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3.2 Intermediate Service (IS), dismantling

3 Dismantling/Assembly

Unscrew the small lock ring using the special
spanner.

Left-hand thread!

Remove:

- paring chamber top part,

- gasket,

- paring disc

- gasket

- gravity disc.

Unscrew the large lock ring with the
compressing tool as described below.

Fit the lifting tool on the bowl hood.

NOTE

Use the compressing tool to reduce shocks
to bearings and thread wear minimized when
unscrewing the large lock ring.

Содержание AFPX 617XGV-14/74CG

Страница 1: ...0 5 0 0 E 0 DVcgZTV RZ_eV_R_TV R_fR DVaRcRe c 27AI I8G 48 a SdRc 1 Z ATe...

Страница 2: ...a Sweden Telephone 46 8 530 650 00 Telefax 46 8 530 310 40 Printed in Sweden 01 04 Alfa Laval Tumba AB 2001 This publication or any part thereof may not be reproduced or transmitted by any process or...

Страница 3: ...Major Service MS 22 2 2 6 3 year Service 3S 24 2 3 Cleaning 26 2 3 1 Cleaning agents 26 2 3 2 Cleaning of bowl discs 27 2 3 3 External cleaning 28 2 4 When changing oil 29 2 4 1 Worm wheel and worm we...

Страница 4: ...67 3 3 4 Erosion and wear linings 68 3 3 5 Guide surfaces 72 3 3 6 Bowl hood seal ring 74 3 3 7 Bowl spindle taper and bowl body nave taper 75 3 3 8 Lock ring wear and damage 76 3 3 9 Operating mechan...

Страница 5: ...or Service MS check points 120 3 6 1 Introduction 120 3 6 2 Lock ring priming 120 3 6 3 Brake 122 3 7 Major Service MS assembly 124 3 7 1 Introduction 124 3 7 2 Horizontal driving device 125 3 7 3 Ver...

Страница 6: ...6...

Страница 7: ...ervice and maintenance Not following the instructions can result in serious accidents In order to make the information clear only foreseeable conditions have been considered No warnings are given ther...

Страница 8: ...8...

Страница 9: ...tional speed temperature density etc and must not be used for any other purpose Incorrect operation and maintenance can result in unbalance due to build up of sediment reduction of material strength e...

Страница 10: ...vital rotating parts could unscrew Check that the gear ratio is correct for power frequency used If incorrect subsequent overspeed may result in a serious break down Welding or heating of parts that r...

Страница 11: ...re starting any dismantling work Assemble the machine completely before start All covers and guards must be in place Electrical hazards Follow local regulations for electrical installation and earthin...

Страница 12: ...Instructions 12 CAUTION Burn hazards Lubrication oil and various machine surfaces can be hot and cause burns Cut hazards Sharp edges on separator discs and lock ring threads can cause cuts S0055411 S...

Страница 13: ...which if not avoided could result in fatal injury or fatal damage to health WARNING Type of hazard This type of safety instruction indicates a situation which if not avoided could result in disabling...

Страница 14: ...1 Safety Instructions 14...

Страница 15: ...and renewed at different maintenance intervals The maintenance logs for each maintenance interval later in this chapter give detailed enumeration of the check points that must be done Daily checks co...

Страница 16: ...ce MS Major Service consists of an overhaul of the complete separator and includes an Intermediate Service every 12 months or 8000 operating hours Seals and bearings in the bottom part are renewed 3 y...

Страница 17: ...te and Major Services should be carried out in the following manner 1 Dismantle the parts as mentioned in the maintenance log and described in chapter 3 Dismantling Assembly on page 47 Place the separ...

Страница 18: ...other services the spare parts have to be ordered separately Note that the parts for IS are not included in the MS kit The contents of the service kits are described in the Spare Parts Catalogue NOTE...

Страница 19: ...rease can be found on a plate fixed on the motor The information can also be found in chapter Motor specifications in the Installation Manual 2 2 3 Oil change The oil change and check of worm gear sho...

Страница 20: ...d outlet Clean and inspect Outlet housing Threads of inlet pipe and paring disc 80 Renew O rings rectangular ring and seal ring s Separator bowl Clean and check Lock ring 74 Bowl hood 74 Top disc Bowl...

Страница 21: ...wheel and worm 29 Renew Oil in gear housing 32 Signs and labels on separator Check attachment and legibility Safety label on hood Direction of rotation arrow Power supply frequency Monitoring equipmen...

Страница 22: ...ect Outlet housing Threads of outlet pipe and paring disc Renew O rings rectangular ring and seal ring s Separator bowl Clean and check Lock ring 74 120 Bowl hood 74 Top disc Bowl discs 27 Distributor...

Страница 23: ...eel and worm 29 Radial wobble of worm wheel shaft 129 Renew Bearings O rings sealings and tolerance ring 125 Oil in gear housing 32 Flexible coupling Check Axial play of elastic plates 127 Brake Renew...

Страница 24: ...h 40 Nm 6 Level against the upper face of the three holders 6 Screw the holders to compensate for inclination if any Any gap between a holder and a foundation foot 8 must be eliminated by adding or re...

Страница 25: ...ews 9 first by hand or by a hand tool if necessary until all of them are in contact with the frame feet 2 Then tighten the set screws with 100 Nm 9 Connect the previously disconnected pipes hoses and...

Страница 26: ...to dissolve lime deposits The acid should be heated to 80 C For parts of the driving devices Use white spirit cleaning grade kerosene or diesel oil Oiling protect surfaces against corrosion Protect cl...

Страница 27: ...e cleaning agent until the deposits have been dissolved This will normally take between two and four hours 3 Finally clean the discs with a soft brush CAUTION Cut hazard Sharp edges on the separator d...

Страница 28: ...ors are sealed and normally they are not A water jet played on these motors will produce an internal vacuum which will suck the water between the metal to metal contact surfaces into the windings and...

Страница 29: ...lifting the bowl spindle push the worm wheel to one side first Position the spindle in correct place before fitting the worm wheel When replacing the gear always make sure that the new worm wheel and...

Страница 30: ...s an indication that the oil base has deteriorated seriously or that some of the oil additives have precipitated If pitting is found on the worm gear the cause could be that the additives are not suit...

Страница 31: ...tooth all teeth are worn in the same way Spalling Small bits of the teeth have broken off so called spalling This is generally caused by excessive load or improper lubrication Damage of this type may...

Страница 32: ...in the worm gear housing the information concerning different oil groups handling of oils oil change intervals etc given in chapter 2 5 Lubricants on page 33 must be well known CAUTION Burn hazard Lub...

Страница 33: ...ands or oils from different oil groups Lubricating points Lubricants Bowl spindle ball bearings and buffers are lubricated by oil mist Lubricating oil as specified in 2 5 2 Recommended lubricating oil...

Страница 34: ...this in connection with an overhaul of the separator Clean the gear housing and the spindle parts thoroughly and remove all deposits before filling the new oil It is of utmost importance to use the l...

Страница 35: ...or after change of gear transmission change oil after 200 operating hours When the separator is operated for short periods lubricating oil must be changed every 12 months even if the total number of o...

Страница 36: ...ISO 3448 3104 Viscosity index VI ISO 2909 320 92 Manufacturer Designation Bel Ray 100 Gear oil BP Energol GR XP 320 Castrol Alpha SP 320 ELF Epona Z 320 Esso Exxon Spartan EP 320 Fina Giran 320 Gulf E...

Страница 37: ...ber are approved and recommended for use Manufacturer Designation Comment Alfa Laval No Fuchs Lubritech Gleitmo 805 Geralyn 2 USDA H1 561764 01 50 g Dow Corning Molykote TP 42 Molykote D Molykote Food...

Страница 38: ...hs Lubritech Gleitmo 900 Varnish or spray Dow Corning Molykote D321R Spray Molykote D321R Varnish 535586 01 300 ml 535586 02 60 ml Manufacturer Designation Alfa Laval No Dow Corning Molykote 111 Compo...

Страница 39: ...urer Manufacturer Designation Alfa Laval No BP Energrease MM EP2 Energrease LS2 Castrol APS 2 Grease EPL 2 Chevron Dura Lith Grease EP2 Elf Epexa 2 Esso Exxon Beacon EP2 Unirex N2 Fina Marson EPL 2A M...

Страница 40: ...l of vibration See the illustration where to take measurements NOTE The level of vibration should not exceed 9 0 mm s at full speed DANGER Disintegration hazard If excessive vibration occurs keep bowl...

Страница 41: ...r bearings where no driving off sleeve is included in the tool kit remove the bearing from its seat by using a puller If possible let the puller engage the inner ring then remove the bearing with a st...

Страница 42: ...removed before use Use the greatest cleanliness when handling the bearings To facilitate assembly and also reduce the risk of damage first clean and then lightly oil the bearing seating on shaft spind...

Страница 43: ...is assembled at a right angle to the shaft spindle If necessary use a driving on sleeve that abuts the ring which is to be assembled with an interference fit otherwise there is a risk that the rollin...

Страница 44: ...s are normally treated only with rust protection oil from the factory an initial lubrication of new bearings must always be performed whenever bearings are replaced This is however not valid for beari...

Страница 45: ...after cleaning must be wiped and protected against dust and dirt If the separator has been shut down for more than 3 months but less than 12 months an Intermediate Service IS has to be made If the shu...

Страница 46: ...2 7 Common maintenance directions 2 Maintenance Directions 46...

Страница 47: ...These parts must be handled carefully Do not place parts directly on the floor but on a clean rubber mat fibreboard or a suitable pallet DANGER Entrapment hazard 1 Make sure that rotating parts have...

Страница 48: ...ts are done before starting the assembly 3 1 3 Tools Special tools from the tool kit must be used for dismantling and assembly The special tools are specified in the Spare Parts Catalogue and are show...

Страница 49: ...g screws use the torques stated in the table below unless otherwise stated The figures apply to oiled stainless screws tightened with a torque wrench METRIC THREAD Thread Torque in Nm Stainless steel...

Страница 50: ...2 1 Inlet outlet frame hood 1 Coupling nut 2 Pipes for feed cleaned liquid outlet 3 Rectangular ring 4 Inlet bend 5 Rectangular ring 6 Nozzle 20 25 30 mm 7 Rectangular ring 8 Seal ring 9 Inlet pipe 10...

Страница 51: ...the inlet bend 4 2 Unscrew the inlet pipe 9 Left hand thread 3 Unscrew the four screws 10 and remove the discharge cover 11 4 Remove the twelve screws 13 fit two eye bolts on top of the frame hood 12...

Страница 52: ...3 2 Intermediate Service IS dismantling 3 Dismantling Assembly 52 3 2 2 Bowl hood and disc stack G0923611...

Страница 53: ...ring 12 O ring 13 Top disc 14 Bowl discs top have thinner caulks than other discs in the disc stack 15 Bowl discs 16 Bottom bowl disc has caulks also on its underside 17 Wing insert 18 Distributor A...

Страница 54: ...d 2 Remove paring chamber top part gasket paring disc gasket gravity disc 3 Unscrew the large lock ring with the compressing tool as described below a Fit the lifting tool on the bowl hood NOTE Use th...

Страница 55: ...rizontal handle The control lever on the compressing tool should be in position 0 c Turn the control lever to position 1 for compression Compress the disc stack by pumping the horizontal handle until...

Страница 56: ...from the bowl hood b Fit the compressing tool by screwing the pole of the tool into the threads of the distributor using the horizontal handle The control lever on the compressing tool should be in po...

Страница 57: ...wl hood using a hoist Be careful not to scratch the bowl hood seal ring 7 Remove the top disc 8 Fit the lifting tool into the distributor and lift the distributor with disc stack out of the bowl body...

Страница 58: ...cone A Purifier bowl B Concentrator bowl 4 Wear lining 5 O ring 6 Rectangular ring 7 Sliding bowl bottom 8 Rectangular ring 9 O ring 10 Wear protection 11 Bowl body 12 Rectangular ring 13 Valve plug...

Страница 59: ...n a wing Left hand thread 2 Remove the gasket from the cap nut contact surface on the distributing cone 3 Fit the lifting tool into the distributing cone and lift it out 4 Fit the lifting tool onto th...

Страница 60: ...the spindle taper Turn the handle two more turns in order to avoid damaging the paring disc device 7 Lift out the bowl body using a hoist 8 Remove the bowl body lifting tool Turn the bowl body using...

Страница 61: ...en the screws for the sleeve with wings 3 Remove the sleeve and gasket 4 13 In order to remove the operating slide 5 first remove the two protecting plugs and then install the two lifting eyes lugs A...

Страница 62: ...antling 3 Dismantling Assembly 62 3 2 4 Operating liquid device 1 O ring 2 Control paring disc 3 Distributing ring 4 Throttling ring 5 Holder 6 O ring 7 Screw 8 O ring 9 Screw 10 Distributing cover 11...

Страница 63: ...g is unloaded 2 Remove the O ring with a small screw driver or similar tool 3 Remove the control paring disc by lifting up the distributing ring 2 4 Separate the holder and throttling ring from the di...

Страница 64: ...all parts for Intermediate Service remove any thick deposits in the frame top part and clean all other parts thoroughly in a suitable cleaning agent See chapter 2 3 Cleaning on page 26 If carry out a...

Страница 65: ...nspected with particular care for corrosion damage Always contact your Alfa Laval representative if you suspect that the largest depth of the corrosion damage exceeds 1 0 mm or if cracks have been fou...

Страница 66: ...amage by corrosion and record these observations carefully 2 Polish dark coloured spots and other corrosion marks with a fine grain emery cloth This may prevent further damage Other metal parts Separa...

Страница 67: ...d cyclic stresses will speed up the formation of cracks Keeping the machine and its parts clean and free from deposits will help to prevent corrosion attacks It is particularly important to inspect fo...

Страница 68: ...ographs plaster impressions or hammered in lead Erosion is characterised by Burnished traces on the material Dents and pits having a granular and shiny surface Surfaces particularly subjected to erosi...

Страница 69: ...ings These wear linings must be replaced before they have been perforated by erosion When fitting new linings keep in mind that they will be subjected to a very high service stress Forces up to 10 000...

Страница 70: ...ten the tool nut with a spanner until the lining is firmly pressed to its seat 4 Bend the shank 1 at right angles to the outside of the bowl wall using a drift 5 Back off the nut of the tool and remov...

Страница 71: ...linings as described above Wear liner in sliding bowl bottom When removing the old wear liner 1 from the sliding bowl bottom it can preferably be pressed out by using two screw drivers or similar Nor...

Страница 72: ...guide surfaces see following pages Clean the indicated surfaces and apply lubricating paste with a well cleaned brush Lubricate the O rings and the seal rings with silicone grease making sure they are...

Страница 73: ...nded tools for correction of galling Emery cloth 240 grade Small power drill Degreasing agent Fibre brush 25mm Fibre brush 50 mm Very fine single cut file 1 Clean the surface thoroughly with a degreas...

Страница 74: ...rime the repaired area with slide lacquer Read the correct procedure under check point 3 6 2 Lock ring priming on page 120 Apply Molykote 1000 Paste on the surface after priming 3 3 6 Bowl hood seal r...

Страница 75: ...y Corrosion may cause the bowl to stick firmly to the spindle taper and cause difficulties during the next dismantling Remove any impact marks with a scraper and or whetstone Rust can be removed by us...

Страница 76: ...te the alignment mark on the bowl body by punching in a new mark If the original mark on the lock ring passes the mark on the bowl body by more than 25 which corresponds to A 150 mm an Alfa Laval repr...

Страница 77: ...es etc If the damage is considerable use a fine single cut file followed by a whetstone Remove the damage material on top of the surface Just take away the damage not the undamaged material After reme...

Страница 78: ...the bowl body Preferably use a soft iron wire Reasons for dirt or deposits Hard or unclean operating water Change water supply or install a water softener or a fine filter Sludge has been sucked down...

Страница 79: ...iding bowl bottom is to be renewed turn the sliding bowl bottom upside down and inject compressed air through the hole on the underside This will press the ring outwards far enough to be gripped easil...

Страница 80: ...eel and worm wear of teeth As described in 2 4 1 Worm wheel and worm wear of teeth on page 29 3 3 14 Inlet pipe and outlet paring disc Damage to the threads of inlet pipe and the surfaces of distribut...

Страница 81: ...frame if removed and secure with Loctite 243 3 Mount the vibration sensor Adjust with washer s in order to get the cable downwards Tightening torque 35 Nm For technical reference see chapter Connectio...

Страница 82: ...e wires are short circuited and the two black wires are open circuit Check also the reverse when the button not pressed See the illustration for exact measurement when the button is operated For techn...

Страница 83: ...ge 65 3 4 2 Lubrication Lubricate the O rings rectangular rings threads and guide surfaces before assembly see 2 5 4 Recommended lubricants on page 37 NOTE Renew all parts included in the IS kit The O...

Страница 84: ...ring disc arrangement according to the illustration The upper O ring must be fitted after that the control paring disc 1 has been fitted If it is difficult to press down the control paring disc in pos...

Страница 85: ...The height position is adjusted by adding or removing height adjusting rings 1 under the distributing cover The adjusting rings have a thickness of 1 0 mm After adjustment rotate the spindle If a scra...

Страница 86: ...or operating mechanism on page 79 3 3 12 Valve plugs on page 80 An exploded view of the bowl body and operating mechanism can be found on page 58 1 Protect the nave bore in the bowl body with a rag 2...

Страница 87: ...ubricate the guide surface of the spring support 1 faces the operating slide Use Molykote 1000 Paste or similar Fit springs 2 and support Place the support in the same position as before it was disman...

Страница 88: ...urn the bowl body using the turning tool Ensure the screws on the turning tool are properly tightened 10 Turn the bowl body and then remove the turning tool NOTE Too much oil on the surface between th...

Страница 89: ...so that the bowl body sinks down onto the spindle Remove the tool 13 Rotate the bowl body and align it so that the three screw holes in the bowl body bottom are exactly above the three holes in the d...

Страница 90: ...cient lifting force to enable sliding bowl bottom to be rocked by hand verifying that it is properly located on the guide pin Lower into final position and remove the lifting tool 19 Fit the O ring in...

Страница 91: ...91 3 Dismantling Assembly 3 4 Intermediate Service IS assembly 21 Replace gasket underneath the centre screw Fit and tighten the centre screw Left hand thread G0728541 S0070011...

Страница 92: ...ng priming on page 120 only when Major Service An exploded view of the bowl hood and disc stack can be found on page 52 1 Assemble the disc one by one on the distributor The distributor has one guide...

Страница 93: ...and E Start with the bottom disc 16 which has caulks also on its underside Continue with the other discs Bowl B and D Start with the bottom disc 16 which has caulks also on its underside Continue with...

Страница 94: ...bottom using a hoist Check that the drill mark A on the distributor is in line with the guide key B on the bowl body The guide pins in the distributing cone will then fit into the recesses on the und...

Страница 95: ...d dovetail slot 1 is well cleaned 6 Lower the bowl hood straight down onto the disc stack otherwise it may get stuck Be careful not to scratch the bowl hood seal ring Check that the guide recess on th...

Страница 96: ...onto the bowl hood b Fit the compressing tool by screwing the pole of the tool into the threads of the distributor by the horizontal handle The control lever on the compressing tool should be in posi...

Страница 97: ...used To achieve this an appropriate number of discs in the disc stack beneath the top disc must be fitted Add or remove discs if necessary If the marks do not reach or pass each other after giving th...

Страница 98: ...ed inside the bowl Measure once again the height H2 of the piston rod with the slide calliper and make a note of the reading obtained If the difference between H1 and H2 is less than the vertical heig...

Страница 99: ...eight position of the outlet paring discs in the in and outlet device is decided by the position of the bowl hood 3 in relation to the height adjusting ring 1 on the frame hood 2 The tolerances are na...

Страница 100: ...asket paring disc gasket paring chamber top part Some of the above parts have guide pins Check that these guide pins enter corresponding holes for correct assembly 12 Lubricate the small lock ring wit...

Страница 101: ...cover 11 and secure it with the four screws 10 4 Fit the inlet pipe 9 and tighten it firmly Left hand thread 5 Connect the inlet bend 4 and the in and outlet connections 1 2 6 When the in and outlet d...

Страница 102: ...ssembly 102 3 5 Major Service MS dismantling 3 5 1 Introduction When carry out a Major Service an Intermediate Service is always included By that reason it is assumed that the dismantling for Intermed...

Страница 103: ...103 3 Dismantling Assembly 3 5 Major Service MS dismantling...

Страница 104: ...3 5 Major Service MS dismantling 3 Dismantling Assembly 104 3 5 2 Vertical driving device G0828551...

Страница 105: ...il fan 10 Bowl spindle 11 Screw 12 Seal ring 13 Screw 14 Top bearing cover 15 Rubber buffer 16 Snap ring 17 Ball bearing 18 Ball bearing housing 19 Spacing sleeve 20 Ball bearing 21 Bearing housing 22...

Страница 106: ...ng 2 Unscrew the three screws and remove the protecting plate 3 Remove the O ring fitted above the protecting collar NOTE Clean the space in the bowl casing thoroughly before starting to dismantle the...

Страница 107: ...ng 4 Pull off the protecting collar Note No threads 5 Unscrew the three screws and remove the guard 6 Remove the seal ring fitted in the guard 7 Remove the oil fan by hitting with light blows on the w...

Страница 108: ...the screws entirely 9 Push the worm wheel to one side before lifting the spindle 10 Fit the lifting tool onto the spindle and lift it out by using a hoist To avoid damaging the teeth lift slowly and...

Страница 109: ...ad of the centre screw 16 Remove the snap ring 17 Pull off the sleeve Note No thread 18 Lift the spindle into the mounting tube 19 Remove the three screws fixing the top bearing cover to the top beari...

Страница 110: ...antling Assembly 110 21 Remove the upper rubber buffer not provided with springs 22 Lift the spindle out of the spring support 23 Remove the lower rubber buffer provided with springs from the top bear...

Страница 111: ...111 3 Dismantling Assembly 3 5 Major Service MS dismantling 24 Remove the springs from the top bearing support 25 Then remove the top bearing support from the mounting tube G0573311...

Страница 112: ...3 Compressing tool 4 Dismantling and assembly tool 4A Ring 4B Plate lower 4C Sleeve 4D Bar 4E Support ring 4F Intermediate part 4G Snap ring normally mounted on the bar 4H Washer 4I Plate upper 4J Nu...

Страница 113: ...The inside diameter of the ring is tapered g Fit the end tube 2 over the spindle S and let it rest on the support ring 4E h Check that the snap rings 4G is fitted Then fit the washer 4H for the compr...

Страница 114: ...rce out the ball bearing from the lower ball bearing housing 29 Check the guide pins Replace any damaged pins but do not loosen the others 30 Remove the snap ring from the upper ball bearing housing 3...

Страница 115: ...ft 2 Frame bottom part 9 Small ball bearing 16 Cooling coil 3 Bearing housing 10 O ring 17 Washer 4 Round nut 11 Gasket 18 Nut 5 Large ball bearing 12 Bearing shield 19 Washer 6 Lock ring 13 Seal stri...

Страница 116: ...the cooling coil to the bearing shield and press the two tube ends up into the bearing shield 4 Remove the bearing shield ease it off by means of two of the fastening screws To prevent dropping the be...

Страница 117: ...irection of rotation 10 Hook up the motor in a hoist and loosen the motor from the separator frame Pull out the motor carefully 11 Take care of the guide ring 12 Remove the three elastic plates 13 If...

Страница 118: ...Then tighten the screw A again to protect the worm wheel shaft during next operation 15 Fit the puller tool illustrated below and pull off the coupling disc 16 Remove the lock ring on the worm wheel s...

Страница 119: ...wist into the tool to avoid damage to the shaft The pressure should be applied to the inner race of the ball bearing After dismantled all parts for Major Service remove any deposits from the internal...

Страница 120: ...assembly sections 3 6 2 Lock ring priming The arrows indicate positions of threads guide and contact surfaces to be primed Recommended agents for priming procedure Degreasing agent Slide lacquer Molyk...

Страница 121: ...uide and contact surfaces with slide lacquer Molykote D321R Let the lacquer air cure for about 15 minutes 3 Use a fibre brush to polish the slide lacquer into the surface The black spray will look lik...

Страница 122: ...aces of the bowl hood and bowl body 3 6 3 Brake 1 Shut off and then disconnect the air supply to the brake 2 Remove the cover from the separator frame if not already done 3 Dismantle the brake unit by...

Страница 123: ...0 or similar 8 Renew the spring 5 if it has lost its stiffness Oil the spring when assembly 9 Supply compressed air to the brake unit and check the brake function A bad function and or a worn friction...

Страница 124: ...ings and bearing housings on the bowl spindle and worm wheel shaft as described in this chapter these must be heated in oil to max 125 C NOTE Renew all parts included in the IS and MS kits The O rings...

Страница 125: ...ng If necessary knock the ball bearing into its seat with the driving on sleeve tool and the ring 3 Apply some Loctite 243 on the threads of the round nut Lock the ball bearing in its position by tigh...

Страница 126: ...of the ball bearing 5 Fit the lock ring Tighten it with the pin spanner Left hand thread 6 Fit the coupling disc Check that the key in the worm wheel shaft enters into the recess in the nave of the di...

Страница 127: ...l until the pulley is in position Lock with the lock screw 9 Fit the three elastic plates included in the MS kit 10 Fit the electric motor using a hoist 11 Check the axial play between two of the flex...

Страница 128: ...t The oil must be of the same quality as is used in the gear housing Slip the clamping element onto the worm wheel The tightening is described later in this assembly instruction 15 Mount the heated ba...

Страница 129: ...eck for leakages 22 Fit the seal strip 13 and the guard 14 covering the bearing shield see previous illustration 23 Check the radial wobble of the worm wheel shaft by first camping a dial indicator in...

Страница 130: ...be found on page 104 All three bearings on the bowl spindle are off different types as follows A Deep groove ball bearing to be fitted in the upper housing B Angular contact ball bearing to be fitted...

Страница 131: ...ial mounting tool 5 Assemble the two bearing housings and the space sleeve into a unit Note that one tooth and the corresponding recess A is wider than the others WARNING Risk for eye injury Use the c...

Страница 132: ...ompressing tool 4 Dismantling and assembly tool 4A Ring 4B Plate lower 4C Sleeve 4D Bar 4E Support ring 4F Intermediate part 4G Snap ring normally mounted on the bar 4H Washer 4I Plate upper 4J Nut R...

Страница 133: ...he end tube 2 on the sleeve R i Screw the three bars 4D into the bottom plate 4B j Check that the retaining rings 4G have been fitted Fit the washer 4H compressing tool 3 and top plate 4I Secure the a...

Страница 134: ...top bearing support in the tube and put the springs in place 9 Fit the rubber buffer with springs 10 Place the bowl spindle in upright position in the bearing support Ascertain that the guide pins ent...

Страница 135: ...assembly 12 Fit the rubber buffer without springs 13 Fit the cover and tighten its screws alternately a little at a time Final tightening torque 60 Nm 14 Fit the oil fan Hit with light blows on the wi...

Страница 136: ...ndle are clean and free from oil before fitting the worm 17 Wipe off and grease the bearing seat before fitting the ball bearing 18 Fit the heated bearing When it has cooled fit the ring and the drivi...

Страница 137: ...m teeth Guide the spindle into the bottom bearing housing Also guide the spindle so the screw holes in the bearing housing are in line with the holes in the frame see next suboperation If the spindle...

Страница 138: ...the rectangular ring into the frame 25 Fit the guard into position 26 Fit new seal rings under the screw heads Tighten the screws alternately a little at a time Final tightening torque 40 Nm 27 Fit th...

Страница 139: ...nd push it firmly down against the oil fan 29 Fit the O ring dry do not grease 30 Fit the protecting plate and tighten the screws NOTE Check that the protecting collar is in the bottom position restin...

Страница 140: ...e clamping element screws A B and C see illustration but only such that the clamping element just sticks on the worm wheel 34 Then tighten all the screws uniformly and successively around the clamping...

Страница 141: ...04 mm 37 Fit the oil drain plug and pour oil into worm gear housing The oil level should be slightly above middle of the sight glass Oil volume Approx 13 litres Suitable oil brands can be found in 2 5...

Страница 142: ...3 8 Operating water module compact OWMC 3 Dismantling Assembly 142 3 8 Operating water module compact OWMC 3 8 1 Exploded view G0878321...

Страница 143: ...OWMC 1 Nut 2 Cylinder 3 Locking wire upper 4 Garter strap 5 O ring 6 O ring 7 Outlet 8 Turcon variseal M 9 Nozzle 10 Screw 11 Two pulse adapter 12 Turcon AQ seal 3 pieces 13 Piston 14 Turcite slideri...

Страница 144: ...anti clockwise relative to the air tank 16 The upper locking wire is thereby forced out Use two belt wrenches when turning the cylinder see the illustration The lower tool prevents the air tank from r...

Страница 145: ...ck points Clean and check the condition of the dismantled parts Check the cylinder 2 piston 13 and two pulse adapter 11 for scratches and scuffing marks Renew the garter strap 4 fitted inside the cyli...

Страница 146: ...e cylinder clockwise relative to the air tank until the hook on the locking wire reaches the groove 5 Fit water and air connections 6 Turn on the air and operating water supply Check that there are no...

Страница 147: ...AB Separator Manuals dept PPDM SE 147 80 Tumba Sweden Fax 46 8 530 310 40 Your name Company Address City Country Product AFPX 617XGV 14 74CG Book No 1271649 02 Rev 1 Date Yes No Is it easy to find wha...

Страница 148: ...148...

Страница 149: ...your local Alfa Laval representative who will advise you of current prices Your local Alfa Laval representative will also be able to help you with information regarding any other manuals Your name Com...

Страница 150: ...150...

Страница 151: ...27 Corrosion 65 Cover interlocking switch 82 Cracks 67 Disc stack pressure 97 Elastic plates in coupling 127 Erosion 68 External cleaning 28 Guide surfaces 72 Inlet pipe and outlet paring discs 80 Loc...

Страница 152: ...commended lubricating oils 35 Recommended oil brands 36 Recommended pastes and bonded coatings 37 M Maintenance intervals 16 Maintenance logs 3 year Service 3S 24 Daily checks 19 Intermediate Service...

Страница 153: ...eet 24 Large lock ring 98 Screws common 49 Speed sensor 81 Vibration sensor 81 Worm wheel assembly 127 Worm wheel clamping ring 140 V Vertical driving device Assembly 124 Check point 141 Dismantling 1...

Страница 154: ...154...

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Содержание AFPX 617XGV-14/74CG

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