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Summary of Contents for Twiflex M1662
- Page 1 +34 93 268 18 33 Installation and Maintenance Manual “LCS” HYDRAULIC POWER UNIT Part Number: T7600561 M1662 Transmisiones FU Ibérica, S.L. C/ África 17 · Polígono Industrial Can Mora · 08459 - Sant Antoni de Vilamajor · Barcelona · SPAIN...
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Page 2: Table Of Contents
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Table of content TABLE OF CONTENT ......................1 GENERAL ........................2 Who to contact......................2 Safety ......................... 2 Symbols used in this manual ..................3 Disclaimer ........................3 Transportation ......................3 Lifting .......................... 4 Storage ........................ -
Page 3: General
+34 93 268 18 33 General Hydraulic power unit: Do not operate the hydraulic power unit Thank you for buying a Twiflex Ltd product. Before using the product please read this before correctly filling the oil reservoir. manual carefully. -
Page 4: Symbols Used In This Manual
BEFORE STARTING notice. REFER TO MANUAL In no event should Twiflex Ltd be liable for FIGURE 1.2 any special, incidental, consequential or punitive damages. This includes, but is not The hydraulic power unit must be filled with... -
Page 5: Lifting
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 If the hydraulic power unit is mounted in a Lifting cabinet the entire assembly may be lifted by hydraulic power unit weighs using the lifting point in the supporting approximately 30 kg. If it is necessary to frame. -
Page 6: Installation And Commissioning
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Installation and commissioning Mounting In the back of the manifold there are 2 threaded M10 x 15mm holes for wall mounting. See (Appendix A). Optionally, foot-mounting bracket FIGURE 2.2 available. 2.3.2 Fill the oil reservoir to the top level mark in Connections the sight glass located on the reservoir sidewall. - Page 7 To meet the demands of NAS 1638 Class 8 or ISO 4406 Class 19/17/14 the hydraulic power units supplied from Twiflex Ltd have been flushed before leaving the factory. Despite the above, the hydraulic system must always be flushed and bled again before commissioning.
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Page 8: Description Of The Hydraulic System
(23) (off), transfers the oil from the developed to be used together with active pump to the brakes. (pressure applied) and passive (spring applied) brake calipers from Twiflex Ltd. 3.2.3 Releasing the brakes The pump can be connected to one or more When opening valve (23) (on) and stopping brakes. -
Page 9: Hydraulic Diagram
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Hydraulic diagram Page 8 Transmisiones FU Ibérica, S.L. C/ África 17 · Polígono Industrial Can Mora · 08459 - Sant Antoni de Vilamajor · Barcelona · SPAIN... -
Page 10: Maintenance
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Maintenance Adjustment Maintenance is important for the ability of A number of components demand the the hydraulic power unit to control the correct setting or charging in order to brakes at any time. make the braking system work properly. - Page 11 www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 4.3.1 Typical Check and Inspection plan Service interval/period Initial commissioning and Inspection plan after commissioning. chapter installation Whichever comes first: Function Test of each valve Before first real operation 6 months/1000 h Hydraulic oil Level of oil Continuous...
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Page 12: Function Test
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Function test Redacted Testing component Component Explantion position (see hydraulic diagram) Before action Action 2, 3, 4, 16, 17, 23, 4: off 4: on Motor (4) shall start and stop at the preset pressure signal 23: on from (40). -
Page 13: Changing The Oil And Cleaning The Reservoir
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 4.6.5 Reconnect the electrical power and start the pump. unit cycles (pressurising/de-pressurising): With system pressurised bleed the brakes. With system de-pressurised refill oil if necessary. Changing the oil and cleaning the reservoir It is recommended that this procedure always carried out in a hydraulic workshop... -
Page 14: Changing The Oil Filter
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 4.7.9 Refill the oil reservoir to the top level mark in A filter in the cap. NOTE the sight glass located on the reservoir sidewall. See fig 4.7. Only the 3-litre tank has the filter in the cap. FIGURE 4.7 CAUTION Use only filtered oil of the right viscosity for... -
Page 15: 4.10 Measuring The Gas Pressure
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 4.10.3 Mount the gas pressure gauge and close the 4.10 Measuring the gas pressure side valve. CAUTION Disconnect all power to the hydraulic power unit and relieve all internal oil pressure in the system. -
Page 16: 4.11 Recharging The Accumulator
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 4.11 Recharging the accumulator WARNING Recharging must be done according to local safety regulations for working with pressure vessels. FIGURE 4.17 4.11.3 If the gas pressure is too high open the side valve to relieve gas. -
Page 17: Trouble Shooting
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Trouble Shooting ‘Passive’/spring applied, hydraulically released brakes PU is working OK Failure is caused by the brakes Brakes will not close Brakes are free of pressure See section 5.2 – Power unit does not release pressure PU is working OK Failure is caused by the brakes... - Page 18 www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Power Unit does not set/build up pressure (continued) (FS) Coupling between the motor and the pump is broken. Motor is running but no pressure is Defective safety relief valve or not adjusted correctly generated Defective pump or pump not torque tightened sufficiently Motor is running but runs backwards...
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Page 19: Appendix A - Dimension Drawing
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Appendix A - Dimension drawing Page 18 Transmisiones FU Ibérica, S.L. C/ África 17 · Polígono Industrial Can Mora · 08459 - Sant Antoni de Vilamajor · Barcelona · SPAIN... -
Page 20: Appendix B - Parts Identification
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Appendix B - Spare part drawing Page 19 Transmisiones FU Ibérica, S.L. C/ África 17 · Polígono Industrial Can Mora · 08459 - Sant Antoni de Vilamajor · Barcelona · SPAIN... -
Page 21: Appendix C - Adjustments
If the tamper proof cap is broken or Relief valve missing the power unit is no longer Lock covered by Twiflex Ltd warranty. Counter pressure valve For other relief valves if adjustment is (same item) needed, remove the tamper proof... -
Page 22: Appendix D - Electrical Diagram
www.fuiberica.com fuiberica fuiberica.com +34 93 268 18 33 Appendix D - Electrical diagram Page 21 Transmisiones FU Ibérica, S.L. C/ África 17 · Polígono Industrial Can Mora · 08459 - Sant Antoni de Vilamajor · Barcelona · SPAIN... -
Page 23: Appendix E - Recommended Fluids
The hydraulic system, supplied by Twiflex Ltd, has a built-in oil filter with a standard 10-micron purity filter. To maintain a reliable system it is recommend that only hydraulic oil of the following classes of purity is used: NAS 1638, Class 8, or ISO 4406, Class 19/17/14.
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