Use and Care Manual
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2.4 To Start
1. Open the fuel shut-o valve by moving the fuel cock level to the open position.
2. Set the engine ON/OFF switch to the “ON” position.
3. Grip the recoil starter handle and pull it until you feel slight resistance. Then pull
sharply and quickly. Return the recoil starter handle to the starter case before releasing.
4. Grip the recoil starter handle and pull it a little to feel slight resistance. Then pull pow-
erfully. To release the handle, do not release at the position where it has been pulled to,
but release aer returning closely to the starter case.
5. If the engine has started, return the choke lever slowly to the full-open position. Be
sure to perform a warm-up run for a period 3 to 5 minutes at low speed, while paying
careful attention to gas leakage or abnormal sound.
6. If it is diicult to start the engine by repeatedly pulling the starter rope, remove igni-
tion plug and check the sparking performance. If the plug is wet due to excessive fuel
intake or soiled, replace the coil or clean suiciently. With the ignition plug removed,
pull the recoil starter handle 2-3 times to discharge excessive gas.
2.5 Operation
1. Turn the choke lever to open the choke. Run the engine for 5 minutes at low speed to
warm the engine.
2. Move the throttle lever quickly to the “FULL OPEN” position. DO NOT move the throt-
tle lever slowly as this may cause damage to the clutch or spring.
Make sure that the throttle lever is moved to the FULL OPEN position.
Operating the rammer at less than full speeds can result in damage to the
clutch springs or foot.
3. Aer starting the tamping action, adjust the jumping motion to suit the particular soil
condition by lightly controlling the throttle lever. When the engine speed falls between
the set values shown on the engine, your work can be carried out at the best eiciency.
Increasing the engine speed unnecessarily does not cause the compaction force to
increase. On the contrary, a resultant resonance causes the compaction force to
decrease, damaging the machine.
4.Under cold weather, the oil in the machine may become viscous, causing the tamping
rammer to perform somewhat irregular movement. It is recommended to perform a
warm-up run while moving the throttle lever repeatedly between ON and OFF positions,
before beginning to work.
CAUTION