Launtop LT87 User manual

Thank you for purchasing the general purpose gasoline engine
This OPERATION MANUAL tells you how to operate and service your gasoline
engine. Please read it before using the engine to insure proper handling and
operating. Follow the instructions carefully to keep you engine in the best running
condition.
This OPERATION MANUAL deals with the main points for operation of the engine.
If you have any question concerning this manual, or any suggestion, please contact
your nearest dealer.
WARNING:
·This general purpose gasoline engine is designed to give safe and dependable
service provide that it is operated according to OPERATION MANUAL
· Read and understand to OPERATION MANUAL before operating the engine,
failure to do so could result in personal injury or equipment damage.

Declaration of Conformity
(Manufacturer’s Declaration)
We: Fuzhou Launtop M And E Co., Ltd.
Jinshan Industrial Park, Fuzhou, Fujian 350002, P. R. China
declare in sole responsibility that the equipment
air cooled gasoline engine
LT87,LT160,LT200,LT210,LT240,LT270,LT340,LT390,LT420
S/N
： see marking on engine
to which this declaration applies, complies with the following directives
and/or standards:
2006/42/EC
2004/108/EC
The products must not be put into service until the final machinery into which it is to
be incorporated has been declared in conformity with the provision of applicable directive.
UNotesU:
This declaration becomes invalid, if technical or operational modifications are
introduced without
the manufacturers consent.
Person responsible for keep the technical file:
Name, Surname: FENG LIU
Address: Z.I BELLEVUE 35220 CHATEAUBOURG FRANCE
Person responsible for making this declaration:
Name and Signature: Date and Place: 31-JAN-2011, FUZHOU, CHINA
The title of signature: Marketing Director
U

CONTENTS
1. SAFE TIPS..............................................................................................................1
2. SPECIFICATIONS AND PARTS DESCRIPTION…………………………………….2
3. FUEL AND ENGINE OIL........................................................................................ 4
4. PRE-OPERATION INSPECTION…………………………………………………........6
5. STARTING AND STOPPING THE ENGINE............................................................7
6. INSPECTION AND MAINTENANCE………………………………………………….10
7. STORAGE OF ENGINE …………………………………………………………….....13
8. TROUBLE SHOOTING…………………………………………………………….......13

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1. SAFE TIPS
WARNING:
These items that are very important for safety. Please be sure to obey them.
•Do not allow people who do not understand this OPERATION MANUAL to
operate the engine.
•Do not run the engine indoors or where ventilation is poor.
•Keep explosive and flammables at least 1 m (3ft) away from the engine.
•Do not smoke when adding fuel
•Do not run the engine when gasoline has split, clean the overflowing fuel and fuel
spillage.
•Do not remove the fuel tank cap or add fuel while the engine is running or hot.
(Add fuel after the engine has cooled by waiting 2 or more minutes after engine is
stopped.)
•Do not run the engine without the muffle or air cleaner remove.
•Do not touch the muffle, muffle cover or engine body while the engine is running
or hot.
•Place the protective covers over the rotating parts. If rotating parts, such as the
drive shaft, pulley, belt, etc, are exposed, they are potentially hazardous. To
prevent injury, equip them with protective covers or shrouds.
•Be careful of hot parts. The muffler and other engine parts become very hot while
the engine is running or just after it has stopped. Protective measures must be
provided in the specific application.

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2-2. Parts Description

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3. FUEL AND ENGINE OIL
3-1. Feel
·Use clean, fresh, unleaded gasoline.
·Do not mix oil into the gasoline
·Do not overflow the gasoline when filling the fuel tank
WARNING:
·Flame and heat can cause gasoline to explode. Be sufficiently careful of flame and
heat when handle gasoline.

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3-2. Engine Oil
·Use the engine oil following the table below
Note: Recommended engine oil: SAE I5W-40 mineral oil use only
·Do not add commercial additives to the oil.
·Do not mix gasoline into the oil
WARNING:
Engine is shipped without oil. Before starting, be sure to conduct an oil inspection
by following instructions given
Place the engine on a level surface when adding oil and conducting inspections;
②Check the oil level without the oil gauge screw in;
③Fill the oil up to level of oil gauge;
④Before starting the engine ,tightly screw in the oil gauge.

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4. PRE-OPERATION INSPECTION
4-I. Fuel Inspection
·Is there gasoline in the tank?
·Is old gasoline being used?
·Is the fuel tank cap closed correctly?
WARNING:
Be sufficiently careful of heat and flame when handling the fuel. Not doing so could
cause fire or explosion
4-2. Air-cleaner Inspection
·Is the air-cleaner element dirty?
·When the air-cleaner element is dirty ,cleaning it.
4-3. Engine Oil Inspection
·Is the engine filled with the recommended engine oil, and is
the oil dirty?
·If there is not enough oil, if it is dirty, or it has been used
long than the specified time, adding or changing the engine oil.
4-4. Inspection the Tightness of all Fastener Screw
·Are all the screw tight?
·Be sure to check the screw used to fasten the muffler
(Do this when the muffler is cold)
4-5. Fuel and Oil Leaks Inspection
·Are there any fuel or oil leaks? If any are found have a repair

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5. STARTING AND STOPPING THE ENGINE
5-1. Starring the Engine
WARNING:
Before starting the engine, careful read and understand the "SAFE TIPS" and "PRE-
OPERATION INSPECTION" section of this OPERATION MANUAL.
①OPEN the fuel cock ②Turn the engine switch to "ON" position
③Complete CLOSE the choke valve ④Move the throttle lever a little to OPEN

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⑤start the engine as follow
a. Recoil start:
·Hold the starter handle and pull it slightly
until the compression position is reached,
and then pull it swiftly from this position;
·Slowly return the starter handle to its original
position after the engine starts.
b. Electric start;
·Turn the key switch to "START" position;
and remain it until the engine starts.
·If engine dose not starts after running of the
electric starter for 5sec., wait 10sec. before next trying
·After engine starts, please release the key switch, it will
return to "ON"(or "RUN") position.
⑥After engine starts, gradually turn the choke lever to the full "OPEN" position, and
set the throttle lever in the Max. position. Before loading, warm up the engine for
about 3 min.

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5-2. Stop the Engine
①Move the throttle lever to "CLOSE" position;
②Turn the engine switch to "OFF" position;
③Close the fuel cock
NOTE:
·In emergency, turn the engine switch to "OFF" to stop the engine.
WARNING:
·Never stopping the engine at high speed under heavy load, otherwise, the damage
will result.

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6. INSPECTION AND MAINTENANCE
6-1. Daily and Regular Inspection
WARNING:
·Daily and regular inspections is important to assure safe, proper and long-term
operation of the engine. Refer to the regular inspection table when conducting
inspections and maintenance.
Regular Inspection Table:
Noted: Item marked with a ○require advanced skill and tools, so they should
be done by the specify person.

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②Cleaning the spark plug
·Remove the carbon attached to the electrode;
·Polish the electrode with emery paper or wire brush;
·Adjust the electrode gap.
③Cleaning the fuel filter
·Remove the filter from fuel tank;
·Cleaning it in solvent
·Wipe off;
·Replace the filter into fuel tank
④Cleaning the deposit cup of
fuel cock
·Remove the cup from fuel
cock;
·Cleaning the cup;
·Replace the cup use a new
O-ring.

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7. STORAGE OF ENGINE
Should the engine be stored for a long period, please do as follows:
①Drain off the fuel in tank and oil in crankcase;
②Remove the spark plug, add about 2-3 cc. Engine oil into the cylinder, and reinstall
the spark plug. Pull the recoil until feeling the compression. At this time, both the inlet
and exhaust valve are close to prevent the engine chamber from rusting;
③Clean the surface of engine with clean cotton;
④Store the engine in dry and dust free area.
⑤Electric starter: Disconnect the battery, change the battery once every mouth.
8. TROUBLE SHOOTING
Starting failure:
①Is ignition normal?
·Is engine switch turn to "ON" position?
·Remove the spark plug, when it is soiled, clean or replace it.
②Is compression sufficient?
·Confirm 6x pulling the starter handle slowly. When compression is insufficient,
check whether tightening of spark plug is firm. If it is loose, tighten.
③Is fuel sucked into the combustion chamber?
·Is fuel cock open?
·Close chock lever, pull the starter handle several times ,then remove the spark
plug. When the tip of spark plug is wet, it is OK.
·When fuel is not sucked, check fuel strainer for clogging.
·When engine does not start though fuel is sucked, replace fuel with new.
When the engine does not start in spite of above mentioned inspections, ask the
distributor or repair factory for inspection.