LB55 USER MANUAL
9
STOPPING THE ENGINE
When operation is complete or the unit needs to be checked or a clog needs to be cleared:
1. Move the throttle to SLOW.
2. Set the engine switch to the OFF position.
3. Close fuel valve.
Note: Impeller will continue to rotate for several seconds after engine is stopped.
EXCESSIVE VIBRATION
Shut off the engine immediately if abnormal/excessive vibration occurs. Remove spark plug wire. Find the
cause of vibration and repair it.
1. Damaged impeller
2. Loose impeller bolt
3. Loose impeller key
4. Lodged objects
Daily maintenance
1. Check all wearing parts, replace worn parts or repair them.
2. Tighten loose fasteners.
ENGINE OIL
1. Check the oil level daily.
2. See the engine manual for oil specifications and checking procedure.
ENGINE AIR CLEANER
1. Check and clean according to the engine manuals.
2. It is recommended daily inspection and cleaning due to the extreme environment.
CLEANING
1. Keep the area around the muffler and engine recoil cover cooling air intake free of debris, accumulate to
prevent fires and keep the engine from overheating. These areas need to be monitored.
STORAGE
1. Stop the engine and allow it to cool sufficiently before storage.
2. Discharge the fuel from the tank only outdoors.
3. Store fuel in approved non-metallic containers in a cool, dry place.
4. Place storage equipment and fuel containers in areas that children cannot touch.
5. Make sure that there are no flammable objects in the container area where the fuel is discharged in order
to reduce fire hazards.
To prevent possible explosion or ignition of vaporized fuel, do not store equipment with fuel in tank or
carburetor in an enclosure or enclosed area with an open flame
Before the equipment is put into storage for any period exceeding 30 days, the following steps should be
completed.
1. Discharge all the fuel from the engine fuel tank, store it in the non-metallic fuel container and place it in
the area with good ventilation conditions.
2. Start the engine and run until all the fuel is used from the carburetor float bowl and the engine stops.
3. Store the unit and all of its components in a clean, dry, well ventilated, non-child accessible, sheltered area
that is out of sun light and high ambient temperatures.