Troubleshooting - Honda Power Equipment UMK425E1 Manual De Instrucciones

MAINTENANCE SCHEDULE
Maintenance to be carried out
at the intervals indicated in
months or in operating hours
which ever occurs first.
Item Intervention
Engine cooling
Clean
fins
Condition of
cutting
Check
attachment
and guard
Zone around
transmission Clean
head
Transmission
Grease
head
Operation of
Check
throttle trigger
Operation of
Check
Stop button
Idle / Clutch Check
Check
Air filter
element
Clean
Air filter
Clean
housing
Zone around
Clean
spark plug
Check
Spark plug
Clean
Zone around
Clean
carburettor
Cables and
Check
connections
Fuel system Check
Fuel filter Check
Spring and
Check
clutch pads
Check
Idle speed
Adjust
Check
Engine oil
Replace
Fuel tank Clean
Valve
Adjust
clearance
Check /
Nuts and bolts
Tighten
(1) Clean more often in dusty environments.
(2) Maintenance of these points must be carried out by a Honda dealer.
Frequency
Every 3 Every 6
Each
months months
time
or 25 or 50
used
hours hours
(1)
(1)
Every 2 years (replace if necessary) (2)
(2)
Replace after 10 service hours and then every
6 months or 50 service hours

TROUBLESHOOTING

Problem
Every
Engine does not start.
year or
100
hours
Starting difficult or loss of
power.
Uneven running.
Engine overheats.
(2)
(2)
(2)
Brush cutter vibrates
excessively.
(2)
Probable cause
1. No fuel.
2. Start/Stop button is in Stop
position.
3. Spark plug cap incorrectly
attached or disconnected.
4. Faulty spark plug or incorrect gap.
5. Engine flooded. Remove spark
plug, dry it with a cloth and
reinstall it.
6. Fuel filter is dirty. Clean it.
1. Dirty air filter.
2. Impurities in fuel tank.
3. Water in fuel tank and in fuel.
4. Fuel tank cap vent and /or
carburettor clogged.
5. Engine is hot; choke is closed.
Open choke.
1. Faulty spark plug or incorrect gap.
2. Dirty air filter.
1. Spark plug gap incorrect.
2. Dirty air filter.
3. Engine cooling fins clogged.
4. Oil level too low.
5. Starter pulley fouled by grass
cuttings, etc.
1. Blade incorrectly balanced or
cutting attachment incorrectly
fitted.
2. Engine bolts loose.
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