Yanmar 2GM20C Especificaciones

MARINE DIESEL ENGINE MODELS: 2GM20(F)M(C), 3GM30(F)M(C) EPA Certified Engine It meets the low emission standards set by the EPA OPERATION MANUAL Calif

2. Product explanation 2.2.2 Fresh Water Cooling Type, GMF series Eng1ne Model 2GM20F I 3GM30F -Type Vert1cal 4-cycle w 1------______ Swirl pre-c ate

2. Product explanation 2.2.3 Direct Seawater Cooling Type, GMV series nglne Model 2GM20 IE v ' -3GM30V ype Vert~eal4-,_T cycle water cooled di

r 2. Product explanation 2.2.4 Fresh Water Cooling Type, GMFV series ne Model Eng! Type Com Num Bore Disp bustion system ber of cylinders x stroke la

2. Product explanation 2.2.5 Direct Seawater Cooling Type, GMC series Combustion system Number of cylln~d:..:e~rs:..__ ___ _ Bore x stroke Dasptacem

2. Product explanation 2.2.6 Fresh Water Cooling Type, GMFC series el -2GM20FC 3GM30FC r cooled diesel engine bustlon chamber Vertical 4-cycle wale E

2. Product explanation 2.3 Names of Parts Non Operation Side Decompression lever Cooling water temperature sender Intake silencer Alternator -Lubrica

2. Product explanation 2.4 Major Servicing Parts Name of part Decompression lever Fuel filter Fuel feed pump, Priming lever Function xhaust valve and

2. Product explanation 2.5 Control Equipment The equipment in the control room, making remote control possible, consists of: the instrument p

2. Product explanation 2.5.2 Single Lever Remote Control Handle (Morse Type) -Optional. This remote control system uses a single handle to ope

Contents CONTENTS INTRODUCTION ... 3 1 FOR YOUR SAFETY ... .4 1 .1 Warnin

3. Operation 3.1 Fuel Oil, Lube Oil, and Cooling Water 3.1.1 Fuel Oil ,l •lfA '-'-" When other than the specified fuel oil is used, t

3. Operation 3.1.2 Lube Oil Using other than the specified lube oil will lead to seizure of parts, abnormal wear, and shorten engine life. (1) Selecti

I 3. Operation Handling of Cooling Water 1. Choose antirust which will not have any adverse effects on the materials (cast iron, aluminum, copper

3. Operation I <D Filler port ® Bonnet ® Dipstick @ Upper limit @ Lower limit 3.2.3 Supply Clutc h Lube Oil 1 . Remove the filler port cap at the

3. Operation 3. Pour cooling water slowly into the fresh water tank so that air bubbles do not develop. Supply until the water over-flows from

3. Operation <D (j) Decomp. lever @ Drive -Electric Operation ® Decomp. lever @ Compression Manual start position 4. Turn on battery switch and

3. Operation 3.3.1 Inspection Before Starting Before starting the engine, make it a daily rule to conduct the following inspections: (1) Visual Chec

3. Operation If the cooling fresh water runs out too often, or only the cooling fresh water in the fresh water tank drops without any change in the wa

3. Operation Manual Operation (Seawater Cooling Only) 1. Open the Kingston cock. 2. Open the fuel tank cock. 3. Set the remote control lever i

3. Operation Fuel System Air Venting Procedures 1. Check the fuel level in the fuel tank. Replenish if insufficient. 2. Loosen the air vent

Introduction Thank you for purchasing a YANMAR Marine Diesel Engine. This Operation Manual describes the operation. maintenance and inspection

3. Operation Use the clutch handle to change from FORWARD to NEUTRAL (boat stopped) to REVERSE. Shifting the clutch while operating at high sp

3. Operation Electric Operation Never turn off the battery switch or spark the battery cable during operation. Damage to parts in the electric system

3. Operation Note: The engine may be stopped by pulling out the decompression lever, but avoid doing so except in times of emergency. In this

3. Operation 1.-Cooling water drain cocks 1. Open the water drain cocks (3 positions as illustrated) and drain the cooling water from inside. 2.

4. Maintenance & Inspection 4.1 General Inspection Rules Conduct Periodic Inspection for Your Safety. The functions of engine components will d

4. Maintenance & Inspection 4.2 List of Periodic Inspection Items Daily and periodic Inspections are important to keep the engine in its

4. Maintenance & Inspection System I tern heck the fuel level, and refill c 1-0 rain the fuel tank rain the fuel filter Fuel system· 0 Lubricatin

4. Maintenance & Inspection 4.3 Periodic Inspection Items 4.3.1 Inspection on Initial 50 Hrs. of Operation (or after 1 Month) (1) Replacing the E

4. Maintenance & Inspection {3) Adjusting the Remote Control Cable The various control levers on the engine side are connected to the rem

4. Maintenance & Inspection 4.3.3 Inspection Every 150 hours. Replace the engine oil and the clutch lube Oil. After the second oil change, the eng

1. For your safety 1.1 WARNING SYMBOLS Most operation, maintenance and inspection problems arise due to users' failure to comply with the

4. Maintenance & Inspection (4) Inspecting and Replacing Anticorrosion Zinc The timing for replacing anticorrosion zinc varies depending on the

4. Maintenance & Inspection reassembled, be very careful not to make a mistake and turn it in the wrong direction. Additionally, if the engine is

I 4. Maintenance & Inspection b) 3GM30 (F) series This engine has the following EPA Certi-fication Plate attached: • EPA Certification Plate • A

4. Maintenance & Inspection 4.4.2 Conditions to Insure Compliance with Emission Standards This product is an EPA approved engine. The follow

4. Maintenance & Inspection 4.4.3 Inspection and Maintenance Inspection and maintenance for EPA related parts are shown in the chart below. (Inspe

5. Trouble and Troubleshooting Trouble Probable Cause Measure Reference Alarm Buzzer and Alarm "l• ffil r -l.':l Lamps On During Shift to lo

I 5. Trouble and Troubleshooting Trouble Probable Cause Measure Starting Failures Starter turns, but engine No fuel. Replenish fuel; vent air does n

5. Trouble and Troubleshooting WARRANTY SERVICE Owner Satisfaction Your satisfaction and goodwill are important to us and to your dealer. Normally

I 6. Piping diagrams (See appendix A at the back of this book) NOTATION Fuel oil pipe - ·-Lubricating oil pipe -··-Cooling water pipe -:111:11 • 1111

6. Piping diagrams 1 0 Fuel filter 11 Kingston 12 Seawater 13 C.W. (fresh water) pump 1 4 C. W. (seawater) pump 15 Thermostat 16 Fuel mjection pump 17

1. For your safety A DANGER A DANGER A WARNING A CAUTION I I Battery Never smoke or permit sparks near the battery, because it may emit explosive

7. Wiring diagrams (See appendix B at the back of this book) Colour coding R Red B Black w White y Yellow L Blue G Green 0 Orange Lg Light green Lb

APPENDIX A 11-1 2GM20 ""' ' I ' I . \ e e 'I ® c ) "' ~I~ X , 0 . ~ 020 x 13.5 RH 'y . ...-... r---

I APPENDIX A Piping diagrams 11-2 3GM30 A-2 I ~ 8 ® c ) :c a: "l ' I (') . ' -X 0 N <T @) 920 >< 13.5 RH Y ~ , .. -~··-c

APPENDIX A 11-3 2GM20F ----f=.l: J; > ;r " - \ ~"" ~~-=--=--~·v_... I'. _I ii ~ J: / ... v. =:: t-~ :: II II It lo II 1,, 1:

APPENDIX A 11-4 3GM30F ® I[ !'---~) .~ lo ,, II I : I II II ,, 1·--~ r-""'P I, lo I i II ,, II II II l-.J•---. r-.,r---v II II II

APPENDIX A 11-5 2GM20V ® ® I I I I ® @) I I """' ~.76 X 10.7 STP-o I \ e.--~---o~1~3~x~acR~H--~ '------------, .___ -----

I APPENDIX A Piping diagrams 11-6 3GM30V @ c I ) :I: a: , .~ X 0 ~ • ,.------+----!--- -"1..---{'i ~ ,----- - - 1- " >---1_; f ---

APPENDIX A Piping diagrams 11-7 2GM20FV \ I \.----@ ® -@) Ill @ "' I -®® X ~ \""" o24 X 13.5 RH !le 0 -l.r '\ ~---- --\

APPENDIX A Piping diagrams 11-8 3GM30FV c ) >----@1---® ® ® ® ®"' ® ~\ ?""' ® @) X -\ •tl; -=f: :r ""'\&

APPENDIX A 11-9 2GM20FC a.. I I I I I ,. I +'I II IL _ :> tr-I I II ® I I I I II -;r=~~ I I " I I I II e I L-.=~ ll. ... (/) -... ci X J

1. For your safety A WARNING A DANGER A WARNING A WARNING -• • _1 \.. 7 ~'t A CAUTION A DANGER A DANGER 6 Alcohol Never operate the engine w

APPENDIX A 11-10 2GM20C @ r----r---• II I I II _ __,._ 1 r.., II II @ o.. 'I t; It ;:: -~,= ~ 0 It I I I II I © j620 x 3.5t RH -c r ;) X I 0

APPENDIX A 11-12 3GM30C (0... A-12 ;4,76 x 071 STP ; l3 "31 RH ~ .., -Piping diagrams z: a: @ @ lt-... ~ t 0 ... , ... , ® ¢: . ,. X a:

APPENDIX B Wiring diagrams 12-1 For the A-type instrument panel ·--' I --------I@ I I ,---· -·'h 1 I o ' I ' I> '-r·l

APPENDIX B 12-2 For the B-type instrument panel Ji® ,.-----------I r-------I I 8 I I Ell~~ ~ -T] I 1 @ I ' -·1 ' ' I· ~ + yj---~ ~ &a

CAUTION: Overcranking engine with water lift muffler can cause damage I

1. For your safety SAFETY PRECAUTIONS FOR INSPECTION 1.3 WARNING LABELS To insure safe operation, warning device labels have been attached. Their loc

2. Product explanation 2.1 USE, DRIVING SYSTEM, ETC. The engine is equipped with marine gear, connect the marine gear output shaft to the propeller

• 2. Product explanation 2.2 Engine Specifications 2.2.1 Direct Seawater Cooling Type, GM series I Engine Model ____ _ ~ -----2GM20 Vert•cal4·cycle