Storage - Makita RBC411U Instruction Manual

STORAGE

– When the machine is in storage for a long time, drain fuel from the fuel tank and
carburetor, as follows: Drain all fuel from the fuel tank. Dispose of properly and in
accordance with all local laws.
– Remove the spark plug and a few drops of oil into the spark plug hole. Then, pull
the starter gently, so that oil covers the engine inside and tighten the spark plug.
– Clear dirt or dust from the cutter blade and outside of engine, wipe them with a
oil-immersed cloth and keep the machine in a place as dry as possible.
Fault location
Fault System
Engine not starting Ignition system
or with difficulty
Fuel supply
Compression
Mechanical fault
Warm start problems
Engine starts but Fuel supply
dies immediately
Insufficient Several systems
performance may simultaneously
be affected
Observation Cause
Ignition spark O.K. Fault in fuel supply or compression system, mechanical defect
No ignition spark I-O switch operated, wiring fault or short circuit, spark plug or
connector defective, ignition module faulty
Fuel tank filled Incorrect choke position, carburetor defective, fuel supply line bent
or blocked, fuel dirty
No compression Cylinder bottom gasket defective, crankshaft seals damaged,
when pulled over cylinder or piston rings defective or improper sealing of spark plug
Starter not engaging Broken starter spring, broken parts inside of the engine
Tank filled ignition Carburetor contaminated, must be cleaned
spark existing
Tank filled Incorrect idling adjustment, carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted, cable or I-O
switch faulty
Engine idling poor Air filter contaminated, carburetor contaminated, muffler clogged,
exhaust duct in the cylinder clogged
17
Drain fuel
Humidity