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Yanmar 4JH4-TE, Operation Manual

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Yanmar 4JH4-TE Operation Manual Download Page 62

58              

6. TROUBLE AND TROUBLESHOOTING

6.  TROUBLE AND TROUBLESHOOTING

Note: 

Other warning lamps do not go on when the switch is turned on. They only go on when there is an abnormal-
ity.

Trouble

Probable cause

Measure

Reference

Alarm buzzer and alarm 
lamps on during opera-
tion. 

Shift to low speed operation immediately, and check which lamp has come on. Stop the en-
gine for inspection. If no abnormality is identified and there is no problem with operation, re-
turn to port at your lowest speed and request repairs.

Lube oil low pressure 
alarm. 
Warning lamp goes on. 

Engine lube oil level low.

Lube oil filter clogged.

Check lube oil, add or replace. 

Replace.

3.2.2

Water in sail drive seal 
alarm goes on.

Breakage of rubber seal on the sail 
drive. 

Check and change the rubber seal.

Coolant temperature high 
alarm warning lamp goes 
on.

Insufficient coolant in coolant tank.
Insufficient seawater causing tempera-
ture to rise.
Contamination inside cooling system.

Check coolant and replenish.
Check seawater system.

Ask for repairs.

3.2.4

Faulty warning devices. 

Do not operate the engine if alarm devices are not repaired.
Serious accidents may result if difficulties are not spotted due to faulty alarm lamps.
When switch is turned ON:
Alarm buzzer does not sound. Circuit broken or buzzer defective. Ask for repairs.

Warning lamps do not go 
on. 

Lube oil low pressure.
Water in sail drive seal alarm.
No current available.
Circuit broken or lamp burnt out.

Ask for repairs.

One of the warning lamps
does not go out. 

Sensor switches faulty.

Ask for repairs.

Battery low charge lamp 
does not go out during 
operation.

V-belt is loose or broken.
Battery defective.

Alternator failure.

Replace V-belt; adjust tension.
Check fluid level, specific gravity.
replace.
Ask for repairs.

5.3.1(6)
5.3.2(2)

Summary of Contents for 4JH4-TE

Page 1: ......

Page 2: ......

Page 3: ...ar Lube Oil 23 3 2 4 Supply Cooling Fresh Water 24 3 2 5 Cranking 26 3 2 6 Check and Resupply Lube Oil and Cooling Water 27 4 HOW TO OPERATE 28 4 1 Inspection before Starting 29 4 2 How to Start the Engine 31 4 3 Remote Control Handle Operation 34 4 4 Cautions During Operation 36 4 5 Shut down the Engine 37 4 6 Long Term Storage 38 5 MAINTENANCE INSPECTION 40 5 1 General Inspection Rules 40 5 2 Li...

Page 4: ...5 4 3 Inspection and Maintenance 57 6 TROUBLE AND TROUBLESHOOTING 58 7 SYSTEM DIAGRAMS 60 7 1 Piping Diagrams 60 7 2 Wiring Diagrams 63 ...

Page 5: ...recautions described in this manual Follow the warning signs below in this manual Pay special atten tion to parts containing these words and signs DANGER Indicates an imminently hazardous situation which if not avoided WILL result in death or serious injury WARNING indicates a potentially hazardous situation which if not avoided COULD result in death or serious injury CAUTION indicates a potential...

Page 6: ... could also cause the fuel injection pump and injector to fail due to lack of proper lubrication Be sure to check that you have selected the correct diesel fuel before filling the fuel tank Do not use starting fluids or sprays Their use may cause explosion seri ous injury and engine damage Fire Prevention Be sure to stop the engine and confirm that there are no open flames in the vicinity before f...

Page 7: ...Fluid Battery fluid is dilute sulfuric acid It can blind you if it gets in your eyes or burn your skin Keep the fluid away from your body If you touch it wash it off immediately with a large quantity of fresh water and call your doctor for treatment Fire by Electric Short Circuits Always turn off the battery switch before inspecting the electrical system Failure to do so could cause short circuiti...

Page 8: ...d shorten product life Also note that any troubles arising from modification are not covered by our warranty Precautions for Treating Waste Never dispose of waste oil or other fluid in a field sewer river or the sea Treat waste matters safely observing regulations or laws Ask a waste recovery company to collect it ...

Page 9: ...evice labels have been attached Their location is shown below and they should always be visible Please replace if damaged or lost 4JH4 TE Product safety labels No Part Code No A 128377 07260 B 128377 07350 C 128296 07300 D 196630 12980 WARNING 128296 07300 A B D C 008830 00X ...

Page 10: ...the engine should be accessible and easy to use for onboard equipment To handle the drive equipment propulsion systems including the propeller and other onboard equipment be sure to observe the instructions and cautions given in the operation manuals supplied by the shipyard and equipment manufacturers The laws of some countries may require hull and engine inspections depending on the use size and...

Page 11: ...arine gear Check the marine gear s model gear ratio oil used oil quantity and serial number The nameplate shown below is attached to the sail drive Check the sail drive model and serial number Continuous power kW Speed of prop shaft Gear Model min 1 Fuel stop power kW ENG No min 1 min 1 MADE IN JAPAN Model MODEL KM GEAR RATIO OIL SAE20 30HD OIL QTY LTR NO KANZAKI OSAKA JAPAN MADE IN JAPAN MODEL PA...

Page 12: ...101 Fuel stop power Output at crankshaft Engine speed kW hp min 1 1 55 2 75 1 3200 Output propeller shaft Engine speed kW hp min 1 1 53 0 72 1 3200 Installation Flexible mounting Fuel injection timing Plunger lift at Top Dead Center 1 26 0 01mm when W C S D is released Fuel injection opening pressure MPa 21 6 0 5 Main power take off At flywheel side Direction of rotation Crankshaft Counter clockwi...

Page 13: ...arting motor V kW DC 12V 1 4 kW Alternator V A 12V 80A 12V 60A optional Engine Dimension Overall length mm inch 923 36 3 903 35 6 933 36 7 1017 40 0 782 30 8 782 30 8 Overall width 616 24 3 Overall height 659 25 9 Flywheel major dimension mm inch D339 x 66 13 3 x 2 6 Engine dry mass include marine gear kg 235 237 238 237 249 engine 207 207 ...

Page 14: ... ratio Forward Reverse 2 15 2 64 2 70 2 64 1 47 1 47 2 14 2 14 2 63 2 63 2 04 2 04 2 45 2 45 1 93 1 93 2 48 2 48 2 32 Propeller speed Forward Reverse min 1 1444 1176 1150 1176 2115 2113 1451 1450 1180 1179 1520 1520 1263 1263 1607 1607 1250 1250 1337 Lubrication system Splash Centrifugal pump Trochoid pump Trochoid pump Oil bath Lube oil ATF API CD or higher SAE 20 or 30 ATF QuickSilver only Lube ...

Page 15: ...l filter 10 Dipstick 3 Shift lever 7 Fuel injection pump 11 Intake manifold 4 Marine gear KMH4A 8 Fuel filter 12 Oil filler cap 1 Engine name plate on the rocker arm cover 4 Seawater pump 7 Exhaust mixing elbow 2 Coolant filler cap 5 Alternator 8 Coolant tank Heat exchanger 3 Belt cover 6 Starter motor 12 11 9 10 8 7 6 5 4 3 2 1 008831 00X 1 2 8 5 7 6 4 3 008832 00X ...

Page 16: ...resh water coolant inside the engine The fresh water pump is driven by V belt Sea water pump Pumps seawater from outside vessel to the engine The seawater pump is gear driven and has a replaceable rubber impeller Filler cap fresh water coolant When the cooling water temperature rises the pressure inside the fresh water tank increases The pressure valve in the filler cap is open then hot water and ...

Page 17: ... engine and to monitor its condition during operation B type C type 1 Tachometer 4 Key switch 7 Water in sail drive seal alarm 2 Hour meter 5 Stop button 8 Lube oil low pressure alarm 3 Moisture cap for key switch 6 Battery low charge alarm 9 Coolant high temperature alarm 1 Coolant high temperature alarm 6 Hour meter 11 Water in sail drive seal alarm 2 Coolant temperature meter 7 Moisture cap for...

Page 18: ...release the key it will automatically turn to ON position JH4 series Air heater is an option Note When you don t use the engine please remove the key from the key switch and cover the keyhole with the cap to protect from corrosion Stop button switch Push button switch to stop the engine The electric current to the stop solenoid is turned on Instruments equipment Functions Tachometer The engine s r...

Page 19: ...s exceeding the maximum limit will result in dam age and seizure Check the load and the fresh water cooling system for any abnormalities Lube oil low pressure alarm When the lube oil pressure falls below normal the oil pressure sensor will register this and the lamp will come on and alarm will sound Continuing operation with insufficient oil pressure will result in damage and seizure Check the oil...

Page 20: ... If the handle is pulled out engine speed can be con trolled without engaging the clutch clutch remains in the NEUTRAL no load position When turning the knob clockwise the handle is fixed When loosening the knob the handle can be moved Yanmar recommends the use of a single lever type for the remote control system If only the two lever type is available in the market operate the engine at 1000 rpm ...

Page 21: ...g operation the temperature of various engine parts will increase and engine troubles may occur 2 1 008405 00X 008404 00E 1 Engine shut down by stop button 1 Stop button on the instrument panel 1 Stop 2 Stop lever Emergency Stop When you can t stop the engine by the stop button on the panel stop the engine by mov ing the stop lever attached on the fuel injec tion pump to the left by hand ...

Page 22: ...D No 2 D for USA EN590 96 for EU ISO 8217 DMX International BS 2869 A1 or A2 for UK JIS K2204 for JAPAN The following requirements also need to be fulfilled Cetane number should be equal to 45 or higher Sulphur content of the fuel It should not exceed 0 5 by volume Preferably it should be below 0 05 Water and sediment in the fuel oil should not exceed 0 05 by volume Ash should not exceed 0 01 by m...

Page 23: ... fuel at the bottom 3 Fuel Tank Optional Be sure to attach a drain cock to the fuel tank to enable dirt and water that settles at the bottom of the tank to be drained off The fuel outlet should be positioned 20 30mm 3 4 1 1 8 above the bottom of the tank so that only clean fuel is used 4 Fuel System Install the fuel pipe from the fuel tank to the fuel pump in accordance with the diagram The recomm...

Page 24: ...lube oil be careful not to allow dust and water to enter the lube oil Clean around the filler port before refilling 2 Do not mix lube oils of different types or brands Mixing may cause the chemical characteristics of the lube oil to change and lubricating performance to drop reducing the engine s life Before supplying lube oil to the engine and marine gear for the first time extract any lube oil r...

Page 25: ... maximum 3 Replace the cooling water periodically according to the maintenance schedule given in this opera tion manual 4 Remove the scale from the cooling water system periodically according to the instructions in this operation manual 5 Use the proper mixing ratio of antifreeze to fresh water strictly as instructed by the antifreeze maker If too much antifreeze is used the cooling performance of...

Page 26: ...f dirt and water 3 2 2 Supplying Engine Lube Oil 1 Remove the filler port cap yellow at the top of the rocker arm cover and fill with engine oil 2 Fill with oil to the upper limit on the dipstick Insert the dipstick fully to check the level 3 Tighten the filler port cap securely by hand Do not overfill Overfilling will cause oil to be sprayed out from breather and lead to engine problems Engine oi...

Page 27: ...fully to check the level 3 Tighten the filler port cap securely by hand Note Refer to the operation manual of the sail drive SD50 T for the procedure of supplying the sail drive lube oil Marine gear sail drive oil capacity full ZF30M 1 1 l 2 3 pints KM4A2 2 0 l 4 2 pints KMH4A 2 0 l 4 2 pints ZF25A 1 8 l 3 8 pints SD50 T 2 1 l 4 4 pints 1 2 3 4 KMH4A 008410 00X 1 Oil filler cap 3 Upper limit 2 Dip...

Page 28: ...ne gear ZF25A doesn t have a drain cock on the clutch cooler 3 Seawater pump doesn t have a drain cock When loosening side cover bolts of seawater pump seawater drains Model Drain cocks in fresh water line Drain cocks in seawater line 4JH4 TE 3 2 Clutch cooler 1 4 3 2 1 008790 00X 2 1 3 4 008791 00X 1 Coolant tank 3 Drain seawater from seawater pump cover 2 Fresh water pump 4 Drain cocks for fresh...

Page 29: ...To replace the cap align the tabs on the bottom of the cap with the notches on the filler port and turn clockwise 1 3 of a turn 5 Remove the coolant recovery tank cap and fill with coolant to the upper limit Full Replace cap Coolant recovery tank capacity 0 8 l 1 7 pints 6 Check the rubber hose connecting the coolant recovery tank to the fresh water cooler Be sure the hose is securely connected an...

Page 30: ...ch and insert key into key switch Turn the key to the ON position 5 Mechanical stop device Pull the stop lever on the governor to cut fuel con tinuously while cranking Note Don t use the stop button in this case 6 When the key switch is turned to the START posi tion the engine will begin cranking Continue cranking for about 5 seconds and check for abnor mal noise during that time If you remove you...

Page 31: ...cooling water levels will drop Check and resupply as necessary 1 Supplying engine Lube oil See 3 2 2 Approximately 10 minutes after stopping the engine remove the oil dipstick and check the oil level Add oil if the level is too low 2 Supplying marine gear lube oil See 3 2 3 3 Supplying cooling water See 3 2 4 Never open the cap of the coolant tank while the engine is still hot Steam and hot water ...

Page 32: ...entilators in the engine room Never touch or allow your clothes to touch the moving parts of the engine during operation If the front drive shaft V belt propeller shaft etc catches your body or clothes serious injury may result Check that no tools cloth etc are left on or around the engine The engine is very hot during operation and immediately after stopping especially the exhaust manifold and th...

Page 33: ...ap during operation or immediately after stopping the engine Hot steam and water will spout out To remove the cap wait until the engine has cooled down wrap the cap with a cloth and loosen the cap slowly After checking replace the cap and tighten firmly Check the fresh water level before operation while the engine is cold It is dangerous to check the water level while the engine is hot and the coo...

Page 34: ...othly before use If it is hard to operate lubri cate the joints of the remote control cable and also the lever bearings If the lever comes out or there is play in the lever adjust the remote control cable See 4 3 1 5 7 Check the Electric Devices When operating the key switch check that the alarm devices work normally See 2 5 1 8 Prepare Fuel Lube Oil and Cooling Fresh Water in Reserve Prepare suff...

Page 35: ...er sounds and alarm lamps come on the alarm devices are normal Note The coolant high temperature alarm lamp does not come on See 2 5 1 4 6 Turn the key switch to start the engine Release the key switch when the engine has started The alarm buzzer should stop and the alarm lamps go out Note When the engine has not been used for a long period of time check that the key can move from START position t...

Page 36: ... be air in the fuel system If air is in the fuel system fuel cannot reach the fuel injection pump Bleed the air in the system according to the following proce dures Fuel system air bleeding procedures 1 Check the fuel level in the fuel tank Replenish if Insufficient 2 Open the fuel cock of the fuel tank 3 Loosen the air bleeding bolt on the top of the fuel filter by turning it 2 3 times with a min...

Page 37: ...to send lube oil to all parts of the engine 5 Check that sufficient cooling water is discharged from the seawater outlet pipe Operation with inadequate seawater discharge will damage the impeller of the seawater pump If seawater discharge is too small stop the engine immediately Identify the cause and repair Is the seacock open Is the inlet strainer on the hull bottom clogged Is the seawater sucti...

Page 38: ... result in damage to marine gear parts and abnormal wear 1 Before using the marine gear be sure to move the throttle handle to a low idle position less than 1000 min 1 Move the throttle handle slowly to a higher speed position after completing clutch engagement 2 When changing the handle between FORWARD and REVERSE bring the clutch to NEUTRAL and pause before slowly shifting to the desired posi ti...

Page 39: ...ch 1 Operation continues at a low engine speed of 1000min 1 or less 2 Reduce the speed by moving the trawling handle from H high speed to L low speed Adjust the speed to the desired rate and secure the trawling handle in place 3 Before returning to normal operation be sure to put the trawling handle on H high speed position 4 Increase engine speed and continue normal oper ation 1 2 3 4 5 6 7 8 008...

Page 40: ...lamps and stop the engine for repairs 5 Is there water oil or gas leakage or are there any loose bolts Check the engine room periodically for any problems 6 Is there sufficient fuel oil in the fuel oil tank Replenish fuel oil in advance to avoid running out of fuel during operation 7 When operating the engine at low speed for long periods of time race the engine once every 2 hours Note Racing the ...

Page 41: ...t panel when the key is in the ON position Note Continue to push the stop button until the engine is completely stopped If you release the button before the engine has completely stopped it may restart 5 Turn the key switch to OFF after shutting down remove the key and place it in a safe place Note When you don t use the engine remove the key from the key switch and cover the keyhole with the cap ...

Page 42: ... 4JH4 TE Open the sea water drain cocks attached on the seawater pump cover and inter cooler for 4JH4 HTE Drain off the seawater inside If no liquid comes from the drain cock s it may be necessary to use a stiff wire to remove any debris to allow drainage 2 Loosen the 4 bolts fixing the side cover of the sea water pump remove the cover and drain the sea water from inside Retighten the bolts when f...

Page 43: ...or oil 5 To prevent condensation inside the fuel tank either drain off the fuel or fill the tank 6 Grease the exposed area and joints of the remote control cable and the bearings of the remote control handle 7 Cover the intake silencer exhaust pipe etc with vinyl sheets and seal them to prevent moisture from entering 8 Drain bilge in the hull bottom completely water may leak into the boat when it ...

Page 44: ...th periodic inspections and maintenance Consult your YAN MAR dealer or distributor in accordance with the service agreement Servicing Tools Prepare servicing tools onboard to be ready for inspecting and servicing the engine and other equipment Tightening Torque of Bolts Nuts Over tightening of bolts and nuts causes them to come off or their threads to be damaged Insufficient tighten ing causes oil...

Page 45: ...00 hours and thereafter require special knowledge and techniques Consult your Yanmar dealer or distributor For EPA requirements see also 5 4 and table on next page Whichever comes first Check Å Replace z Consult local dealer System Item Before starting Initial 50 hrs Every 50 hrs or monthly Every 250 hrs or 1 year Every 500 hrs or 2 years Every 1000 hrs or 4 years Fuel system Check the fuel level ...

Page 46: ...rm lamps devices Check the electrolyte level in the battery Adjust the tension of the alternator driving belt Å Check the wiring connectors Cylinder head etc Check for leakage of water and oil After starting Retighten all major nuts and bolts z Adjust intake exhaust valve clearance z z Remote control system etc Check adjust the remote control operation z Adjust the propeller shaft alignment z z Re...

Page 47: ...ttach the oil drain pump and pump out the oil For easier draining remove the oil filler cap yel low at the top of the rocker arm cover 2 Remove the lube oil filter with the filter detach attach tool Turn counterclockwise 3 Clean the filter installation face and attach the new filter tightening by hand until seal touches 4 Turn an additional 3 4 of a turn with the attach ment tool Turn clockwise Ti...

Page 48: ... O ring to the side cover and reattach the side cover Tighten the side cover bolts 3 Fill with new lube oil See 3 2 3 4 Perform a trial run and check for oil leakage 3 Draining the Optional Fuel Tank Put a pan under the drain to catch the fuel Open the drain cock and drain off any water or dirt collected Once the water and dirt have been drained off and the fuel coming out is clear close the drain...

Page 49: ...and L low speed respectively When there is deviation loosen the bracket for the remote control cable on the engine side and adjust Adjust the high speed stop position first and then adjust the low speed idling by the adjustment bolt on the remote control lever Never adjust the high speed stop bolt This will void warranty 2 Adjusting the clutch remote control cable Check to see that the control lev...

Page 50: ...ine over heating and sei zure will result When there is too much tension in the V belt the belt will become damaged more quickly and the bearing of the cooling water pump may be damaged When there is too much tension in the V belt the belt will become damaged more quickly and the bearing of the cooling water pump may be damaged 1 Check the tension of the V belt by pressing down on the middle of th...

Page 51: ...The flexible engine mounts are compressed a little in the initial engine operation and it may cause the cen tering misalignment between the engine the propel ler shaft This adjustment requires specialized knowledge and techniques Consult your Yanmar dealer or distribu tor ...

Page 52: ... is a heavy deposit drain the fuel tank at the same time 2 Checking Electrolyte Level in the Bat tery Before inspecting the electrical system be sure either to turn off the battery switch or to disconnect the terminal of the ground cable Otherwise a short circuit could cause a fire Ensure good ventilation when charging the battery The use of open flames is strictly prohibited Hydro gen gas may als...

Page 53: ...h a specific gravity of below 1 24 needs charging If the specific gravity cannot be raised by charging the battery must be replaced The capacities of the standard alternator and the rec ommended battery assume only the power neces sary for regular engine operation If the power is also used for onboard lighting or other purposes the generating and charging capacities may be insufficient In such cas...

Page 54: ...l the alarm switch to the new fuel filter Apply fuel oil to the gasket of the new fuel filter Lightly screw in the fuel filter in position and tighten it by hand until the gasket comes into contact with the seat After tightening by hand use the filter wrench to tighten it about 3 4 of a turn 7 Bleed the fuel system If you spill fuel wipe spillage carefully Start the engine to check for fuel leakag...

Page 55: ...nd the dis assembly and maintenance are necessary Impeller blades are cracked or nicked Edges or surfaces of the blades are marred or scratched Wear plate is damaged Removing the impeller There are two kinds of special service tool for remov ing impeller Puller A Standard 129671 92110 a Remove the side cover of seawater pump b Screw the puller A to the impeller c Turn the M10 bolt of the puller cl...

Page 56: ...nd must be reas sembled be very careful not to install it in the wrong direction Additionally if the engine is being turned manually be careful to turn it in the correct direction Incorrect turning will twist the impeller blades and damage it 6 Washing Turbocharger Blower When engine speed seems sluggish or the exhaust color poor the blades of the turbocharger blower may be dirty Wash the blower C...

Page 57: ...t with Yanmar distributor or dealer 10 Retightening All Major Nuts and Bolts When operating for long periods of time The major bolts and nuts may come loose It is dangerous to operate the engine in such condition Retightening is necessary This maintenance requires specialized knowledge Consult your Yanmar dealer or distributor 5 3 4 Inspection Every 500 Hrs 1 Cleaning Exhaust Water Mixing Elbow Re...

Page 58: ...nmar dealer or dis tributor The seawater pump turns counter clockwise as viewed from impeller cover side so the impeller must be installed as shown in the below figure If the impeller has been removed for any reason and must be reassem bled be very careful not to make a mistake and turn it in the wrong direction Additionally if the engine is being turned manually be careful to turn it in the corre...

Page 59: ...of the flexible engine mounts is lost after many hours use This leads to a drop in vibration absorption performance and also causes centering misalignment of the propeller shaft Be sure to replace the Yanmar flexible engine mounts every 1000 hours or 4 years whichever comes first This maintenance requires specialized knowledge Consult your Yanmar dealer or distributor 5 3 6 Annually 1 Replacing Fr...

Page 60: ...ttached to the top of the rocker arm cover REFER TO OWNER S MANUAL FOR MAINTENANCE SPECIFICATIONS AND ADJUSTMENTS STANDARDS THC NOx 7 5g kWh CO 5 0g kWh PM 0 40g kWh ENGINE MODEL 4JH4 TE ENGINE FAMILY 6YDXM2 00D4T MODEL YEAR 2006 THIS ENGINE COMPLIES TO U S EPA REGULATIONS 40 CFR PART 94 WHICH APPLY TO MARINE ENGINES MARINE ENGINE EMISSION CONTROL INFORMATION DISPLACEMENT PER CYLINDER 0 499 LITERS...

Page 61: ... and keep a record of the results Pay particular attention to these important points replacing the lubricating oil lubricating oil filter the fuel filter and cleaning the intake silencer filter element Note Inspections are divided into two sections in accordance with whom is in charge of carrying out the inspection the User and the Maker 5 4 3 Inspection and Maintenance Inspection and maintenance ...

Page 62: ...temperature high alarm warning lamp goes on Insufficient coolant in coolant tank Insufficient seawater causing tempera ture to rise Contamination inside cooling system Check coolant and replenish Check seawater system Ask for repairs 3 2 4 Faulty warning devices Do not operate the engine if alarm devices are not repaired Serious accidents may result if difficulties are not spotted due to faulty al...

Page 63: ...opeller matching Contaminated intake silencer Improper fuel Faulty spraying of fuel injector Incorrect intake exhaust valve clear ance Consult your dealer Consult your dealer Clean element Replace with recommended fuel Ask for repairs Ask for repairs White smoke Improper fuel Faulty spraying of fuel injector Fuel injection timing off Lube oil burns excessive consumption Ask for repairs Ask for rep...

Page 64: ...t water connection return 8 Cooling water pump Fresh water 9 Thermostat 10 Fresh water temperature switch 11 Hot water connection outlet 12 Cooling water pump Seawater 13 Fresh water cooler 14 Main bearing 15 Lube oil inlet filter 16 Mixing elbow 17 Turbo charger 18 Clutch lube oil cooler 19 Seawater inlet 20 Piston cooling oil jet 21 Fuel injection nozzle 22 Oil pressure sensor Option 23 Oil pres...

Page 65: ...7 SYSTEM DIAGRAMS 61 Piping diagram of 4JH4 TE with KMH4A ZF25A P A C D P B P T P 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 25 26 28 29 30 31 32 33 1 008430 00E ...

Page 66: ...62 7 SYSTEM DIAGRAMS Piping diagram of the 4JH4 TE with SD50 P A D P B P T P 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 34 20 21 22 23 25 26 28 29 30 31 32 33 1 008431 00E ...

Page 67: ...WF temperature 6 Sail drive seal 7 Charge 8 Fuse 3A 9 Stop switch 10 Diodes 11 Key switch 12 Tachometer hour meter 13 Instrument panel sub station Option 14 Instrument panel main station Option 15 Wire harness 16 Relay 17 Wire harness for sub panel 18 Amplifier only for sail drive 19 Procured by customer 20 Battery 21 Battery switch 22 Engine stop solenoid with VE pump 23 Air heater 24 Option 25 S...

Page 68: ...ection of cable Allowable length mm2 15 mm2 0 86 m 20 mm2 1 3 m 2 3 m 30 mm2 40 mm2 2 8 m 3 5 m 50 mm2 2W 2R 60 mm2 4 1 m G1 P G2 30 L L R O B YW WL YG LB R L L R O B YW WL YG LB G1 G2 30 17 AC W 17 AC W P 3W 3L 3R YW RB WL LB O WG B YG WB YB GB YR GR WR G Y G2 17 GLOW OFF ON START Key switch 30 AC G1 WBr WBr W Y 3R B 1 2 3 10 11 12 15 15 17 18 16 19 20 20 21 22 23 24 25 26 28 29 24 30 30 31 32 33...

Page 69: ...owable length mm2 15 mm2 0 86 m 20 mm2 1 3 m 2 3 m 30 mm2 40 mm2 2 8 m 3 5 m 50 mm2 2W 2R 60 mm2 4 1 m L L R O B YW WL YG LB G1 G2 30 17 AC W P 3W 3L 3R YW RB WL LB O WG B YG WB YB GB YR GR WR G Y G2 17 GLOW OFF ON START Key switch 30 AC G1 WBr W Y 3R B P WBr R L L R O WG G YG LB YB WB G1 G2 30 B WL YW 17 AC W WB YB GR B 1 2 3 10 11 12 15 15 17 18 38 16 19 20 20 21 22 23 24 25 26 28 29 24 30 30 31...

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