Storage - Dolmar MS-252 Original 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.
Maintenance schedule
General
After each refuelling
Daily
Weekly
Quarterly
Shutting down procedure
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
Insufficient Several systems
performance may simultaneously
be affected
Engine assembly, screws and nuts
Control lever
I-O switch
Air filter
Cooling air duct
Cutting tool
Idling speed
Spark plug
Muffler
Suction head
Fuel tank
Fuel tank
Carburetor
Observation
Ignition spark O.K.
No ignition spark
Fuel tank filled
No compression
when pulled over
Starter not engaging
Tank filled ignition
spark existing
Tank filled
Engine idling poor
Drain fuel
Visual inspection for damage and tightness
Check for general condition and security
Functional check
Functional check
To be cleaned
To be cleaned
Check for damage and sharpness
Inspection (cutting tool must not move)
Inspection, replace if necessary
Check and if necessary clean the opening
To be replaced
To be cleaned
Empty fuel tank
Operate until engine runs out of fuel
Cause
Fault in fuel supply or compression system, mechanical defect
I-­O switch operated, wiring fault or short circuit, spark plug or
connector defective, ignition module faulty
Incorrect choke position, carburetor defective, fuel supply line bent
or blocked, fuel dirty
Cylinder bottom gasket defective, crankshaft seals damaged,
cylinder or piston rings defective or improper sealing of spark plug
Broken starter spring, broken parts inside of the engine
Carburetor contaminated, must be cleaned
Incorrect idling adjustment, carburetor contaminated
Fuel tank vent defective, fuel supply line interrupted, cable or I-­O
switch faulty
Air filter contaminated, carburetor contaminated, muffler clogged,
exhaust duct in the cylinder clogged
19
Humidity