Teledyne 7638-36 Maintenance Manual Download Page 18 | Manualshive

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Q01-4000

Rev G Page 16 of 28 Teledyne Battery Products

COMPONENT MAINTENANCE MANUAL

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Summary of Contents for 7638-36

Page 1: ...Q01 4000 Rev G December 16 2016 COMPONENT MAINTENANCE MANUAL LT Valve Regulated Lead Acid Batteries Part Numbers Applicable to this CMM 7639 27 7639 30LT 7639 34 7638 36 7638 48P...

Page 2: ...ltage 5 4 Service Instructions 6 5 Charging Constant Potential 8 Charging Constant Current 9 Charging Float 9 Charging Initial 10 6 Routine Maintenance 12 Continued Airworthiness Testing 12 Reconditio...

Page 3: ...t and various directions in Service Manual per review with Embraer JMR July 23 2012 B Revised Added temperature conversions from F to C JMR Dec 19 2012 C Revised charging processes Inspection service...

Page 4: ...actured under FAA Parts Manufacturer Approval number PQ1006NM This manual is applicable for the following batteries 7639 27 7639 30LT 7639 34 7638 36 and 7638 48P This manual has been written for the...

Page 5: ...tteries can be operated in any orientation without spilling electrolyte 3 1 4 The battery consists of twelve cells connected in series internally making up a 24V battery These cells are not replaceabl...

Page 6: ...n amperes required to support the essential bus for thirty minutes 3 2 1 3 Ipp Peak Power Current This is the discharge current delivered at 0 3 seconds while testing during a 15 second power discharg...

Page 7: ...INTENANCE MANUAL Premium LT Valve Regulated Lead Acid Aircraft Batteries By TELEDYNE BATTERY PRODUCTS Figure 1 This voltage is valid under no load and approximately two hours after any charge of flyin...

Page 8: ...s can be stored between 20 F 29 C and 110 F 43 C Ideal battery storage temperature is 80 F 27 C Storage at temperatures other than these can lead to permanent damage Storage temperatures will determin...

Page 9: ...ing Call TBP Technical Support if you find any discrepancy 4 4 2 DO NOT remove the lid The vents are sealed in the cover and cannot be removed for maintenance 4 4 3 Inspect the open circuit voltage an...

Page 10: ...ing a battery will corrode the positive grids and break down the water component in the electrolyte to hydrogen and oxygen electrolysis This is quite detrimental to the life of VRLA batteries since th...

Page 11: ...ct of charge current in amperes and the time in hours 5 3 3 During such charging the on charge battery voltage will reach 32V 33V This is standard for such a charge method Please use charge rate and t...

Page 12: ...en batteries are left on shelf for a longer period they will have to be reviewed using open circuit voltage OCV as the primary guide with the State of Charge Vs Voltage graph Figure 1 5 5 3 The requir...

Page 13: ...of 1A for 12 hours Discharge the battery at the one hour rate to 20V see Appendix A The battery must achieve at least 100 1 hr of this rating If the battery passes recharge it using CP and CC method I...

Page 14: ...this inspection process the following components must be reviewed 6 2 1 Measure and record the battery voltage 6 2 2 Charge the battery using Table 2 WARNING The battery must be removed from the insta...

Page 15: ...Once the battery has passed all required inspections and after it is fully recharged using constant voltage charging methods the battery is ready for installation 6 3 RECONDITIONING BATTERY 6 3 1 Dis...

Page 16: ...4Ah 1 0A 32 4 hours 6 4 4 After a pause of about 1 hour discharge the battery at the one hour rate see Table 2 until the battery drops to 20V Record the time to 20V If it is greater than 85 of specifi...

Page 17: ...charge at 1A for 1 2x27 1A 32 4 hours 6 5 2 Conduct a capacity check per Section 6 2 Repeat cycle starting with recharge per 6 3 2 The battery should be at capacity by the end of the second cycle Call...

Page 18: ...e 16 of 28 Teledyne Battery Products COMPONENT MAINTENANCE MANUAL Premium LT Valve Regulated Lead Acid Aircraft Batteries By TELEDYNE BATTERY PRODUCTS Figure 4 Battery Maintenance All voltages refer t...

Page 19: ...REMOVALS 7 1 Unscheduled removals may be required when the battery has been inadvertently discharged or has a premature failure Recharging the battery using Constant Potential method described in Sect...

Page 20: ...tact see 7 2 with Teledyne Go NoGo gauge part number 3600 51 Battery could be shorting under load Perform airworthiness test per Section 6 2 Battery could be self discharging due to low state of charg...

Page 21: ...By TELEDYNE BATTERY PRODUCTS 9 TRANSPORTATION 9 1 Gill LT VRLA batteries are classified as Nonspillable and are exempted from all other requirements of 49 CFR Chapter 1 Subchapter C Parts 106 180 as d...

Page 22: ...hazardous waste recyclers which also includes facilities outside of California A copy of this publication the Directory of Industrial Recyclers may be obtained by calling 916 324 2423 or writing to th...

Page 23: ...ociation 26 Grosvenor Gardens London SW1W 0GT Direct Tel 44 207 838 4800 Direct Fax 44 207 838 4801 10 3 2 SNAM Societe Nouvelle d Affinage des Metaux Rue de la Garenne St Quentin Sallavier 38297 La V...

Page 24: ...pp Peak current delivered at 0 3 seconds into a 15 second controlled discharge at a constant terminal voltage of half the nominal battery voltage Ipr Discharge current at the conclusion of a 15 second...

Page 25: ...oducts COMPONENT MAINTENANCE MANUAL Premium LT Valve Regulated Lead Acid Aircraft Batteries By TELEDYNE BATTERY PRODUCTS APPENDIX A Table 3 Type 1 Hour Rate A 30 Minute Rate A 7639 27 27 45 7639 30LT...

Page 26: ...7 Specifications 30 min 23 C 1 67 Volts per cell 1 hr 23 C 1 67 Volts per cell Ipp 23 C A Ipr 23 C A Ipp 18 C A Ipr 18 C A Ipp 30 C A Ipr 30 C A Watts 900 540 Amps 45 27 1 503 1 002 1 104 734 793 596...

Page 27: ...Specifications 30 min 23 C 1 67 Volts per cell 1 hr 23 C 1 67 Volts per cell Ipp 23 C A Ipr 23 C A Ipp 18 C A Ipr 18 C A Ipp 30 C A Ipr 30 C A Watts 1 000 600 Amps 50 30 1 627 1 173 1 180 870 849 642...

Page 28: ...4 Specifications 30 min 23 C 1 67 Volts per cell 1 hr 23 C 1 67 Volts per cell Ipp 23 C A Ipr 23 C A Ipp 18 C A Ipr 18 C A Ipp 30 C A Ipr 30 C A Watts 1 100 816 Amps 55 34 1 636 1 168 962 774 761 604...

Page 29: ...pecifications 30 min 23 C 1 67 Volts per cell 1 hr 23 C 1 67 Volts per cell Ipp 23 C A Ipr 23 C A Ipp 18 C A Ipr 18 C A Ipp 30 C A Ipr 30 C A Watts 1 260 720 Amps 63 36 1 958 1 408 1 492 1 128 1 156 7...

Page 30: ...ry Part Number 7638 48P Specifications 30 min 23 C 1 67 Volts per cell 1 hr 23 C 1 67 Volts per cell Ipp 23 C A Ipr 23 C A Ipp 18 C A Ipr 18 C A Ipp 30 C A Ipr 30 C A Watts 1 500 960 Amps 75 48 1 500...

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