Maintenance Schedule; Troubleshooting - Honda UMK425E Manual Del Propietário

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
Nuts and Check /
bolts Tighten
(1) Clean more often in dusty environments.
(2) Maintenance of these points must be carried out by your servicing dealer.
12 EN
Frequency
Each Every 3 Every 6 Every
time months months year or
used or 25 or 50
hours 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
Engine does not start.
100
Starting difficult or loss 1. Dirty air filter.
of power.
Uneven running.
Engine overheats.
Brushcutter vibrates
(2)
excessively.
(2)
(2)
(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.
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. Cutting means incorrectly
balanced or cutting attachment
incorrectly fitted.
2. Engine bolts loose.
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