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four bank 6V/12V 4 x 2amp 
auto maintenance charger

model no: 

mbc420

thank you for purchasing a Sealey product. manufactured to a high standard, this product will, if used according to these instructions, 

and properly maintained, give you years of trouble free performance.

IMPORTANT:

 PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS & CAUTIONS. USE 

THE PRODUCT CORRECTLY AND WITH CARE FOR THE PURPOSE FOR WHICH IT IS INTENDED. FAILURE TO DO SO MAY CAUSE DAMAGE AND/OR 
PERSONAL INJURY AND WILL INVALIDATE THE WARRANTY. KEEP THESE INSTRUCTIONS SAFE FOR FUTURE USE.

1.  SafetY

1.1.    

eLectricaL SafetY

 

‰

  

Warning!

 It is the user’s responsibility to check the following:

 

Check all electrical equipment and appliances to ensure that they are safe before using. Inspect power supply leads, plugs and    

 

all electrical connections for wear and damage. Sealey recommend that an RCd (Residual Current device) is used with all electrical  

 

products. You may obtain an RCd by contacting your local Sealey stockist. 

 

If the product is used in the course of business duties, it must be maintained in a safe condition and routinely PAT (Portable  

 

 

Appliance Test) tested.

 

electrical safety information. It is important that the following information is read and understood.

1.1.1.   

ensure that the insulation on all cables and on the appliance is safe before connecting it to the power supply. 

1.1.2.   

Regularly inspect power supply cables and plugs for wear or damage and check all connections to ensure that they are secure.

1.1.3. 

  

important

: Ensure that the voltage rating on the appliance suits the power supply to be used and that the plug is fitted with the    

 

correct fuse - see fuse rating in these instructions.

 

8

   Do  not

 pull or carry the appliance by the power cable.

 

8

  

Do not

 pull the plug from the socket by the cable. Remove the plug from the socket by maintaining a firm    

  grip on the plug.

 

8

   Do  not

 use worn or damaged cables, plugs or connectors. ensure that any faulty item is repaired or  

 

  replaced immediately by a qualified electrician.

1.1.4. 

  

This product is fitted with a BS1363/A 13 Amp 3 pin plug. 

 

If the cable or plug is damaged during use, switch off the electricity supply and remove from use. 

 

Replace a damaged plug with a BS1363/A 13 Amp 3 pin plug. If in doubt contact a qualified electrician.

 

Class II products are wired with live (brown) and neutral (blue) only are marked with the Class II symbol;

 

A) Connect the BROWN live wire to the live terminal ‘L’.

 

B) Connect the BLUE neutral wire to the neutral terminal ‘N’.

 

C) After wiring, check that there are no bare wires and ensure that all wires have been correctly connected. 

 

ensure that the cable outer sheath extends inside the cable restraint and that the restraint is tight. 

 

8

   Do  not 

connect either wire to the earth terminal. 

 

Sealey recommend that repairs are carried out by a qualified electrician. 

   

 

1.2.    

generaL  SafetY

 

   Danger! be aWare, LeaD-aciD batterieS generate expLoSiVe gaSeS During normaL batterY operation.   

  for thiS reaSon, it VerY important to reaD anD foLLoW theSe inStructionS carefuLLY, each time You uSe  

  the charging eQuipment. 

 

9

   Follow these instructions and those published by the battery and vehicle manufacturers, and the maker of any equipment you intend to  

  use in the vicinity of the battery. Remember to review warning marks on all products and on engines.

 

‰

  

Warning!

 modern vehicles contain extensive electronic systems.

 

You are required to check with the vehicle manufacturer, for any specific instructions regarding the use of this type of equipment on  

 

each vehicle.

 

9

   No liability will be accepted for damage / injury, where this product is not used in accordance with all instructions.

1.3.    

perSonaL precautionS

 

9

   ensure there is another person within hearing range of your voice and close enough to come to your aid, should a problem arise when  

  working near a lead-acid battery.

 

9

  

Wear safety eye protection and protective clothing. Avoid touching eyes while working near battery.

 

9

   Have fresh water and soap nearby in case battery acid contacts skin, clothing or eyes.

 

9

   Wash immediately with soap and water if battery acid contacts skin or clothing. If acid enters eye, flush eye immediately with cool, clean  

  running water for at least 15 minutes and seek immediate medical attention.

 

9

   Remove personal metallic items such as rings, bracelets, necklaces and watches. A lead-acid battery can produce a short-circuit current  

  which is high enough to weld a ring or the like to metal, which would cause severe burns.

 

9

   ensure hands, clothing (especially belts) are clear of fan blades and other moving or hot parts of engine, remove ties and contain long hair.

 

8

 

Do not

 smoke or allow a spark or flame in the vicinity of battery or engine.

1.4.    

charging SafetY inStructionS 

 

9

  

Familiarise yourself with the application and limitations of the charger as well as the potential hazards. 

Recommended fuse rating

3 Amp

Original Language Version

© Jack Sealey limited

Wear 

protective 

gloves

Warning!

electricity

Protect 

from 

rain

Use in

well 

ventilated

areas 

Keep away 

from sources 

of ignition:

battery could 

explode

Refer to

instruction 

manual

Warning!

explosive 

material

Wear eye

protection

Warning!

corrosive 

substance

m

BC420   Issue 1 21/08/18

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