Page 1
Installation and commissioning VTEC systems SKF VectoLub Version Date of issue March 2018 Publication number 951-130-440 Languages Country/Countries...
Product line: provisions and requirements of the na- manual. Especially observe the following: tional directives to be applied. – Products of SKF must not be used in VTEC 4 Operation of the products on non-stan- conjunction with fluids, group I (hazard-...
Page 7
– When used as intended, the products supplied by SKF do not reach the limit values listed in the Article 3 par. 1, sec- tions 1.1 to 1.3 and par. 2 of the Direc- tive 97/23/EC. Therefore, they do not come under the requirements set forth in annex I of that Directive.
General Table 1 Hazard symbols Meaning of symbols and Symbol Standard Meaning corresponding information In this manual, the symbols and safety DIN 4844-2 W000 General hazard wordings shown on this page are intended to communicate a particular risk to persons, material assets, or the environment.
These instructions must be read purpose is considered unintended. and understood by all persons Products of SKF must not be used in con- who are involved with the installation, junction with substances and mixtures clas- operation, maintenance, and repair of sified as hazardous by the Annex I part 2-5 the product.
1.2 Authorized personnel 1.3 Danger relating to electric 1.4 Danger relating to system current pressure The products described in the installation in- structions may only be installed, operated, maintained, and repaired by qualified ex- The electrical connection for the described perts.
1.5 Warranty The instructions do not contain any informa- tion on the warranty. This can be found in the General Conditions of Sales, which are available at: www.skf.com/lubrication.
Should there be a need to use the product to convey media other than lubricants or hazardous substances, this must be dis- cussed with SKF first and the company must give express written permission. The intended use of this product is for the...
(or maintenance person) who must You can request an overview of lubricant finally select the appropriate lubricant, with tests offered by SKF from our Service Center. the help of the lubricant supplier. When se- lecting a lubricant, the type of bearing/wear You must observe the machinery 2.3 Approved lubricants...
2.4 Lubricants and the 2.5 Danger relating to D A N G E R ! environment lubricants Different lubricants must not be mixed together. Doing so can cause damage and require extensive cleaning of the products/centralized lubrication system. To prevent confusion, we recom- D A N G E R ! D A N G E R ! mend that you attach information indi-...
3. Design and function Refer to safety precautions in the lubricant • + 428 : 230 V, 50/60 Hz manufacturer's material safety data sheet. • + 429 : 115 V, 50/60 Hz Lubricants are hazardous substance. It is • + 924 : 24 V DC 3.1 Versions essential to respect any safety instructions given in the lubricant safety data sheet.
3.2 Construction can set the carrier air pressure with a pres- The VTEC unit is a modular lubrication sys- sure regulator. The air flow can be monitored tem comprising up to 8 different modules. either with a manometer or with a pressure The unit is mounted on a standard fixing rail.
Page 18
Fig. 1 Overview of a VTEC unit 1 standard fixing rail 2 fixing clips 3 manometer, general air monitoring 4 manometer, carrier air monitoring 5 coaxial outlet port (air and oil) 6 pressure switch, carrier air monitoring 7 carrier air pressure regulator 8 air inlet port 9 air inlet port (module with a general air so- lenoid valve)
3.3 Function pressure can be also monitored by means of When the VTEC unit is switched on, it is sup- a manometer or a pressure switch. plied with compressed air (5 to 8 bar) and The low-pressure carrier air and lubricant with lubricant (0,1 to 0,5 bar).
Page 20
3.3.1 Master module and slave module When a VTEC unit is seen from the front side (as on figure 1), the first module is on the left side with lubri- cant and air inlets – module position or- der from left to right. When a module doesn’t have one (or several) of the control equipments (general air sole- noid valve, air solenoid valve or pneumatic...
Page 21
Table 3 Bases with their main equipment and functions. • Base alone (A) This base has no additional function. It is always used as slave of the master base positioned upstream. • Base with a pneumatic pulse generator (B) The pulse generator adjusts the working frequency of the micropump. A base with an air solenoid valve, positioned upstream, controls the air inlet, which actuates the micropump.
4.1 Positioning and 4. Installation Country-specific accident prevention reg- installation ulations and the operating and maintenance instructions instructions for the operator must be ob- 4.1 Positioning The minimal quantity lubrication system de- scribed in the mounting instructions may The system must be mounted in a way that only be installed, operated, maintained, and protects it from humidity and vibrations.
Fig. 3 The compressed air line must be connected C A U T I O N ! to the system in such a way that once The minimal quantity lubrication mounted, no force is applied to the pump (no system must be securely fixed to its sup- pressure on the connection).
VTEC outlet port by means of 2 Lower quick-release connector 3 Outer tube of the coaxial line quick-release connectors. 4 Capillary tube of the coaxial line *) For greater line length, please contact the SKF service center.
Page 25
1 and 5 m. For greater length, • Screw in and tighten the nozzle (1) onto please contact the SKF service center. the end tube (3). Step 1 († fig. 6).
Page 26
Connection coaxial line/nozzle Fig. 6 1 Nozzle 2 Union end tube - nozzle 3 End tube 4 Union fixing block - end tube 5 Fixing block 6 Quick-release connector 7 Capillary tube of the coaxial line 8 Outer tube of the coaxial line 9 Coaxial line 10 Quick-release connector Step 1...
4.4 Electric connection Fig. 7 D A N G E R ! The supply voltage on site must agree with the information on the codifi- cation of the VTEC unit. Check the fusing ➁ ➀ of the circuit. Use only the original fuse with the required ampere value.
Page 28
4.4.2 Lubricant flow sensor GS304P 4.4.3 Pressure switch Figure 9 shows the wiring diagram and the Pressure switches are 2 leads on/off switch- assignment of the cable leads or round con- es (operating voltage 24 V DC) nector pins for the flow sensor. For any other information about the electric connection, please refer to the technical data.
5.1 Transport Keep the packaging material until any and all be screened SKF products are packaged in accordance problems have been clarified. 5.3.3 Storage – general information with the regulations of the recipient country and in accordance with DIN ISO 9001.
6.2 Bleeding and 6. Activation C A U T I O N ! commissioning Only use a clean lubricant. Soiled lubricants can cause major defects in the 6.1 General Before starting the VTEC unit, check that all system. The minimal quantity lubrication system de- outer connections (reservoir, air supply, lube scribed here runs automatically.
Page 31
6.2.3 Neutralizing the micropump with the air pressure regulator. With a higher • Feed the unit with lubricant until it comes delivery flow rate, you get a finer atomization of the out without air bubbles. lubricant, and the lubrication is then more •...
6.3 Micropump flow rate 6.3.1 Adjustment with thumb wheel • Remove the metering ring (when one) and adjustment • Remove the protection cap from the put the new metering ring. Figure of de- thumb wheel. livered volume is embossed on every me- There are two different possibilities to adjust •...
6.3.3 Neutralizing the micropump quency of all micropumps. The frequency is When the pressure regulator is delivery indicated on the pulse generator in pulses completely turned to the right, The micropump lubricant outflow can be (piston stroke) per second. The values on the there is no more carrier air flow.
Page 34
Table 4 The Vectometer shows different flow rate (in mm per minute) according to the lubricant flow rate and the working frequency of the micropump. Setting /stroke] Micropump working frequency [stroke/minute] 25,5 12,5 42,5 1 200 1 500 1 800 37,5 127,5 1 350 1 800 2 250 2 700...
General information in this manual. If you wish to shut down the product tem- porarily, refer also to the instructions in the The system can also be taken back by SKF section Transport, delivery, and storage of for disposal if the costs are covered.
• Regularly check the level of lubricant in the reservoir and, if necessary, replace re- SKF is not liable for damage caused by im- C A U T I O N ! fill the reservoir.
SKF Service. not connected to a power supply. The supply voltage must be turned off before Only original SKF spare parts may any product components are opened.
Page 38
Table 5 Failure analysis and remedy Problem Cause Remedy No lubricant exits the nozzle No lubricant exits the nozzle Check the lubricant level in the reservoir and fill it if necessary Check the tightness of the line reservoir/VTEC unit (connectors and hoses). If necessary change the faulty part.
Page 39
Following table 5 Failure analysis and remedy Problem Cause Remedy Micropump does not work Wrong setting of the metered volume Check the setting of the metered volume of the micropump No air supply to the micropump Check the good function of the general air solenoid valve or of the air solenoid valve of the micropump •...
10. Technical data Table 6 Technical data VTEC system VTEC unit Number of outlets 1 to 8 Min. air inlet 800 Nl/min, dry and filtered air (5 μm) Air inlet pressure 5 to 8 bar Micropump flow rate 3, 5, 10, 15, 20 and 30 mm /stroke (small flow, metering rings) 7 to 30 mm / stroke (small flow, thumb wheel)
Page 41
Table 6 Technical data VTEC system Air solenoid valve (micropump control) Delivery rate (at 6 bar) 150 Nl/min Power supply 115 V – 50/60 Hz – 2,5 VA or 230 V – 50/60 Hz – 2,5 VA or 24 V – 1 W Protection IP 65 Mechanical life...
Table 7 accessories List of spare parts Order No. Designation Only original SKF spare parts may PV.1975.0.30 Set of metering rings for micropump (0 to 30 mm be used. It is prohibited for the PV.2063.0.90 Set of metering rings for micropump (0 to 90 mm...
Page 44
Important information on product usage SKF and Lincoln lubrication systems or their components are not approved for use with gases, liquefied gases, pressurized gases in solution and fluids with a vapor pressure exceeding normal atmospheric pressure (1 013 mbar) by more than 0,5 bar at their maximum permissible temperature.
Need help?
Do you have a question about the Vectolub VTEC and is the answer not in the manual?
Questions and answers