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Danfoss EM-PMI375-T200, User Manual

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Danfoss EM-PMI375-T200 User Manual Download Page 71

Electric Machine Weekly Maintenance Checklist
Date:

Table 16. Machine and customer information

Customer:

Machine type (from the rating plate):

Customer reference:

Machine serial number:

Service reference:

Date installed:

N.A = Procedure not applicable PASS = Procedure passed FAIL = Procedure failed

Table 17. Electric Machine Weekly Maintenance Checklist

N.A

PASS

FAIL

General construction

Noise or vibration during operation in general

☐

☐

☐

Cooling system

Functioning of the cooling system in general

☐

☐

☐

Notes:
-
-
-
-
-
-
-
-
-

EM-PMI375

13. Storage, installation and maintenance checklists

70 | 

©

Danfoss | Produced By: Danfoss Power Solutions | January 2019

| BC265856307805en-000105

Summary of Contents for EM-PMI375-T200

Page 1: ...User Guide Motor Generator EM PMI375 danfoss com ...

Page 2: ...sed technology 3 3 System introduction 3 4 Connections and interfaces 3 5 Rating plate 3 6 Tightening torques 4 Design principles 4 1 System design 4 1 1 Cooling and temperature measurement 4 1 2 Inverter 4 2 Mounting structure 4 2 1 Supporting structure requirements 4 2 2 Shaft alignment and load 5 Transportation and storage 5 1 Transportation 5 2 Receiving and unpacking 5 3 Lifting 5 4 Storage 5...

Page 3: ...tion monitoring during operation 7 3 Recommended lubricants 7 4 Recommended coolants 7 5 Emergency operation 8 Maintenance 8 1 Regular maintenance 8 2 Cleaning 8 3 Bearings and lubrication 8 4 Cooling system maintenance 9 Dismounting 10 Troubleshooting 11 Aftersales 11 1 Service policy 11 2 Service parts 12 Disposal 13 Storage installation and maintenance checklists EM PMI375 Table of Contents 2 D...

Page 4: ...Revision Information 5 EM PMI375 BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 3 ...

Page 5: ... manual uses illustrations as examples only Illustrations in this manual may not necessarily re ect all system features Product naming convention Frame model indicates dimensions and electrical characteristics of the electric machine The following naming convention is used to refer to the electric machine frame model EM PMI375 T200 XXXX XX EM PMI375 T500 XXXX XX EM PMI375 T800 XXXX XX EM PMI375 T1...

Page 6: ...ble with BHS option Cable direction x Cable direction towards D end CNE Cable direction towards N end Rotation sensor resolver x No rotation sensor RES1 In built non contacting resolver 6 pole pair Winding temperature sensors x 3 x PT100 in windings TEMP4 6 x PT100 in windings Bearing temperature sensors x None BTMP1 PT 100 in bearings with plug in connector Anti condensation heaters x None HEAT1 ...

Page 7: ...or Anti condensation heaters x None HEAT1 One 230VAC 50W anti condensation heater Table 4 EM PMI375 T800 options Feature Option Standard option Explanation High voltage connections x One connection box containing one 3 phase system with one M25 cable gland per phase DUAL 2 connection boxes each containing one 3 phase system with one M32 cable gland per phase Mounting direction x Can be mounted in ...

Page 8: ...n box containing one 3 phase system with one M25 cable gland per phase DUAL 2 connection boxes each containing one 3 phase system with one M32 cable gland per phase N end attachment NE1 x SAE 4 FH NE2 Male shaft ange DIN5480 W55x2x30x26x8a SAE 4 FH Bearing insulation x Bearing types according to BHS BIN SKF 6214 insulated bearing in N end BIA SKF 6214 insulated bearing in both ends Shaft grounding...

Page 9: ... 6 Methods of cooling IEC 60034 7 1993 Rotating electrical machines Part 7 Classi cation of types of construction mounting arrangements and connection box position IM Code IEC 60034 8 2007 A1 2014 Rotating electrical machines Part 8 Terminal markings and direction of rotation IEC 60034 14 2004 A1 2007 Amendment 1 Rotating electrical machines Part 14 Mechanical vibration of certain machines with sh...

Page 10: ...ed from the machine resolver deg GND Ground in electrical connections Ω Ohm Resistance Ω Table 8 Term abbreviation Term Abbreviation Explanation Resolver Rotation meter in electric machines used for measuring degrees of rotation AC Alternating current DC Direct current PMSM Permanent Magnet Synchronous Machine SRPM Syncronous Reluctance assisted Permanent Magnet S1 Duty type according to the IEC60...

Page 11: ...uthorized personnel The installation of the system complies with the requirements of the appropriate regulations The electric machine is used in accordance with the instructions in this manual The electric machine is installed maintained and serviced in accordance with the instructions in this manual EM PMI375 1 General information 10 Danfoss Produced By Danfoss Power Solutions January 2019 BC2658...

Page 12: ...uld result in death or serious injury CAUTION Indicates a potentially hazardous situation which if not avoided may result in minor or moderate injury CAUTION may also alert against unsafe practices NOTICE Indicates a potentially hazardous situation which if not avoided could result in property damage Safety symbols The following safety and information related symbols appear in this manual and on t...

Page 13: ...e caused if lifting system or lifting brackets fail Security features The electric machine has at least one PT100 temperature sensor in the windings The amount of the sensors depend on the options chosen The temperature signal s can be read out from the measurement connector of the machine You can connect the temperature signal to the temperature surveillance pin in the inverter EC C and make sure...

Page 14: ...signed with high standards of EMC in mind Connect the power lines and groundings along the instructions in this manual to achieve the required level of EMI protection It is the responsibility of the installer to ensure that the equipment or system into which the product is incorporated complies with the EMC legislation of the country of use Within the European Union equipment into which this produ...

Page 15: ...he electric machines feature Syncronous Reluctance assisted Permanent Magnet SRPM motor technology having several advanced features Extremely compact and robust structure High efficiency throughout the operation range Liquid cooling with water glycol mixture Low coolant ow required High allowed coolant temperature IP65 enclosure class to maximize reliability Multiple mounting possibilities Extended ...

Page 16: ...Figure 2 EM PMI375 T500 Figure 3 EM PMI375 T800 EM PMI375 3 Product overview BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 15 ...

Page 17: ... a power generation equipment the electric machines are intended to be powered by a prime mover for example an internal combustion engine and controlled by the above mentioned electric power inverter The electric machine is solely intended for professional use and may be operated only by trained professionals The maintenance of the electric machine may be done only by trained professionals Not all...

Page 18: ... to prevent rolling or falling of the machines Using the electric machine in potentially explosive environment Allowing dirt or liquid to enter into the electric machine or connection box Using cables that can t withstand the maximum currents of the electric machine Used technology The electric machine is a Syncronous Reluctance assisted Permanent Magnet SRPM machine This technology has several be...

Page 19: ...ystem The electric machines are liquid cooled with water glycol mixture For more information see chapter Cooling connections A low voltage measurement signal connector is attached to the electric machines Different temperature and resolver signals can be read depending on the machine options chosen For more information about the connection see chapter Low voltage connections The electric machines s...

Page 20: ...aft connection s Cooling system connections bores Grease escape ll connections depending on model and option BHS maintenance use only Air ventilation plug Electrical interfaces Power connections through the connection box Measurement connections Anti condensation heater s connector HEAT1 Power grounding connection Low voltage measurement signal grounding connection EM PMI375 3 Product overview BC2...

Page 21: ...Figure 8 Connections and interfaces EM PMI375 3 Product overview 20 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856307805en 000105 ...

Page 22: ...rement connector including low voltage grounding connector 9 Grease escape connection D end and N end BHS option dependent 10 Lifting points 11 Additional attachment points Rating plate Each electric machine has a rating plate which can be found on top of the machine The rating plate contains machine rating and identi cation The rating values in the gure below are not correct for this machine See ...

Page 23: ...ss of the electric machine kg Duty De ned rotating electric machine duty cycles by IEC60034 1 standard Tamb Rated ambient temperature C IP rating Enclosure class according to IEC60034 5 Cooling Cooling method according to IEC60034 6 Rotation Direction of rotor rotation with default phase order Observed facing the D end Max n Maximum rotation speed rpm Insul class Temperature rating class of insula...

Page 24: ... attachment support or auxiliary components 30 Nm Connection box mounting screws 7 Nm Connection box cover plate screws 4 Nm Cable gland tighten from the cap of the gland 15 Nm Cable lug 15 Nm EM PMI375 3 Product overview BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 23 ...

Page 25: ...ings The amount of the sensors depend on the options chosen The temperature signal s can be read out from the measurement connector of the machine You can connect one temperature signal to the temperature surveillance pin in the inverter EC C1200 and make sure that the inverter has the machine temperature protection feature activated The maximum allowed winding temperature of the machine is 150 ºC...

Page 26: ...plate For more information please contact Danfoss representative You can connect one of the temperature signals from the low voltage connector to the temperature surveillance pin in the inverter and make sure that the inverter has the machine temperature protection feature activated EM PMI375 4 Design principles BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 25 ...

Page 27: ...nts See the length and the diameter data of the electric machine from the product drawing Main dimensions of the electric machine are shown in the Figure below not an exact illustration of the electric machine The electric machine has a SAE 3 D end ange IM 3001 A SAE 3 ywheel housing is required as mating ange The machine s N end ange SAE 4 ywheel housing can be used for auxiliary components or su...

Page 28: ...lar misalignment or combination of those With parallel misalignment the center lines of both shafts are parallel but they are offset With angular misalignment the shafts are at an angle to each other Figures below illustrate the parallel and angular misalignment Figure 13 Parallel alignment of the shaft and mating structure Figure 14 Angular alignment of the shaft and mating structure The maximum e...

Page 29: ...Figure 15 External shaft forces of the machine EM PMI375 4 Design principles 28 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856307805en 000105 ...

Page 30: ...ngerous voltage during rotation Contact Danfoss representative if the rotor can t be rotated Check upon arrival and unpacking The electric machine and the package must be inspected immediately upon arrival Make sure that the rating plate data in the cover letter complies with the purchase order Any external damage in shaft ends anges electrical interfaces and paint must be photographed and reporte...

Page 31: ... correct lifting slings Use correct position and angle of lifting Permissible range of lifting angles is from 0 to 30º See the electric machine rating plate and data sheets for weight information Lift the electric machine using the correct lifting lugs eyes only Do not go under a lifted load EM PMI375 5 Transportation and storage 30 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856...

Page 32: ...ing Install 2 pieces of lifting eyes to the lifting bores in the machine frame Mount the lifting eyes with their full threaded length Vertical lifting Install 2 pieces of lifting eyes to the lifting bores in the N end SAE ange Lifting eye should be mounted with its full threaded length EM PMI375 5 Transportation and storage BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions Januar...

Page 33: ... be subject to any external vibrations during storage to avoid damage to the bearings It is recommended to use anti condensation heaters if tted or direct winding heating to avoid water condensing in the electric machine Rotate the shaft of the electric machine by hand monthly at least ten revolutions to prevent grease migration Extended storage Electric machines equipped with relubricable bearing...

Page 34: ...the electric machine Use isolated electric tools Only trained and quali ed personnel familiar with the relevant safety requirements can work with the electric machine Use correct personal protective equipment when you are near the electric machine Read the instructions in this manual before you install the electric machine Required tools Following tools are required to install the electric machine...

Page 35: ... be exceeded in room temperature Contact Danfoss representative if the reference value is not exceeded Mechanical installation Allowed mounting positions EM PMI375 T200 uses the mounting option 1 See Figure below EM PMI375 T500 and EM PMI375 T800 use the mounting option 1 as standard but with grease lubricated bearings they use mounting option 2 See Figures below EM PMI375 T1100 uses mounting opti...

Page 36: ...lectric machine with the mating housing alignment See Chapter Shaft alignment and load 4 Connect the shaft of the electric machine make sure to use full spline engagement Lubricate the spline A recommended spline lubricant is a 50 50 compound of a high temperature grease and a molybdenum disulphide powder When applied initially and re applied at proper intervals it will help prevent fretting corro...

Page 37: ...s Depth of the thread is 19 mm Minimum bolt thread engagement of 15 mm is required 3 Bores for the lifting eyes Mounting bolts 12 pcs of DIN912 M10 Not included in the delivery Shaft male in the N end of the electric machine with option NE2 is DIN5480W50x2x24x8f Shaft female in the N end of the electric machine with option NE3 is DIN5480N38x2x18x9H Vertical assembly In vertical assembly follow the...

Page 38: ...ues can be found in the electric machine rating plate To connect the machine to cooling circuit use connectors or adapter kit that can be attached to G1 2 bores 2xM16x1 5 It is recommended to use coolant connector equipped with o ring seal or to use sealing washer for example Usit or Bonded seals in the connection In addition it is recommended to use thread sealant Loctite 577 or similar at the co...

Page 39: ...gh voltage cables of the electric machine are connected to the connection box or connection boxes of the machine Figure below shows the components of the high voltage connection box assembly 1 Remove the cover of the terminal box 2 Install the power cables according to the wiring diagram 3 Replace the cover of the terminal box EM PMI375 6 Installation 38 Danfoss Produced By Danfoss Power Solutions...

Page 40: ... High voltage connection assembly structure 1 Terminal box cover includes gasket 2 Cable glands 3 pcs EM PMI375 6 Installation BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 39 ...

Page 41: ...n diagram for electric machine with one connection box For an electric machine with option DUAL two three phase systems the electrical connection principles from the inverters are shown in Figure below For an electric machine with connection option other than SINGLE the electrical connection principles from the inverters are shown in the Figure below See also Wiring Diagram The amount of inverters...

Page 42: ...PFLITSCH gland catalogue available from http www p itsch de Use correct type of gland for different cable diameters These are shown in Table below Table 10 Cable gland alternatives Cable diameter Cable gland 35 mm2 50 mm2 70 mm2 P itcsh blueglobe mstri225 x x P itcsh blueglobe mstri232 x x 1 Remove the small hexagonal piece from the BlueGlobe sealing insert as shown in Figure below EM PMI375 6 Inst...

Page 43: ... that is used and cut to suitable lenght Do not remove the cable sheath completely at this point and do not cut the braid screen of the cable Figure 25 Cut lenght of the cable sheath 3 Insert the cable to the cable gland with slight turning motion This helps the cable go through the spring inside the cable gland Push the cable gland against the sheath of the cable as shown in Figure below EM PMI37...

Page 44: ...in Figure below Make sure that the cable gland spring is against the cable sheath before cutting the braid screen Figure 27 Cut the braid screen 5 Cut a piece of length D of the inner sheath shown in Figure Cutting the inner sheath The length D must equal to the length of the cable lug body EM PMI375 6 Installation BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 43...

Page 45: ...shrink tube and shrink it over the cable lug and braid screen as shown in Figure below This is done to keep the braid screen in place and for extra insulation The shrink tube must be speci ed for operating temperature range from 40 ºC to 150 ºC Self gluing shrink tube is recommended EM PMI375 6 Installation 44 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856307805en 000105 ...

Page 46: ... connection is shown in Figure below Do not tighten the connection at this point to ensure tting of the cable gland Make sure that there is at least 10 mm air gap between the cable lug and other metallic structures including the braid of the cable If the air gap is smaller use extra insulation shrink tube to cover the lug EM PMI375 6 Installation BC265856307805en 000105 Danfoss Produced By Danfoss...

Page 47: ... Nm 11 Repeat the procedure to the other cables 11 Repeat the procedure to the other cables and connection box if the machine includes DUAL option 12 Check that the phase connections order in the connection box is correct ie corresponding phases between the inverter and the machine are connected U V W correspond to the L1 L2 L3 phases 13 Close the connection box Tighten the connection box cover sc...

Page 48: ...perature data comes from PT100 sensors in the stator windings and in some cases in the bearings The rating plate has the information about the options of the machine different options add sensors and some machines do not have all the sensors that are listed in the table below For more information about the options refer to the data sheet of the electric machine Figure 32 Low voltage connector 1 EM ...

Page 49: ...perature 5 PT100 P windings option TEMP4 44 Temperature 5 PT100 N windings option TEMP4 43 Temperature 6 Temperature 6 PT100 P windings option TEMP4 28 Temperature 6 PT100 N windings option TEMP4 16 Resolver COS_N Resolver RES_COS_N in built non contacting 35 Resolver COS_P Resolver RES_COS_P in built non contacting 20 Resolver SIN_N Resolver RES_SIN_N in built non contacting 36 Resolver SIN_P Res...

Page 50: ...have their own grounding points For proper and safe operation it is important to ensure proper grounding earthing of the machine and cable shields connected to the machine The electric machine has a connection point for machine enclosure grounding and for low voltage cable shield grounding Figure 35 Grounding points Testing the power cable shield grounding earthing EM PMI375 6 Installation BC26585...

Page 51: ... grounding point 3 Measure the resistance between the cable shield and the enclosure grounding point Anti condensation heater connections Do not run the electric machine when the anti condensation heater is in use Water condensing inside the electric machine enclosure can result in failure or corrosion of the machine This often happens in cooler temperatures or higher humidity areas typically in m...

Page 52: ...ter element If the electric machine has an anti condensation heater and failure is suspected contact Danfoss representative EM PMI375 6 Installation BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 51 ...

Page 53: ...eration Entanglement hazard Do not touch the electric machine during operation Do not run the electric machine when the heater is in use Use sufficient personal protective equipment when you are near the electric machine Read the instructions in the manual before you install the electric machine Operation conditions The electric machine should be used for its intended purpose only and within limits ...

Page 54: ...oting Maximum temperature of the bearings of the electric machine is 120 C Maximum temperature of the windings of the electric machine is 150 C Recommended lubricants Do not mix different types of grease Consult SKF for using other greases Greased for life bearings do not need relubrication during their lifetime Grease relubricable bearings BHS option need regular greasing See Chapter Maintenance B...

Page 55: ...mation contact Danfoss representative The temperature measurement of the electric machine fails The operation temperature of the electric machine is measured by PT100 temperature sensors in the electric machine windings The temperature signals can be read out from the measurement connector of the electric machine and connect to the temperature surveillance pin in the inverter for example In case o...

Page 56: ...c machine Read the instructions in the manual before you start to work with the electric machine To ensure safe and reliable operation of the machine obey the maintenance instructions carefully Regular maintenance Inspect the machine at regular intervals Use the regular maintenance checklists for help Do not attempt to tighten bolts or screws that are not discussed in this manual and that are not ...

Page 57: ...tem Operation Functioning Cooling system functions as speci ed X Tubing and connection tightness No visible leakage If leaking tighten connections appropriately or replace parts X Ventilation plug Cleanliness Clean if necessary See chapter Cleaning X Coolant ow Coolant ow direction Change direction by changing the connections or ow direction from the pump See Chapter Cooling system maintenance X C...

Page 58: ...ime information is a standard way of expressing the lifetime and means the time period at the end of which 90 of the bearings are still reliably working Grease relubricable bearings BHS option need regular greasing This is due to the limited lubricant grease lifetime in operation conditions and is shorter time period than the actual bearing lifetime The bearing type for electric machine with optio...

Page 59: ...ifetime depends also on the rotation speed of the machine and the temperature of the bearing The bearing lifetime is a combination of both mechanical bearing lifetime and bearing grease lifetime and is illustrated in the following gures both for horizontal and vertical mounting Figure 38 Electric machine bearing lifetime with greased for life bearings horizontal mounting EM PMI375 8 Maintenance 58...

Page 60: ...act Danfoss Bearing relubrication Beware of rotating parts Do not touch the electric machine during operation The surface of the electric machine can be hot Use correct protective equipment heat resistant gloves when you handle the electric machine The information of bearing lifetime and bearing grease lifetime are estimations only to provide a magnitude of them The bearing lifetime and bearing gr...

Page 61: ...If possible let the machine run approximately one hour to let the old grease exit NOTE It is normal if no grease exits the electric machine This is because the cavities inside the electric machine can hold a lot of grease 6 Install the plugs on the grease nipples and on the grease escape holes Cooling system maintenance The electric machine cooling system requires certain regular maintenance activ...

Page 62: ... bores in the machine frame and the lifting slings to the lifting eyes Support the machine with lifting slings when dismounting Refer to Chapter Lifting 2 Loosen the mounting bolts for more information refer to Chapter Mounting the electric machine 3 If axial force is required use the bores in D end ange to push the electric machine out from the mating structure EM PMI375 9 Dismounting BC265856307...

Page 63: ...option Apply bearing lubricant grease See Chapter Bearings and lubrication Too much grease at the bearing housing electric machine with BHS option Open grease escape valve and let the electric machine run for 10 min Clean the grease escape channel from solidi ed grease using brush if necessary Incorrect bearing grease Check that the used grease is of correct type Incorrect radial lip seal Check th...

Page 64: ...brication and conditions Insulation fault Measure the insulation resistance refer to the manufacturer limits See Chapter Insulation resistance test Replace the electric machine if necessary Anti condensation heater failure The heater element is faulty Measure the resistance of the heater element see Chapter Anti condensation heater connections If the heater is faulty contact Danfoss Temperature me...

Page 65: ...rvice parts The recommended service parts are listed in the table below Quantity describes the number of components in a single electric machine Maintenance procedures not decribed in this manual require special tools and instructions Contact Danfoss for more information and purchasing Figure 41 Recommended service parts EM PMI375 11 Aftersales 64 Danfoss Produced By Danfoss Power Solutions Januar...

Page 66: ... plug PMF 100444 Metal Vent 6 10324 1 Seal O ring 99 1 X 2 4 NBR70 5 10323 1 Bearing N end Deep groove ball non insulated in N end BI0 and BID options SKF 6211 2RS1 C3 WT 5 12519 1 Bearing N end Deep groove ball insulated in N end BIN and BIA options SKF 6211 2RS1 HC5C3WT 6 10591 1 Seal O ring 107 X 2 5 NBR70 7 16851 1 Wear sleeve Speedi sleeve SKF 99196 8 10973 1 Seal radial lip D end 50 x 65 x 8...

Page 67: ...rder number Qty Description Type 1 16597 1 connection box Connection box cover 1 10348 3 connection box Cable gland power connections M25 X 1 5 BG225MSTRI PFLITSCH EM PMI375 11 Aftersales 66 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856307805en 000105 ...

Page 68: ...he electric machine and any of its parts by appropriate means in accordance with local laws and regulations EM PMI375 12 Disposal BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 67 ...

Page 69: ... as required Shaft alignment as speci ed see chapter Shaft alignment and load D end attachment bolt tightening torque 40 Nm N end attachment bolt tightening torque 30 Nm Cooling circuit connected and coolant owing Used coolant Power connections Cable gland assembly as speci ed cable gland to cables with correct cable diameter Cable lug air cap to metallic structures 10 mm Cable gland tightening to...

Page 70: ...able shield grounding resistances measured and validä Do not try to tighten bolts or screws that are not discussed in the product manual and that are notneeded for the normal installation procedures Sealing of the screws may break Notes Signature Date EM PMI375 13 Storage installation and maintenance checklists BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 69 ...

Page 71: ...Procedure not applicable PASS Procedure passed FAIL Procedure failed Table 17 Electric Machine Weekly Maintenance Checklist N A PASS FAIL General construction Noise or vibration during operation in general Cooling system Functioning of the cooling system in general Notes EM PMI375 13 Storage installation and maintenance checklists 70 Danfoss Produced By Danfoss Power Solutions January 2019 BC26585...

Page 72: ...ctric Machine Monthly Maintenance Checklist N A PASS FAIL General construction Noise or vibration during operation in general Cleanliness of the enclosure and connected parts Electrical system Weariness of the cables Cooling system Functioning of the cooling system in general Tightness of the ventilation plug Cleanliness of the ventilation plug Notes EM PMI375 13 Storage installation and maintenan...

Page 73: ...al Cable gland tightening torque to the box 15 Nm Cable lug tightening torque to the busbar 13 Nm Connection box cover bolts tightening torque 4 Nm Cooling system Coolant ow direction changed and connection checked Coolant quality as speci ed Used coolant Functioning of the cooling system in general Tightness of the tubing and connections no leakages Cleanliness of the ventilation plug Grounding P...

Page 74: ...For cleaning instructions refer to chapter Cleaning Notes EM PMI375 13 Storage installation and maintenance checklists BC265856307805en 000105 Danfoss Produced By Danfoss Power Solutions January 2019 73 ...

Page 75: ...Part description Part type Quantity Item order number _ _ _ _ _ Notes Signature Date EM PMI375 13 Storage installation and maintenance checklists 74 Danfoss Produced By Danfoss Power Solutions January 2019 BC265856307805en 000105 ...

Page 76: ...or storage in this User Guide or from the Data Sheet Fill in the date of each inspection to the table below Table 24 Storage checklist Procedure Date Date Date Date Date Storage base as speci ed vibration free Storage temperature and humidity as speci ed Machine type and serial number is correct Machine supported correctly Shaft rotated as speci ed 10 rotations monthly EM PMI375 13 Storage install...

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