LEHR 15 HP 4-STROKE User Manual

OPERATOR’S MANUAL
PROPANE POWERED
OUTBOARD MARINE ENGINE
15 HP
MODELS:
CAUTION: BEFORE OPERATING THIS PRODUCT, READ AND FOLLOW ALL SAFETY RULES AND OPERATING INSTRUCTIONS.
TABLE OF CONTENTS
Important Manual Information....................................................1
General Information.........................................................................2
Installation............................................................................................7
Operation..............................................................................................8
Maintenance......................................................................................13
Troubleshooting...............................................................................21
Warranty..............................................................................................25
LP15 S LP15 L LP15 ES LP15 EL LP15 ES IB LP15 EL IB LP15 ERS LP15 ERL
FOR SERVICE
Call 1-866-941-LEHR (5347)
WARNING:
THIS PRODUCT CONTAINS CHEMICALS KNOWN TO THE STATE OF CALIFORNIA TO CAUSE CANCER, BIRTH DEFECTS OR OTHER REPRODUCTIVE HARM.
LEHR | ALL RIGHTS RESERVED 2010-2011
LEHR | ALL RIGHTS RESERVED
UNDERSTANDING PROPANE
SAFETY WARNINGS FOR PROPANE UNITS
NOTE: Use propane only in tanks specifically designed and approved for this unit. Propane is a combustible gas, it is colorless and thus invisible to the naked eye. Propane has a harmless odorant added so that it is possible to smell it. The user should be familiar with the smell of propane (smells like sulfur or rotten eggs). If at any time the smell of propane is identified, turn o the engine. If the leak persists, remove the propane tank. Never attempt to operate a unit that has a suspected leak. Always remove the propane tank from any unit that has a suspected leak.
Leakage of liquid propane can cause serious frostbite damage to skin. If you see liquid propane leaking, do not attempt to touch the area. Turn o the valve on the tank and let the leak dissipate.
CARBON MONOXIDE HAZARD
Burning propane makes Carbon Monoxide (CO). CO is invisible, has no smell and can kill you. Operating your outboard engine in an enclosed area can be dangerous.
1. Use only in well ventilated areas. If you experience headache, drowsiness, or nausea, turn unit o and get fresh air quickly.
2. Never use where people are sleeping.
3. Follow unit instructions for proper use.
HANDLING & STORAGE OF PROPANE TANKS
1. Keep out of reach of children.
2. Never expose to heat, sparks, or flame.
3. Never store in direct sunlight.
4. Never store at temperatures above 120
° F (49° C).
5. Never store in living spaces.
6. Always use tank until it is completely empty.
7. Never store in luggage or take on trains or aircraft.
8. To discard, contact local refuse hauler or recycle center.
9. Never put in fire or incinerator. Do not puncture.
NOTE: FIRE/EXPLOSION HAZARD
Propane tanks contain enough gas to cause serious fire, explosion, and burns. To reduce chance of leak, fire, or explosion, take the following precautions:
BEFORE USE
1. Check tank and hose seals. Never use with damaged or missing seals. Clean tank if dirt or rust particles are in valve area.
2. Attach tanks outdoors away from pilot lights, flames, sparks or other ignition sources. These sources can ignite leaking gas.
3. Hand tighten only. Never use tools to tighten. Over tightening can damage seals.
4. Check for leaks. Put soapy water on connections. Look for bubbles. Listen for hiss of escaping gas. Feel for extreme cold. Smell for rotten egg odor. Do not use if leaking.
5. Read and follow operation instructions.
DURING USE
Never use near pilot lights, flames, sparks, or other ignition sources. They can ignite leaking gas.
AFTER USE
1. Turn engine o and let cool.
2. Detach tank when not in use.
3. Detach outdoors away from pilot lights, flames, sparks, or other ignition sources, they can ignite leaking gas.
4. Replace valve and connector caps to keep them clean.
IN CASE OF FIRE
1. Leave area quickly and call for help.
2. Let the tank burn out.
WARNING:
PROPANE IS HIGHLY FLAMMABLE, AND ITS VAPORS CAN EXPLODE IF IGNITED.
IMPORTANT MANUAL INFORMATION
TO THE OWNER
Congratulations for purchasing a LEHR propane outboard motor. Thank you for t aking t he initiative to reduce pollution in our water, air and environment by changing to an environmentally friendly fuel source f or your outboard motor. This operator’s manual explains information needed f or proper operation, maintenance and care of your LEHR propane outboard engine. Understanding and f ollowing t hese instructions will help you get the most trouble f ree use from your LEHR propane outboard. If you have any questions about operation or maintenance of your outboard motor please contact LEHR at1-866-941-LEHR (5347).
READ THE OPERATOR’S MANUAL BEFORE OPERATING YOUR LEHR PROPANE OUTBOARD MOTOR
Read this manual completely and understand the operating procedures before operating the outboard motor.
Read and understand all manuals supplied with your boat.
Read and understand all labels on t he outboard motor and t he boat.
If you need any additional information, contact your LEHR dealer or call 1-866-941-LEHR (5347).
WARNING
WARNING SYMBOLS
Warning symbols indicates: ATTENTION! YOUR SAFETY IS INVOLVED! Failure t o follow WARNING instructions c ould result in severe injury or death to the machine operator, a bystander, or a person inspecting or repairing the outboard motor.
NOTE
A “NOTE” provides information t o make procedures easier or clearer. To ensure long product life, LEHR recommends t hat you use the product and perform the s pecified periodic inspections and maintenance by correctly following t he instructions in the operator’s manual. Note t hat if you do not follow t hese instructions, not only may the product malfunction, but the warranty will also be voided.
This product is c overed under one or more of the following U.S. Patents: 7424886 B1, 7631636 B 2, 7730868 B 2, 7690347 B2, 7739996 B 2, 7874275 B1, 7854219 B 2, 7735464 B 2. Other Patents P ending.
LEHR |
ALL RIGHTS RESERVED
1
GENERAL INFORMATION
B efore mounting or operating t he outboard motor, completely read t he operator’s manual and labels. Reading them will give you a good understanding of the motor and its operation.
B efore operating t he boat, read any owner's or operator's manuals supplied with it and all labels. Be sure you understand all items f rom t he boat manual as well as t his engine manual before operating.
Do not over power t he boat with this outboard motor. Overpowering the boat could result in damage t o the boat and injury to all occupants. The rated power of the outboard should be equal to or less t han t he rated horsepower capacity of the boat. If the rated horsepower capacity of the boat is unknown, consult the dealer or boat manufacturer.
Do not attempt to modify the outboard. Modifications could make the motor unsafe t o use and will warranty. Incorrect propeller selection and incorrect use may not only cause engine damage, but also adversely affect fuel consumption. Consult your dealer f or correct use.
Never operate after drinking alcohol or t aking drugs. About 50% of all boating f atalities involve intoxication.
Have an approved personal f lotation device (PFD) on board f or every occupant. It is a good idea t o wear a
PFD whenever boating. Children and non-swimmers should always wear PFD's, and every one should wear PFD's when there are potentially hazardous boating conditions.
P ropane is highly f lammable, and its vapors are f lammable and explosive. Handle and store propane carefully. Make sure there are no f umes or leaking fuel before starting the engine.
Leaking propane can be dangerously cold. It can freeze skin if handled. Never attempt to tighten a loose fitting while it is leaking. Turn the valve off on t he cylinder and allow leak to dissipate before handling.
T his product emits exhaus cause brain damage or death when inhaled. Symptoms include nausea, dizziness, and drowsiness. Keep cockpit and cabin areas well ventilated. Avoid blocking exhaust outlets.
Check throttle, shift, and steering f or proper operation before starting t he engine.
Attach t he engine stop switch lanyard cord to a secure place on your clothing, or your arm or leg while
operating. If you accidentally leave the helm, the cord will pull from t he switch, stopping t he engine.
K now t he marine laws and regulations where you will be boating and obey t hem.
K now about the weather forecast. Check weather before boating. Avoid boating in hazardous
weather.
t gases which contain carbon monoxide, a colorless, odorless gas which may
void t he
T ell some one where you are going. Leave a F loat Plan with a responsible person. Be sure t o cancel t he Float Plan when you return.
B e aware, alert, and use good judgment when boating. Know your abilities, and be familiar wi boat handles under the different boating conditions you may encounter. Operate within your limits, and the limits of your boat. Always operate at safe speeds, and watch carefully f or obstacles and other traffic.
A lways watch carefully f or swimmers.
Stay away from swimming areas.
W hen a swimmer is in t he water near you shift into neutral and shut off the engine.
Do not illegally discard empty containers used t o replace or replenish oil. For t he correct processing of
empty containers ,consult the dealer where you purchased t he oil.
W hen replacing oils used to lubricate the product (engine or gear oil), be sure t o wipe away any spilled oil. Never pour oil without using a funnel or similar device. If necessary, verify the necessary replacement procedure with t he dealer.
th how your
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LEHR | ALL RIGHTS RESERVED
GENERAL INFORMATION
BASIC COMPONENTS
NOTE: All c omponents may not be exactly as shown, also may not be included as standard equipment on all models.
1
10
6
11
7
12
8
9
2
3
4
5
13
14
15
16
17
18
19
20
1. TOP COWLING
2. SWIVEL BRACKET
3. CLAMP BRACKET
4. TRIM ROD
5. COOLANT WATER I NTAKE
6. TOP COWLING LOCK LEVER
7. LOWER COWLING
8. OIL OUTLET
9. LOWER UNIT HOUSING
10. PROPELLER
SERIAL NUMBER
The outboard motor s erial number is stamped on the label attached t o the clamp bracket. Record your outboard motor serial number, you will need it when ordering s pare parts from y our LEHR dealer or f or reference if your outboard motor is stolen.
11. COOLANT WATER PILOT HOLE
12. TILT LOCK LEVER
13. PULL START HANDLE
14. GEAR S HIFT LEVER
15. TILLER HANDLE
16. ENGINE STOP BUTTON
17. LOW OIL PRESSURE WARNING LIGHT
18. PROPANE CONNECTOR
19. ENGINE RESTRAINT CABLE MOUNT
20. TRANSOM CLAMP HANDLE
LP15S14A1234
MODEL YEAR
EX: 14 = 2014
EX: A = JANUARY B = FEBRUARY C = MARCH
SEQUENCE PER MONTH MONTH
INTERNAL BATTERY
EMISSIONS LABEL
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WARNING LABELS:
-DETACH FUEL LINE FROM MOTOR OR CLOSE VALVE ON TANK WHEN NOT IN USE
-USE ONLY PROPANE MOTOR FUEL
-FIRE HAZARD
3
GENERAL INFORMATION
PROPANE TANK
Use of a LEHR Liquid Draw propane t ank or liquid draw forklift type t ank is recommended. A DOT approved vapor “BBQ” propane t ank may be used, however extended use at high RPM will result in slowed engine performance. Connect a vapor type tank t o t he remote propane connector with t he provided high pressure vapor draw propane hose.
NOTE: Do not use a hose assembly that includes a pressure regulator. WARNING: If using a liquid draw t ank and liquid draw hose, always t urn off the v alve on tank when done
using. When disconnecting t he t ank, the hose will still contain liquid propane. If the liquid draw hose needs to be removed, turn off the t ank valve and run the engine to deplete the contents of the hose before removing t he hose f rom t he t ank.
LEHR LIQUID DRAW
PROPANE TANK
STANDARD 20 lb.
PROPANE TANK
“LIQUID DRAW”
HIGH PRESSURE PROPANE HOSE
“VAPOR DRAW”
HIGH PRESSURE PROPANE HOSE
TILLER HANDLE
To change direction wile operating your boat, move t he t iller handle to the left or right as necessary.
TILLER HANDLE
GEAR SHIFT LEVER
Your outboard has three gear shift positions t o provide operation: Forward(F), Neutral(N), and Reverse(R). Reduce throttle speed to idle speed before shifting. Always shift outboard into gear with a quick motion.
(R)
(N)
(F)
GEAR SHIFT LEVER
THROTTLE GRIP AND THROTTLE FRICTION ADJUSTER
The t hrottle grip is on the t iller handle. Turn t he grip counterclockwise t o increase speed and clockwise t o decrease speed. A friction device provides adjustable resistance t o movement of the throttle grip or t he remote control lever, and can be set according t o operator preference. To increase resistance, turn the adjuster clockwise. To decrease resistance, turn t he adjuster counterclockwise.
WARNING: Do not overtighten the t hrottle f riction adjuster. If there is t oo much resistance, it could be difficult to move throttle lever or grip, which could result in an accident. When constant speed is desired, tighten t he adjuster just enough to maintain the desired throttle setting.
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THROTTLE FRICTION
ADJUSTER
THROTTLE GRIP
GENERAL INFORMATION
ENGINE STOP SWITCH
The stop switch lock must be attached t o the engine stop switch for t he engine t o run. The hook should be attached t o a secure place on t he operators clothing, or arm or leg. Should the operator fall over board or leave the helm, the stop switch lock will pull out the stop switch, stopping ignition t o the engine. This will prevent the boat from running away under power.
NOTE: The engine cannot be started with t he stop switch lock removed.
ENGINE STOP
SWITCH
STOP SWITCH
LOCK
ENGINE STOP
SWITCH LANYARD
HOOK
CORRECT
WARNING: Attach the engine stop switch hook to a s ecure place on y our clothing, or y our arm or leg while operating. Do not attach t he hook to clothing that could t ear loose. Do not route t he lanyard where it could be come entangled, preventing it from f unctioning. Avoid accidentally pulling the lanyard during normal operation. Loss of engine power means the loss of most steering control. Also, without engine people and objects in t he boat to be t hrown f orward.
power, the boat could slow rapidly. This could c ause
INCORRECT
ENGINE STOP BUTTON
To stop t he engine, push and hold the engine stop switch button or pull the lanyard out from t he switch.
ENGINE STOP
BUTTON
MANUAL STARTER HANDLE
To start the engine, first gently pull the handle out until resistance is felt. From that position, then pull the handle straight out quickly t o crank t he engine.
NOTE: If the shift lever is not in t he neutral position t he starter rope will be locked and cannot be pulled
HANDLE
STEERING FRICTION ADJUSTER
A friction device provides adjustable resistance t o t he steering mechanism, and can be set according t o operator preference. An adjusting screw or bolt is located on t he s wivel bracket.
STEERING FRICTION ADJUSTER BOLT
To increase resistance, turn t he adjuster bolt clockwise. To decrease resistance, turn t he adjuster bolt counterclockwise.
:
WARNING steer, which c ould result in an accident.
Do not overtighten the f riction adjuster. If there is t oo much resistance, it could be difficult to
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5
GENERAL INFORMATION
TRIM ROD
The position of the t rim rod determines t he angle of the outboard motor in relation t o the t ransom
TRIM ROD
TRIM ROD
.
TRANSOM CLAMP
TILT LOCK MECHANISM
The t ilt support lock keeps the outboard motor in t he t ilted up position. If the outboard engine needs t o be tilted up out of the water or to get the propeller higher than t he bottom of the boat, unlock t he t ilt lock mechanism as shown and t ilt the engine upwards. The tilt lock mechanism will engage and lock the engine in three possible positions. To lower t he engine, turn the lock lever back t o the lock position. Then lift the engine slightly to allow lock mechanism to disengage, then c arefully lower the engine all t he way down.
TILT UP AND LOCK
UNLOCK
TILT LOCK LEVER
LOCK
TILT LOCK LEVER
WARNING: Do not use t he t ilt support bar when t railering t he boat. The outboard motor could shake loose from t he t ilt support and f all. If the motor cannot be trailered in the normal running position, use an additional support device to secure it in t he t ilt position.
TOP COVER LOCK LEVER
Pull t he lock lever upwards from t he bottom and unhook from t he t op cover. Then lift the c over f rom t he rear and remove f rom t he f ront hook. When installing t he cover, make sure t he f ront hook is securely inserted in it’s slot, then lock the rear lever into place. Check t o be sure t he rubber seal f its properly on t he lower cowling. Then lock the c over by moving the lock lever downward.
RUBBER SEAL
TOP COVER
LOCK LEVER
LOWER COWLING
FRONT HOOK
LOWER COWLING
LOCK LEVER
CARRYING HANDLES
Carrying handles are provided on the f ront and rear of the outboard motor. The handles enable you to c arry the outboard motor with t wo hands.
REAR
CARRYING
HANDLE
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FRONT
CARRYING
HANDLE
INSTALLATION
INSTALLATION
Incorrect engine height or obstructions to smooth water flow in front of the propeller can cause propeller cavitation while the boat is cruising. Cavitation occurs when the engine speeds up momentarily and suddenly slows as the propeller engages the water. Severe engine damage may result if the motor is operated continuously while cavitating. During water testing check the buoyancy of the boat, at rest, with its maximum load. Check that the static water level on the exhaust housing is low eno power head, when water rises due to waves when the outboard is not running.
MOUNTING THE OUTBOARD MOTOR
Overpowering a boat could cause severe instability. Do not install an outboard motor with more horsepower than the maximum rating on the capacity plate of the boat. If the boat does not have a capacity plate,
consult the boat manufacturer.
This section is inten
possible boat and motor combination. Proper mounting depends in part on experience and the specific boat and motor combination. Improper mounting of the outboard motor could result in hazardous conditions, or poor handling, loss of control, or boat damage.
Your dealer or other person experienced in proper out board motor mountings sho
mount your motor. Mount the outboard motor on the center line (keel line) of the boat, and ensure that the boat itself is well balanced. Otherwise the boat will be hard to steer. For boats without a keel or which are asymmetrical, consult your dealer.
ded as reference only. It is not possible to provide complete instructions for every
aa
ugh to prevent water entry in to the
uld show you how to
BOTTOM OF HULL 0-1 in (0-25mm)
ANTI-CAVITATION PLATE
CENTER LINE (KEEL LINE)
MOUNTING HEIGHT
To run your boat at best efficiency, the water resistance (drag) of the boat and outboard motor must be made as little as possi If the mounting height is too high, cavitation tends to occur, thus reducing the propulsion, and if the propeller tips cut the air, the engine speed will rise abnormally and cause the engine to over heat. If the mounting height is too low, the water resistance will increase and thereby reduce engine efficiency. Mount the outboard motor so that the anti-cavitation plate is between the bottom of the boat and a level 25mm (1in.)
low it.
be The optimum mounting height of the outboard motor is affected by the boat and motor combination and the
desired use. Test runs at different heights can help determine the optimum mounting height. Consult your boat manufacturer for further information on determining the proper mounting height.
CLAMPING THE OUTBOARD MOTOR
1. Place the outboard motor on the transom so that it is positioned as close to the center as possible. Tighten
the transom clamp screws evenly and securely. Occasionally check the clamp screws for tightness during operation of the outboard motor because they could become loose due to engine vibration.
WARNING: Loose clamp screws could allow the outboard motor to fall off or move on the transom. This could cause loss of control and seri Occasionally check the screws for tightness during operation.
2. If an engine restraint cable or chain attachment is equipped on your boat, the cable or chain should be
used. Attach one end of the engine restraint cable attachment to the engine clamp and the other to a secure mounting point on the boat. Otherwise the engine could be completely lost if it accidentally falls
off the transom.
ble. The mounting height of the outboard motor greatly affects the water resistance.
ous injury. Make sure the transom screws are tightened securely.
ATTACH ONE END OF THE RESTRAINT CABLE THROUGH THIS CLAMP MOUNT AND ONE END SECURELY ON THE BOAT
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