Nakayama MB5005, Manual

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EN
Troubleshooting
Problem Cause Solution
Engine will not
start
1. Empty tank
2. Fouled air filter
3. No ignition spark
4. Flooded engine
1. Fill in the tank, check the fuel in carburetor, and
clean the hole in the lid with a needle.
2. Clean the air filter.
3. Clean the ignition plug or use a new one.
4. Remove the plug, clean and wipe dry; pull the
starting cable several times with the plug removed.
Faltering engine
1. Ignition cable detached
2. Fuel piping clogged or wrong fuel
3. Blocked hole in the fuel tank
cover.
4. Water or dirt in fuel system
5. Fouled air filter
1. Push the plug socket firmly on the plug.
2. Clean fuel piping, use fresh/different fuel.
3. Replace the fuel tank cover
4. Drain the fuel and refuel.
5. Clean the air filter
Engine often
switches off when
idling
1. Too long ignition interval, defective
ignition plug
2. Carburetor not set correctly
3. Fouled air filter
1. Adjust/replace the ignition plug
2. Set up the carburetor
Drive will not
work properly
1. Check the drive lever cable tension
2. Drive does not work
1. Adjust the cable tension if necessary.
2. Have the unit checked in a servicing shop
Excessive
vibrations
1. Loose lock screws 1. Tighten the lock screws
Inspection and m aintenance
Inspection and m aintenance s afety i nstructions
The machine will function properly only if maintained and care d for appropriately. Insufficient maintenance and care may
result in accidents and injuries.

Prior to any works on the unit, always switch the engine off and pull the spark plug socket out!

Never use aggressive detergents for cleaning. That could result in damage or destruction of the unit.
Inspection and m aintenance s chedule
Time i nterval Action
Before start of work

Check the engine oil level

Check for any loose parts
Every 25 operating hours

Exchange the engine oil

Check the engine oil level

Clean the air filter

Remove remnants of grass from rotating parting with a brush or a blunt
tool

Wipe the body with a soft cloth

When the dirt is hardened, the unit may be cleaned with soft cloth
wetted in soapy water
Every 100 operating hours

Check, clean or replace the ignition spark plug
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