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ENGLISH

VOLTAGE DROP IN ELECTRIC EXTENSION CORDS

When a long electric extension cord is used to connect an appliance or tool to the
generator, a certain amount of voltage drop or loss occurs in the extension cord
which reduces the effective voltage available for the appliance or tool.
The chart below has been prepared to illustrate the approximate voltage loss when
an extension cord of

100 meters is used to connect an appliance or tool to the

generator.

Nominal

cross

section

A.W.G.

Allowable

current

No.of strands

/ strands dia.

Resistance

Current Amp.

No./mm

Ω

/100m

mm

2

No.

A

1A

3A

5A

8A

10A 12A 15A

0.75

18

7

30/0.18

2.477

2.5V 8V 12.5V

─

─

─

─

Voltage drop

1.27

16

12

50/0.16

1.486

1.5V 5V 7.5V 12V 15V 18V

─

2.0

14

17

37/0.26

0.952

1V

3V

5V

8V

10V 12V 15V

3.5

12 to 10

23

45/0.32

0.517

─

1.5V

2.5V 4V

5V 6.5V 7.5V

5.5

10 to 8

35

70/0.32

0.332

─

1V

2V 2.5V 3.5V 4V

5V

G7300取説̲GU2043 05.1.26 11:27 AM ページ23

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Содержание G7300R

Страница 1: ...3ZZ9990180 GENERATOR INSTRUCTIONS FOR USE カナダ G7300R G7301R ...

Страница 2: ...Metering System i Carburetor and internal parts and or pressure regulator or fuel injection system ii Air fuel ratio feedback and control system if applicable iii Cold start enrichment system if applicable iv Regulator assy gaseous fuel if applicable 2 Air Induction System i Intake manifold if applicable ii Air filter 3 Ignition System i Spark plugs ii Magneto or electronic ignition system iii Spa...

Страница 3: ...nance records covering the performance of regular maintenance in the event questions arise These receipts and maintenance records should be transferred to each subsequent owner of the engine MAKITA reserves the right to deny warranty coverage if the engine has not been properly maintained Warranty claims will not be denied however solely because of the lack of required maintenance or failure to ke...

Страница 4: ...NTARIO LONDON 317 Adelaide Street S Unit 117 London N5Z 3L3 Tel 1 800 571 0899 or 519 686 3115 Fax 519 686 4347 MISSISSAUGA 6350 Tomken Road Unit 8 Mississauga L5T 1Y3 Tel 1 888 221 9811 or 905 670 7255 Fax 905 670 0120 OTTAWA Nepean 210 Colonnade Road S Unit 10 Ottawa Nepean K2E 7L5 Tel 1 888 560 2214 or 613 224 5022 5088 Fax 613 224 2360 WHITBY Toronto Head Office 1950 Forbes Street Whitby L1N 7...

Страница 5: ... if operated according to instructions Do not operate the generator before you have read and understood the instructions Failure to do so could result in death personal injury or equipment damage WARNING Indicates a strong possibility of severe personal injury loss of life and equipment damage if instructions are not followed CAUTION Indicates a possibility of personal injury or equipment damage i...

Страница 6: ... COMPONENTS 4 4 PRE OPERATION CHECKS 6 5 OPERATING PROCEDURES 11 6 WATTAGE INFORMATION 22 7 SPARK ARRESTER 24 8 MAINTENANCE SCHEDULE 25 9 HOW TO MAINTENANCE 27 10 PREPARATION FOR STORAGE 30 11 TROUBLESHOOTING 31 12 WIRING DIAGRAM 32 13 OPTIONAL PARTS 34 ...

Страница 7: ...unpowder oily cloths straw trash or any other in flammables near the generator WARNING Do not enclose the generator nor cover it with a box The generator has a built in forced air cooling system and may become overheated if it is enclosed If generator has been covered to protect it from the weather during non use be sure to remove it and keep it well away from the area during generator use WARNING...

Страница 8: ...ot pour water directly over the generator nor wash it with water WARNING Be extremely careful that all necessary electrical grounding procedures are followed during each and every use Failure to do so can be fatal WARNING It is absolutely essential that you know the safe and proper use of the power tool or appliance that you intend to use All operators must read understand and follow the tool appl...

Страница 9: ... Width Hight Recoil starter Electric and Recoil starter 27 5 BPR6ES NGK Rated continuous operation APPROX Hours 1 2 Fuel Rated output Automotive Unleaded Gasoline Current breaker V Rated current 12 A Safety device type 8 3 DC Output Rated power factor 1 0 60 G7301R G7300R EH41DS EH41D 404 7 0 3 600 Brush Type Self Exciting 2 Poles Single Phase AVR type 6000 A Rated current 50 25 Hz Rated Frequency...

Страница 10: ...ANK CAP FUEL STRAINER FUEL COCK CHOKE LEVER SPARK PLUG CAP MUFFLER COVER RECOIL STARTER EARTH GROUND TERMINAL EXHAUST OUTLET OIL GAUGE OIL FILLER OIL SENSOR OIL DRAIN PLUG FUEL GAUGE AIR CLEANER FUEL TANK CONTROL PANEL ...

Страница 11: ... POWER SWITCH VOLTMETER AC RECEPTACLE KEY SWITCH Electric starter model IDEL CONTROL SWITCH ENGINE SWITCH Recoil starter model DC CIRCUIT BREAKER DC OUTPUT TERMINAL AC CIRCUIT BREAKER AC CIRCUIT BREAKER EARTH GROUND TERMINAL CONTROL PANEL ...

Страница 12: ...able oil see table to upper level line Do not screw in the oil filler cap when checking oil level Change oil if contaminated See How To Maintenance Oil capacity 1 2 liters Recommended engine oil Use 4 stroke automotive detergent oil of API service class SE or higher grade SG SH or SJ is recommended SAE 10W 30 or 10W 40 is recommended for general all temperature use If single viscosity oil is used ...

Страница 13: ... FILTER SCREEN EMPTY FULL E F Do not refuel while smoking or near open flame or other such potential fire hazards Otherwise fire accident may occur CHECK ENGINE FUEL Make sure you review each warning in order to prevent fire hazard Do not refill tank while engine is running or hot Close fuel cock before refueling with fuel Be careful not to admit dust dirt water or other foreign objects Into fuel ...

Страница 14: ...attery When mounting battery connect the positive cable first and then the negative cable to the battery Be careful not to short battery cables When dismounting battery disconnect negative cable first RED CABLE To positive terminal BLACK CABLE To negative terminal Should the connection be made in incorrect manner the generator will be broken Tighten bolts and nuts on terminals securely so they wil...

Страница 15: ...CABEL RED CABEL BATTERY BASE BATTERY FRAME BATTERY BOLT BATTERY RETAINER NUT M8 NUT SPRING WASHER M8 BOLT and WASHER BATTERY CABLE BATTERY CABLE SIDE PLATE A A M8 BOLT and WASHER M8 BOLT and WASHER M8 BOLT and WASHER ...

Страница 16: ...items before starting engine Fuel leakage from fuel hose etc Bolts and nuts for looseness Components for damage or breakage Generator not resting on or against any adjacent wiring CHECK GENERATOR SURROUNDINGS Make sure you review each warning in order to prevent fire hazard Keep area clear of in flammables or other hazardous materials Keep generator at least 1 meter away from buildings or other st...

Страница 17: ...TION OPEN CLOSE CLOSE CHOKE LEVER OPEN CLOSE PULL RAPIDLY RECOIL STARTER HANDLE ON OFF e Recoil starter model Pull the starter handle slowly until resistance is felt This is the compression point Return the handle to its original position and then pull swiftly If the engine fails to start after several attempts repeat above procedures with choke lever returned to open Do not fully pull out the rop...

Страница 18: ... motor over 5 seconds continuously If the engine fails to start return the key to the RUN position and wait about 10 seconds then start again Do not turn the key switch to START position when the engine is running to prevent damage of starting motor When starting the engine by recoil starter set the key switch at the ON position and pull the starter handle CAUTION g After the engine started return...

Страница 19: ...ppliance is grounded Failure to ground unit may lead to electrical shock WARNING 1 AC APPLICATION a Check the voltmeter for proper voltage This generator is thoroughly tested and adjusted in the factory If the generator does not produce the specified voltage consult your nearest Makita factory or authorized service center b Turn off the switch es of the electrical appliance s before connecting to ...

Страница 20: ... the receptacles used referring to TABLE 1 and be sure not to take a current exceeding the specified amperage Be sure that the total wattage of all appliances dose not exceed the rated output of the generator d Turn the AC circuit breaker ON and check if the pilot lamp light up ON OFF PILOT LAMP ...

Страница 21: ...generator if the connected electrical device Is grounded WARNING TWIST The duplex 120V receptacle is protected by a GFCI Ground Fault Circuit Interrupter GFCI shuts off the output current from the duplex 120V receptacle when a ground fault occurs in the generator or the appliance Please note that other receptacles are not protected by GFCI CAUTION up to 30A up to 20A up to 20A NEMA 5 20R NEMA L5 2...

Страница 22: ...the outlets protected by the GFCI indicating that the device is functioning properly If TRIP dose not appear when testing do not use the generator Call a qualified electrician To restore power push RESET button If the RESET button pops out during operation stop the generator immediately and call a qualified electrician for checking generator and the appliances WARNING NOTE Voltmeter always indicat...

Страница 23: ...house wiring generator output power must be taken from the 240V 4P receptacle b Install a transfer switch A transfer switch must be installed to transfer the load from the commercial power source to the generator This switch is necessary to prevent accidents caused by the recovery from power outage Use a transfer switch of the correct capacity Install transfer switch between the meter and the fuse...

Страница 24: ... Operating the generator Set the full power switch to 120V 240V side Turn the house AC breaker off before starting the generator Start the generator and warm it up Turn the house AC breaker on Do not start the generator with electrical appliance s connected and with their switches on Otherwise the appliance s may be damaged by the surge voltage at starting CAUTION ...

Страница 25: ...hydrogen gas is discharged through vent holes in the battery during the charging process Do not allow spark or open flame around the generator or battery during the charging process Electrolyte fluid can burn eyes and clothing Be extremely careful to avoid contact If injured wash the affected area immediately with large quantities of water and consult a doctor for treatment When charging a large c...

Страница 26: ...o load before stopping d Recoil starter model Turn the engine switch to the position OFF Electric starter model Turn the key switch to the STOP position e Close the fuel cock OIL SENSOR a The oil sensor detects the fall in oil level in the crankcase and automati cally stops the engine when the oil level falls below a predetermined level b When engine has stopped automatically switch off generator ...

Страница 27: ...IDLE CONTROL Turn IDLE CONTROL SWITCH off when the IDLE CONTROL does not work normally under the rated output NOTE The IDLE CONTROL may not operate when the applied load is under 40W In such cases turn the IDLE CONTROL SWITCH off 3 STOPPING THE ENGINE Turn off the switch of load Switch off generator s AC breaker Disconnect tool or appliance Turn the IDLE CONTROL SWITCH off Turn the STOP SWITCH to ...

Страница 28: ... enough surge is attained to start the motor the appliance will require only 50 to 30 of the wattage to continue running Most electrical tools require 1 2 to 3 times their wattage for running under load during use For example a 5 000 watt generator can power a 1800 to 4000 watt electrical tool Loads such as submersible pumps and air compressors require a very large force to start They need 3 to 5 ...

Страница 29: ...lustrate the approximate voltage loss when an extension cord of 100 meters is used to connect an appliance or tool to the generator Nominal cross section A W G Allowable current No of strands strands dia Resistance Current Amp No mm Ω 100m mm2 No A 1A 3A 5A 8A 10A 12A 15A 0 75 18 7 30 0 18 2 477 2 5V 8V 12 5V Voltage drop 1 27 16 12 50 0 16 1 486 1 5V 5V 7 5V 12V 15V 18V 2 0 14 17 37 0 26 0 952 1V...

Страница 30: ...d the spark arrester will be very hot Allow the muffler to cool before cleaning the spark arrester How to remove the spark arrester 1 Remove the flange bolts from the muffler cover and remove the muffler cover 2 Remove the special screw from the spark arrester and remove the spark arrester from the muffler SPARK ARRESTER SCREEN SCREW MUFFLER MUFFLER COVER Clean the spark arrester screen Use a brus...

Страница 31: ... The emission control system consists of the following parts The maintenance schedule indicated in the table is based on the normal generator operation Should the generator be operated in extremely dusty condition or in heavier loading condition the maintenance intervals must be shortened depending on the contamination of oil clogging of filter elements wear of parts and so on 1 Carburetor and int...

Страница 32: ...orized service center Periodic Maintenance Schedule table Maintenance Items Every 8 hours Daily Every 50 hours Weekly Every 200 hours Monthly Every 500 hours Every 1000 hours Clean generator and check bolt and nuts Daily Check and refill engine oil Change engine oil Note1 Clean spark plug Clean air cleaner Replace air cleaner element Clean fuel strainer Remove carbon from cylinder head Note 2 Chec...

Страница 33: ...damage will result and its life will be greatly shortened Oil capacity 1 2 liters 1 Urethane Foam Element Wash and clean the urethane foam with detergent After cleaning dry it Clean the urethane foam element every 50 hours 2 Paper element Clean by tapping gently to remove dirt and blow off dust Never use oil Clean the paper element every 50 hours of operation and replace element set every 200 hour...

Страница 34: ...INER Dirt and water in the fuel are removed by the fuel strainer a Remove the strainer cup and throw away water and dirt b Clean the screen and strainer cup with gasoline c Tightly fasten the cup to main body making sure to avoid fuel leak FUEL HOSE REPLACEMENT Replace the fuel hose every 1 000 hours or every year If fuel hose leak is found replace the fuel hose immediately Take extreme caution wh...

Страница 35: ... performance Check the brush every 500 hours or if generator performance is irregular If the brush is 5 mm long or less replace it with a new one a Remove the brush cover b Disconnect the wire connector and remove the brush c Carefully note the brush direction and relative position with the slip ring when installing new brush 15 to 5 mm BRUSH BRUSH HOLDER BRUSH COVER BRUSH HOLDER FLANGE BOLT SCREW...

Страница 36: ...el tank will eventually deteriorate making engine starting difficult Remove the drain screw of the carburetor Change engine oil Check for loose bolts and screws tighten them if necessary Clean generator thoroughly with oiled cloth Spray with preservative if available NEVER USE WATER TO CLEAN GENERATOR Pull starter handle until resistance is felt leaving handle in that position Store generator in a...

Страница 37: ...closed open fuel cock If empty refill fuel tank making sure not to overfill If connected turn off the power switch on the connected appliance and unplug If loose push spark plug cap back into place Remove spark plug and clean electrode Turn engine switch to ON Check to make sure AC circuit breaker is in the ON position Check AC receptacle and DC terminals for loose connection Check to see if engin...

Страница 38: ... 2 1 8 OIL SENSOR Blu SP W R Hr MT Blk Blk Blk W Grn Brn W Grn W Grn W Blk Grn Blk Grn AVR DC Brn DC TERMINAL W Blu Blu Or LGrn Blu W Blk Blu Grn W Blu W Blk Engine Switch Gry Grn Y Gry 120 240V 120V 120V Y W R Earth Terminal W W W Brn Or Brn W Circuit breaker Idle control unit and Fuel cut unit Idle control switch Charge coil Exciter coil Ignition coil Circuit breaker Circuit breaker Circuit brea...

Страница 39: ...W I D SW R Hr MT Blk Blk W W Grn W Blk Grn AVR DC Brn Brn W Or DC TERMINAL Or LGrn Blu W Blk Y W R M ST IG B M Battery Earth Terminal Blu Grn W Blu W Blk Electric Starter Key Switch Magnetic Switch OIL SENSOR Circuit breaker Circuit breaker Circuit breaker Circuit breaker Circuit breaker Idle control unit and Fuel cut unit Charge coil Exciter coil Ignition coil Grn Brn W Grn W Grn W Blk W Blu Blu ...

Страница 40: ... 34 HANDLE GUIDE M8 BOLT and WASHER M8 BOLT and WASHER HANDLE R HANDLE L WHEEL SHAFT HANDLE BRACKET BRACKET M8 NUT M8 NUT ROOF PIPE WHEEL WASHER PIN GRIP M8 BOLT and WASHER HOW TO INSTALL THE WHEEL HANDLE AND ROOF PIPE ...

Страница 41: ......

Страница 42: ...Makita Corporation 3 11 8 Sumiyoshi cho Anjo Aichi 446 8502 Japan ISSUE EMD GU2043 PRINTED IN JAPAN January 2005 CE SK ...

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