6.2.1 When the boat is in the water 22 6.2.2 When the boat is out of the water 6.3 Anticorrosive zinc ......29 6.3.1 SD20 and SD50/ SD50-4T ..29 6.4 Rubber diaphragms (A) and (B) (SD20 and SD50/-4T) 29 6.5 When the boat hull is raised onto a...
Introduction This Installation and Operation Manual describes Sail-Drive Models SD20, SD50, SD50-4T. For engine handling and operation, refer to the respective operation manuals for Engine Models 1GM10C, 2YM15, 3YM20, 3YM30, 3JH4E, 4JH4E and 4JH3-TCE. However, in- structions for the marine gear box are not necessary as they are included.
1. For Your Safety 1. For Your Safety 1.1 Safety Precautions For Inspection Battery DANGER Never smoke or permit sparks near the battery, because it may emit ex- plosive hydrogen gas. Place the battery in a well-ventilated place. Fuel DANGER Use only diesel fuel.
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1. For Your Safety Burns CAUTION The whole engine is hot during operation and immediately after shut-down. The exhaust manifold, exhaust pipe and high pressure fuel lines are very hot. Never touch these parts with your body or clothing. Alcohol WARNING Never operate the engine while you are under the influence of alcohol.
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1. For Your Safety Forbidden Modifications. DANGER Never release the limiting devices such as the engine speed limit, fuel injection limit, etc. Modification will impair the safety and performance of the product and shorten product life. Also note that any troubles arising from modification are not covered by our warranty.
2. Specifications 2. Specifications Model SD20 SD50 SD50-4T Reduction gear system Constant mesh gear with Cone clutch dog clutch use Direction of Input shaft Counter-clockwise viewed from stern rotation Propeller shaft Counter-clockwise viewed Counter-clockwise or clockwise viewed from from stern...
API service, and SAE No. 90 or API service, and SAE no. 10W30. 80W90. (Applicable model: SD20 x 1GM10C) (Except model SD20 x 1GM10C and SD50/-4T) For SD20 (except if coupled with the 1GM10C) and SD50/-4T Supplier Brand Name API Service SAE No. SHELL...
3. Selecting Lubricating Oil This High Performance Gear Lube is avail- able in the following sizes: Volume Part number Package 300 ml 92-802851Q1 case of 24 tubes 92-802854Q1 case of 12 plastic bottles 10 L 92-802856Q1 case of 2 cans 60.5 L 92-802857Q1 single drum...
4. Starting the New Sail-Drive for the First Time 4. Starting the New Sail-Drive for the First Time 4.1 Filling with lubricating oil 4.1.1 SD20 and SD50/-4T (1) Remove the dipstick (yellow cap) Sail-Drive Model:SD20 & SD50/-4T and supply approved lube oil.
4. Starting the New Sail-Drive for the First Time 4.2 Check of instrument panel alarm system: Turn on the battery switch. Then the key in the "ON" position and check the lamps on the panel (with the engine off). (A-type) (B-Type) 1 Rubber seal (Sail-Drive) 4 LO press...
Serial No. 0001-2128 for SD10 New type : Serial No. 2129 and after for SD20 003447-00E New type: Serial No. 2129 and after for SD20 Old type: Serial No. 0001-2128 for SD10 A Control handle L Ahead stopper B Astern...
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4. Starting the New Sail-Drive for the First Time 4.3.0.2 SD50 & SD50-4T After starting the engine, check the shift action by using the control head to shift the Ahead and Astern positions. The Ahead/ Astern clutch is a mechanical clutch called a cone clutch.
Locking Procedure for Fixed Propeller Nut CAUTION (Optional). When tightening the nut at 60-70 Nm torque for the SD20, and 80-100 Rubber bushing (Folding propeller) Nm torque for the SD50/-4T, move the For the sail-drive, be sure to use the...
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4. Starting the New Sail-Drive for the First Time al navigation, there is an increase Note: The propeller shaft output becomes 95% of the engine rated output (continuous in resistance due to the waves, rating at crankshaft) in consideration of me- wind and fouling of the hull and, chanical efficiency 95% of the sail-drive.
Serial No.0001-2128 for Model SD20 boat. The cooling water passes through the Sail-Drive case, cools the engine by New type: the cooling water pump, and is then dis- Serial No.2129 and after for Model SD20 charged. 5.1.1 SD20 003442-00E A Atern D Neutral G To C.W.
5. Method of Operation 5.1.2 SD50/SD50-4T 003450-00E A Open C Cock C.W. E Neutral B To C.W. pump D Propeller shaft Clockwise F Propeller shaft Counter-clockwise...
Every 100 hrs. Every 1 year Every 2 years 1 month hrs. Lubricating Oil Before opera- Check oil level: fill tion First SD20 SD50/-4T Change lube oil Cooling Water Before/after Open/close cooling wa- operation ter cock Clean cooling water suc- tion hole...
6. Periodic Inspections and Maintenance 6.1 Lubricating oil system 6.1.1 SD20 (1) Check the oil level before every op- forcefully if the drain plug is removed eration. from the drive unit immediately after operation. (2) Change the oil after the first 50...
6. Periodic Inspections and Maintenance 6.1.2 SD50/-4T (1) Check the oil level before every op- SD50/SD50-4T eration. (2) Change the oil after the first 50 hours of operation or after long storage, and every 250 hours of op- eration thereafter. Lube oil should be changed while the engine is still warm.
Thread std. M10 x 1.5 max. length 12 O-ring for adapter 24311-000100 1 (2) Stiff rubber hoses Inner diameter ø14-16 mm + hose clips (If Yanmar part is used, part code is 196440-92970) Compressor set Hand pump 28210-000080 Option parts...
Hose must be from main system or 12 V portable long enough to drain to bucket or compressor. pump. (If Yanmar original rubber hose is used, part code is 1. Connect hose at top adapter joint to 196440-92970) compressed air and within 10 to 15 minutes almost all oil will be blown out.
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(p/#:196440-92970) are avail- (2) Connect the hand pump or foot able from Yanmar, and are optional parts pump with the pressure line to the for SD50/-4T. Or any type of hand pump or adapter joint on the top as shown rubber hose (Inner diameter ø14-16 mm)
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6. Periodic Inspections and Maintenance 003455-00E A Plug 6.2.1.5 Filling oil (total quantity 2.2 (2) Screw the pump on a new bottle of Quicksilver High Performance Gear liter) Lube Part number 92-850743A1 (0.946 liter) from MerCruiser. The following methods of filling with lube oil are in addition to the way mentioned in (3) Connect the hose with a hose clip page 10.
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The hand pump (p/#: 28210-000080) and rub- ber hose (p/#: 196440-92970) are available from Yanmar, and are op- tional parts for SD50/-4T. Or any type of hand pump or rubber hose (Inner diameter ø14-16 mm) avail- able from the hardware shop, are usable.
6. Periodic Inspections and Maintenance 6.2.2 When the boat is out of the (4) Take out the dipstick and oil inlet plug from the upper case cover. water 6.2.2.2 Removing oil (total quantity 6.2.2.1 Preparing the sail-drive: 2.2 liter) 6.2.2.3 By draining First follow steps (1), (2), (3), (4) on page Oil drain is possible from this point but will take much time.
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6. Periodic Inspections and Maintenance 6.2.2.5 Filling oil (total quantity 2.2 (1) Use a MerCruiser pump with Part number 91-85729A1 like the one liter) shown on p. 24, 6.2.1.4, or use a similar pump available on the mar- 6.2.2.6 By using MerCruiser pump ket.
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The hand pump (p/#: 28210-000080) and rubber hose (p/#:196440-92970) are avail- able from Yanmar, and are optional parts for SD50/-4T. Or any type of hand pump or rubber hose (Inner diameter ø14-16 mm) available from the hardware shop, are us- able.
Zinc) while the boat is in the block. water. 6.4 Rubber diaphragms (A) and (B) (SD20 and SD50/-4T) The rubber diaphragms (A) and (B) of the every two years. (Boat hull must be lifted Sail-Drive are important parts for the hull onto a block).
6. Periodic Inspections and Maintenance SD50/-4T (3) Inspecting anticorrosive zinc Since anticorrosive zinc can not be in- spected except when the boat hull is raised onto a block, be sure not to for- get to inspect it. (4) Inspecting the folding propeller Inspect whether or not the blade of the folding propeller opens smoothly.
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7. Electrical Wiring Diagrams 7. Electrical Wiring Diagrams See Appendix B. at the back of this manual. Color coding A-type Instrument Panel B-type Instrument Panel Applicable Engine Model: 1GM10C Applicable Engine Model: 1GM10C Battery Recommended capacity Battery Recommended capacity Black GM,12V-70AH GM,12V-70AH White...
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7. Electrical Wiring Diagrams B x B-type Instrument Panel C x B-type Instrument Panel Applicable Engine Model: 4JH3-TCE Applicable Engine Model: 4JH3-TCE Procured by customer Procured by customer Battery Battery Battery switch Battery switch Relay Relay Eng. stop solenoid Eng. stop solenoid Air heater Air heater Starter relay...
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