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AEROSPACE

www.enersys.com

Global Support

EnerSys is the world’s largest industrial battery manufacturer 
and  we  are  dedicated  to  being  the  best.  Our  strategically 
located  manufacturing  plants  are  efficient  and  responsive 
with a culture of continuous improvement and added value 
for our business partners.

EnerSys has an enviable position in technology leadership 
and with significant investment in research and development 
we intend to stay at the leading edge in product innovation. 
Our team of development engineers is driven by the desire to 
build  the  best  energy  solutions  and  works  closely  with  our 
customers and suppliers to identify development opportunities. 
Our bias for rapid innovation means we get new products to
the market fast.

EnerSys  is  dedicated  to  providing  customers  with  the  best 
solutions and after-sales support for their business, wherever 
you  do  business,  EnerSys  can  support  your  requirements 
through our vast network of approved maintenance distributors. 

EnerSys EMEA

EnerSys EMEA

EH Europe GmbH

EH Europe GmbH

Löwenstrasse 32

Löwenstrasse 32

8001 Zürich

8001 Zürich

Switzerland

Switzerland

Phone: +41 44 215 74 10

Phone: +41 44 215 74 10

Fax:

+41 44 215 74 11

Fax:

+41 44 215 74 11

EnerSys Ltd

EnerSys Ltd

Stephenson Street

Stephenson Street

Newport

Newport

South Wales

South Wales

NP19 4XJ

NP19 4XJ

Phone: +44 (0)1633 277 673
Fax:

+44 (0)1633 281 787

Phone: +44 (0)1633 590 310
Fax:

+44 (0)1633 590 323

European Headquarters:

European Headquarters:

Local contact:

Local contact:

Please refer to the website 
address for details of your 
nearest EnerSys office.

All trademarks and logos are 
the property of or licensed to 
EnerSys and its affiliates 
unless otherwise noted. 

Please refer to the website 
address for details of your 
nearest EnerSys office.

All trademarks and logos are 
the property of or licensed to 
EnerSys and its affiliates 
unless otherwise noted. 

Enersys_Lead_Acid_Batteries_Maintenance_Manual_July-2014 9602-0421_revision_5

Sealed Lead 
Acid Batteries 

Aircraft Battery 
Maintenance Manual

UK

© 2014. All rights reserved. 

Sealed Lead

Acid Batteries

Aircraft Battery
Maintenance Manual

UK

Summary of Contents for HAWKER 9250-0083

Page 1: ...AEROSPACE Sealed Lead Acid Batteries Aircraft Battery Maintenance Manual UK Sealed Lead Acid Batteries Aircraft Battery Maintenance Manual UK...

Page 2: ...TANT Please read this manual immediately on receipt of the battery ies before unpacking and installing Failure to comply with these instructions will render any warranties null and void to the extent...

Page 3: ...SPECTION 9 8 2 VOLTAGE CHECKS 9 9 CHARGING PROCEDURE 10 10 ROUTINE MAINTENANCE 10 11 SERVICE PERIOD 11 12 CAPACITY TEST 11 13 REJECTION PROCEDURE 12 14 DEEP DISCHARGE RECOVERY 12 15 UNSCHEDULED REMOVA...

Page 4: ...id distilled water or alkali to the battery The Hawker 24 volt aircraft battery covered by this maintenance manual consist of two 12 volt valve regulated monoblocs connected in series enclosed in a po...

Page 5: ...ately Clothing contaminated by acid should be washed in water Electrolyte is highly corrosive In the normal operation of this battery contact with acid isn t possible If the cell containers are damage...

Page 6: ...ampere discharge for 1 hour down to a battery voltage of 20 volts By conventional definition the battery is deemed airworthy if it delivers its rated capacity for 48 minutes down to a voltage of 20 vo...

Page 7: ...administered in accordance with paragraph 9 However it is advisable to conduct an inspection and open circuit voltage check after 12 months and top up charge in accordance with paragraph 9 if necessar...

Page 8: ...rity Nominal battery voltage and number of cells Rated capacity Safety instructions where applicable Warning Short circuit currents will exceed 2000 amps all tools must be insulated Care must be taken...

Page 9: ...ttery can be issued for service 8 2 4 If the OCV is equal to or less than 25 3 volts but greater than 20 0 volts the battery needs to be charged 8 2 4 1 Charge the battery in accordance with paragraph...

Page 10: ...he exterior of the battery casing for signs of damage and cracks Examine the battery terminal for signs of damage corrosion and water dirt ingress clean as necessary Always ensure that the battery lid...

Page 11: ...one hour rate and measuring the time required in minutes to reach the cut off voltage Discharge the battery at the appropriate constant current value found in Figure 5 at 20 2 C to an end voltage of 2...

Page 12: ...y in accordance with paragraph 9 and notify EnerSys or your distributor of failure If the battery has an OCV of less than 20 volts it is considered to have been abused Over discharging the battery to...

Page 13: ...lass 8 Proper Shipping Name BATTERIES WET NON SPILLABLE electric storage Packing Group ADR not assigned Label required Corrosive ADR RID New and spent batteries are exempt from all ADR RID special pro...

Page 14: ...ashers and metal strip laminations from the rear monobloc terminals e Remove and discard the nuts and washers from the front terminals and lift off the laminations Note Do not remove the front laminat...

Page 15: ...ne maintenance or unscheduled maintenance vii Date of battery returned to storage viii Date of any failures ix Date of any returns to manufacturer x OCV prior to any discharge Dispose of the battery i...

Page 16: ...V Elcon None 38 0 9750E0640 9750E0654 25Ah 24V Elcon None 27 0 9750E0645 25Ah 24V Elcon 1 27 0 9750E0647 9750E0652 25Ah 24V Elcon 1 27 0 9750E0650 25Ah 24V Spade None 27 0 9750E0658 25Ah 24V Canon 1 2...

Page 17: ...e as per paragraph 13 0 Issue Battery Reject battery Charge battery as per paragraph 9 0 Charge battery as per paragraph 9 0 Charge battery as per paragraph 9 0 25 5 Volts 25 3 25 5 Volts 25 3 Volts 2...

Page 18: ...attery as per paragraph 9 0 48 minutes Second time 48 minutes First time 48 minutes Capacity test as per paragraph 12 0 Stand for 4 hours Follow Rejection procedure as per paragraph 13 0 Reject batter...

Page 19: ...19 Intentionally Left Blank...

Page 20: ...n support your requirements through our vast network of approved maintenance distributors EnerSys EMEA EnerSys EMEA EH Europe GmbH EH Europe GmbH L wenstrasse 32 L wenstrasse 32 8001 Z rich 8001 Z ric...

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