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www.remingtonengines.com 

 
 
 
 
 
 
 

 

Operation Manual 

Engine Series 6126 

(6126AZLD-4/6/7/8) 

 

 

Remington Diesel Engines Manufacture 

 

 

 
 
 
 
 
 

Summary of Contents for 6126 Series

Page 1: ...Ⅰ www remingtonengines com Operation Manual Engine Series 6126 6126AZLD 4 6 7 8 Remington Diesel Engines Manufacture ...

Page 2: ...l Engine Main Technique Performance 5 Main Technical Specifications 5 Technical Data 6 Fit Clearances and Wear Limit of Main Parts 8 Chapter 5 Operation of the Marine Diesel Engine 9 Transportation 9 Installation 9 Storage and preservation 11 Fuel oil and jacket water 12 Prepare for starting 13 Starting 14 Running 15 Stopping 16 Run in Operation rule for the new diesel engine 17 ...

Page 3: ... 18 Second grade technique mainenance 19 Third grade technique mainenance 20 Chapter 7 Trouble and Remedy Method 21 Start failure 21 Inefficiency power 22 Abnormal exhaust smoke 23 Unusual pounding noise 24 Oil pressure drop to zero or lacking pressure 25 Engine Overheated Engine Overheated 26 Engine Overspeed 26 ...

Page 4: ...er series diesel engine This machine has the characteristics of compact structure high reliability advanced technology index good startup performance simple operation convenient maintenance and excellent economic performance 6126 series diesel engine can be widely used in heavy truck loader bulldozer excavator crane and other engineering machinery and small power station To maximize the use of dif...

Page 5: ...ter 5 It s forbidden to work at long time overload and such against work regulation 6 It s forbidden to test the generator by short circuit method 7 Control the starting time and spacing at electric starting 8 Technique maintenance at fixed period 9 Drain out the cooling water to prevent the cylinder frost cracking at the ambient temperature lower zero 10 Inject hot water and oil at the ambient te...

Page 6: ...evice 5 While the engine is operating it is not permitted to be dismantled checked and adjusted 6 Emergency stop the engine at oil pressure lower even falls to zero or with abnormal sound inside while engine running 7 Once the engine overspeeds suddenly due to out of control push the stop lever immediately to stop the engine then check the cause and remedy the fault If the stop lever is out of ord...

Page 7: ... cooled Crankshaft rotation direction inverse face to the flywheel Cylinder no 6 Bore Stroke mm 126 130 126 155 Displacement L 9 726 11 596 Pressure ratio 16 1 Firing order 1 5 3 6 2 4 Rated output kW 250 308 345 Rated speed r min 1800 1800 1800 Prime output kW 260 320 350 Highest speed r min 1800 1800 1800 Average effective pressure kPa 1834 2056 2125 Fuel consumption rate g kW h turbocharged and...

Page 8: ...5N m 2 cylinder head bolts 140 20N m 3 main bearing bolts 250 25 N m 4 connecting rod bolts 225 25N m 5 flywheel bolts 260 20N m 6 fuel Injection angle bolts Palette 130 10N m 3 Main Adjustment Data 1 Valve clearance cooled Intake valve 0 30 0 35mm exhaust valve 0 40 0 45mm 2 Compression clearance 1 0 1 20mm 3 Commencement of fuel injection in rank angel 1500 1800r min type 16 1 2000 2200r min typ...

Page 9: ...9 Oil ring and ring groove end surfaces clearance 0 04 0 075 0 26 10 Gap of first compression ring in the cylinder 在标准缸径 量规内测量 measure under the standard bore gauge clearance 0 35 0 60 1 0 1 20 11 Gap of second compression ring in the cylinder clearance 0 25 0 40 1 0 1 20 12 Gap of oil ring in the cylinder clearance 0 35 0 55 1 0 1 20 13 Camshaft supporting journal and bushing hole diametral clear...

Page 10: ...3mm The flywheel and connected axes must keep 1 0 3 0mm clearance to avoid damage the engine when affected by the reaction of the axes 2 When install the marine engine allow 8 vertical gradient the same gradient of power output exes and impel axes with the parallel should no more than 0 08mm Users should check measure and adjust it to avoid big vibration cause by out of center then output descend ...

Page 11: ...store and preserve it according following method 1 First drain out fuel oil and cooling water from the engine 1 Demount the injector put 200G dehydrated clean oil to each cylinder turn crankshaft to make oil on every part surface symmetrically then install the injector and fixed it well 2 Warp up the air filter with plastic film dismantle the silencer and plug up the exhaust hole with wooden plug ...

Page 12: ...lean fuel oil The fuel oil must be strictly filtered when filled to the fuel tank 2 Lubricant oil The diesel engine should use following specification lubricant oil according form 2 form 2 lubricant oil specification Lubricant oil specification Level Brand Temperature GB11122 oil CC CD 30 40 5 20W 40 50 5 15 15W 40 50 15 20 Capacity demand The suitable capacity should be between top and bottom lev...

Page 13: ...ard level Check if the fuel tank with full fuel fuel system expedite 3 Open the fuel tank valve went out the air from the fuel system At the same time check if there are leaking from each fuel pipe If find such matter please solve out immediately 4 Check if the fresh water tank of head exchanger with full cooling water each water pipe leaking or not 5 Check if every accessories connected properly ...

Page 14: ...e standard speed Then run the engine without loading Running 1 Only when the temperature of the cooling water reach 50 60 and oil temperature reach 40 50 can operate the engine with load When the water temperature reach 80 operate the engine at full load 2 The engine speed and load should be increased and decreased gradually In general Shouldn t increase and decrease rapidly 3 When the engine is w...

Page 15: ...op the engine 2 After stopping should take the circuit switch close the fuel tank valve 3 When the temperature under 0 if do not use the antifreeze should drain out the cooling water from the engine to avoid damage the engine body and water pump If with antifreeze it is unnecessary to drain out the water Note Forbid to stop the engine by shutting off the valve of the fuel tank Forbid to stop the e...

Page 16: ...ime Note 1 Idle load 20 mins During adjusting period fuel valve should at full open position load can be estimated by left load form but must know the principle of increasing load gradually During running period pay attention to water temperature oil pressure and oil increasing temperature Listen carefully if strange sound If any problem stop engine and remedy immediately 2 25 load 1hour 40mins 3 ...

Page 17: ...tal Daily maintenance items 1 Check the oil sump face of diesel engine should be keeped between fuel guage up and down scale When not enough must be filled 2 Checked the oil in speed governor of injection pump should be keeped on stated situation when not enough must be filled 3 Check the freshwater capacity in heat changer when not enough must be filled 4 When the temperature is below 0 cooling w...

Page 18: ... is below 1 14 should charge the battery Second of technology maintenance items 1 Carry out all of top of technology maintenance items 2 Checked work of injection pump adjust oil supplying advanced angle When necessary should readjust oil capacity of injection pump on testing bed 3 Checked seal ring of intake and outtake valve and clean out cumulated carbon When necessary should whet and correct a...

Page 19: ...ce 3 Remove and check alternator and startor Clean up bearing and fill with new lubricant meanwhile check and see if start gear abrasion 4 Remove and check cylinder head cylinder line piston and piston rings cleanout the water oil smudgy and cumulate carbon and clean up again 5 Check and measure piston and piston ring s abrasion instance 6 Check and measure the abrasion instance of holes inside of...

Page 20: ...ressure clean or replace valve Insufficient compress pressure Check or replace piston ring cylinder liner and valve If the cylinder head gasket leak steam please screw well the cylinder head bolt If any damage of cylinder head gasket please replace it Valve gap wrong Adjust the valve gap and aim at gear tooth as sign Battery is insufficient Recharging the battery Connecting of electric device is n...

Page 21: ... time wrong Adjust the supply time Valve gap wrong Adjust it Each cylinder fuel supply is unbalanced Adjust injector pump fuel supply Air filter is blocked Clean or replace the filter Injector pump injector wear out or injector pressure is incorrect Replace it with new parts adjust injector pressure and check spray condition Incorrect speed Adjust handle to make speed meet standard level ...

Page 22: ...it Injector is not good Check the injector pressure and spray condition if the injector with problem replace it Fuel inferior quality Change good quality fuel Inefficiency fuel inflammation Mainly caused by the spray is not good supply fuel time is incorrect cylinder head gasket leak steam compression ratio inefficiency Solve out one by one ...

Page 23: ...or lacking pressure abnormality cause remedy Oil level is too low in the crankcase oil tray Add oil to the oil staff standard Oil passage leak oil rule out oil leaking Oil filter secondary filter and passage jam Wash replace the filter if necessary Oil pressure meter breaks or meter and passage jam overhaul or replace Oil be too thinness replace the qualified oil Oil pump gear is worn out and clea...

Page 24: ...em eliminate the furring Oil temperature too high Over or less quantity of oil check the oil level if in the standard Low oil pressure and less flow Refer to Oil pressure drop to zero or lacking pressure engine overload Low the load of engine Engine Overspeed Govenor are stuck Stop the engine immediately and overhaul Control Rod of injection pump is stuck Stop the engine immediately and overhaul I...

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