Rotech ANSI LTR Installation, Operation & Maintenance Manual Download Page 47

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Bearing Fits & Tolerances

All dimensions in inches and (mm)

STR

MTR

LTR

XLR

Shaft O. D.

Inboard

1.3785 (35.013)
1.3781 (35.002)

1.7722 (45.013)
1.7718 (45.002)

2.1660 (55.015)
2.1655 (55.002)

2.5597 (65.015)
2.5592 (65.002)

Clearance

0.0010 (0.025) tight
0.0001 (0.002) tight

0.0012 (0.030) tight
0.0001 (0.002) tight

1.3780 (35.000)
1.3775 (34.988)

1.7717 (45.000)
1.7712 (44.988)

2.1654 (55.000)
2.1648 (54.985)

2.5591 (65.000)
2.5585 (64.985)

Frame I. D.

Inboard

2.8346 (72.000)
2.8353 (72.019)

3.9370 ( 100.000)

3.9379 (100.022)

4.7244 (120.000)
4.7253 (120.022)

5.5118 (140.000)
5.5128 (140.025)

Clearance

0.0012 (0.032) loose
0.0000 (0.000) loose

0.0015 (0.037) loose
0.0000 (0.000) loose

0.0017 (0.043) loose
0.0000( 0.000) loose

Bearing O.

D. Inboard

2.8346 (72.000)
2.8341 (71.987)

3.9370 ( 100.000)

3.9364 (99.985)

4.7244 (120.000)
4.7238 (119.985)

5.5118 (140.000)
5.5111 (139-982)

Shaft O. D.

Outboard

1.1815 (30.011)
1.1812 (30.002)

1.7722 (45.013)
1.7718 (45.002)

1.9690 (50.013)
1.9686 (50.002)

2.5597 (65.015)
2.5592 (65.002)

Clearance

0.0008 (0.021) tight
0.0001 (0.002) tight

0.0010 (0.025) tight
0.0001 (0.002) tight

0.0010 (0.025) tight

0.0001 (0.002) tight

0.0012 (0.030) tight
0.0001 (0.002) tight

1.1811 (30.000)
1.1807 (29.990)

1.7717 (45.000)
1.7712 (44.988)

1.9685 (50.000)
1.9680 (49.988)

2.5591 (65.000)
2.5585 (64.985)

Housing I.

D. Outboard

Bearing I.D.

inboard

Bearing I.D.

Outboard

2.8346 (72.000)
2.8353 (72.019)

3.9370 ( 100.000)

3.9379 (100.022)

4.3307 (110.000)
4.3316 (110.022)

5.5118 (140.000)
5.5128 (140.025)

Clearance

0.0012 (0.032) loose
0.0000 (0.000) loose

0.0015 (0.037) loose
0.0000 (0.000) loose

0.0017 (0.043) loose
0.0000( 0.000) loose

Bearing O.

D. Outboard

2.8346 (72.000)
2.8341 (71.987)

3.9370 ( 100.000)

3.9364 (99.985)

4.3307 (110.000)
4.3301 (109.985)

5.5118 (140.000)
5.5111 (139-982)

Summary of Contents for ANSI LTR

Page 1: ...ANSI Pump Series INSTALLATION OPERATION MAINTENANCE MANUAL...

Page 2: ...haser 2 In the case of equipment or components which are not manufactured by Rotech but supplied by Rotech For Example Electric motors engines trade accessories etc The warranty is limited of such equ...

Page 3: ...Pump and Equipment Storage of Pump and Equipment INSTALLATION 04 Preparation Foundation Coupling Alignment Procedure Piping OPERATION 08 Preparation for start up Initial Starting Final Alignment Stuff...

Page 4: ...ew and part list APPENDIX 3 36 Maintenance instructions for Inpro Seal VBX bearing isolators Details of Operations Disassembly Procedures Installation Procedures APPENDIX 4 37 Dimensional Data Basepla...

Page 5: ...FOREWORD Rotech ANSI pumps are designed and manufactured for optimum performance and long trouble free service Preventive maintenance is a key factor for long life and safe operation of pump This manu...

Page 6: ...mits self priming 1196 1796 1196 LF Self venting Top centerline discharge Fully confined gasket Integral foot support IMPELLER Open impeller Threaded to shaft Sealed with Teflon o Ring Open impeller T...

Page 7: ...ump other equipment is in good condition and did not damage in transportation If there is any damage immediately report to shipper Rotech Distributor or your supplier 4 Use proper procedure unloading...

Page 8: ...ooting The foundation should be of heavy construction to reduce vibration and must be rigid enough to resist the torque it may be subjected to The foundation should be 2 to 6 larger than the base depe...

Page 9: ...fset exceeds 010 realign the coupling If a correction is necessary to either the angular or paral lel alignment remember to recheck the other for proper alignment TABLE 1 COLD SETTING OF PARALLEL VERT...

Page 10: ...on bolts have been tightened 3 When handling liquids at high temperatures it is recommended that expansion loops or joints be properly installed in suction and or discharge lines so that linear expans...

Page 11: ...TION HEAD SUCTION CONDITIONS 1 An isolation valve should be installed in the suction pipe at least four diameters from the suction to allow closing of the line for pump inspection and maintenance 2 Pi...

Page 12: ...osed 4 On pumps using packing it may be necessary to tighten packing gland to prevent pulling of air through shaft clearances After pump is primed properly loosen gland to achieve a slight trickle of...

Page 13: ...or pumpage can quickly lead to pump failure and physical injury WARNING INITIAL STARTING 1 The gate valve in the discharge line should be closed gradually opened as the motor reaches full speed approx...

Page 14: ...he stuffing box 3 Unbolt and remove the stuffing box cover 4 Locate the installation reference dimension on the seal installation drawing Normally this is the dimension from the face of the stuffing b...

Page 15: ...ly 10 Reinstall the coupling guard 11 Unlock power to the pump driver DIAL INDICATOR TECHNIQUE 1 Lock out power to the pump driver 2 Remove the coupling guard 3 Place a dial indicator with a magnetic...

Page 16: ...the packing sealing liquid valve Start Up 1 Rotate the pump by hand making sure that the rotating element is spinning freely 2 Be sure the suction valve is open 3 Partially close the discharge valve...

Page 17: ...INGS All pumps are lubricated at the Rotech plant and should not require additional lubrication for approximately 1200 hours of operation A well planned maintenance sched ule can only be devised after...

Page 18: ...o the correct size otherwise service life is reduced 4 Install one ring at a time Make sure it is clean and has not picked up any dirt in handling If clean oil is available lubricate the shaft and ins...

Page 19: ...ng assembly in impeller housing 26 Torque bolts according to values in Table on page 13 Fig 7 5 Replace shims under frame feet and tighten frame to baseplate A dial indicator should be mounted to meas...

Page 20: ...ime pump Install shorter suction pipe Change motor wiring Back flush pump Remove debris Replace or adjust packing Replace defective part Inspect and replace impeller if needed Replace gasket Back flus...

Page 21: ...t 122 while holding the shaft with a strap wrench or suitable tool that will not mark the shaft 10 Remove the frame adapter by removing two dowel pins and four adapter bolts and then separate the adap...

Page 22: ...inlet outlet plugs and frame foot attachment bolt and foot where applicable 18 Inspect all parts for cracks erosion pitting rusting damaged threads corrosion and groove worn shaft sleeve Replace casin...

Page 23: ...all inboard bearing on shaft If grease lubricated install with shield toward impeller end If oil lubricated there should be no seals or shields 9 Install the outboard labyrinth oil seal in the bearing...

Page 24: ...t insert the lantern ring Make sure to stagger packing joints and lantern ring joint by 90 and be sure lantern ring lines up with flushing connection Install gland halves c Hand tighten nuts You must...

Page 25: ...Dia MAX BHP 250 HP 8 x 10 15G 8 x 10 15 6 x 8 15 8 x 10 13 6 x 8 13 FOR MTR 1 3 4 Shaft Dia MAX BHP 125 HP FOR LTR 2 1 8 Shaft Dia MAX BHP 200 HP 3 x 4 7 3 x 4 8 3 x 4 8G 2 x 3 8 1 x 2 10 2 x 3 10 3...

Page 26: ...t Optional Hastelloy 316SS 316SS Hastelloy Hastelloy Alloy20 Alloy20 Alloy20 Alloy20 CD4MCu CD4MCu 316SS 316SS Hastelloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON...

Page 27: ...23 STR SECTIONAL VIEW 1196 100 101 126 184 108 122 112A 496 332A 134 136 319 168A 333A 250 186 351 412A...

Page 28: ...lloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON SS304 469B Casing Impeller Lantern Ring Stuffing Box Packing Frame Adapter Thrust Bearing Shaft Less Sleeve Optional...

Page 29: ...25 100 101 184 126 370H 186 108 250 168A 122 228 112A 136 332A 134 412A 351 418 333A 360F 319 496 MTR LTR SECTIONAL VIEW 1196...

Page 30: ...lloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON SS304 469B Casing Impeller Lantern Ring Stuffing Box Packing Frame Adapter Thrust Bearing Shaft Less Sleeve Optional...

Page 31: ...27 100 101 184 126 370H 186 108 250 168A 122 228 112A 136 332A 134 412A 351 418 333A 360F 319 496 XLR SECTIONAL VIEW 1196...

Page 32: ...lloy20 CD4MCu CD4MCu 316SS 316SS Hastelloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON 304 SS 496 Casing Impeller Lantern Ring Stuffing Box Packing Frame Adapter Thr...

Page 33: ...29 STR SECTIONAL VIEW 1196LF 100 101 126 184 108 122 112A 496 332A 134 136 319 168A 333A 185 186 351 412A 107...

Page 34: ...elloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON SS304 469B Casing Impeller Lantern Ring Stuffing Box Packing Frame Adapter Thrust Bearing Shaft Less Sleeve Optiona...

Page 35: ...31 MTR LTR SECTIONAL VIEW 1196LF 100 101 184 126 370H 186 108 185 168A 122 228 112A 136 332A 134 412A 351 418 333A 360F 319 496...

Page 36: ...elloy Alloy20 Bronze Aramid Fibre with EPDM Rubber or PTFE Steel Glass Filled TEFLON SS304 469B Casing Impeller Lantern Ring Stuffing Box Packing Frame Adapter Thrust Bearing Shaft Less Sleeve Optiona...

Page 37: ...33 XLR SECTIONAL VIEW 1196LF 100 101 184 126 370H 186 108 250 168A 122 228 112A 136 332A 134 412A 351 418 333A 360F 319 496...

Page 38: ...SECTIONAL VIEW PART LIST 1796 MTR 496 112 136 122 332A 319 228 469B 100 101 358A 250 168 333A 108 418 185 351 STR MTR LTR 34...

Page 39: ...Oil Seal Inboard Casing Gasket Casing Drain Plug Optional Gasket Frame to Adapter Gasket Bearing End Cover Cap Screw Adapter to Casing Jacking Bolt Dowel Pin O ring Bearing House O ring Impeller Lante...

Page 40: ...e the isolator seal 333A stator side in the bore THE EXPULSION PORT MUST BE IN THE 6 O CLOCK POSITION While using a block large enough to cover the entire flange of the isolator use an arbor press to...

Page 41: ...R 2 625 222 2x3 8 A60 2 3 9 5 242 222 3x4 8 A70 3 4 11 280 222 3x4 8G A70 3 4 1x2 10 A05 1 2 8 5 216 204 1 5x3 10 A50 1 5 3 222 2x3 10 A60 2 3 9 5 242 232 3x4 10 A70 3 4 11 280 266 3x4 10H A40 3 4 12...

Page 42: ...165 5 25 133 3 75 95 85 1 x 1 5 4 1 STR MTR OR LTR 2 8 5 216 8 25 210 3 75 95 190 1 x 2 10 1 250 3 10 5 267 10 0 254 3 75 95 290 1 5 x 3 13 1 5 1 5 6 5 165 5 25 133 3 75 95 110 1 x 1 5 8 1 XLR P 13 5...

Page 43: ...onstruction 1 x 1 1 2 6 1 1 2 x 1 1 2 8 2 x 2 10 3 x 3 10 4 x 4 10 Discharge 1 1 1 2 2 3 4 1 1 2 1 1 2 2 3 4 6 1 2 165 6 3 4 171 9 3 16 233 X 7 1 4 184 7 7 8 200 11 1 2 292 170 77 270 123 315 143 370...

Page 44: ...5 4 1 2 42 1 2 1 1 4 3 3 4 3 4 4 1 2 4 215 15 52 6 49 1 2 1 1 4 4 1 8 3 4 4 1 2 5 286 18 58 7 1 2 55 1 2 1 1 4 4 3 4 1 4 1 2 6 365 18 60 7 1 2 57 1 2 1 1 4 4 3 4 1 4 1 2 7 444 26 62 9 1 2 59 1 2 1 1 4...

Page 45: ...86 1 1 82 3 4 2 6 5 6 4 2 14 10 5 1 375 35 1 75 45 2 125 54 2 5 64 1 5 38 2 125 54 2 5 64 3 125 79 Diameter at Impeller Diameter at Coupling Overhang Maximum Shaft Deflection Shaft Deflection Index L...

Page 46: ...C TAP Size of Rings STR 2 00 2 12 3 25 3 8 18 UNC 0 97 1 4 18 NPT 2 39 1 40 2 18 5 16 5 7 16 MTR 2 50 2 62 4 12 1 2 13 UNC 1 56 3 8 18 NPT 3 01 1 78 2 65 3 00 3 8 5 5 8 LTR 2 78 2 62 4 50 1 2 13 UNC...

Page 47: ...8346 72 000 2 8341 71 987 3 9370 100 000 3 9364 99 985 4 7244 120 000 4 7238 119 985 5 5118 140 000 5 5111 139 982 Shaft O D Outboard 1 1815 30 011 1 1812 30 002 1 7722 45 013 1 7718 45 002 1 9690 50...

Page 48: ...mpeller clearance as detailed in IMPELLER CLEARANCE SETTING Page 13 Fig A STR MTR LTR 2 Slightly spread the bottom of the coupling guard half pump end and place it over the pump end plate as shown in...

Page 49: ...the round hole in the front end of the guard half as shown in Figure C Tighten securely Fig C 4 Slightly spread the bottom of the coupling guard half driver end and place it over the coupling guard h...

Page 50: ...he rear of the guard half Finger tighten only Fig E 6 Adjust the length of the coupling guard to completely cover the shafts and coupling as shown in Figure F by sliding the coupling guard half driver...

Page 51: ...after completing maintenance DO NOT resume normal pump operation while the coupling guard is removed 1 Remove the nut bolt and washers from the center slotted hole on the coupling guard Slide the moto...

Page 52: ...1320 Britannia Road East Mississauge Ontario Canada L4W 1C8 Phone 905 461 9617 Fax 905 461 9618 Toll Free 1 866 217 PUMP 7867 Email sales rotechpumps com www rotechpumps com...

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