Troubleshooting; Inspections And Maintenance - Nakayama MB5000 Owner's Manual

Troubleshooting

Trouble Cause
1. Empty tank
Engine will not 2. Fouled air filter
start 3. No ignition spark
4. Flooded engine
1.
2.
3.
Faltering engine
4.
5.
1. Too long ignition interval, defective
Engine often
switches off when
2. Carburetor not set correctly
idling
3. Fouled air filter
Drive will not 1. Check the drive lever cable tension
work properly 2. Drive does not work
Excessive
1. Loose lock screws
vibrations

Inspections and Maintenance

Inspections and Maintenance Safety Instructions
The machine will serve as a sufficient aid only if maintained and care 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 sparkle plug socket out!

Never use aggressive detergents for cleaning. That could result in damage or destruction of the unit.

Inspection and Maintenance Schedule
Time Interval
Before start of work
Every 25 operating hours
Every 100 operating hours
7
Ignition cable detached
Fuel piping clogged or wrong fuel
Blocked hole in the fuel tank
cover.
Water or dirt in fuel system
Fouled air filter
ignition plug
Description
Check the engine oil level

Check for any loosen parts

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 waters
Check, clean or replace the ignition sparkle plug

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Troubleshooting
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.
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
1. Adjust/replace the ignition plug
2. Set up the carburetor
1. Adjust the cable tension if necessary.
2. Have the unit checked in a servicing shop
1. Tighten the lock screws
T .
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