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20

(4) lf the engine possesses motor type starter, turn the start key switch to "OFF" position.
(5) Pull out the recoil handle slowly until pressure is felt by your hand (that means at the point of 
compression stroke, where the intake and exhaust valves are closed) and then let the handle back 
to its natural position so that it can preven! rust when the engine is not used.
Note: Only when stopping the engine can you pull the recoil handle, otherwise the engine may be 
damaged.

3. TECHNICAL MAINTENANCE OF DIESEL ENGINE

3-1 Daily Check and Maintenance

Check oil level of machine oil whether it is between upper and low limit.
Check  whether  there  is  oil  leakage phenomenon.
Clean up the dirt, greasy dust on the diesel engine and its appendage and keep the engine clean.
Remove malfunction detected during operation.

3-2 Regular Check and Maintenance

Regular check and maintenance are very importan! for normal operation and durability of the 
engine. The following table indicates what is necessary and when to check the engine.
Marks show special tool or technique is needed for maintenance. Please contact local dealer.

 

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Summary of Contents for DDERBF Series

Page 1: ...Manufactured under license of Daewoo International Corporation Korea www daewoopowerproducts com USER S MANUAL DDERBF SERIES Diesel engine ...

Page 2: ...INDEX 1 INTRODUCTION 2 2 SAFETY PRECAUTIONS 2 3 TECHNICAL DATA 5 4 OVERALL DIMENSIONS AND INSTALLATION 6 5 OPERATION OF DIESEL ENGINE 12 6 PARTS LIST OF DIESEL ENGINE 24 WARRANTY 48 1 ...

Page 3: ...ation Follow the operating requirement in the manual to keep your engine in best working condition and make the engine run longer lf you have any questions or suggestions about this manual please contact us or dealer User should pay attention to that with the improvement of our products the descripition in this manual may differ from practical products 2 SAFETY PRECAUTIONS Please make sure to foll...

Page 4: ... The muffler and other engine parts become very hot while the engine is running or just after it has stopped Operate the engine in a safe area and keep children away from the running engine SURROUNDINGS Operate the engine on a table level surface free of small rocks loase gravel etc Operate the engine on a level surface lf the engine is tilted fuel spillage may result NOTE Operating the engine at ...

Page 5: ...nuts for looseness A loose bolt or nut may cause serious engine trouble Check the engine oil and refill if necessery Check the fuel level and refill if necessary Take care not to overfill the tank Wear snug fitting working clothes when operating the engine Loase aprons towels belt etc may be caught in the engine or driving train causing a dangerous situation 4 ...

Page 6: ...linder vertical 4 stroke air cooled direct injection Max power 4 9 kW 6 6 hp Rated power 3 8 kW 5 1 hp Max speed 3600 rpm Displacement 296 cc Bore stroke 78 62 mm Fuel tank capacity 3 5 L Oil capacity 1 1 L Starting system Manual Net weight 35 kg DDERB186F Engine type Single cylinder vertical 4 stroke air cooled direct injection Max power 7 34 kW 9 85 hp Rated power 5 7 kW 7 75 hp Max speed 3600 r...

Page 7: ...4 OVERALL DIMENSION AND INSTALLATION 170F 178F 1 1 1 6 ...

Page 8: ...f driving wheel belt wheel can be calculated as follow 5 Be sure that belt is tightened properly lf the belt is fixed too tight the engine will be overloaded while starting the belt be drawn longer and the engine may be damaged lf the belt is fixed too loose the belt will slip at high speed and high load 1 2 3 Allowed distance between belt wheel and engine The V axle wheel groove should be close t...

Page 9: ...ilt must be kept within the allowed value shown in Fig 1 2 1 2 6 Please contact our dealer about electric circuit We recommend to use accumulators Rated 20 hours shown in table 1 2 1 3 Connecting sizes 1 3 1 Sizes of output shaft Fig 1 1 Fig 1 2 DDERB170F 18 24 24 36 DDERB178F DDERB186F 36 45 Table 1 2 unit Ah ...

Page 10: ...9 1 3 Connecting sizes 1 3 1 Sizes of output shaft unit mm ...

Page 11: ...izes of PTO flanges 1 4 Names of diesel engine parts PTO Flanges Cap Exhaust Muffler Decompression Lever Air cleaner Cover of w ind Oil depth ga uge and inlet port RecoilManualStarter DDERB170F DDERB178F DDERB186F ...

Page 12: ...78F DDERB186F lntakevalue open BTDC18º 30 BTDC18º BTDC13º lntake value close ATDC45º 30 ATDC46º ATDC52º Exhaust valva open BBDC55º 30 BB0 C52º BB0C57º Exhaust valva close ABDC8º 30 ABCD12º ABDC8 5º Model 170F 17 8F 1 86F 1 1 In take valva 0 10 0 15 Cold state Exhaust valva 0 10 0 15 Cold state Model 170F 178F 186F 1 Exhaust temperature t 480 Mac hina oi l te mperature t 95 Smoke 4 Press ure of inj...

Page 13: ...e is running or jusi after it has stopped 2 1 4 The diesel engine must be run under rated power and rated speed lf you detect abnormal phenomenon stop the engine immediately to check and remedy 2 1 5 New engine or newly maintained one must be run at low speed and low load at first 20 hours Do not allow to run it at high speed and full load 2 2 Choose fuel lubricant and preparation before start Mod...

Page 14: ...13 ...

Page 15: ...14 ...

Page 16: ... Avoid over load during test run Change machine oil regularly Change machine oil once every twenty hours or at the end of first month at primary running time and then once every three months or 100 hours lnterval of Changing Machine Oil 2 3 Start of the Diesel Engine 2 3 1 Recoil start NOTE WHEN THE ENGINE IS RUNNING DO NOT PULL THE RECOIL HANDLE OTHERWISE THE ENGINE MAY BE DAMAGED ...

Page 17: ...16 ...

Page 18: ...again 2 Accumulator CD Check the liquid level in accumulator every month if the level is lower than the low limit mark refill distilled water up to the upper limit mark lf the liquid in the accumulator is not enough the electric motor will not run for too little electric current So keep the liquid level between upper and low limit marks The liquid will splash on near parts which will be spoiled if...

Page 19: ...t may cause explosion Do not pull out the plug unless filling oil lf plug is not at its correct position rain dust or other impurity may be sucked into the engine to cause serious failure or to damage engine parts 2 4 Run and Stop of the Diesel Engine 2 4 1 Run of the engine 1 Preheat the machine for three minutes at no load 2 Set the speed governor lever of the engine at required speed position U...

Page 20: ...iately and contact your local dealer 2 4 3 stop of the engine 1 At first set the speed governor lever at low speed position before stopping the engine and then run the engine at no load for three minutes 2 Set the speed governor lever at stop position Decrease the load gradually when stopping the engine Sudden stop of engine will cause abnormal increasement of temperature Do not stop engine with d...

Page 21: ... Check and Maintenance Regular check and maintenance are very importan for normal operation and durability of the engine The following table indicates what is necessary and when to check the engine Marks show special tool or technique is needed for maintenance Please contact local dealer m Daily After 20hours or1 month 100Hoursor Every3month 500Hoursor Every6month 1000Hoursor Everyyear Check and t...

Page 22: ...21 ...

Page 23: ...ption of fuel and lubricant increases lt is also difficult to start the engine Clean the core of filler regularly 3 3 Storage for a Long Period Please do as follow if store the engine for a long period 1 Run the machine for three minutes and then stop the machine 2 Drain away the lubricant before the engine becomes cool and then refill new machine oil 3 Disassemble the rubber plug on the cover of ...

Page 24: ...t the engine rotate for two or three seconds with the start key switch on start position Do not run the engine 5 Pull up the decompression lever and pull out recoil starter slowly until the resistance is felt by your hand that is at the point of compression stroke where the intake and exhaust valves are closed which can prevent engine from rust 6 Clean out machine oil and dirt from the engine and ...

Page 25: ...iece 1 86 1720106 rectangle ring 5 1 2 5 Piece 1 8 70 1700201 Bolt of cylinder head long Piece 2 78 1700201 Piece 2 86 1700203 Piece 2 9 70 1700301 Bolt of cylinder head short Piece 2 78 1700302 Piece 2 86 1700303 Piece 2 10 70 1700107 Cylinder block Piece 2 78 1700103 Piece 1 86 1700110 Piece 1 11 70 1711702 Rear oil sealing 30x45x8 Piece 1 78 1711702 Piece 1 86 1711704 Rear oil sealing 30x45x8 P...

Page 26: ... 86 Piece 2 29 78 86 17080 Fuel pipe Piece 1 30 70 1701901 Crankcase cover Piece 1 78 1701902 Piece 1 86 1701904 Piece 1 31 17133 lnner hexagon plug G1 8 Piece 1 32 70 1710083 Anti loosing bolt M8 x 33 5 Piece 1 70 1711062 Anti loosing bolt M6 x 25 Piece 14 78 1710083 Anti loosing bol M8 x 33 5 Piece 15 86 1710083 Anti loosing bolt M8 x 33 5 Piece 16 33 70 1711701 Front oil sealing 25 x 42 x 1O Pi...

Page 27: ...26 DDERB179FS ...

Page 28: ...717001 Piece 1 9 70 78 17168 Rocker arm Piece 1 86 1716801 Piece 1 9A 17165 Adjusting screw of vavle gap Piece 2 10 70 78 1710745 Fastened bolt of rocker arm shaft Piece 1 86 1716901 Piece 1 11 70 1705201 Valve adjusting packing Piece 2 78 1705202 Piece 2 86 1705203 Piece 2 12 70 1702701 Valve clip Piece 4 78 1702702 Piece 4 86 1702703 Piece 4 13 70 1702801 Valve spring seat Piece 2 78 1702802 Pie...

Page 29: ...6 1702605 Piece 1 23 1710103 Nut M6 GB6177 86 Piece 2 24 1717302 Press plate of fuel injector Piece 1 25 1724502 Adjusting gasket of fuel injector Piece 1 26 70 1712201 Fastened bolt of fuel injector AM6 x 42 Piece 2 78 1712201 Fastened bolt of fuel injector AM6 x 42 Piece 2 86 17122 Fastened bolt of fuel injector long Piece 2 27 17141 Breather assembly Piece 1 28 1711312 O type ring 12 x 1 9 Piec...

Page 30: ...29 ...

Page 31: ...onnecting rod body Piece 1 78 1701302 Piece 1 86 1701303 Piece 1 6 70 1701501 Connecting rod bush Piece 1 78 1701502 Piece 1 86 1701503 Piece 1 7 70 1710001 Bearing 202 GB T276 94 6304 Piece 2 78 1710001 Piece 2 86 1710000 Bearing 203 GB T276 94 6304 Piece 2 8 70 1706501 Balancing shaft Piece 1 78 1706502 Piece 1 86 1706503 Piece 1 9 1710507 Key 5 x 7 GB1096 79 Piece 2 10 70 1707701 Balancing shaf...

Page 32: ...1704504 Piece 1 1704705 Sleeve of fuel pump tappet Piece 1 70 1705101 Push rod Piece 2 78 1705102 Piece 2 86 1705103 Piece 2 70 17157 Tappet Piece 2 78 17157 Piece 2 86 1715701 Piece 2 70 78 1710514 Key 5 x 14 GB1096 79 Piece 1 78 1710504 Key 5 x 12 GB1096 79 Piece 1 70 1701001 Camshaft Piece 1 78 1701002 Piece 1 86 1701000 Piece 1 78 1701003 FS camshaft Piece 1 70 1701101 Camshaft timinggear Piec...

Page 33: ...32 ...

Page 34: ...7 86 Piece 1 13 17152 Cock of fuel draining fuel pipe Piece 1 14 17183 Lower bracket of fuel tank Piece 1 15 1710714 Bolt M6 14 GB5787 86 Piece 2 16 1710106 Nut M6 GB6177 86 Piece 2 17 1710206 Flat washer 6 GB97 1 85 Piece 1 18 17150 Fuel tank cock Assem Piece 1 19 17154 Flat washer Piece 1 20 1719403 Clamp of fuel oil pipe Piece 2 21 17189 Fuel oil pipe Piece 1 22 17148 Gasket of fuel oil filter ...

Page 35: ...34 ...

Page 36: ...e 1 11 78 86 1710714 Bol M6 14 GB5789 86 Piece 1 12 78 86 1702103 Oil filler element Piece 1 13 70 1711314 Sealring 20 2 5 Piece 1 78 86 1711316 Seal ring 20 2 65 Piece 1 14 78 85 17080 Oil guide Piece 1 15 70 1702301 Driving gear of oil pump Piece 1 78 1702302 Piece 1 86 1702302 Piece 1 16 17132 Pin offly block Piece 1 17 17131 Fly block Piece 2 18 17234 Tappet of governor fork Piece 2 19 17125 G...

Page 37: ...Piece 1 30 17161 Returm spring I Piece 1 31 70 17160 Speed control spring Piece 1 78 17160 Piece 1 86 1716001 Piece 1 32 1710645 Bolt M6 45 GB6172 86 Piece 1 33 1710111 Nut M10 1 25 Piece 1 34 1706701 FG parts of lever Piece 1 35 1706901 FG gorernor spring Piece 1 36 1710714 Bolt M6 14 GB5787 86 Piece 1 37 1710106 Nut M6 GB39 88 Piece 1 38 1716801 Washer Piece 2 39 1730720 Handle shaft Piece 1 36 ...

Page 38: ...37 ...

Page 39: ...iece 1 6 70 1703201 Reel Piece 1 78 1703202 Piece 1 86 1703203 Piece 1 7 70 1704003 Starting claw Piece 2 78 86 1704005 Piece 2 8 70 17218 Compressed spring Piece 1 78 86 1721801 Piece 1 9 70 17219 Torque spring Piece 1 78 86 1721901 Piece 1 10 70 1704004 Plate of starting claw Piece 1 78 86 1704006 Piece 1 11 70 17039 Friction plate Piece 1 78 86 1703902 Piece 1 12 70 1703903 Gesket of frictionpl...

Page 40: ...r 6 GB90 85 Piece 5 Piece 4 20 78 17145 Collar Piece 5 70 86 17145 Piece 4 21 78 17143 Shock absorber Piece 5 70 86 17143 Piece 4 22 17144 Pieces of shock pads Piece 1 23 70 86 17127 shock isolation piece of wind leading plate Piece 1 24 70 86 17129 Collar Piece 1 25 70 86 17128 Pad Piece 1 26 70 1700401 Wind leading plate Piece 1 78 1700402 Piece 1 86 1700403 Piece 1 27 70 1710712 bolt M6 12 shap...

Page 41: ...40 ...

Page 42: ...6 Piece 1 8 70 78 1717602 Air fill er element Piece 1 86 1717601 Piece 1 9 70 78 17186 Gasket of muffier Piece 1 86 1718601 Piece 1 10 70 1705401 Muffier assembly Piece 1 78 1705402 Piece 1 86 1705403 Piece 1 11 1710208 Flat washer t 8 Piece 2 12 1710308 Spring washer t 8 Piece 2 13 1710108 Nut M8 GB6170 86 Piece 1 14 70 1710714 bol M6 14 GB6170 86 Piece 1 78 86 1710757 bol M6 14 GB6170 86 Piece 2...

Page 43: ...of shock proof Piece 1 86 1718001 Piece 1 21 70 78 17181 Shock absorber of air filler Piece 1 86 1718101 Piece 1 22 70 78 1710103 Collar GB6177 86 Piece 1 86 1710114 Collar GB6177 86 Piece 1 23 70 78 17182 Shock absorber of air filler aquare Piece 1 86 1720106 Piece 1 24 17177 Washer Piece 1 25 70 78 1710107 Bullerfly nul M6 Piece 1 85 1710109 Bullerfly nul M8 Piece 1 42 ...

Page 44: ...43 ...

Page 45: ...ivery gasket 4 Delivery valve 6 Plunger 7 Adjusting gasket 8 Connecting plate of pump body 9 Circlip 1O Control lever assembly 11 Spring seat 1 12 Pin of sleeve 13 Fuel injection pump 14 Fuel injection pump spring 15 Fuel pump assembly 16 Nut M6 ...

Page 46: ...asket of cylinder head is leaky and he pressure of compression is not enough Remedy with its cause Diesel fuel delivery is interrupted Diesel fuel is too little in he fuel tank Fill he Fuel into the fuel tank lf the fuel pipe and fuel filter are obstrucled or leaky remedy them Compression pressure is not enough in he cylinder he nut of cylinder head is no tighten or gasket of cylinder is damaged o...

Page 47: ...pray hole carbon deposit Clean Needle valve adhered Clean or change Fitting is too loase between needle valve and needle valve body Change Air filter is obstructed Disassemble to clean to change the core of filter Speed is not high enough Check the speed of diesel engine with tachometer Adjust the Adjust high speed limit screw CAUSE REMEDY Malfunction of fuel system No fuel Add fuel Fuel pipeline ...

Page 48: ...d Air is not enough or leaky Clean theair fitter check the cause of leakage andremedy CAUSE REMEDY The re is m achine oil in cylinder Check oil level drain away the unnecessary machine oil Piston ring is dlipped or wom and its springnessis not enoughor each gap of ring tums to same direction tomake the machine oil go up Check changa the piston ring and cross each gap position The gap is too big be...

Page 49: ...ow Check the speed govemor system whether it is nimble Whether there is air in fuel pipeline Abnormai sound suddenly apper Check each motional part carefully Exhaust with black smoke suddenly Check fuel system especially nozzle There is metal knocking sound rhythmically in the cylinder The fuel delivery angle is too big Adjust it ...

Page 50: ...or more nodes teaser on the surfaces of the cylinder and the piston or destruction of piston rings Also the warranty does not cover failure of the automatic voltage regulator due to incorrect operation Failure caused by clogging of the fuel and cooling systems Wearing parts carbon brushes belts rubber seals oil seals shock absorbers springs clutches spark plugs mufflers nozzles pulleys guide rolle...

Page 51: ...www daewoopowerproducts com Manufactured under license of Daewoo International Corporation Korea ...

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