Troubleshooting - Nakayama PS3100 Manual

EN
If the blades become so worn down that it is no longer possible to eliminate the gap between them, you should contact the au thorized servicing dealer from
which you purchased your trimmer to have the blades resharpened or replaced.
Transmission (Z16)
The reduction gears are lubricated by angled transmission grease in the transmission.
Supply new grease every 25 hours of use or more often depending on the job condition.
When adding lubricant, use a grease gun to insert lubri cant into the three grease nipples located on the trans mission.
(1) Grease fitting
Oiling port (Z17)
(1) Oiling port
Dismount the guide bar and check the oiling port for clogging.
Guide bar (Z18)
Remove sawdust in the bar groove and the oiling port.
(1) Groove (2) Oiling port
(Type: Sprocket nose)
Grease the nose sprocket from the feeding port on the tip of the bar.
(Z19): (1) Grease port (2) Sprocket
The bar rail should always be a square. Check for wear of the bar rail. Apply a ruler to the bar and the outside of a cutter. If a gap is observed between them,
the rail is normal. Otherwise, the bar rail is worn. Such a bar needs to be corrected or replaced.
(Z20): (1) Ruler, (2) Gap, (3) No gap. (4) Chain tilts
Sprocket (Z21)
Check for extensive wear, and replace it when the teeth are worn over 0.3 mm.
(1) Sprocket
Saw chain
Warning: It is very important for smooth and safe operation to keep the cutters always sharp.
Your cutters need to be sharpened when:
Sawdust becomes powder-like.
You need extra force to saw in.
The cut way does not go straight vibration increases.
Fuel consumption increases.
Transmission
The reduction gears are lubricated by angled transmission grease in the transmission.
Supply new grease every 25 hours of use or more often depending on the job condition.
When adding lubricant, use a grease gun to insert lubri cant into the three grease nipples located on the trans mission.

Troubleshooting

Case 1. Starting failure
Check
Fuel tank
Fuel filter
Carburettor adjustment screw
Sparking (No spark)
Spark plug
Case 2. Engine starts but does not keep running/hard restarting
Fuel Tank
Carburettor adjustment screw
Muffler, cylinder (exhaust port)
Air cleaner
Cylinder fin, fan cover
When your unit seems to need further service, please consult with our service shop in your area.
16
Possible causes
Incorrect fuel
Fuel filter is clogged
Out of normal range
Spark plug is faulty/wet, plug gap is incorrect
Disconnected
Incorrect fuel or staled fuel
Out of normal range
Carbon is built up
Clogged with dust
Clogged with dust
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Action
Drain it and use correct fuel
Clean
Adjust to normal range
Clean/Dry, correct (gap: 0.6-0.7mm)
Re-tighten
Drain it and use correct fuel
Adjust to normal range
Wipe away
Wash
Clean