prog. detencion 16 molino bolas 1 + cambio bba warman n°1 rev0.pdf
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8/11/2019 PROG. DETENCION 16 MOLINO BOLAS 1 + CAMBIO BBA WARMAN N°1 REV0.pdf
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Weir Minerals Division
Weir Minerals México
Minera Mexico, S.A de C.V.
Manual Bomba Warman
Mod. 550 MCR
O/C No: 110026-P001
Tag No: 300-BP-001 / 002 / 003 / 101 / 102 / 103
Serial No: WMM1212-BW02, WMM0113-BH16,
WMM0213-BH04/06, WMM0313-BH01/17
Excellent
Minerals
Solutions
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Certificado por:
Patricia Flores
Fecha: 23/08/12
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Producto 55M18MCRZZZPL1 Atributo WARMAN
HORIZONTAL
PUMP
550
MCR
Clave Descripción Cantidad Unidad1062008000 NIPLE 1.1/4"x 500 mm LG, NPT, INOX. ITEM 1 PIEZA
1062009000 CAPLUGE T‐18 1.1/4" ITEM 747 550 MCH 1 PIEZA
LISTA DE PARTES
WEIR MINERALS MEXICO SA DE CV
M180005 BEARING ASSEMBLY 1 PIEZA
M180076C21 SHAFT SLEEVE DETAIL M180 1 PIEZA
M180306E02 SHAFT WRENCH 1 PIEZA
M180MC55145EL1A0 IMPELLER 1 PIEZA
M180MC55380D20 FRAME PLATE ADAPTER M180 1 PIEZA
M180MCR55032D20 FRM PLT 550MCR 1 PIEZA
M24H1‐60VW PER.HEX. M24 X 60 MM. CL.8.8 C/GOLILLA 6 PIEZA
M30S2‐120H PER. C/CUAD.M‐30 x 120 CLASE 8.8 H/TOTA 2 PIEZA
‐ . . ‐ x . .
M42H2‐100V PER.HEX. M42‐4.5 x 100 MM. CL.8.8 HILO T 8 PIEZA
M42H2‐180V PERNO HEX. M‐42 x 180 MM. HILO TOTAL 6 PIEZA
M42S2‐
140L PERNO
C.CUAD.
M42‐
4.5
x
140
H/TOTAL 12
PIEZAM42Z3‐120VC ESPARRAGO M42‐4.5 X 162 X 42 X 84 MM. 16 PIEZA
M64‐11‐Z FLAT WASHER M64 11 PIEZA
M64H5‐V HEX NUT ZINC PLATED 11 PIEZA
M72‐11‐Z GOLILLA M72 1 PIEZA
M72H5‐V HEX HEAD NUT GR5 1 PIEZA
NPL1989C22 FS NAMEPLATE WARMAN SERIAL # 1 PIEZA
PA91C22 PLACA WARMAN 50,5 X 6 cms. PL‐14 1 PIEZA
SC73C22 FSWARNING TAG HAZARDOUS BURSTG 1 PIEZA
SC80C22 FS WARNING TAG FOR LIFTING PAR 1 PIEZA
SC83C22 FSWARNING PLATE‐IMPELLER REMVL 1 PIEZA
U109S50 O‐RING 2 PIEZA
U111Q25 PACKING RING 4 PIEZA
UMC55018R55 COVER PLATE LINER 550UMCH 1 PIEZA
UMC55043R55 FRAME PLATE LINER 1 PIEZA
UMC55044C23 GLAND, SPLIT 550UMCH 1 PIEZA
UMC55045C23 ANTI‐ROTARION GLAND BOLT 550 UMC 4 PIEZA
UMC55078C23 STUFFING BOX,MACH,550/650MC 1 PIEZA
UMC55118K31 LANTER RESTRICTOR (SPLIT) (A543132000) 1 PIEZA
UMC55372R55 INTAKE JOINT RING 550 MCR/MCU 1 PIEZA
UMCH55489E22 MCR‐550, PASADOR DE ALINEAMIENTO. 4 PIEZA
UMCH65284E47 NUT,M64 ANTI‐ ROTATE 11 PIEZA
UMCR40015AE47 CUTWATER STUD MOLYBOND 11 PIEZA
UMCR55013D20 CVR PLT 550MCR 1 PIEZA
UMCR55015E47 CUTWATER STUD MOLYBOND 1 PIEZA
UMCR55041R55 FRAME PLATE LINER INSERT 1 PIEZA
UMCR55083R55 THRTBSH RUBBER DETAIL 1 PIEZA
UMCR55132S90 DISCHARGE JOINT RING 550MCR 1 PIEZA
UMCR55190D20 SUCTION COVER 550 U‐MCR 1 PIEZA
UMCR55284E47 CUTWATER NUT MOLYBOND 1 PIEZA
WA90C22 PLACA WEIR MINERALS 15X7 cms. PL‐12 1 PIEZA
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10
20
30
40
50
60
70
80
2000 4000 6000 8000
E F F
I C
I E N C Y
N P S H r
200 rpm
250 rpm
300 rpm
350 rpm
375 rpm
50% 60%70%
75%80%
84%
86%
86%
84%
3 . 0 5 m
4 . 5
7 m
6 .1 m
7 . 6 2 m
9 .1 4 m
Duty PointFlow = 4542.0 m³/hrH(SL) = 39.6 m
H(W) = 39.6 mSpeed = 312 rpm
Eff = 83.4 %NPSHr = 3.8 m
Motor HP = 1500SG Slurry = 1.5
1111-136-MEBPF Rev.2
M3 Mexicana, S. de R.L. de C.V.
ITEM 1 to 12TAG N°: 300-BP-001,002,003,101,102,103
Head,H
(m
)
Flow Rate, Q (m³/hr)
Horizontal Pump 550 MCR
URVE SHOWS APPROXIMATE PERFORMANCE FOR CLEAR WATER (ANSI/HI 1.6-2000 Centifugal Pump Test Standard unless otherwise specified). For media other than water,orrections must be made for density, v iscosity and/or other eff ects of solids. WEIR MINERALS reserves the right to change pump performance and/or delete impellers without notice. Framuitability must be checked for each duty and drive arrangement. Not all frame alternatives are necessarily available from each manufacturing centre.
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#
#
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Centrifugal Slurry Pumps
© Weir Minerals North America 2007. Weir Minerals North America is the owner of the pyright in this document. The document and its text, images, diagrams, data andinformation it contains must not be copied or reproduced in whole or in part, in any form by any means, without the prior written consent of Weir Minerals North America.
Co or
Office of origin : Madison Reference : Manual Supplement - MDS12
Date : 4/25/2007 Last Issued: 4/19/2007
WARMAN ASSEMBLYINSTRUCTIONSMODEL MCR MILL CIRCUIT PUMPS(SIZES 250 THROUGH 650)
Ron Bourgeois / Mike VikenProduct Development Manager / Senior Designer
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26/04/2007 © Copyright Weir Minerals North America. 2007 Page 2 of 21
Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
SAFETY INFORMATION
!!WARNING!!WARMAN WOULD LIKE TO BRING TO YOUR ATTENTION THE POTENTIAL HAZARDCAUSED BY THE CONTINUED OPERATION OF CENTRIFUGAL PUMPS WHEN THEINTAKE AND DISCHARGE ARE BLOCKED. EXTREME HEAT IS GENERATED ANDRESULTS IN VAPORIZATION OF THE ENTRAPPED LIQUID. THIS CAN RESULT IN A LIFETHREATENING EXPLOSION.
The operation of centrifugal pumps on slurry applications can increase this potential hazarddue to the nature of the material being pumped. The additional hazard believed to be presentedby slurry applications stem from the possibility of solids blocking the pump discharge andremaining undetected. This situation has been known in some instances to lead to the intakeside of the pump also becoming blocked with solids. The continued operation of the pumpunder these circumstances can be extremely dangerous. If you have an installation that may beprone to this occurrence, we suggest you adopt measures to prevent this blockage situation
!!GENERAL WARNINGS!!
1. DO NOT OPERATE THE PUMP AT LOW OR ZERO FLOW CONDITIONS, OR UNDER ANY CIRCUMSTANCES THAT COULD CAUSE THE PUMPING LIQUID TO VAPORIZE.Slurry pumps should not be operated at flow less than 25% of the best efficiency point for agiven RPM. PERSONAL INJURY AND EQUIPMENT DAMAGE COULD RESULT.
2. The WARMAN PUMP is both a PRESSURE VESSEL and a piece of ROTATINGEQUIPMENT. All standard safety precautions for such equipment should be followed beforeand during installation, operation, and maintenance.
3. UNDER NO CIRCUMSTANCE SHOULD HEAT BE USED TO EXPAND OR CUT ANIMPELLER FROM THE SHAFT. Personal injury and damage to equipment could occur as aresult of an explosion. A shaft wrench has been provided to assist impeller removal. In somecases, a release collar has also been provided to assist impeller removal.
4. DRIVER ROTATION MUST BE CHECKED before belts or couplings are connected.Personal injury and damage to equipment could result from operating the pump in the wrong
direction. Do not touch rotating members with your hand to establish the direction of rotation.
5. For AUXILIARY EQUIPMENT (motors, belt drives, couplings, gear reducers, variable speeddrives, etc.), standard safety precautions should be followed and appropriate instructionmanuals consulted before and during installation, operation, and maintenance.
6. A PUMP SUBJECT TO VACUUM MUST BE ISOLATED during maintenance and non-pumping periods. Failure to isolate properly could allow impeller to “free-wheel”, resulting inequipment damage and personal injury.
7. DO NOT OPERATE THE PUMP without properly installed stuffing box, v-belt and couplingguards in place.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
8. DO NOT OPERATE THE PUMP if solids have settled and the rotating element cannot beturned by hand.
9. Do not feed very hot liquid into a cold pump or very cold liquid into a hot pump. Thermalshock may cause damage to the internal components and rupture the pump casing.
10. Do not start a pump that is rotating in reverse, such as the backward rotation caused byslurry runback. Personal injury and damage to equipment could result.
11. Worn pump components can have sharp or jagged edges. Caution must be taken inhandling worn parts to prevent damage to slings or personal injury.
12. For the safety of operating personnel, please note that the information supplied in thismanual only applies to the fitting of genuine Warman parts and Warman recommendedbearings to Warman pumps. On larger pump models equipped with anti-rotate nuts andcover plate studs it is essential these nuts be fully installed (threaded on) by hand prior
to assembly. Personal injury and damage to equipment could result otherwise.
13. Tapped holes (for eyebolts) and lugs (for shackles) on Warman parts are for liftingindividual parts only.
14. Some equipment such as gear reducers, motors, and oil lubricated pump bearingassemblies are shipped without lubricating oil. Be certain that oil of the proper grade is filled tothe proper level in each piece of equipment before start-up.
15. Do not apply heat to or hardface Warman high chrome components. This can causecracks, residual stresses, and changes the fracture toughness of the parent material. This maylead to catastrophic failure and could result in personal injury and equipment damage evenwhen operating within recommended speed and pressure limits.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
CONTENT
INTRODUCTION
Bearing Assembly – Maintenance & Assembly InstructionsParts Identification
ASSEMBLY INSTRUCTIONS
Frame AssemblyPage
Fitting Bearing Assembly to Base (250 - 450) --------------------------------------- 6Fitting Bearing Assembly to Base (550 and 650) ----------------------------------- 7
Gland Assembly
Fitting Impeller Release Collar, Shaft Sleeve, Lantern Restrictor,and Stuffing Box to Shaft ------------------------------------------------------------------- 8
Pump Assembly
Installing Frame Plate Liner Insert and Frame Plate Liner (250 – 350) ---------- 9
Installing Frame Plate Liner Insert and Frame Plate Liner (400 – 650) --------------------------------- 10
Fitting Frame Plate to Base ------------------------------------------------------------------- 11
Fitting Impeller to Shaft and setting Back Gap ------------------------------------------ 12
Installing Throatbush and Cover Plate Liner into Cover Plate (250 – 350) ------ 13
Fitting Cover Plate to Frame Plate (250 – 350) ---------------------------------------- 14
Installing Throatbush and Cover Pate Liner into Cover Plate (400 – 650) -------- 15
Fitting Cover Plate to Frame Plate (400 – 650) ----------------------------------------- 16
Fitting Suction Cover,(400 – 650) Intake Joint and Discharge Joint --------------- 17
Setting Impeller to Throatbush clearance ------------------------------------------------- 18
Centering Stuffing Box------------------------------------------------------------------------- 19
Stuffing Box Assembly-------------------------------------------------------------------------- 20
Warman Basic Part Number & Part List ------------------------------------------------- 21
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
INTRODUCTION
Supplement 'MDS12' should be read in conjunction with the following Warman Assembly and Maintenance Instruction Supplements:
M1 - General Instructions applicable to ALL TYPES of Warman Pumps
M2 - Impeller Release Collar
Plus one of the following depending on TYPE of Bearing Assembly used;
BA1 - Heavy Duty (Frames N - U)
BA3 – Modified Basic (Frames CC – GG)
BA6 - Oil Filled Bearing Assemblies (Suffix ‘Y’).
NOTE: The recommended grease for grease lubricated assemblies is Mobil SHC220 or equivalent. For oil lubricated assemblies the recommended oil is Mobilgear SHC 220 or equivalent. These lubricant requirements supersede those calledout in Supplement BA1, BA3 and BA6 and allow for higher temperature operationwith reduced chance of viscosity breakdown.
This supplement contains step by step illustrated instructions for complete and correctassembly of Warman Rubber Lined Mill Circuit pumps 250 – 650 MCR.
Bearing Assembly - Maintenance & Assembly Instruct ions
The Bearing Assembly is assembled and maintained according to the instructionscontained in the respective Warman Supplement BA1, BA3 and BA6 according to theTYPE of Bearing Assembly utilized.
Parts Identification
The comment in Warman Bearing Assembly Supplements regarding Warman BasicNumbers incorporated in Warman Part Numbers applies in the same manner toWarman Pump component parts.
For full description and part number identification, refer to the appropriate WarmanComponents Diagram. Names and Basic Numbers are used in assembly instructions inthis manual. All relevant Warman Basic Numbers are listed at the end of thissupplement.
In all correspondence with Weir Minerals, or their representatives, and especially whenordering spare parts, it is advisable to use correct names as well as full part numbers toprevent misunderstandings or wrong deliveries. When in doubt, the pump serialnumber should be quoted as well.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING BEARING ASSEMBLY TO BASE(REFER TO FIGURE 1 for sizes 250 through 450)
NOTE: Apply an ant i-seize lubricant to threads of any bolts, s tuds or nuts .
1. Insert ADJUSTING SCREW (001) in BASE (003) from outside back of base. Screw on (1)nut and fully tighten. Fit (2) additional nuts and (2) flat washers, in between nuts, toadjusting screw. These nuts are to be left loose and maximum distance apart to allowbearing housing lug to fit over the adjusting screw.
2. Clean machined cradle supports on base and apply grease. NOTE: Remove any paintthat may be present on these machined sur faces.
3. Lower the BEARING ASSEMBLY (005) onto the base. Approximately line up machinedsurfaces of housing with machined surfaces in base. Check that the bearing housing lugfits over the adjusting screw and is positioned between the washers.
4. Fit CLAMP BOLTS (012) through base from underneath. Position CLAMP WASHERS(011) over the bolts and thread on clamp nuts. NOTE: Tighten (2) “ A” side clamp nuts.
“ A” side nuts are on the left when looking from impeller end. Leave (2) ”B” sidenuts snug to maintain alignment but allow for axial movement.
5. Apply anti-seize lubricant to portion of shaft extending from labyrinth at impeller end andthe shaft thread to prevent moisture damage to the shaft.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING BEARING ASSEMBLY TO BASE(REFER TO FIGURE 2 for sizes 550 & 650)
NOTE: Apply an anti-seize lubricant to threads of any bolts, s tuds or nuts.
1. Insert ADJUSTING SCREW (001) in BASE (003) from outside back of base. Screw on (1)nut and fully tighten. Fit (2) additional nuts and (2) flat washers, in between nuts, toadjusting screw. These nuts are to be left loose and maximum distance apart to allowbearing housing lug to fit over the adjusting screw.
2. Clean out machined grooves in supports and fill with grease using the grease zerks bothfront and back. Apply grease to the machined bearing housing cradle supports. NOTE:Remove any paint that may be present on these machined surfaces.
3. Lower the BEARING ASSEMBLY (005) onto the base. Approximately line up machinedsurfaces of housing with machined surfaces in base. Check that the bearing housing lugfits over the adjusting screw and is positioned between the washers.
4. Fit CLAMP BOLTS (012) through base from underneath. Position CLAMP PAD (011) overthe bolts and thread on (6) clamp pad nuts. NOTE: Tighten (3) “A” side clamp bolts.“ A” side bolts are on the left when looking from impeller end. Leave (3) ” B” sidebolts snug to maintain alignment but allow for axial movement.
5. Apply anti-seize lubricant to portion of shaft extending from labyrinth at impeller end andthe shaft thread to prevent moisture damage to the shaft.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING IMPELLER RELEASE COLLAR, SHAFT SLEEVE, LANTERNRESTRICTOR AND STUFFING BOX TO SHAFT (REFER TO FIGURE 3)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Fit the IMPELLER RELEASE COLLAR O-RING (109) over the SHAFT (073) and slide itback until it seats in the groove in LABYRINTH (062). Install impeller release collar overthe shaft and slide it back to the labyrinth capturing the o-ring. Make sure the matingtapers on both parts match. Position the metal ring over the outer diameter of the impellerrelease collar and tighten the setscrews. NOTE: Fill the recesses of the set screws andpusher holes with sil icone or other suitable sealant to prevent moisture fromcontacting these fasteners and damaging the threads (Instructions for fitting theimpeller release collars are also contained in Warman supplement ‘M2’).
2. Fit (1) SHAFT SLEEVE O-RING (109) over shaft and slide it up to the impeller releasecollar. For pump models 550 and 650 thread the SHAFT SLEEVE ASSEMBLY GUIDE(330) into the end of the shaft. Disregard this tool for all other models. Position the SHAFT
SLEEVE (078) over the guide/shaft and slide it back until contacting the impeller releasecollar capturing the o-ring. Remove the guide tool, if necessary, and fit second SHAFTSLEEVE O-RING (109) into groove in shaft sleeve.
3. Install LANTERN RESTRICTOR (118) over shaft sleeve in orientation shown in Figure 2Detail A. (i.e. radial flush holes facing release collar) and slide it as far back on the shaft aspossible. NOTE: Make sure the two shoulder bolts are tight.
4. Slide STUFFING BOX (078) onto shaft sleeve and slide it back until the lantern restrictor isinside the stuffing box bore.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
INSTALLING FRAME PLATE LINER INSERT AND FRAME PLATE LINER(REFER TO FIGURE 4 for sizes 250 through 350)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Strap the FRAME PLATE LINER INSERT (041) (FPLI) as shown in Figure 4 Detail A andlower it onto FPLI tool. Lift the FPLI and install FPLI puller studs into tapped holes in FPLIreinforcement. NOTE: FPLI tools with square tops are designed for FPLI only.
2. Place the FRAME PLATE bowl up on the ground and lower the FPLI onto the frame plateas shown in Figure 4 Detail B. Install a washer and nut to the FPLI puller studs fromunderneath the frame plate and tighten to the torque specified in Table 1.
3. Install Frame Plate Liner studs into tapped holes in liner reinforcement. Strap the FRAMEPLATE LINER (043) as shown in Figure 4 Detail C and lower it into the FRAME PLATE.Install a washer and nut to the liner studs from underneath the frame plate and tighten to
the torque specified in Table 1.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
INSTALLING FRAME PLATE LINER INSERT AND FRAME PLATE LINER(REFER TO FIGURE 5 for sizes 400 through 650)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Strap the FRAME PLATE LINER INSERT (041) (FPLI) as shown in Figure 5 Detail A andlower it onto FPLI tool. Lift the FPLI and install FPLI puller studs into tapped holes in FPLIreinforcement. NOTE: FPLI tools with square tops are designed for FPLI only. The450 tool (rounded top) is used on the FPLI and the throatbush.
2. Place the FRAME PLATE bowl up on the floor and lower the FPLI onto the Frame Plate asshown in Figure 5 Detail B. Install a washer and nut to the FPLI pullers studs fromunderneath the Frame Plate and tighten to the torque specified in Table 1.
3. Place FRAME PLATE LINER (043) bowl down on the floor. Install Frame Plate Liner Studs
into tapped holes in reinforcement. Using a three point pick lift FRAME PLATE as shownin Figure 5 Detail C and lower it onto the FRAME PLATE LINER (043). Install a washerand nut to the Frame Plate Liner Studs and tighten to the torque specified in Table 1.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING FRAME PLATE TO BASE(REFER TO FIGURE 6)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Using a two point pick lift the Frame Plate sub-assembly to the vertical position as shown.Thread the FRAME PLATE STUDS (039) into the frame plate and fully tighten. NOTE: Apply anti -seize lubr icant to the raised diameter portion of the frame plate studs andthe pilot d iameter of the frame plate to assist in future disassembly. Remove anypaint that may be present on these machined surfaces. Slowly move the sub-assemblytowards the base being careful to line up the studs with the holes in the base. Make certainthat the pilot in the frame plate has engaged the recess in the base. Install a hex nut to thestuds and tighten to the torque specified in Table 2.
2. Install the Pusher Bolts into the tapped holes in the Frame Plate and tighten to 35 N-m (25
ft-lbs).
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING IMPELLER TO SHAFT AND SETTING BACK GAP(REFER TO FIGURE 3 AND 7)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Fit SHAFT KEY (070) in keyway and bolt SHAFT WRENCH (306) onto shaft as shown inFigure 3. NOTE: Check that clamp bolts on “B” side (i.e. on the right when looking fromimpeller end) are just tight enough to hold the bearing assembly horizontal but not lock itdown.
2. Loosen the FPLI puller stud nuts about 10 mm. Using the Pusher Bolts adjust the FPLI soit is flush with the FRAME PLATE LINER (043) as shown in Detail A. Now tighten the FPLIstud nuts and torque to the values specified on Table 1 in Figure 4.
3. Place IMPELLER on a solid flat surface hub side down. Clamp IMPELLER LIFTING BEAM(313) to impeller using the adjusting screw *1. NOTE: Max. torque on adjusting nut is 70N-m (50 ft-lbs.)
4. Lift the impeller to vertical position and apply anti-seize lubricant to the threads. NOTE:Check that the impeller release collar, shaft sleeve and o-rings are still in place beforeproceeding.
5. Align impeller hub with shaft thread and turn shaft by means of the shaft wrench to screwinto impeller. With the impeller lifting beam still in place, firmly strike the shaft wrenchseveral times to seat the impeller against the shaft sleeve. Remove lifting beam fromimpeller by adjusting the lower wedge upward and lowering beam out of impeller eye.
6. Using the Axial Adjusting Nuts move the bearing assembly back until the impeller is flushwith frame plate liner insert.
7. Set the “BACK GAP” according to the pump size in Table 3 by offsetting the front axialadjusting nut and washer as shown in Detail B. Move the bearing assembly forward untilthe lug hits the offset washer and nut. Torque the clamp bolts to the torque specified in
Table 4.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
INSTALLING THROATBUSH AND COVER PLATE LINER INTO COVER PLATE(REFER TO FIGURE 8 for sizes 250 through 350)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Strap the THROATBUSH (083) as shown in Figure 8 Detail A and lower it onto the liftingtool. Lift the throatbush and install throatbush puller studs and fully tighten.
2. Place the COVER PLATE (013) bowl up on a flat solid surface and lower the throatbushinto the Cover Plate as shown in Figure 8 Detail B. Install a washer and nut to the pullerstuds from underneath the Cover Plate and tighten to the torque specified on Table 1.
3. Install Cover Plate Liner studs and tighten. Strap the COVER PLATE LINER (018) asshown in Figure 8 Detail C and lower it into the COVER PLATE and around the
Throatbush. Install a washer and nut to the liner studs from underneath the cover plateand torque to the values specified on Table 1.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING COVER PLATE TO FRAME PLATE(REFER TO FIGURE 9 for sizes 250 through 350)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Install ALIGNMENT PINS (489) in the FRAME PLATE based on your discharge position.NOTE: See component diagram drawing for the location designation of the AlignmentPins.
2. Using a two point pick lift the Cover Plate sub-assembly to the vertical position as shownand install the Throatbush pusher bolts until hand tight.
3. Slowly move the COVER PLATE toward the Frame Plate carefully lining up the Casing Alignment Pins. Insert the Cover Plate Bolts from the front of the Cover Plate as shown.Install a hex nut to each Cover Plate Bolt. NOTE: On some models the Cut-Water Bolt
may be larger than the Cover Plate Bolts. Tighten to the torque specified in Table 5.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
INSTALLING THROATBUSH TO SUCTION COVER AND COVER PLATE LINERINTO COVER PLATE
(REFER TO FIGURE 10 for sizes 400 through 650)
NOTE: Apply an anti-seize lubricant to threads of any bolts, studs or nuts.
1. Strap the THROATBUSH (083) as shown in Figure 10 Detail A and lower it onto the liftingtool. Lift the throatbush and install throatbush puller studs and fully tighten.
2. Place the SUCTION COVER (190) flange down on a flat solid surface and lower thethroatbush onto the Suction Cover as shown in Figure 10 Detail B. Install a washer andnut to the puller studs from underneath the Suction Cover and tighten to the torquespecified on Table 1.
3. Place COVER PLATE LINER (018) bowl down on floor. Install Cover Plate Liner studs and
tighten. Using a three point pick lift COVER PLATE as shown in Figure 10 Detail C andlower it onto the COVER PLATE LINER (018). Install a washer and nut to the frame plateliner studs and torque to the values specified on Table 1.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING COVER PLATE TO FRAME PLATE(REFER TO FIGURE 11 for sizes 400 through 650)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Install ALIGNMENT PINS (489) in the FRAME PLATE based on your discharge position.NOTE: See component diagram drawing for the location designation of the AlignmentPins.
2. Assemble ANTI-ROTATION NUTS (284) by hand fully onto COVER PLATE STUDS (015).
3. Using a two point pick lift the Cover Plate sub-assembly to the vertical position as shown.Install the Suction Cover Studs into the tapped holes and fully tighten. Slowly move theCOVER PLATE toward the Frame Plate carefully lining up the Casing Alignment Pins.
4. Insert the Cover Plate Stud with the Anti-Rotation nut assembled from the back of FramePlate as shown. Install a washer and nut to each Cover Plate Stud. Thread nuts on fully byhand before using impact wrench. NOTE: On some models the Cut-Water Stud may belarger than the Cover Plate Studs) Tighten the nuts to the torque specified in Table 5.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
FITTING SUCTION COVER, INTAKE JOINT AND DISCHARGE JOINT(REFER TO FIGURE 12 for sizes 400 through 650)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Turn the Suction Cover sub-assembly over and bolt on the SUCTION COVER LIFTINGBEAM (309) NOTE: Some suction cover lifting beams may be common to more than onepump size. Refer to nameplate on lifting beam.
2. Lift the Suction Cover to the vertical position and install the Throatbush Pusher Bolts untilhand tight. Slowly move the sub-assembly towards the Cover Plate being careful to line upthe studs with the holes in the Suction Cover. Fit a washer and nut to each of the suctioncover studs and tighten to the torque specified in Table 6. Remove the SUCTION COVERLIFTING BEAM (309) and store for future disassembly.
Steps 3 and 4 are common to sizes 250 through 650.
3. Apply a coating of liquid soap (or equivalent) to the INTAKE JOINT RING (372)
diameter with seal beads. Push the seal flange in the throatbush until it is seatedagainst the cover. NOTE: Use a block of wood and rubber hammer to help install theIntake Joint Ring. Do not hammer directly on the intake joint as it may distort thereinforcing plate of the seal.
4. Apply a thin coat of silicone to the DISCHARGE JOINT RING (132) and press into placeon top of the discharge flange.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
SETTING IMPELLER TO THROATBUSH CLEARANCE(REFER TO FIGURE 13)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Back the throatbush puller stud nuts off about 10 mm to allow the throatbush to movetowards the impeller.
2. While slowly rotating the impeller clockwise with the shaft wrench, tighten the Pusher Boltsin equal amounts until the impeller just starts to rub the throatbush. NOTE: It should stil lbe possible to turn the impeller completely by hand when it starts to rub on thethroatbush. Do not adjust the throatbush any further against the impeller. Check theclearance with feeler gauges to verify it is uniform.
3. Back each of the pusher bolts off by one fourth of a turn (one and a half flats of nut).
NOTE: It is recommended to put a mark on one flat of each bolt to keep track of itsoriginal position.
4. Lock the throatbush in place by tightening the throatbush puller stud nuts to the torquespecified on Table 1 in Figure 4. NOTE: Check the clearance with feeler gauges toverify it is uniform. Check to make sure the Pusher Bolts are tight to 35 N-m (25 ft-lbs).NOTE: Before removing the shaft wrench make certain the impeller turns freely. Theimpeller to throatbush clearance should now be set to 1 mm at front seal face.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
CENTERING STUFFING BOX(REFER TO FIGURE 14)
NOTE: Appl y an anti-seize lubricant to threads of any bolts, studs or nuts.
***Centering of the stuffing box is an essential step in the assembly of the pump, itassures that the stuffing box and the shaft sleeve are concentric to each other, thusextending the life of all components contained within the stuff ing box.
1. Slide the stuffing box forward lining up the tapped holes in frame plate liner insert withholes in stuffing box. Place a washer and a bolt in stuffing box holes and hand tighten.NOTE: It may be necessary to lift the stuffing box up sl ightl y to align holes. Slidethe LANTERN RESTRICTOR (118) into the bottom of the stuffing box bore. See Figure2 Detail A for orientation.
2. Position the STUFFING BOX CENTERING TOOL (331) over the shaft sleeve and slidethe tool in the stuffing box bore as shown in Figure 14. NOTE: The three alignmentpins should be able to rotate. Fully tighten each of the stuffing box bolts to the torquespecified in Table 7. NOTE: Tighten the nuts at the bottom of the stuff ing box f irst .
3. The stuffing box is now concentrically located about the shaft sleeve. Remove thestuffing box centering tool and store for a future re-build event. Jackscrew holes oncentering tool may need to be used to help with removal.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
STUFFING BOX ASSEMBLY(REFER TO FIGURE 15)
NOTE: Apply an anti-seize lubricant to threads of any bolts , studs or nuts.
1. Fit (1) PACKING RING (111) around shaft sleeve and push into the bottom of the stuffingbox. NOTE: Install packing r ings with the red dots either against the shaft or on theoutside as shown in Detail A.
2. Repeat step 1 with (3) additional packing rings. NOTE: Stagger packing joints 180degrees.
3. Assemble the two piece GLAND (044) around the shaft sleeve. Install the GLAND BOLTSand tighten only enough to assure packing is seated in the stuffing box bore. NOTE: Thegland bolts should be backed off and hand tight for start-up.
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Weir Minerals | PUMP ASSEMBLY INSTRUCTIONS FOR MODEL MCR (Sizes 250 through 650)
WARMAN BASIC PART NUMBER AND PARTS LIST
BASIC PART NUMBER
001 Adjusting Screw PUMP ASSEMBY TOOLS 003 Base004 Bearing Housing 306 Shaft Wrench005 Bearing Assembly 313 Impeller Lifting Beam008 Bearing Sleeve 318 Frame Plate Liner Insert / Throatbush Lifting Tool009 Bearing 330 Shaft Sleeve Assembly Guide009D Bearing (Drive End) 331 Stuffing Box Centering Tool011 Clamp Pad / Washer012 Clamp Bolt013 Cover Plate
013-1 Cover Plate (two piece cover)015 Cover Plate Bolts / Studs024 End Cover025 Shim Set027 End Cover Set Screw032 Frame Plate039 Frame Plate Stud041 Frame Plate Liner Insert044 Gland045 Gland Bolt061 Labyrinth Locknut062 Labyrinth
070 Shaft Key073 Shaft076 Shaft Sleeve078 Stuffing Box083 Throatbush092 Casing109 Shaft Sleeve O-Ring111 Packing118 Lantern Restrictor132 Discharge Joint Ring145 Impeller – 4 Vane Closed147 Impeller – 5 Vane Closed
190 Suction Cover221 Discharge Flange239 Impeller Release Collar257 Discharge Joint Ring284 Anti Rotation Nuts372 Intake Joint Ring394 Cover Plate Reverse Rotation394-1 Cover Plate Reverse Rotation (two piece cover)395 Frame Plate Reverse Rotation489 Alignment Pin