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2202L5JE-DA-C5-N_2015.05.

5 Maintenance and Inspection

Compound 2-stage Screw Compressor

5.5

Reassembly

1612LSC Speed Increaser Type

5-59

e)

After installing the jig, turn the speed increaser gear casing upside down to be able to install the

speed increaser gear spindle, and place the casing on the work stand used at disassembling.

f) Insert the speed increaser gear spindle into the spindle thrust bearing by lightly tapping the end of

the spindle with a soft hammer or the like.

Alternatively, preheat the speed increaser gear casing using a light projector (following picture to the

left) before insertion of the spindle. Then the spindle can be inserted smoothly without using a soft
hammer (following picture to the center/right).

Attaching the Spindle

                                                                              Insert Spindle                              Insert Spindle
                                        with Drive Gear         without Drive Gear

Note: In case of installing the speed increaser drive gear in this step, refer to following pictures.

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Содержание 1612LSC series

Страница 1: ...N Before operating servicing or inspecting this product read this manual thoroughly to fully understand the contents Keep this Instruction Manual in a safe designated place for future reference whenev...

Страница 2: ...e near the product for quick reference Revision History Title Document No First Edition Issue Date 1612LSC Speed Increaser Type Instruction manual 2202L5JE DA C5 N_2015 05 2013 05 30 Revision No Issue...

Страница 3: ...scribed below Malfunctions damage or deterioration of this product due to abnormal or improper use including improperly storing this product outdoors or under too hot humid conditions unexpected inspe...

Страница 4: ...to avoid danger Do not allow anyone other than those educated about the fundamental expertise of the product and trained about hazards involved and measures to avoid dangers to approach the product w...

Страница 5: ...e form without prior permission from MAYEKAWA Photographs or drawings included in this manual may differ from the appearance of the actual product If this manual is lost or damaged immediately place a...

Страница 6: ...sonal Protective Gear 1 2 1 1 1 5 Do s about the Handling of Hazardous and Toxic Substances 1 2 1 1 1 6 Do s about Handling Emergency Situations 1 2 1 1 1 7 Do s about Waste Oil Fluid and Materials 1...

Страница 7: ...evices for Protection of the Compressor 3 6 3 2 6 Airtightness Test 3 7 3 2 7 Lubricating Oil Charge 3 7 3 2 7 1 Initial Charge of Lubricating Oil 3 7 3 2 7 2 Additional Charge of Lubricating Oil 3 7...

Страница 8: ...4 Removing Parts Connected to the Unit 5 11 5 3 5 Compressor Removing and Lifting 5 12 5 3 6 Removing Oil from Inside the Compressor 5 12 5 4 Disassembly and Inspection 5 13 5 4 1 Shaft Seal Block 5 1...

Страница 9: ...ow stage Bearing Head and Main Bearings 5 40 5 4 17 1 Disassembly 5 40 5 4 17 2 Inspection 5 40 5 4 18 Low stage Unloader Slide Valve and Guide Block 5 41 5 4 18 1 Disassembly 5 41 5 4 18 2 Inspection...

Страница 10: ...1 Capacity control malfunction 6 8 12 Compressor generates abnormal vibration and or sound 6 9 7 Related Documents 7 1 Development Views Assembly Sectional Views 7 1 Figure 7 1 Development View Low st...

Страница 11: ...efore performing the work together with at least one other person thoroughly confirm each other s work details and procedures to acknowledge the other worker s movement When troubleshooting during ope...

Страница 12: ...s or jewelry as there is a risk of being entangled by a movable part or rotating part Put on a helmet as your hair may get entangled Do not have anything in your pocket to prevent objects from falling...

Страница 13: ...messages described in this manual warn dangerous situations that may arise during work by using the following four categories Neglecting such warnings may cause accidents resulting in personal injury...

Страница 14: ...eratures below 40 C E Compressor high stage side discharge casing and discharge piping Refer to Figure 1 1 Burn injury due to contact Contact with or inhalation of hazardous substances generated by le...

Страница 15: ...2202L5JE DA C5 N_2015 05 1 Safety Compound 2 stage Screw Compressor 1 3 Residual Risks 1612LSC Speed Increaser Type 1 5 Figure 1 1 Locations of Hazardous Sources compressor...

Страница 16: ...he operating procedures for the emergency stop button i e how to stop the operation and restore the normal operating condition must be clearly defined and the information provided to the user of this...

Страница 17: ...a pressure sensing port to the discharge pipe Protecting from intermediate pressure IP This device controls the compressor appropriately when the intermediate pressure exceeds the set value In some ca...

Страница 18: ...e Compressor protective devices require operation tests and confirmation of the settings calibration before test run as well as at regular intervals Specify the inspection methods intervals of the com...

Страница 19: ...sus cooling ability a 2 stage compression method is used To use standard type screw compressors in a 2 stage compression method at least two screw compressors must be combined so that there is a high...

Страница 20: ...olume m3 h 551 665 762 918 918 High stage swept volume m3 h 174 210 241 290 290 Applied refrigerant Ammonia Hydrofluorocarbon other Design pressure MPa 2 6 Capacity control range Actual load 10 to 100...

Страница 21: ...ature C 60 Maximum low stage discharge temperature C 90 Maximum high stage discharge temperature C 100 Maximum oil supply temperature C 60 Minimum oil supply temperature C 30 Maximum M mail rotor rota...

Страница 22: ...05 2 Compressor Specifications and Structure Compound 2 stage Screw Compressor 2 3 Compressor Specifications 1612LSC Speed Increaser Type 2 4 2 3 3 Outer Dimensions Figure 2 1 1612LSC Speed Increaser...

Страница 23: ...presses the gaseous working fluid coming from the freezing storage system and the high stage compressor block which further compresses the working fluid gas pressurized by the low stage compressor bef...

Страница 24: ...e rotor and the rotor with 6 lobe depressions is called the F rotor female rotor Throughout this manual they are referred to as the M rotor and F rotor The compressor M rotor shaft is driven by the tw...

Страница 25: ...e discharge port 2 5 5 About Volume Ratio Vi Volume ratios Vi of C series screw compressors are indicated in performance tables or catalogs by using port symbols L and M The volume ratio represented b...

Страница 26: ...ches operation conditions The required compression ratio and Vi are both low The required compression ratio and Vi are both high B When Vi does not match operation conditions Vi is too low compared to...

Страница 27: ...sleeve type bearing is used The bearing uses surface fitted ball bearings with angular contact for loads along the axis direction In particular axial load for the M rotor which has one type of helica...

Страница 28: ...h which gas used for super cooling is mixed in from the liquid cooler Lubricating oil injected at the low stage is while kept mixed with gas suctioned from into the high stage After being compressed a...

Страница 29: ...uments and fully understand their contents before performing installation Electrical work must be performed only by electrical engineers 3 2 Installation Works 3 2 1 Unpacking Check that there are no...

Страница 30: ...essor unless the signals are completely understood by all personnel working together 9 Slowly windup the wire ropes until shortly before the compressor leaves the ground 10 Then wind up the wire ropes...

Страница 31: ...crew Compressor 3 2 Installation Works 1612LSC Speed Increaser Type 3 3 Outer Dimensions Mass and Lifting Position 1612LSC speed increaser type common Mass kg 560 Length mm 1372 Figure 3 1 Outer Dimen...

Страница 32: ...MYCOM 125A 5 See figure 3 2 Low stage gas outlet MYCOM 80A 3 See figure 3 2 High stage gas inlet MYCOM 80A 3 See figure 3 2 High stage discharge gas outlet MYCOM 65A 2 See figure 3 2 Low stage bearin...

Страница 33: ...tating shaft At the time of turning ON OFF each electric power breaker make sure to prevent electric shock For shaft alignment work between the compressor and driving machine use designated tools in n...

Страница 34: ...oblems Do not block flange or fittings with the mass of the piping connected to the compressor Prepare the appropriate support for piping 3 2 5 4 Equipment and Devices for Protection of the Compressor...

Страница 35: ...ition specify the procedure method and amount of the initial charge of lubricating oil and make sure to provide users of this product with such information In determining the procedure and work proced...

Страница 36: ...s to a level remarkably below the level required for operation of the compressor under some operating conditions On the contrary if the refrigerant does not dissolve in the lubricating oil or the lubr...

Страница 37: ...68 68 Kluber REFLO XL 59 Petro Canada Synthetic oils incompatible oils Brand Kinematic viscosity 40 C mm2 s Manufacturer Type Acemire 300 59 Acemire AB Mycold AB68 53 BVA ZERICE S46 46 Exxon Mobil ZER...

Страница 38: ...ncompatible with refrigerant As a general rule changing compatible oil to incompatible oil or vice versa is not allowed Lubricating oil contains various additives to fulfill necessary lubricating cond...

Страница 39: ...of pail oil container until just before charging Once the can is opened finish the oil charge as quickly as possible Finish the charge of a single can of oil within 15 minutes Cover any gaps between...

Страница 40: ...ity Within 10 from that of fresh oil d Water content 2000 mass ppm or less Note e Degree of contamination Degree of contamination measured by mass method Millipore value shall be 15 mg 100 mL or less...

Страница 41: ...t of the analysis that the criteria given in Tables 4 1 to 4 3 are not satisfied the oil must be replaced 4 1 6 2 During Normal Operation Lubricating oils will degrade gradually as the system is opera...

Страница 42: ...e compressor is stopped allow the cooling water to flow to the unit s condenser for at least 15 minutes Check the condensing pressure by using the pressure gauge of the compressor 2 Check the cooling...

Страница 43: ...mp for 10 seconds per week After that rotate the compressor shaft 10 rotations or more Measure the package unit pressure once per month Check for refrigerant leakage once per month When restarting the...

Страница 44: ...starting the work When using lifting devices e g a crane etc and or lifting tools ensure that they can sufficiently withstand the load When lifting a heavy load object do not allow anyone s body to p...

Страница 45: ...ime Using those tools smeared with oil increases the risk of slip and fall leading to an injury Also during the service there is a risk of foreign matters intruding inside the compressor to cause its...

Страница 46: ...evaporation temperature equivalent pressure Contamination on the cooling pipe surface Temperature flow rate etc of the object to be cooled Intermediate pressure MPa Pressure difference from rated ope...

Страница 47: ...exceeds 0 1 MPa replace the oil filter element At the beginning of the operation the differential pressure of the oil filter may increase quickly 3 Cleaning of suction strainer When the compressor op...

Страница 48: ...tion If the differential pressure between the front and back of the suction strainer increases check and clean the suction strainer Yearly inspection and cleaning Lubricating oil Analyze lubricating o...

Страница 49: ...atively stable operating condition Cold storage and refrigeration Every 5 years or 40 000 operating hours Relatively variable operating condition Ice maker chiller Every 4 years or 30 000 operating ho...

Страница 50: ...ly tools for the compressor by referring to Section 7 5 Disassembly Tools in this manual Chapter 7 In addition prepare other necessary tools and materials including general hand tools GC green carboni...

Страница 51: ...O ring JIS B 2401 G95 PA12 095 1 37 Snap Ring C Type Internal H102 NG11 102 To be replaced if any abnormality is found 1 38 1A Thrust Bearing 1 A CS03800 1612CP 1 38 1B Thrust Bearing 1 B CS03800 160P...

Страница 52: ...normality is found 1 160 Lock Nut AN8 NG31 008 To be replaced if any abnormality is found 1 161 Lock Washer AW8 NG32 008 1 163 O ring JIS B 2401 G25 PA12 025 1 165 O ring JIS B 2401 P21 PA11 021 1 170...

Страница 53: ...quefied refrigerant in the receiver In using either method prepare a working flow sheet of the system beforehand Check the valves to be controlled during the recovery work according to the method to b...

Страница 54: ...on piping journal lubrication 2 places oil injection 1 place capacity control loading unloading 1 place each 4 Capacity control operation electric wiring Depending on the situation of the workplace un...

Страница 55: ...ation between low stage and high stage blocks of the compressor place the compressor on a special stand as shown in Photo 004 and then remove eight or more hexagon head cap screws around the bottom fl...

Страница 56: ...mpressor should be removed from its frame and placed on a work bench prepared in advance When disassembling high stage or low stage side only start from step and disassemble necessary parts only Parts...

Страница 57: ...2202L5JE DA C5 N_2015 05 5 Maintenance and Inspection Compound 2 stage Screw Compressor 5 4 Disassembly and Inspection 1612LSC Speed Increaser Type 5 14 Figure 5 1 Disassembly Order Description...

Страница 58: ...olts into the seal cover s service holes c Use a container to catch the oil that will flow out through the gap d Pull out the seal cover keeping it parallel with the shaft rotor axis The mating ring i...

Страница 59: ...defects on the sliding surface only through visual inspection In such circumstances MAYEKAWA recommends to replace it with a new one in the same manner as with O rings or gaskets In addition if it is...

Страница 60: ...Micro switch 2 147A Hexagon socket head cap screw 2 M6x95 126 Philips screw 2 M2 5 25 147B 2 M6x60 127 Micro switch cam 1 125L 149 Micro switch Insulation plate 1 125L 128 Set screw 2 M4 8 202 Bevel...

Страница 61: ...ection a Loosen the hexagon socket head cap screws 212 holding the indicator glass Do not mistakenly loosen the phillips screws 210 on the same surface Remove the indicator shaft assembly parts 141 20...

Страница 62: ...ture to the left c Then remove two hexagon socket head cap screws fastening the micro switch base plate above picture to the right d Micro switch cam 127 is secured to the indicator cam 77 by a set sc...

Страница 63: ...the spiral groove of the indicator cam bearing and guide pin Disassembly sequence is as shown below c 1 The bearing gland 80 that holds the indicator cam is secured to the cylinder side of the unloade...

Страница 64: ...The unloader cylinder 60 is attached to the low stage bearing head 11 1 along with the speed increaser gear casing 169 by eight long bolts 61 Remove 61 and then pull out the unloader cylinder Looseni...

Страница 65: ...rop by itself even when the bolts are removed because it is fitted on the thrust bearing gland located inside However when you go on the disassembly work of this block without screwing the stud bolts...

Страница 66: ...ed increaser gear spindle before separating the speed increaser gear casing assembly a Remove the speed increaser drive gear side bearing 183 The side bearing is positioned by the spring pin 184 insid...

Страница 67: ...ser drive gear 174 and or speed increaser gear spindle 188 because no abnormalities are observed in them it is not necessary to remove the speed increaser drive gear from the speed increaser gear spin...

Страница 68: ...ting it k The inner race of roller bearing 185 which supports the spindle shaft end is attached on the shaft end with shrink fitting Pull out the inner race of the roller bearing while heat up it by u...

Страница 69: ...spection a The speed increaser gears are given extra allowance in durability to withstand hard operations and least likely to show abnormalities under ordinary operating conditions The gears are norma...

Страница 70: ...p screws 18 2 At this moment the high stage of the compressor is spaced apart the work bench Brace the high stage with a rectangular piece of wood or the like to prevent it from falling when disassemb...

Страница 71: ...e drive sleeve stopper 154 and snap ring 155 are no more used Gear coupling assembly comprising Gear coupling assembly comprising 151 152 153 154 2 155 2 and 159 151 152 153 and 159 Figure 5 7 Former...

Страница 72: ...e rotation compared to the F rotor is fast Therefore the life of a thrust bearing on the M rotor would normally be much shorter than the life of a thrust bearing on the F rotor To reduce the thrust be...

Страница 73: ...piston sleeve The sleeve can be removed easily because the gap between its outer diameter and the suction cover is loose 5 4 10 2 Inspection Although there are signs of wear on the inner surface of th...

Страница 74: ...such the main rotor casing will be supported only by one side i e overhang when the suction cover is removed To avoid this either place squared timbers or use a lifting device to properly support the...

Страница 75: ...d together with the speed increaser driven gear 179 by the lock nut 39 1A First pull out this driven gear to loosening the lock nut 5 4 12 1 Disassembly a As shown in the following picture to the left...

Страница 76: ...it above picture to the right h Remove all of the hexagon socket head cap screws 2 1 tightening the main rotor casing 1 1 to the suction cover 5 1 Next drive alignment pins 3 1 into the main rotor cas...

Страница 77: ...pull out the bearing In this way the bearing can be easily removed c The whole thrust bearing will be removed helped by the surface tension of the oil on the side face If you have failed to remove th...

Страница 78: ...t end is installed in the upper part of the low stage bearing head above picture To remove this roller bearing outer race remove the internal snap ring 186 retaining the outer race first following pic...

Страница 79: ...n matters after washing and cleaning the unit If the bearing is determined to be defective it must be replaced with new ones c If the inner race and outer race can be easily separated the wear is cons...

Страница 80: ...smooth the surface b In case of ammonia refrigerant or gas compressor the non contact surface of the rotor may be discolored by rust or deposits above picture Use sand papers or others to finish the...

Страница 81: ...fully not to damage the shaft It is recommended to apply a protective tape on the shaft surface Inspect the ends of the rotor lobes and main rotor casing in the same way as the high stage but be aware...

Страница 82: ...9 2 that is retaining the main bearing e The main bearing 27 2 is lightly press fit to the bearing head As shown in the right picture screw two M8 eyebolts into threaded holes on the main bearing and...

Страница 83: ...he O ring 197 replacement work is able to easily by removing the O ring gland 5 4 17 1 Disassembly a Remove all of the hexagon socket head cap screws 2 1 b Drive alignment pins 3 1 into the main rotor...

Страница 84: ...necessary to disassemble the unloader slide valve assembly b The guide block stem 88 is screwed from bottom of the main rotor casing and the guide block 87 is engaged from the top To replace two O ri...

Страница 85: ...ssembly sequence First of all clean the work bench and the tools to be used Immediately prior to the assembly use washing agent e g kerosene parts cleaner to clean the parts to be assembled dry them w...

Страница 86: ...Maintenance and Inspection Compound 2 stage Screw Compressor 5 5 Reassembly 1612LSC Speed Increaser Type 5 43 Figure 5 13 Assembly Order Explanation example The circled numbers in the figure do not co...

Страница 87: ...ng 59 in the Oil injection pipe guide 168 d Gently smooth the outer surface of each part with a grindstone or sandpaper before attaching it to the main rotor casing Next match the slide valve groove w...

Страница 88: ...and forth to check that it works normally Make sure to check for protrusion of the bearing head gasket after assembling the bearing head and rotor casing If this work is not performed measurements ma...

Страница 89: ...the right picture If the position is not aligned pull out the main bearing and install it in again b After attaching main bearings secure them by attaching internal snap rings above picture to the ri...

Страница 90: ...n their positions easily by checking the engraved numbers for the M rotor on the peak of the lobe on the discharge side and the F rotor on the peak of the lobe on the suction side M Rotor Assembly Mar...

Страница 91: ...of the oil supply hole Lubricate the side bearing thoroughly In case of the installing work of bearings it is helpful to use a guide rod as shown in the above picture to the left It is able to insert...

Страница 92: ...or positioning and tighten the fastening screws 2 evenly The six screws on the lower side should be tightened during final assembly on the special stand used at disassembling f Rotate the M rotor shaf...

Страница 93: ...gnment spacer 1 A for low stage M rotor 1 42 1B Thrust bearing alignment spacer 1 B for low stage F rotor 1 41 1 Thrust bearing outer race spacer 1 Low stage F rotor only 1 38 1A Thrust bearing 1 A fo...

Страница 94: ...er side make a V shaped mark using blue whetstone on the machine s inner side of the bearing b After the thrust bearing has been installed attach the thrust washer lock washer and torsional slip washe...

Страница 95: ...0 proper adjustment must be made Table 5 10 End Clearance Unit mm Compressor Model Rotor Profile High stage Low stage 1612LSC speed increaser type A 0 04 to 0 06 0 24 to 0 26 C 0 03 to 0 05 a Push the...

Страница 96: ...end clearance is within the specified value turn the M rotor shaft by hand and confirm the smooth turning without uneven tightening And then perform the measurement of the run out of the rotor shaft d...

Страница 97: ...surface of thrust bearing alignment spacer 42 by the difference between the measured value and the specified value or ask professional service vendors to do so After grinding the flat surface measure...

Страница 98: ...ar with the key 180 Secure the gear by fastening the lock nut with the lock washer and spacer placed in between Lock the lock nut by bending a tooth of the lock washer Figure 5 18 Speed Increaser Driv...

Страница 99: ...lock washer 161 and lock nut 160 in this order Fasten the lock nut with the specified torque or tightening angle range see Chapter 7 7 3 Tightening Torques for Bolts and Nuts in this manual Align the...

Страница 100: ...or right alignment pin until the high stage and low stage flange surfaces come into contact h After the flange surfaces come into contact slightly loosen the four hexagon socket head cap screws which...

Страница 101: ...fit it on the speed increaser gear spindle and install the external snap ring 187 to secure the inner race c Install the thrust bearing 189 for the speed increaser gear spindle into the speed increase...

Страница 102: ...er gear spindle into the spindle thrust bearing by lightly tapping the end of the spindle with a soft hammer or the like Alternatively preheat the speed increaser gear casing using a light projector f...

Страница 103: ...rn hole for speed increaser gear side bearing lubrication facing up as shown in the picture below Finally tighten these bolts after installing the speed increaser gear casing assembly to the bearing h...

Страница 104: ...gear casing assembly with a proper means like a chain block By holding the end of the spindle protruding from the speed increaser gear casing assembly move the assembly until the roller bearing outer...

Страница 105: ...notch in it with the bearing anti rotation pin 184 located in the casing j Turn the speed increaser gear spindle 188 by utilizing the coupling key 91 to check that there are no abnormalities With the...

Страница 106: ...while taking care of the unloader piston direction so that the screw holes for eyebolts face the unloader cover After assembly check that the cap seal is not broken or pinched d Attach the O ring 63 t...

Страница 107: ...t Attaching Speed Increaser Gear Casing Cover h The speed increaser gear casing cover 171 has a lubrication hole for the thrust bearing and mechanical seal for the speed increaser gear spindle and the...

Страница 108: ...f the rings in the V ring set is made of rubber to improve sealing capacity Make sure that the V protrusion of the V ring faces the outer side and the lip faces the inner side of the machine d Attach...

Страница 109: ...opposite side This was in order to improve oil flow from inside the seal box and ensure that pressure is not excessive Using a resinous material such as Teflon as a pad gently hit the oil seal while p...

Страница 110: ...oing so g Fasten the seal collar on the rotor shaft by screwing two set screws 111 into the securing countersinking holes on the rotor shaft Perform this fastening work with an Allen key via the machi...

Страница 111: ...in the range of two to three mm With the 1612 C compressor the thickness of the seal cover gasket is 0 5 mm m When the seal fastening margin is proper push the seal cover firmly into the speed increa...

Страница 112: ...ustment or parts replacement they need to be linked with the control side So even during an overhaul which is conducted with the compressor carried out of the installation site this portion is often r...

Страница 113: ...phillips screws 131 of the potentiometer set plate 130 This allows the potentiometer set plate with the potentiometer 129 attached to be removed The potentiometer shaft is removed with the micro switc...

Страница 114: ...embled part to the unloader cover using hexagon socket head cap screws 122 Match the indicator cam shaft of the unloader cover with the micro switch cam Rotate the micro switch cam with your hand to c...

Страница 115: ...vibration and or sound Defective capacity control oil supply line Improper adjustment of oil flow control valve throttled excessively Readjust Leak clogging in piping or solenoid valve Remove cause an...

Страница 116: ...mostly caused not by the refrigeration cycle but by the motor Refer to the instruction manual of the motor 03 Unusually low pressure decrease of suction pressure Direct cause Root cause Action Refer t...

Страница 117: ...High suction pressure Heat load on load side is higher than design value Inspect the conditions on load side warehousing volume opening closing of doors etc and take necessary measures Malfunction of...

Страница 118: ...es and take necessary actions Inspect water supply routes mechanisms and take necessary actions If frozen take measures such as improvement of heat insulation or increase of temperature Deficiency in...

Страница 119: ...load side warehousing volume opening closing of doors etc and take necessary measures Failure of low pressure protection device pressure sensor relay etc Identify defective devices investigate causes...

Страница 120: ...efective replace the defective part Overheated operation See the causes in item 02 Insufficient refrigerant flow Oil supply temperature is high See the causes in item 07 Oil supply temperature is high...

Страница 121: ...irect cause Root cause Action Inaccurate reading of compressor indicator gauge Screw for securing indicator needle is loose Manually operate the compressor s capacity control to indicate 0 position an...

Страница 122: ...If deteriorated over time replace If the symptom is caused by wet with water etc remove the cause s and then replace defective part s For details refer to the instruction manual of solenoid valve Int...

Страница 123: ...vibration or if on site overhaul only has been repeatedly performed for a long time this may be the cause Overhaul the compressor at a place where a dynamic balance measurement adjustment system is a...

Страница 124: ...as to prevent rapid changes Otherwise make adjustment by throttling the aperture of the capacity control increase side oil quantity adjusting valve Expansion valve aperture control cannot keep up with...

Страница 125: ...flow back Refer to causes of Liquid flow back during startup and Liquid flow back during operation in item 12 Entry of foreign substances Refer to causes of Foreign substances entering the compressor...

Страница 126: ...Related Documents Compound 2 stage Screw Compressor 7 1 Development Views of the Parts 1612LSC Speed Increaser Type 7 1 7 Related Documents 7 1 Development Views Assembly Sectional Views Figure 7 1 D...

Страница 127: ...2202L5JE DA C5 N_2015 05 7 Related Documents Compound 2 stage Screw Compressor 7 1 Development Views of the Parts 1612LSC Speed Increaser Type 7 2 Figure 7 2 Development View High stage...

Страница 128: ...2202L5JE DA C5 N_2015 05 7 Related Documents Compound 2 stage Screw Compressor 7 1 Cross section Views of the Parts 1612LSC Speed Increaser Type 7 3 Figure 7 3 Assembly Sectional View Vertical...

Страница 129: ...2202L5JE DA C5 N_2015 05 7 Related Documents Compound 2 stage Screw Compressor 7 1 Cross section Views of the Parts 1612LSC Speed Increaser Type 7 4 Figure 7 4 Assembly Sectional View Horizontal...

Страница 130: ...1 1 1 13 Hanger Bolt NB600 12 M12 1 1 1 14 Spring Pin NE3204 010 4 10 4 4 4 15 1A Plug NF06 004 R1 8 1 1 1 15 1B Plug NF06 004 R1 8 1 1 1 15 1C Plug NF06 015 R1 2 1 1 1 15 1D Plug NF06 020 R3 4 1 1 1...

Страница 131: ...e 1 1 1 43 1B Thrust Bearing Gland 1 B CS04300 1612C3F 1 1 1 43 2A Thrust Bearing Gland 2 A CS04300 1612C2F 1612 C 1 1 1 43 2B Thrust Bearing Gland 2 B CS04300 1612C2M 1612 C 1 1 1 45 1A Hexagon Head...

Страница 132: ...K 80A 3 1 1 1 95 2 Discharge Flange 2 CS71400 065 MYK 65A 2 1 2 1 1 1 96 1 Gasket Discharge Flange 1 CR72000 080N MYK 80A 3 1 1 1 96 2 Gasket Discharge Flange 2 CR72000 065N MYK 65A 2 1 2 1 1 1 97 1 H...

Страница 133: ...00 200 1set 1set 1set 190 Gland Thrust Bearing CS19000 1610C 1 1 1 191 Hexagon Head Bolt NB111012 035 M12 35 4 4 4 192 Conical Spring Washer CS04600 200 M12 4 4 4 193 Lock Nut NG31 013 AN13 1 1 1 194...

Страница 134: ...nloader Slide Valve Unloader Slide Valve 2 25 250 4 M8 30 61 Unloader Cylinder to Speed Increaser Gear Casing 25 250 8 M8 95 76 Unloader Cylinder Cover to Unloader Cylinder 10 100 8 M6 35 81 Bearing G...

Страница 135: ...ten the lock nut by using a lock nut wrench until the rotor starts to turn Take care not to over tighten b Put a mark on the lock nut at the right side edge of the rotor groove where the stopper tongu...

Страница 136: ...ylinder G95 65 Unloader Piston same as left P75 73 Unloader Push Rod Unloader Piston P21 75 Unloader Cover same as left G85 86 Oil Injection Pipe same as left P16 89 Guide Block Stem same as left P16...

Страница 137: ...Flat blade SG111 075 Snap ring pliers external for shaft ST 2N SG311 02N Snap ring pliers internal for groove RT 4 SG312 04 Eye bolt M8 two peace set UHT0016 Allen wrench key Across flats 2 mm SG241...

Страница 138: ...MARUNOUCHI NAKA KU NAGOYA CITY AICHI 460 0002 TEL 052 218 3307 FAX 052 218 3308 Kansai Branch 1 4 27 EBIE FUKUSHIMA KU OSAKA CITY OSAKA 553 0001 TEL 06 4795 6000 FAX 06 4795 6033 Chugoku Branch 2 3 40...

Страница 139: ...5 645 9400 FAX 1 425 353 3344 MAYEKAWA U S A INC COVINA OFFICE 1272 CENTER COURT DR SUITE 106 COVINA CA 91724 U S A TEL 1 626 598 5030 FAX 1 MAYEKAWA U S A INC SAN ANTONIO OFFICE 1219 SAFARI SAN ANTON...

Страница 140: ...102 451 FAX 971 2 5102 571 MAYEKAWA MIDDLE EAST FZCO P O BOX 61349 PBU RA08 UC05 JEBEL ALI FREE ZONE DUBAI U A E TEL 971 4 888 6363 FAX 971 4 888 6373 MAYEKAWA TURKEY SOGUTMA SANAYI VE TICARET LIMITED...

Страница 141: ...TAGORE LANE SINGAPORE 787470 TEL 65 6451 1565 FAX 65 6451 4932 MAYEKAWA TAIWAN CO LTD KAOHSIUNG OFFICE No 2 1 XINZHAN RD QIANZHEN DIST KAOHSIUNG CITY 80672 TAIWAN ROC TEL 886 7 821 0886 FAX 886 7 821...

Страница 142: ...UNGANG DAERO JUNG GU BUSAN 600 714 REP OF KOREA TEL 82 51 242 3737 FAX 82 51 243 8542 LATIN AMERICA MAYEKAWA ARGENTINA S A BUENOS AIRES OFFICE DR JOSE VALENTIN GOMEZ 151 LOT42 HAEDO PARTIDO DE MORON B...

Страница 143: ...INDUSTRIAIS LTDA GOIANIA BRANCH RUA C 255 QUADRA 588 LOTE 4 8 SALA 104 CENTRO EMPRESARIAL SEBBA GOIANIA GO CEP 74280 010 BRASIL TEL 55 62 3093 5062 FAX MAYEKAWA DO BRASIL EQIPAMENTOS INDUSTRIAIS LTDA...

Страница 144: ...V DE LOS 50MTS NO 381 CIVAC JIUTEPEC MORELOS C P 62578 MEXICO TEL 52 77 73 19 0925 FAX 52 77 73 20 5762 MAYEKAWA DE MEXICO S A DE C V MEXICO CITY OFFICE AV COYOACAN 945 COL DEL VALLE DEL BENITO JUAREZ...

Страница 145: ...2202L5JE DA C5 N_2015 05 MAYEKAWA MFG CO LTD 3 4 15 Botan Koto ku Tokyo 135 8482 JAPAN TEL 81 3 3642 8181 FAX 81 3 3643 7094 http www mayekawa com...

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