Parsun T20BM Owner'S Manual Download Page 6

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3. Maintenance

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3.1 Greasing

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3.2 Cleaning and adjusting spark plug

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3.3 Checking fuel system

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3.3.1 Cleaning the fuel filter

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3.4 Inspecting idling speed

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3.5 Checking wiring and connectors

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3.6 Checking for leakage

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3.7 Checking propeller

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3.7.1 Removing the propeller

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3.7.2 Installing the propeller

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3.8 Changing gear oil

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3.9 Cleaning fuel tank

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3.10 Checking and replacing anode(s)

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3.11 Checking top cowling

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3.12

Maintenance table

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4. Transporting and storing outboard motor

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4.1 Transporting

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4.2 Storing

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5. Action in emergency

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5.1 Impact damage

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5.2 Starter will not operate

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5.3 Treatment of submerged motor

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6. Troubleshooting

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7. Circuit diagram

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Summary of Contents for T20BM

Page 1: ...OUTBOARD MOTOR OWNER S MANUAL T40 30BM T40 30BW T40 30FW SUZHOU PARSUN POWER MACHINE CO LTD...

Page 2: ...nance and care This will ensure that your outboard motor is operated well under various conditions PARSUN seeks continuous improvement in product quality Therefore while this manual contains the most...

Page 3: ...e found on the bracket left assembly or on the upper part of the bracket swivel Record your outboard motor serial number in the spaces provided to assist you in ordering spare parts from your Parsun d...

Page 4: ...Engine serial number The engine serial number is carved on the aluminum casting of engine Serial number as follows...

Page 5: ...2 Clamping the outboard motor 10 2 2 Breaking in engine 11 2 3 Pre operation checks 12 2 4 Filling fuel 13 2 5 Starting engine 14 2 6 Warming up engine 22 2 7 Shifting 22 2 7 1 Forward 23 2 7 2 Revers...

Page 6: ...er 40 3 7 1 Removing the propeller 42 3 7 2 Installing the propeller 42 3 8 Changing gear oil 43 3 9 Cleaning fuel tank 44 3 10 Checking and replacing anode s 45 3 11 Checking top cowling 46 3 12 Main...

Page 7: ...iction adjuster 15 Throttle friction adjuster 3 Anode 10 Tiller handle 16 Clamp screw 4 Anti cavitation plate 11 Manual starter handle 17 Tilt lock lever 5 Propeller 12 Gear shift lever 18 Fuel tank 6...

Page 8: ...as supply of fuel for its running and must not be as a fuel storage container Remote control The remote control lever actuates both the shifter and the throttle The electrical switches are mounted on...

Page 9: ...erse R 4 Shift 5 Fully closed 6 Throttle 7 Fully open Neutral interlock trigger To shift out of neutral first pull the neutral interlock trigger up 1 Neutral interlock trigger Neutral throttle lever T...

Page 10: ...troke 80mm 70mm Transom L BM W 553mm Gear ratio 2 00 26 13 Recommended fuel Unleaded regular gasoline Overall length BM W 1106mm 645mm Recommended engine oil 2 stroke engine oil Overall width BM W 408...

Page 11: ...soline or premium unleaded fuel If eaded gasoline is usually used engine valves and related parts should be inspected after every 100 hours of operation WARNING Do not smoke when refueling and keep aw...

Page 12: ...mixing Break in period 25 1 Gasoline 1L 12L 14L 24L Engine oil 0 04L 0 48L 0 56L 0 96L After break in 50 1 Gasoline 1L 12L 14L 24L Engine oil 0 02L 0 24L 0 28L 0 48L CAUTION Be sure to mix gasoline a...

Page 13: ...propeller on your outboard that is best suited to your application For a greater boat load and a low engine speed a smaller pitch propeller is more suitable Conversely a large pitch propeller is more...

Page 14: ...rest with its maximum load Check that the static water level on the exhaust housing is low enough to prevent water entry into the power head when water rises due to waves when the outboard is not run...

Page 15: ...your motor The information presented in this section is intended as reference only Proper mounting depends in part on experience and the specific boat and motor combination 2 1 1 Mounting height The m...

Page 16: ...amp screws for tightness during operation of the outboard motor because they could become loose due to engine vibration CAUTION Outboards that use clamp bracket screws alone are INSUFFICIENT to proper...

Page 17: ...the clamp bracket to the transom using the appropriate bolts For details consult your PARSUN dealer WARNING Avoid using bolts nuts or washers inappropriate After tightening test running the engine and...

Page 18: ...ately three quarter throttle 4 Next 7 hours of operation Avoid continuous operation at full throttle for more than five minutes at a time 5 Operate the engine normally 2 3 Pre operation checks Fuel Ch...

Page 19: ...mounting Look for loose or damaged fasteners Check the propeller for damage WARNING If any item in the pre operation check is not working properly have it inspected and repaired before operating the o...

Page 20: ...spilled fuel 2 5 Starting engine For T40 30BM 1 Loosen the air vent screw on the fuel tank cap 2 or 3 turns 2 Connect fuel joints securely and squeeze the primer pump with the outlet end up until you...

Page 21: ...f engine power means the loss of steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward NOTE The start in gear prot...

Page 22: ...rt position while the engine is running the engine will run poorly or stall 6 Pull the manual starter handle slowly until you feel resistance Then give a strong pull straight to crank and start the en...

Page 23: ...gain For T40 30BW 1 Loosen the air vent screw on the fuel tank cap 2 or 3 turns 2 Connect fuel joints securely and squeeze the primer pump with the outlet end up until you feel it become firm if equip...

Page 24: ...ice prevents the engine from starting except when in neutral Attach the engine stop switch lanyard to secure place on your clothing or your arm or leg Then install the lock plate on the other end of t...

Page 25: ...than 5 seconds the battery will be quickly discharged thus making it impossible to start the engine The starter can also be damaged If the engine will not start after 5 seconds of cranking return the...

Page 26: ...r means the loss of steering control Also without engine power the boat could slow rapidly This could cause people and objects in the boat to be thrown forward 3 Turn the main switch to ON on 4 Open t...

Page 27: ...ART start and hold it for a maximum or 5 seconds 7 Immediately after the engine starts release the main switch and allow it to return to ON on CAUTION Never turn the main switch to START start while t...

Page 28: ...arms up 2 Check for steady flow of water from the cooling water pilot hole CAUTION If water is not flowing out of the hole at all times while the engine is running stop the engine and check whether th...

Page 29: ...ne idles or runs at low speeds 2 7 1 Forward 1 Place the throttle grip in the fully closed position 2 Move gear shift lever quickly and firmly from neutral to forward For T40 30FW Pull up the neutral...

Page 30: ...half Otherwise the boat could become unstable which could result in loss of control and an accident 1 Place the throttle trip in the fully closed position 2 Move the gear shift lever quickly and firml...

Page 31: ...rlock rigger and move the remote control lever quickly and firmly from neutral to reverse 2 8 Tiller 1 Change direction To change direction move the tiller handle to the left or right as necessary 2 C...

Page 32: ...rottle friction adjuster is on the tiller handle which provides adjustable resistance to movement of the throttle grip and can be set according to operator preference To increase resistance turn the a...

Page 33: ...PROCEDURE 1 Push and hold the engine stop button until the engine comes to a complete stop NOTE If the outboard motor is equipped with an engine stop switch lanyard the engine can also be stopped by p...

Page 34: ...For T40 30FW 1 Turn the main switch to OFF off 2 Tighten the air vent screw on the fuel tank cap 3 Disconnect the fuel line 28...

Page 35: ...oid being pinched when removing or installing the rod Use caution when trying a trim position for the first time Increase speed gradually and watch for any signs of instability or control problems Imp...

Page 36: ...NOTE Do not tilt up the engine by pushing the tiller handle because this could break the handle The outboard motor cannot be tilted when in reverse 2 11 1 Tilting up 1 Place the gear shift lever in n...

Page 37: ...t screw Disconnect the fuel joint from the outboard motor 4 Place the tilt lock lever if equipped in the up position 5 Hold the rear handle and tilt the engine up fully until the tilt support lever au...

Page 38: ...For T40 30FW 1 Place the remoter control lever in neutral if equipped 2 Disconnect the fuel line from the outboard motor 3 Place the tilt lock lever if equipped in the up position 32...

Page 39: ...and tilt the engine up fully until the tilt support lever automatically locks 2 11 2 Tilting down 1 Slightly tilt the outboard motor up 2 Slowly tilt the outboard motor down while pulling the tilt su...

Page 40: ...ace the tilt lock lever in the lock position 2 Slightly tilt the engine up until the tilt support bar is automatically released 3 Slightly tilt the engine up until the tilt support bar is automaticall...

Page 41: ...er water CAUTION The cooling water inlet on the lower unit should be not above the surface of the water when setting up for and cruising in shallow water Otherwise severe damage from overheating can r...

Page 42: ...gine when you perform maintenance unless otherwise specified If you or the owner is not familiar with machine servicing this work should be done by your PARSUN dealer or other qualified mechanic CAUTI...

Page 43: ...ss gauge adjust the gap to specification if necessary 0 6 0 7mm When fitting the plug always clean the gasket surface and use a new gasket Wipe off any dirt from the threads and screw in the spark plu...

Page 44: ...nscrew the filter cup catching any spilled fuel in a rag 3 Remove the filter element and wash it in solvent Allow it to dry Inspect the filter element and O ring of the filter cup to make sure they ar...

Page 45: ...depending on whether testing is conducted with the flushing attachment in a test tank or with the outboard motor in the water 1 Start the engine and allow it to warm up fully in neutral until it is r...

Page 46: ...il leaks on the around the engine CAUTION If any leaks are found consult your PARSUN dealer 3 7 Checking propeller WARNING Before inspecting removing or installing the propeller always take actions to...

Page 47: ...propeller to prevent the propeller from turning 1 Check each of the propeller blades for wear erosion from cavitation or ventilation or other damage 2 Check the propeller shaft for damage 3 Check the...

Page 48: ...nstalling the propeller CAUTION Be sure to install the thrust washer before instating the propeller otherwise the lower case and propeller boss could be damaged Be sure to use a new cotter pin and ben...

Page 49: ...the lower unit while the outboard motor is tilted even when the tilt support lever or knob is locked Serious injury could occur if the motor falls 1 Tilt the outboard motor so that the gear oil drain...

Page 50: ...gins to flow out of the oil level plug hole insert and tighten the oil level plug If necessary change the seal spacer 7 Insert and tighten the gear oil drain screw If necessary change the seal spacer...

Page 51: ...stall the fuel joint assembly and tighten the screws firmly 3 10 Checking and replacing anode s Inspect the external anodes periodically Remove scales from the surfaces of the anodes Consult a PARSUN...

Page 52: ...3 11 Checking top cowling Check the fitting of the top cowling by pushing it with both hands If it is loose have it repaired by your PARSUN dealer 46...

Page 53: ...s The symbol indicates the check ups which you may carry out by yourself The symbol indicates work to be carried out by your Parsun dealer Item Operations Initial Every 10 hours 1 month 50 hours 3 mon...

Page 54: ...tment Propeller and cotter pin Check replacement Shift link shift cable Check adjustment Thermostat Check Throttle link throttle cable throttle pick up timing Check adjustment Water pump Check Spark p...

Page 55: ...vice CAUTION Do not use the tilt support lever or knob when trailing the boat The outboard motor could shake loose from the tilt support and fall WARNING Never get under the lower unit while it is til...

Page 56: ...owner with a minimum of tools can perform the following procedures CAUTION Do not place the outboard motor on its side before the cooling water has drained from it completely Store the outboard motor...

Page 57: ...tarting or during the operation Keep hands hair and clothes away from the flywheel and other rotating parts while the engine is running 7 Run the engine at a fast idle for a few minutes in neutral pos...

Page 58: ...11 Drain the fuel from the fuel tank completely CAUTION Portable fuel tank equipped models Store the portable fuel tank in a dry well ventilated place not in direct sunlight 52...

Page 59: ...se this procedure only in an emergency and only to return to port for repairs When the emergency starter rope is used to start the engine the start in gear protection device does not operate Make sure...

Page 60: ...ar protection cable 3 Remove the starter cover after removing the three bolts 4 Prepare the engine for starting For further information see section 2 5 5 Insert the knotted end of the emergency starte...

Page 61: ...ately take it to a PARSUN dealer Otherwise some corrosion may begin almost immediately 1 Thoroughly wash away contaminants with fresh water 2 Remove the spark plug s then face the spark plug hole down...

Page 62: ...5 Take the outboard motor to a PARSUN dealer as soon as possible CAUTION Do not attempt to run the outboard motor until it has been completely inspected 56...

Page 63: ...ave serviced by your dealer Spark plug s fouled or of incorrect type Inspect spark plug s Clean or replace with recommended type Spark plug cap s fitted incorrectly Check and re fit cap s Ignition wir...

Page 64: ...Tighten all loose connections Replace worn or broken wires Specified engine oil is not being used Check and replace oil as specified Thermostat is faulty or clogged Have serviced by your dealer Carbur...

Page 65: ...nded type Fuel system is obstructed Check for pinched or kinked fuel line or other obstructions in fuel system Fuel filter is clogged Clean or replace with recommended type Fuel is contaminated or sta...

Page 66: ...replace spark plug s as specified Engine vibrates excessively Propeller is damaged Repair or replace propeller Propeller shaft is damaged Have serviced by your dealer Weeds or other foreign matter are...

Page 67: ...hite black red white blue brown W B R W L Br Spark plugs Ignition coil Engine stop switch Pulser coil Charge coil 7 6 5 4 3 Thermo switch Ignition control module CDI 2 1 DESCRIPTION SN 3 B B R W Br B...

Page 68: ...PTION 1 2 Ignition control module CDI Thermo switch 3 4 5 6 7 Charge coil Pulser coil Engine stop switch Ignition coil Spark plugs DESCRIPTION SN 8 9 10 11 12 13 14 Lighting coil Rectifier Fuse holder...

Page 69: ...Engine stop switch 4 3 2 1 Switch Ignition 4 3 2 1 DESCRIPTION SN Br G L Y R Y R R W B W brown green blue yellow red yellow red red white black white Buzzer Br Br W R G P B L Br G R P L B W B W R L Y...

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Parsun T20BM, Owner'S Manual

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