembly ...

Page 30: ...1 13 BRACKET ASSEMBLY 41888 313 24150 1 14 LOCK WASHER J08 15991 10 15 FLAT WASHER K08 15991 6 16 HEX NUT D08 15991 10 17 HEX HEAD CAP SCREW B0810 15991 4 18 SPACER 31131 104 15000 4 19 HEX HEAD CAP SCREW B0806 15991 6 20 HEX NUT D05 15991 2 21 LOCK WASHER J05 15991 2 22 HEX HEAD CAP SCREW B0504 15991 2 23 BRACKET 33571 001 15120 1 24 MOUNTING BRACKET 34455 022 15080 1 25 LOCK WASHER J04 15991 8 2...

Page 31: ...it ITEM NO PART NAME PART NUMBER MAT L CODE QTY 1 BALL VALVE 26631 054 1 2 STREET ELBOW RS16 11999 1 3 PRIMING CHAMBER ASSEMBLY 46112 709 1 4 HEX NUT D08 15991 4 5 LOCK WASHER J08 15991 4 6 STUD C0809 15991 4 7 BAFFLE 31113 011 17000 1 8 GASKET 38687 053 19060 1 INDICATES PARTS RECOMMENDED FOR STOCK ...

Page 32: ...S LIST ITEM NO PART NAME PART NUMBER MAT L CODE QTY 1 PRIMING VALVE 26664 007 1 ORIFICE BUTTON 26688 021 1 2 HEX HD CAPSCREW B0806 15991 8 3 LOCKWASHER J08 15991 8 4 PRIMING VALVE GASKET 38683 657 19060 1 5 PRIMING CHAMBER 38343 020 10000 1 6 STRAINER ASSY 46641 222 17000 1 INDICATES PARTS RECOMMENDED FOR STOCK ...

Page 33: ...OM 06674 PAH SERIES MAINTENANCE REPAIR PAGE E 12 ILLUSTRATION Figure 7 Air Compressor Wiring Schematic ...

Page 34: ...ch could damage equipment and to those which could be dangerous to personnel How ever this manual cannot possibly antici pate and provide detailed instructions and precautions for every situation that might occur during maintenance of the unit Therefore it is the responsibility of the owner maintenance personnel to ensure that only safe established main tenance procedures are used and that any pro...

Page 35: ... the orifice button from the linkage bar Discharge Check Valve Removal and Disassembly Figure 1 Support the discharge check valve assembly 33 using a sling and a suitable lifting device Remove the mounting hardware not shown and separate the discharge check valve assembly and gasket from the pump assembly 1 The flapper and cover O ring are the only service able parts of the check valve If the flap...

Page 36: ...rom the ped estal 16 Position the seal plate on a flat surface with the impeller side down Use a wooden dowel or other suitable tool to press on the back side of the stationary seat until the seat and O ring can be removed Remove the seal plate O ring 31 If no further disassembly is required refer to Seal Reassembly And Installation Removing Air Compressor Figure 1 Further disassembly of the pump ...

Page 37: ... securing the air compressor assembly 1 to the bracket 12 Use a pry bar to raise the air compressor high enough to remove the spacers 18 Remove the belt 9 from the air compressor drive pulley not shown Remove the hardware 3 4 15 and 18 securing the pedestal 16 Figure 3 to the support assembly 17 Support the pedestal using a hoist and sling and remove the coupling from the impeller shaft 26 Figure ...

Page 38: ... Bearings must be kept free of all dirt and foreign material Failure to do so will great ly shorten bearing life Do not spin dry bearings This may scratch the balls or races and cause premature bearing fail ure Rotate the bearings by hand to check for rough ness or binding and inspect the bearing balls If ro tation is rough or the bearing balls are discolored replace the bearings The bearing toler...

Page 39: ...2A in the pedestal with the lip positioned as shown in Figure 6 Make sure the oil seal is just flush with the machined face of the ped estal I D Slide the shaft into the pedestal bore until the in board bearing 28 is past the bore for the outboard bearing 23 Use a pair of snap ring pliers to install the retaining ring 24 in the groove in the pedestal I D Continue to slide the shaft and assembled b...

Page 40: ...essive heat sparks and flame Read and follow all precautions printed on solvent contain ers A new seal assembly should be installed any time the old seal is removed from the pump Wear patterns on the finished faces cannot be realigned during reassembly Reusing an old seal could result in prema ture failure Handle the seal parts with extreme care to prevent damage Be careful not to contaminate prec...

Page 41: ...f the oil seal 12 and press it into the pedestal bore with the lip positioned as shown in Figure 6 Make sure the oil seal is just flush with the outer face of the pedestal Use caution not to cut the lip of the oil seal on the shaft keyway Inspect and remove any sealant shavings from the O D of the lip seal Lubricate the O ring 13 with light grease and in stall it in the groove in the pedestal Posi...

Page 42: ... No 243 or equivalent compound to the threads of the setscrews 6 and install them in the holes in the wear ring until snug The wear ring must seat squarely in the pump casing or binding and or excessive wear will result Lubricate the O ring 7 with light grease and install it in the groove in the O D of the seal plate Carefully position the pump casing over the impel ler Install the hardware 8 and ...

Page 43: ...e air dis charge tubing to the priming chamber assembly LUBRICATION Seal Assembly Figure 3 Before starting the pump remove the air vent and reducer bushing 9 and 11 and fill the seal cavity with approximately 220 ounces 6 5 liters of SAE No 30 non detergent oil to the middle of the sight gauges 10 and maintain it at the middle of the gauges Clean and reinstall the air vent and bush ing Maintain th...

Page 44: ...For Warranty Information Please Visit www grpumps com warranty or call U S 419 755 1280 Canada 519 631 2870 International 1 419 755 1352 GORMAN RUPP PUMPS ...

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