Baltech VP-3450 Operation Manual Download Page 31 | Manualshive

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Device for bearing diagnostics using shock pulse method

Operation manual

Section 5 Maintenance

31

5.

Maintenance

5.1.

Tester cleaning

The tester should be cleaned with a cotton cloth moistened with a mild soap
solution and wiped dry.

5.2.

Battery replacement

The tester is powered from alkaline battery 1.5 V (LR6) or from rechargeable
batteries. If the display shows “LOW BATTERY” it means that the battery
should be replaced. Unscrew the screws on the battery cabinet cover, remove
the cover and replace the batteries, observing the polarity.

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Summary of Contents for VP-3450

Page 1: ...2016 BALTECH VP 3450 device for bearing diagnostics using shock pulse method OPERATION MANUAL...

Page 2: ...nce of the instructions given in this operation manual The information contained in this operation manual is subject to change without notice It is strictly forbidden to use copy or translate this ope...

Page 3: ...d operation 9 3 4 1 Operation principles 9 3 5 Marking preservation and packing 13 4 Operation 14 4 1 Operation conditions 14 4 2 Preparation to operation 14 4 2 1 Unpacking and installation 14 4 2 2...

Page 4: ...gure 4 4 Shock pulse measurement 17 Figure 4 5 Measurement range set 19 Figure 4 6 Headphone mode 20 Figure 4 7 Measurement point selection 22 Figure 4 8 Follow up form 23 Figure 4 9 Bearing good cond...

Page 5: ...BALTECH VP 3450 Note Baltech wants our customers to be satisfied with the device for bearing diagnostics using shock pulse method BALTECH VP 3450 Therefore if you have any questions do not hesitate to...

Page 6: ...uirements When working with the tester strictly observe the safety requirements Caution Nonobservance of the safety requirements may result in serious injury or failure of the device Strictly observe...

Page 7: ...ription 7 3 Technical description 3 1 Application The device for bearing diagnostics using shock pulse method BALTECH VP 3450 Figure 3 1 is intended to perform monitoring of rolling bearings of rotato...

Page 8: ...istics Value Measurement range dBsv 9 99 Resolution dBsv 1 Maximum absolute error dBsv 2 Supply voltage V 9 Dimensions mm 255 105 60 Weight kg 0 8 3 3 Delivery set Table 3 2 No Name Q ty Appearance 1...

Page 9: ...n during normal bearing operation without influence of vibration generated by a machine or bearing The shock pulse method allows timely detecting bearing defects resulted from improper manufacture imp...

Page 10: ...tests and measurements conducted on new bearings and correction of different bearing operation and their rotation speed according to the dBn standard dBn dB normalized the standard dB value It is a st...

Page 11: ...chip microcontroller LCD and film keyboard on the front panel The batteries are in the battery cabinet The battery cabinet cover is fixed with screws The outputs for the sensor and headphones are on...

Page 12: ...s 2 Condition scale Current condition is determined by the shock pulse method according to the scale color green yellow and red Green Good condition Yellow Warning Red Damage 3 Pulse indicator The pul...

Page 13: ...t 7 8 Navigation key Up and navigation key Down These keys are used for adjustment of volume and measurement range 3 5 Marking preservation and packing The tester is marked with a serial number which...

Page 14: ...used The continuous operation time without the battery replacement reduces considerably 4 2 Preparation to operation 4 2 1 Unpacking and installation To unpack the tester open the transportation case...

Page 15: ...down the following information is saved the last shock pulse reading dBm dBc dBi arrow position on the condition scale press the SET key to change settings the last reading or arrow position on the c...

Page 16: ...Press the SET key to open the menu Press the SET key again to move the cursor to the rpm input field Input the rpm value Use the RIGHT key to move from one digit to another The maximum rotation speed...

Page 17: ...e M key to exit the setting mode Note When dBi is lower than 9 or higher than 40 the display shows two hyphens Shock pulse measurement Switch on the tester BALTECH VP 3450 the last reading and dBi val...

Page 18: ...Press and hold the M key the measurement results shown on the screen will be updated once in a few seconds until the M key is released MEASUREMENT RANGE SET In the operation mode the tester continuous...

Page 19: ...To determine a shock pulse source the headphones can be used The operation principle of the headphones is as follows if the shock pulse value is higher than the measurement range the pulse is audible...

Page 20: ...ode 4 3 Use of the tester BALTECH VP 3450 4 3 1 Establishment of equipment monitoring system In order to obtain accurate and reliable readings using the tester BALTECH VP 3450 two main requirements sh...

Page 21: ...to 19 999 rpm and maximum dBi 40 The minimum dBi value is 9dBi the real limit is 0 dBi as in case of low values for low speed bearings it is almost not possible to obtain useful information on the be...

Page 22: ...bearing Figure 4 7 Measurement point selection If the measurement point doesn t correspond to the above requirements the condition scale will not correspond to true values Determine the strongest sign...

Page 23: ...Device for bearing diagnostics using shock pulse method Operation manual Section 4 Operation 23 Figure 4 8 Follow up form...

Page 24: ...l should be detailed and reliable During measurements you should consider that some machines contain shock pulse sources Besides bad bearing condition may be resulted from lots of reasons other than d...

Page 25: ...good bearing is lower than 20 dB the dBc value within the range 5 10 dB If these values are very low it can indicate incorrect measurements for example in case of improper measurement point or bearing...

Page 26: ...at an early stage of development Bearing with severe damage Figure 4 11 If the dBm value is higher than 35dB red area dBc and dBm values differ considerably the dBm value indicates the bearing damage...

Page 27: ...after the lubrication change the dBm value decreases a little it means that the bearing is damaged d Periodic shock pulses Figure 4 12 A periodic shock pulse is typically equal or multiple of the bear...

Page 28: ...Insufficient lubrication lubrication of poor quality use of waste resin or condensated oil Nonsymmetrical installation or bending Emergency shutdown Change oil or increase oil supply Figure 4 14 Impro...

Page 29: ...f the values disappear the reasons are Improper bearing operation the sensor is attached to a measurement object not tightly or damaged If the tester and the rolling element bearing are in good condit...

Page 30: ...alues of damaged bearings Figure 4 17 Damaged heavy duty needle roller bearings generate a dramatic increase of shock pulses With time the damaged surface can be smoothed which will result in reductio...

Page 31: ...a cotton cloth moistened with a mild soap solution and wiped dry 5 2 Battery replacement The tester is powered from alkaline battery 1 5 V LR6 or from rechargeable batteries If the display shows LOW B...

Page 32: ...ection 6 Storage and transportation 6 Storage and transportation During transportation and storage the tester should be packed in the transportation case It is recommended to remove the batteries befo...

Page 33: ...haracteristics in case of the observance of the operation maintenance storage and transportation conditions specified in the operation manual The warranty period is 12 months from the shipment date Wa...

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