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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.

1. SAFETY INSTRUCTIONS

IMPORTANT:

PLEASE READ THESE INSTRUCTIONS CAREFULLY. NOTE THE SAFE OPERATIONAL REQUIREMENTS, WARNINGS AND

CAUTIONS. USE THIS 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. PLEASE KEEP INSTRUCTIONS SAFE FOR FUTURE USE.

INSTRUCTIONS FOR: 

4800W 110/230V DIESEL

GENERATOR

Model:

YG10.48

YG10.48 - 1 - 070703

1.1.

GENERATOR SAFETY

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WARNING! Ensure any Health & Safety, Government and local authority regulations are adhered to when using this equipment.

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Familiarise yourself with the application, limitations and hazards of the generator.

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Maintain the generator in good condition (use an authorised service agent). Replace or repair damaged parts. Use genuine parts only.

Unauthorised parts may be dangerous and will invalidate the warranty.

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This generator is designed and manufactured for specific applications. Do not attempt to modify the unit or use it for any application for

which it is not designed. If you have any questions regarding the application of the unit please contact your local Sealey dealer.

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WARNING! DO NOT exceed the Wattage/Amperage capacity of the generator.

Add rated wattage of all equipment intended for connection

at any one time - the total must not exceed the rated wattage of generator (see specification). In most cases the wattage of electrical

equipment can be found on the nameplate. If the nameplate gives only voltage and amperage, multiply the two to give rated wattage.

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WARNING! Generator exhaust gases contain deadly carbon monoxide which must not be inhaled. Always allow sufficient ventilation.

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WARNING! If you decide to use an Earth Leakage Circuit Breaker (also referred to as an RCD or Ground Fault Circuit Interrupter),

it is imperative that the neutral end of the power winding is connected to the frame of the generator set and that the earth lug on the 

frame is connected with a low impedance connector to the local earth via an earth spike or local protective earth conductor. This 

connection should only be attempted by a qualified electrician, after first having consulted your local dealer.

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DANGER! This generator is designed for outdoor use only. To use the generator inside any building or enclosure, including the 

generator compartment of a caravan, may result in fire or an explosion.  No user performed modifications, including venting of 

the exhaust and/or cooling ventilation, will eliminate the danger.

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DANGER! If this unit is used for back-up power in the event of a commercial power failure, the following steps must be taken.

Before connecting the generator to the electrical system, open the main circuit breaker to isolate the generator and system from

the commercial electric supply. Failure to do this may result in damage to the generator and may result in serious injury or fatality,

due to a back-feed of electrical energy.

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DANGER! The generator produces a very powerful voltage that can cause a severe electrical shock. Avoid contact with bare

wires, terminals etc. Never allow any unqualified person to operate or service the generator.

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WARNING! Diesel is flammable and the vapour is explosive. Do not permit smoking, naked flames, sparks or heat in the vicinity

while handling fuel. Avoid spilling diesel onto a hot engine. Comply with all laws regulating storage and handling of fuels.

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WARNING!  NEVER refuel when the engine is running or when the engine is hot.  Allow cool down time.

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Operate the generator only on level surfaces (maximum allowable tilt is 10º) and where it will not be exposed to excessive moisture, dirt or

corrosive vapours or be in the proximity of combustible material (flammable liquids, solids or gases). 

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Remove ill fitting clothing, ties, watches, rings and other loose jewellery and contain long hair. Wear appropriate protective clothing.

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Keep non-essential persons away from the work area.

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WARNING! Never start or stop the generator while electrical loads are connected and switched on. Start the engine, let it

stabilise, then connect the electrical load. To stop engine, disconnect the electrical load and let engine stabilise before switching off.

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WARNING! Do not use worn, bare, frayed or otherwise damaged electrical cables with the generator. To do so may result in electric shock.

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DO NOT

use the generator for any purpose other than that for which it is designed.

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DO NOT

operate the generator if any parts are missing or damaged, as this may cause failure and/or personal injury.

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DO NOT

over-fill fuel tank. Always leave room for fuel to expand.

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DO NOT

operate in the rain.

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DANGER! Do not tamper with the engine governed speed setting. Higher operating speeds are dangerous and increase the risk

of personal injury and/or equipment damage. The generator supplies the correct rated frequencies and voltage only when

running at the correct governed speed. Incorrect frequency and/or voltage can damage some connected electrical loads.

Operating at excessively low speeds may result in shortened engine life. Over-speeding will invalidate the warranty.

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DO NOT

operate the generator when you are tired or under the influence of alcohol, drugs or intoxicating medication.

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DO NOT

store generator with fuel in tank where fuel vapours might reach an open flame or spark.

1.2.

BATTERY SAFETY

DANGER! BE AWARE, LEAD-ACID BATTERIES GENERATE EXPLOSIVE GASES DURING NORMAL BATTERY OPERATION 

AND THE ELECTROLYTE IS CORROSIVE. FOR THESE REASONS, IT IS VERY IMPORTANT TO READ AND FOLLOW

THESE INSTRUCTIONS CAREFULLY. 

Follow these instructions and those of 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.

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When working with, or near, a lead-acid battery ensure that there is another person within hearing range of your 

voice and close enough to come to your aid should a problem arise.

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

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

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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.

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

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

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DO NOT smoke or allow a spark or flame in the vicinity of the battery or engine.

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WARNING! 

DO NOT drop metal tools on, or otherwise allow them to touch, both battery terminals. The resulting short circuit could cause an explosion.

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DO NOT cross connect power leads from starter to the battery. Ensure positive (+) (RED) is to positive and negative (-) BLACK is to negative. 

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Summary of Contents for POWER PRODUCTS YG10.48

Page 1: ... heat in the vicinity while handling fuel Avoid spilling diesel onto a hot engine Comply with all laws regulating storage and handling of fuels p p WARNING NEVER refuel when the engine is running or when the engine is hot Allow cool down time 3 Operate the generator only on level surfaces maximum allowable tilt is 10º and where it will not be exposed to excessive moisture dirt or corrosive vapours...

Page 2: ... engine with insufficient oil 3 2 3 Ensure that the generator set is on a flat horizontal surface and that the engine is not running and is cold 3 2 4 Unscrew the oil filler dipstick fig 2 D and wipe the dipstick clean 3 2 5 Insert the dipstick into the filler neck but DO NOT screw it in 3 2 6 Remove the dipstick and check the oil level It should be between the two lines fig 3 never below the lowe...

Page 3: ...ion or 20 hours or 100 hours or 500 hours or 1000 hours Drain and clean the fuel tank l Change the engine oil l l Check and adjust the valve clearances 2 l l Clean the generating set l Check battery l Clean the oil strainer l Replace the air filter 1 l Check injection system 2 l Check cylinder head bolt torque 2 l Replace the fuel filter l Replace piston rings 2 l Reseat the valves 2 l 3 4 STARTIN...

Page 4: ...nscrew the wing nut fig 9 2 and remove the air filter cover fig 9 1 Lift out the filter element fig 9 3 4 4 3 Fit the new element replace cover and retain with the wing nut and washer 4 4 4 Replace the access cover 4 5 FUEL FILTER p p WARNING Never try to clean the fuel filter Always replace it 4 5 1 Remove the access panel fig 8 4 5 2 Turn off the fuel valve see fig 9 4 5 3 Disconnect the fuel li...

Page 5: ... us on 01284 757525 and leave your full name and address including postcode CURRENT A CABLE LENGTH 0 50 metres 51 100 metres 101 150 metres 6 1 5mm 1 5mm 2 5mm 8 1 5mm 2 5mm 4 0mm 10 2 5mm 4 0mm 6 0mm 12 2 5mm 6 0mm 10 0mm 16 2 5mm 10 0mm 10 0mm 18 4 0mm 10 0mm 10 0mm 24 4 0mm 10 0mm 16 0mm 26 6 0mm 16 0mm 16 0mm 28 6 0mm 16 0mm 16 0mm 7 CABLE SIZES 8 SERVICE PARTS 9 DECLARATION OF CONFORMITY YG10...

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