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Weir Roto-Jet RO III 3x2, Disassembly-Assembly Manual

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Weir Roto-Jet RO III 3x2 Disassembly-Assembly Manual Download Page 24

 

RO/ROH 3x2 

20 

2.8.4.13. 

Replace seal hub (55), if required seal hub radial runout must be 

checked and adjusted as required.  reference section 2.8.6 for seal hub 
replacement. 

 

2.8.4.14. 

Slide seal plate (70) into endbell (26) with seal outward and drain 

hole to bottom of pump.  Install 4 socket head capscrews and hand 
tighten.  Mount dial indicator on seal hub to measure radial runout of the 
seal plate register diameter (see figure 2.8 "B").  Max TIR = .002 inch 
(.051 mm).  Slowly turn hub using pump shaft.  Adjust the seal plate by 
gently tapping it on O.D. until the runout is to spec.  Then tighten the 4 
socket head capscrews (71) to 20 ft. lbs. (27 mm), then tighten the 3 set 
screws (80) to 6 ft. lbs. (8mm).  Recheck runout, repeat if necessary. 

 

2.8.4.15. 

Slide mating ring (69) and o-ring on hub (29).  Install hub nut (55) 

and torque to 26 ft. lbs.  (left hand thread). 

 

2.8.4.16. 

Re-assemble per section 2.8.7. 

 

2.8.5.  Rotating Single Seal 3x2 Pump  (standard seal configuration, reference figure 

2.6.2) 

 

2.8.5.1.  Remove Seal (75) from hub (29). 

 

2.8.5.2.  If seal is to be reassembled in unit, note the seal setting before 

removing seal.  On 3-1/2" seals equipped with balance sleeve - remove 
seal, sleeve and o-ring at this time.  On 3-1/4" seals remove seal and o-
ring. 

 

2.8.5.3.  Remove (4) socket head capscrews (18) and then remove seal mating 

plate (70)/mating ring (78) assembly from endbell (26). 

 

2.8.5.4.  Remove mating ring (78) and o-ring (69) from seal mating plate and 

clean mating ring cavity. 

 

2.8.5.5.  Seal hub (29) replacement, if required, for replacement of damaged 

hub.  See section 2.8.6. 

 

2.8.5.6.  Install new o-ring (69) in seal mating plate (70) and apply light oil to seal 

cavity. 

 

2.8.5.7.  Install seal mating ring (78) in seal mating plate (70). Caution to be 

taken to avoid chipping face. 

 

2.8.5.8.  Slide seal mating plate (70) into endbell (26) with seal facing outward.  

1/2" hole to bottom of pump.  Install 4 socket head capscrews (71), 
torque to 20 ft. lbs. 

 

2.8.5.9.  Slide seal (75) onto hub (29) and set to previous setting or 

manufacturer's recommended height.  Using set screws, torque to 40 
in. lbs. 

 

Summary of Contents for Roto-Jet RO III 3x2

Page 1: ...Disassembly Assembly Manual RO III 3x2 ROH III 3x2 RJ DA 2 7 19 Excellent Engineering Solutions ...

Page 2: ......

Page 3: ... 5 2 4 RO ROH 3x2 Pump Section Drawing 6 2 4 1 Parts List RO III ROH III 3 x 2 Pump 7 2 5 RO ROH III Rotor Assembly Section Drawing 10 2 5 1 Parts List RO III ROH III 3x2 Rotor Assembly 11 2 6 Seal Parts Lists 13 2 6 1 Parts List Stationary Single Seal 3x2 Pump 13 2 6 2 Parts List Rotating Single Seal 3x2 Pump 14 2 6 3 Parts List Double Seal 3x2 Pump 15 2 7 Cautions 16 2 8 Seal Replacement 16 2 9 ...

Page 4: ... of Contents Continued ii 3 DRIVE BEARING CONVERSION 28 4 HYDROSTATIC PRESSURE TEST 29 5 ROTOR ASSEMBLY BALANCING 29 6 PARTS 31 6 1 Minimum Recommended Spare Parts 31 6 2 Parts List Auxiliary Equipment 33 6 3 Ordering Parts 33 7 MAINTENANCE RECORD 34 8 APPENDIX A 34 ...

Page 5: ... the directions in this manual If additional copies are required or other detailed instructions are needed the information may be obtained upon request 1 2 Roto JetPumpDesign The exclusive patented Roto Jet pump has only two basic working parts a rotating case and a stationary pick up tube collector arm within the rotating case The Roto Jet design completely eliminates the need for packing glands ...

Page 6: ...following are recommended dismantling and assembly instructions for your Roto Jet pump We urge that the instructions be read thoroughly before attempting to dismantle the unit The component parts must be handled with care during the dismantling and assembly process The work area should be clean and be equipped with the required tools Depending on the accessibility of the pump and the extent of the...

Page 7: ...22 Tool box 32 x 8 1 2 x 9 1 060095050 Adapter Torque Wrench F Bearing Locknut 1 060580571 Adapter Torque Wrench F Bearing Locknut 1 060582334 Adapter Torque Wrench Seal Hub Nut 3 1 2 Dia 1 060582422 Plate 2 x 2 x 1 4 3 060582336 Socket 1 4 Hex Bit x 1 2 Lg 3 8 Drive 1 060582391 Seal Puller 1 060582418 PURCHASED TOOLS Eyebolt 1 2 13 x 1 1 2 Lg Shank 3 060055411 Eyebolt 5 8 11 x 1 1 2 Lg Shank 3 06...

Page 8: ...049 Depth Micrometer 0 3 6 Base 1 060095051 Indicator Test Dial 0005 1 060095053 Magnetic Base Test Indicator 1 060095054 Tester V Belt Tension 1 060095057 Legs Puller 16 1 2 1 Pr 060095025 Legs Puller 22 1 2 1 Pr 060095056 Scriber O ring Remover 1 060095045 ACCESSORIES Pump Assembly Stand Kit Includes stand swivel hoist ring 1 060580652 K1 Rotor Assembly Stand 1 0665443 01 Ring Swivel Hoist D Rin...

Page 9: ...RO ROH 3x2 5 2 3 Disassembly AssemblyStands CAUTION When lifting the pump into the vertical position with or without the assembly stand a swivel hoist ring shall be used in place of the lifting eye bolt ...

Page 10: ...OH 3x2 6 2 4 RO ROH3x2PumpSectionDrawing Torque Table Item Ft Lbs N M 45 175 237 55 26 35 57 10 14 58 54 73 60 104 141 61 104 141 62 139 188 63 104 141 64 26 35 71 20 27 72 28 38 74 10 14 80 6 8 Figure 2 4 ...

Page 11: ...ver Bearing Housing 0655517 22 2 Ring Oiler 0655547 22A 2 Bronze Oil Ring ROH ONLY 0655547 2 24 3 Plug Socket Head Manifold Steel Stainless Steel 060067736 060067741 26 1 Endbell 0662568 1 29 1 Hub Seal Single Rotating Seal Single Stationary and Double Seal 0662849 1 0662567 1 30 2 Retainer Oil Ring 0655583 31 1 Case Rotor Standard High Speed Option 0653206 0655589 32 4 Stud Manifold 0655592 33 1 ...

Page 12: ...56866 40 1 Bushing Throttle 0662571 1 41 2 Plug Pipe Soc Hd 0663203 42 2 Plug Endbell 060067738 43 1 Key Driveshaft 060076024 44 2 O ring Seal Stationary Face 060083941 45 4 Nut Hex Manifold 060081111 48 1 O ring Manifold Plug 060083683 49 1 O ring Pick up Tube 060083684 50 1 O ring Manifold 060083913 51 1 O ring Seal Hub 060083663 52 1 O ring Bearing Cap 060083686 53 2 O ring Oil Ring Retainer 06...

Page 13: ... 69 1 O ring Seal Mating Ring 060083940 69A 1 O ring Seal Mating Ring 060083942 70 1 Plate Seal 0662570 1 70B 1 Plate Seal Mating Ring 0662848 1 71 4 Capscrew Soc Head Seal Plate 0662650 72 5 Capscrew Soc Head Seal Hub 060088926 73 1 Plate Warning Direct Drive 0655541 74 5 Set Screw Seal Hub 0662651 75A 1 Seal Single Stationary Face See Section 2 6 75B 1 Seal Double Stationary Face See Section 2 6...

Page 14: ...RO ROH 3x2 10 2 5 RO ROHIIIRotorAssemblySectionDrawing Torque Table Item No Ft Lbs N M 7 100 136 8 13 18 46 175 237 47 400 542 Figure 2 5 ...

Page 15: ...d and Balanced X X X X X X 0659264 Steel RO 3x2 Balanced X X X X X X 0660554 004 Ductile Iron ROB 3x2 Stacked and Balanced X X X X X X 0660554 002 Ductile Iron ROA 3x2 Stacked and Balanced X X X X X X 0660675 001 Ductile Iron RO 3x2 Balanced X X X X X X Part No 0656217 0656756 0655555 0681810 0659627 0661853 002 0661853 001 0661853 0661853 005 0661853 004 0659204 060083904 060088578 060068656 0600...

Page 16: ...ked and Balanced X X X X X X X X X X X X X X 0660573 Steel ROA 3x2 Stacked and Balanced X X X X X X X X X X X X X X 0659264 Steel RO 3x2 Balanced 0660554 004 Ductile Iron ROB 3x2 Stacked and Balanced X X X X X X X X X X X X X X 0660554 002 Ductile Iron ROA 3x2 Stacked and Balanced X X X X X X X X X X X X X X 0660675 001 Ductile Iron RO 3x2 Balanced Part No 060052137 060052138 060052138 060052243 0...

Page 17: ...rbon Standard Seal Kit Bellows Carbon Seal Kit Pusher Tungsten Carbide 0661130 001 0661267 0661268 Consisting Of 75A 1 Seal Pusher Carbon Seal Bellows Carbon Seal Pusher Tungsten Carbide 060087015W 060087016 060087031 44 78 69 49 50 1 1 1 1 1 O Ring Seal Mating Ring Tungsten Carbide O Ring Mating Ring O Ring Pick up Tube O Ring Manifold 060083941 0656552 060083940 060083684 060083913 ...

Page 18: ...ws Tungsten Carbide 060087002 060087027 060087018 Consisting Of 75C 1 Seal Bellows Carbon Seal Bellows Carbon Seal Bellows Tungsten Carbide 060087022 060087022 060087030 79 1 O Ring Seal 060083943 78 1 Mating Ring Ceramic Mating Ring Tungsten Carbide Mating Ring Tungsten Carbide 0658297 100 0658298 100 0658298 100 69 49 50 1 1 1 O Ring Mating Ring O Ring Pick up Tube O Ring Manifold 060083942 0600...

Page 19: ...ellows Carbon Seal Kit Pusher Tungsten Carbide 0658301 0658302 0659523 Consisting Of 75B 2 Seal Pusher Carbon Face Seal Bellows Carbon Face Seal Pusher Tungsten Carbide 060087015W 060087016 060087031 44 78 69 49 50 2 1 1 1 1 O Ring Seal Mating Ring Tungsten Carbide O Ring Mating Ring O Ring Pick up Tube O Ring Manifold 060083941 0656552 060083940 060083684 060083913 ...

Page 20: ...ing assembly 2 7 6 Be sure all parts are free of dirt stray metal chips or any foreign matter and have been thoroughly cleaned 2 7 7 All torque values given assume lubrication with an anti seize agent to threads and underside of bolt heads 2 7 8 WARNING When lifting the pump into the vertical position with or without the use of the assembly stand a swivel hoist ring shall be used in place of the l...

Page 21: ...e manifold 36 Now the plug 33 can be removed 2 8 2 2 Remove the 8 socket head capscrews 64 which secure the pick up tube 1 2 8 2 3 Push pick up tube 1 inward until free of o ring 49 Recommended use of pick up tube guide P N 0600580574 2 8 2 4 Remove 4 hex nuts 45 which mount manifold 36 to endbell 26 2 8 2 5 Pull manifold 36 away from endbell 26 When manifold 36 is free of studs 32 remove pick up ...

Page 22: ...e seal plate 70 and seal 75 from the endbell 26 2 8 3 4 Remove seal cartridge 75 and o ring 44 from seal plate 70 Clean seal cavity 2 8 3 5 Replace seal hub 29 if required seal hub radial runout must be checked and adjusted as required Reference section 2 8 6 for seal hub replacement 2 8 3 6 Install new o ring 44 in seal plate 70 Apply light oil to seal cavity 2 8 3 7 Install and seat seal 75 in s...

Page 23: ...anifold 36 so the 2 NPT discharge is facing downward Flanged manifolds turn the manifold 36 so the 2 port for the plug 33 is facing downward 2 8 4 2 Remove seal spacer 76 seal 75 and o ring 44 from manifold 36 Clean seal cavity 2 8 4 3 Lubricate cavity with light oil 2 8 4 4 Apply o ring lube to new o ring 44 and in install manifold 36 2 8 4 5 Install and seat seal 75 in manifold cavity Caution to...

Page 24: ... standard seal configuration reference figure 2 6 2 2 8 5 1 Remove Seal 75 from hub 29 2 8 5 2 If seal is to be reassembled in unit note the seal setting before removing seal On 3 1 2 seals equipped with balance sleeve remove seal sleeve and o ring at this time On 3 1 4 seals remove seal and o ring 2 8 5 3 Remove 4 socket head capscrews 18 and then remove seal mating plate 70 mating ring 78 assemb...

Page 25: ...y tapping the flange O D until the runout is to spec Then tighten the 5 socket head capscrews to 28 ft lbs 38 NM Recheck runout of hub and repeat if necessary Tighten 5 set screws to 10 ft lbs 14 NM 2 8 7 Assembly Manifold Reference Figure 2 4 2 8 7 1 Clean cavity lubricate new pick up tube o ring 49 with o ring lube and install in manifold 36 2 8 7 2 Lubricate manifold seal o ring 44 and install ...

Page 26: ...er drain plugs 8 Inspect and replace if necessary 2 9 3 2 Identify rotor cover capscrews 7 to their location so that they may be re assembled in same location 2 9 3 3 Remove the sixteen rotor cover socket head capscrews 7 Thread three jackscrews evenly into the three tapped jackscrew holes in the rotor cover until it is released from the rotor 2 9 3 4 Replace the three jackscrews with three 1 2 ey...

Page 27: ...oist ring torque to 100ft lbs Once the pump is re assembled and in the horizontal position remove the swivel hoist and re install the lifting eye Reference APPENDIX A Drawing 2 10 1 Preparation Remove pick up tube per section 2 9 1 to 2 9 3 2 10 2 Rotor assembly removal Reference Figure 2 5 2 10 2 1 Recommended the unit be mounted vertically with the shaft downward and the rotor facing upward when...

Page 28: ...knut torque wrench adapter and discard nut 2 10 3 4 Slide off the rotor end oil slinger 19 Install three jackscrews in the tapped holes in the bearing retainer 15 Place a plate of steel under each of the capscrews between the fins on the rotor 3 and bearing retainer Torque these three capscrews evenly until the rotor bearing 11 and the bearing sleeve 25 comes loose from the driveshaft CAUTION Unev...

Page 29: ...outer spacer of the matched pair of bearing spacers 23 on the thrust bearing Heat a new radial bearing 13A to 150 175 F Check the temperature with a heat stick Then place it on the shaft against the inner bearing spacer with the wide face of the inner race facing away from the bearing spacer 2 10 4 11 For Model RO B Heat the inner race of a new roller bearing 13B to 150 175 F Check the temperature...

Page 30: ... in both pieces will be aligned B The shaft does not cock and bind the bearings C The eyebolts have a long enough shank so that they will clear the rotor housing 31 after the rotor 3 and shaft 5 are in place 2 10 5 4 Remove the alignment tool 2 10 5 5 Install the three bearing retainer to pedestal capscrews 58 Torque to 54 ft lbs 2 10 5 6 Install the pick up tube 1 per section 2 9 3 to 2 9 5 2 10 ...

Page 31: ... Pumps 2 10 6 2 Tilt the pump from its vertical position to a horizontal position Remove the capscrews 60 and bearing cap 14 Install the required number of shims 38 as shown in assembly drawings Figure 2 4 2 10 6 3 Replace the bearing cap 14 and the three capscrews 60 and torque to 104 ft lbs Be sure the o ring 52 is in place 2 10 6 4 Return the pump to vertical position Again measure dimension B ...

Page 32: ... so that they may be reassembled with the same relative positions for balance considerations Thread two capscrews evenly into the two tapped jackscrew holes in the driveshaft flange until the driveshaft is released from the rotor 2 11 3 Hydrostatic pressure test Pressure test if desired can be performed per section 4 0 2 11 4 Rotor installation Heat the driveshaft bore 1 in the rotor 3 to 140 160 ...

Page 33: ...k the temperature with a heat stick Place the bearing on the shaft with the wide shoulder of the inner race against the oil slinger 3 1 2 5 Install the inner spacer of the matched pair of bearing spacers 23 3 1 2 6 Heat the inner race of a new roller bearing 13B to 150 175 degrees F and place it on the shaft against the inner bearing spacer 3 1 2 7 Install the outer race of the roller bearing 13B ...

Page 34: ...haft rotororrotorcoverreplaced the rotorassemblymustbedynamicallybalancedinaccordancewith section5 5 5 2 Rotorcoverinstallation Lubricateandinstallo ring 6 onthelipoftherotor 3 Lubricatetheo ringboreintherotorcoverwhichengagestheo ring Placetherotorcoverontherotor Besureall holesintheperipheryoftherotorcoverlineupwiththetappedholesintherotor astheholepattern isnotsymmetrical Makesurerotorcapscrews...

Page 35: ...1017 06P661017 001 1 1 Seal Kit standard Single Rotating Single Stationary Double Stationary 060087002 0661130 001 0658301 1 1 1 Pick up Tube Replacement Kit Nitrile 06P661017 003 1 Hub Nut Stationary Seal 0655735 1 Pedestal Cover Gasket 0655601 1 Rotor Cover Drain Plug Nitrile Stainless Steel Steel 060068677 060068656 2 2 ...

Page 36: ...RO ROH 3x2 32 Pump may have been purchased with special seal kit Be sure to order correct seal kit Refer to section 2 6 ...

Page 37: ...anufactured is on file at the factory and in case some special part is needed it can be provided if the correct model and serial number is given Many unnecessary errors and delays may be eliminated by observing the following instructions Your parts order should state 1 Model and serial number of pump 2 Part number description and quantity required 3 Your company name address and zip code clearly 4...

Page 38: ...RO ROH 3x2 34 7 MAINTENANCE RECORD DATE SERIAL NO MAINTENANCE RECORD BY ...

Page 39: ...RO ROH 3x2 35 8 APPENDIX A When using the swivel hoist use in place of this lifting eye ...

Page 40: ...ervice and technical assistance please contact our factory for the distributor or representative nearest to your project Weir Specialty Pumps 440 West 800 South Salt Lake City UT 84101 USA P O Box 209 UT 84110 0209 Tel 801 359 8731 Fax 801 530 7828 info weirsp com www weirpowerindustrial com Excellent Engineering Solutions ...

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