MITSUBISHI MEIKI ENGINE
Contents
1. KEN T 453 8515 1 2 052 412 1145 FAX 052 412 7811 CONTENTS SAFETY PRECAUTIONS 18 OF COMPONENTS 19 INSPECTION BEFORE OPERATING THE ENGINE 20 METHODS OF STARTING AND STOPPING THE ENGINE 22 PRECAUTIONS DURING OPERATION ee 26 ADJUSTING THE CARBURETOR 27 INSPECTION AND SERVICE 28 LONG TIME STORING 30 APPLICABLE MODELS 30 SAFETY PRECAUTIONS You have to observe the descriptions indicated with this mark because they contain v2. 30 100 50
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17. on page 28 a Inspection of screws and nuts e Check respective sections for loose or missing screws or nuts e Service them if necessary A Inspection of clogging e Check the cooling fins around the muffler and cooling air inlet for trash or withered grasses trapped e Remove such if necessary il Inspection of fuel pipes e Check for cracks on the fuel pipe disconnected joints on the caburetor N CAUTION Cracks on the pipe or disconnected joints could cause leakage of fuel and resulting fire or explosion If any abnormal condition has been discovered on the pipes replace or service them adequately METHODS OF STARTING AND STOPPING THE ENGINE START CHOKE TYPE UNIT 1 Turn the engine switch to the ON side Engine 2 Set the throttle lever at the slow speed position 3 Push the priming button repeatedly with finger till it hits the top More than 10 times Pressing the priming button is necessary to prime the fuel to facilitate the start up Since any excess amount of primed fuel returns to the tank there is no problem of over priming Prime the fuel rather more than sufficiently to avoid starting trouble 4 Turn the choke lever to the fully closed position at the 7 mark When sufficient fuel is retained and the engine is warm set the choke lever at the fully opened position at the
18. 77 20 27 IL MITSUBISHI ENGINE 7 4 WW mW 0 z Instruction Manual HThis manual describes various Hate 75 gt cautions necessary to operate the i h engine properly Before starting the engine read the manual and lt understand the proper method of use Improper use of the engine Ve HA E 1 A ee could result in accident or injury LAN MUse the engine after reading and understanding also the manual of equipment driven by the engine HKeep the manuals at safe place where you can consult whenever YC 178 you may need it ae MITSUBISHI HEAVY INDUSTRIES LTD 05 09 2 ADE aasa 2 a AE M SES SD 4 IYE E AE ee aitama 6 St eel 10 MD EEE 14 jas 12
19. Ka mark 5 While holding down the engine firmly grasp the recoil starter grip and pull vigorously Priming 6 When the engine has started return the choke button lever gradually to the fully opened position at the mark If only exploding sounds are heard but it does not start return the choke lever to the fully closed position and pull the starter grip vigorously once again START STARTER LEVER TYPE UNIT 1 Turn the engine switch to the ON side Engine 2 Set the throttle lever at the slow speed position 3 Push the priming button repeatedly with finger till it hits the top More than 10 times Pressing the priming button is necessary to prime the fuel to facilitate the start up Since any excess amount of primed fuel returns to the tank there is no problem of over priming Prime the fuel rather more than sufficiently to avoid starting trouble 4 Turn down the starter lever of carburetor to set it at the start position It is not necessary to operate the starter lever when the engine is warmed up For about 15 minutes after stopping the engine To be left at the operating position Depending on specifications the starter lever may be provided at the throttle wire side Priming button 5 While holding down the engine firmly grasp the recoil starter grip and pull vigorously N CAUTION When the engine has stopped on the IHSHIBV8P way after startind Or Fumidown 2 When the engine
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21. assure the safety of engine operators or service personnel must observe necessary precautions to operate it safely and protect themselves from possible dangers NAME OF COMPONENTS Recoil starter grip Starter lever Cooling air inlet 4 Fuel tank cap 5 Fuel tank 6 Muffler Exhaust outlet Types vary depending on the specifications Engine switch 10 Types vary depending on the specifications 8 esi 10 Clutch Ignition plug cap Air cleaner 6 2 w 13 Carburetor 9 13 13 Priming button INSPECTION BEFORE OPERATING THE ENGINE FUEL Use mixed oil of ordinary regular gasoline for vehicle and special 2 cycle engine oil with the proportion as shown by the following table Mixing ratio volume percent Applicable engine series Gasoline Special 2 cycle engine oil TL Series TU Series 25 1 JASO FB Class or ISO L EGB Class TL 1 Series TB Series 50 1 JASO FC Class or ISO L EGC Class eBe careful not to mistake the mixing ratios for FB Class 25 1 and FC Class 50 1 Otherwise it could cause trouble e Do not use degenerated oil with sour smell It could cause engine trouble such as the starting error insufficient output etc e Make sure to clean spilled fuel It could foul clothes or cause fire e Do not use 4 cycle engine oil It could cause fouled plug bound piston ring clog
22. fails to start after trying op the recoil operation for 7 to 8 times Return the starter lever to the operating position and try the recoil operation 6 If you move the throttle lever to the high speed side a little after the engine has started the starter lever returns to the operating position Continue the warm up operation for 2 to 3 minutes in this condition Observing the condition of engine move the throttle lever to a desired engine speed START Z CAUTION A Before starting the engine confirm that the area of radius 15 m around the engine is completely evacuated not operate the engine when any inflammable material gasoline volatile chemicals others is present around it A Driven equipment may start simultaneously with the start of engine Carefully read the instruction manual of the equipment and start the engine carefully A When a class FC oil is used a larger resistance may be felt when pulling the recoil starter grip under low temperature condition or at the initial operation at the next season This is related to the characteristic of the oil and there is no problem on the engine Once it started it will return to the normal condition Concerning New Start System It can start even if it is pulled slower than normal ANI the rope is pulled vigorously till it will not come out any more it could damage the recoil mechanism Z Do not disassemble the recoil It is da
23. ignition plug cap or high voltage cord during operation There is risk of electric shock or physical injury AN Do not operate the engine with the muffler or air cleaner cover removed ADJUSTING THE CARBURETOR Z Engine revolution speed is adjusted at the optimum condition before shipping from the factory It should be adjusted only when it fails to operate properly Consult your dealer when adjustment is necessary 1 Use the slow speed adjusting screw to adjust Slow speed i adjusting screw the slow speed revolutions j Slow speed fuel e Right turns Increase the revolution speed adjusting screw e Left turns Slow down the revolution speed A Increasing the slow revolution excessively causes the driven equipment unable to stop even if the throttle lever is returned The revolution speed should not be increased excessively 2 In case with the slow speed fuel adjusting screw Normal position is where it is returned by one turn from the fully closed position right turn Right turns Increase the thickness of fuel e Left turns Decrease the thickness of fuel 3 In case with the high speed fuel adjustment screw e Right turns Decrease the thickness of fuel e Left turns Increase the thickness of fuel Fuel adjustment for the carburetor is completed at the optimum condition before shi
24. Es A 2 HLT 77 Arv 1 2 ABL 1 e 3 AN
25. ery important information to assure the safety Z PROHIBITED ITEMS A e No person who does not understand the content of this manual should be allowed to operate the engine A e Engine should not be operated at the indoor or a place with poor ventilation Exhaust gas contains odorless and harmful carbon monoxide AN e Do not insert in or approach hands or foot to the moving or revolving sections A e Do not store spill or use gasoline at the vicinity of fire stove furnace or devices using the pilot flame or sparks like a water heater or others There is risk of explosion AN Do not refill the fuel indoors or at a place not well ventilated AN Do not refill the fuel while smoking A Do not remove the fuel tank cap or refill the fuel during engine operation or immediately after operation when the engine is still hot Wait for more than 2 minutes after terminating the operation before refilling the fuel A e Do not operate the engine when gasoline has spilled smell of gasoline is felt or there is risk of explosion A Do not adjust the setting engine speed unnecessarily A e Do not check sparks while the ignition plug is removed A e Do not operate the engine with the muffler or air cleaner cover removed Inspect particularly the muffler at regular intervals for loose mounting screws breakage or leakage and repair or replace it if any abnormal condition has been discovered e Do not operate the engine
26. ged muffler or others A CAUTION e Take care of fire when handling gasoline There is risk of explosion ADJUSTMENT OF THROTTLE WIRE Adjust the play on the throttle wire at 0 5 1 0 mm Z LARGER PLAY e t could cause the starting trouble e Revolution speed could rise unexpectedly when the external wire of throttle wire comes off from the position Z NO PLAY Driven equipment may fail to stop even if the throttle lever is returned Throttle wire adjust screw Lock nut Play As much as the external wire can move lightly INSPECTION OF RESPECTIVE SECTIONS Make sure to inspect these sections before operating the engine Inspection of fuel e Is sufficient quantity of oil reserved e 5 not the fuel degenerated e Use the proper fuel referring to the Fuel section CAUTION e Sufficient care must be taken on the fire not only when replenishing but also handling fuel It could cause fire or explosion e Securely close the oil tank cap Fuel may leak if the cap is tightened aslant It will never leak if the cap is tightened properly Excluding TL tank cap breather type Inspection of air cleaner Is not fouled the air cleaner element e When the element is fouled or it is not impregnated with oil inspect and service it in accordance with Inspection and servicing before each operation
27. ite kerosene When it is fouled heavily replace the filter and also wash the tank inside itin securely Clearance between electrodes 0 6 0 7 mm Use of fire is strictly prohibited Carbon removal Remove carbon from the muffler in outlet cylinder and piston This work requires engine servicing skill and some tools Consult your dealer or nearest service center Z CAUTIONS DURING INSPECTION Disconnect the ignition plug wires before inspection or adjustment to prevent unexpected start of engine AN Do not touch the engine immediately after operation to prevent burn NUse of fire is strictly prohibited when handling the fuel gasoline N Make sure to clean spilled fuel sufficiently before using the engine Do not wash the engine with water Do not change the setting revolution speed carelessly Consult your dealer when changing the revolution speed LONG TIME STORING When releasing the engine from operation for more than 30 days it must be serviced and stored as follows with care to prevent the starting trouble or malfunction due to degeneration of fuel 1 Drain the fuel from the fuel tank and start to run the engine till it is stopped due to use up of fuel 2 Wash the inside of fuel tank and fuel filter with white kerosene Muse of fire is strictly prohibited 3 Removing the ignition plug inject a small quantity of new engine oil through the plughole After idling slowly fo
28. ngerous to disassemble the inside of recoil Consult your dealer when it is necessary to replace related parts it the decompression slot of cylinder is clogged the engine may start slower than normal Clean the slot to restore the normal condition STOP 1 Setthe throttle lever at the slow speed position 2 Turn the engine switch to the OFF position Switch position may vary depending on the specifications Refer to the instruction manual of driven equipment In chase of a push button type switch keep pressing the push button till the engine stops completely e Replenish the fuel before using up completely It will make easier at the next starting e When there is no subsequent work drain the fuel from the fuel tank and restart the engine to use up the fuel remaining in the carburetor N CAUTION Place the engine at a horizontal position when the driven eguipment is not used at the rest time or others in summer season If the tank is tilted as much as the inside of fuel cap is submerged in the fuel the fuel may leak A Do not touch the engine body especially the muffler during or immediately after stopping the operation There is risk of burn Engine switch PRECAUTIONS DURING OPERATION e After starting the engine set the throttle lever at the slow speed position and warm up the engine for approx 2 3 minute As the engine worms up the engine will be accelerated smoo
29. pping from the factory When it is necessary to adjust consult your dealer High speed fuel adjusting screw Z Do not decrease the thickness of fuel too much It could result in the seizure trouble of engine INSPECTION AND SERVICE Table of regular inspections Before Each At Every At Every Operation 50 hour 100 hour Inspection and retightening of bolts nuts Inspection of fuel leakage Inspection cleaning of air cleaner Cleaning at cooling air inlet cooling fin and around muffler Inspection cleaning of ignition plug Inspection cleaning of fuel filter Removal of carbon from muffler cylinder Cleaning of spark arrestor Replacement of ignition plug Replacement of fuel pipe Wash the element with white kerosene and then immerse it in engine oil Squeeze it tightly by hands Clean at around the muffler Clean the cooling fins and the cooling air inlet Inspect and retighten bolts and nuts Inspect the fuel leakage Cleaning and adjustment of ignition plug After removing carbon accumulated on the electrodes and the insulator adjust the clearance between the electrodes at 0 6 0 7 mm thickness of 3 postcards AN When mounting the plug cap push INSPECTION AND SERVICE AT EVERY 50 HOUR Cleaning of fuel filter Using a piece of wire or the likes pull out the fuel filter and wash with clean wh
30. r few revolutions operating the recoil starter install the ignition plug Pull the recoil starter again and stop it at the position where it is felt heavy 4 Clean the external surfaces with soft cloth and store it at a dry place free from fires If the unit is left over without draining fuel impurities in the fuel could clog the fuel passages such as the carburetor fuel filter or others and cause engine troubles Make sure to drain the fuel when storing the unit for a long period of time A N Sufficient care must be taken not to use fires at the vicinity when handling the fuel APPLICABLE MODELS TL Series een MFD PFD PSD PVD TL 1 Series eee DD FD SD VD TB PDD PFD PSD TU Series PFD MEMO MEMO The Company reserves the right to change or correct the contents of this manual without prior notice or obligation MITSUBISHI HEAVY INDUSTRIES LTD GENERAL MACHINERY amp SPECIAL VEHICLE HEADQUARTERS MEIKI GASOLINE ENGINE DEPARTMENT ADMINISTRATION SECTION 1 Takamichi Iwatsuka cho Nakamura ku Nagoya 453 8515 Japan Tel 81 52 412 1145 Fax 81 52 412 7811
31. thly Slow speed SAA High speed SL Do not attempt to raise the engine speed abruptly immediately after the start because the lubrication oil may not be distributed yet all over the engine e f the throttle lever is turned to the fully opened position the revolution speed picks up to a considerably higher level which could not only shorten the life of engine but also cause trouble It should be avoided to race the engine at high speed under no load condition or raise the speed unnecessarily Z CAUTION A e Before starting operation make sure to inspect the engine in accordance with the Inspection before starting the engine AN e Do not operate the engine at the indoor or a place with poor ventilation Exhaust gas contains odorless and harmful carbon monoxide AN Do not insert in or approach hands or foot at the moving or rotating sections AN e Stop the engine immediately if it has been discovered any leakage of fuel or gas from the carburetor muffler fuel tank crankcase cylinder or mating face at respective sections Contact a dealer or service center for repair Do not change the setting revolution speed of engine unnecessarily AN e Be careful not to touch highly heated muffler or sections on the engine to avoid possible risk of burn Av e Do not operate the engine while withered grasses leaves or other inflammable substances are sticking in or around the muffler cover A e Do not touch the
32. when grasses leaves or inflammable substances are sticking in or around the muffler Do not touch parts of muffler or engine at high temperatures is risk of burn A e Do not touch the ignition plug or high voltage cord during operation There is risk of electric shock or physical injury A e Make sure to stop the engine whenever the work is interrupted or moving the engine to another place A e Do not operate the engine alone It must be connected to the driven equipment when it is operated Z CAUTIONS A e Check frequently the parts used on the fuel line for cracks or leakage and replace them if necessary AN e Remove dirt grasses or other trash from the cooling fins and the cooling air inlet Make sure to stop the engine and the driven equipment before the cleaning A e Make sure to use always new gasoline Old gasoline may cause sticky substance adhering at the inside of carburetor or operation trouble Z e Before starting the engine confirm that the area of radius 15 m around it is evacuated and no tank filled with fuel or others are not left over AN Make sure to use only the genuine parts supplied from Mitsubishi Meiki Engine Use of parts other than the genuine parts could cause engine trouble or premature abrasion AN CAUTION Important safety items quoted in this manual do not necessary cover all situations or conditions that could occur Although sufficient cares have been taken to
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