Maintenance Schedule; Troubleshooting - Nakayama PM4810 Manual

EN

Maintenance Schedule

REGULAR SERVICE PERIOD(4)
ITEM
Perform at every indicated month or
operating hour interval, whichever
comes first.
Engine oil Check
Replace
Air cleaner Check
Replace
Spark plug Check-adjust
Replace
Flywheel brake Check
pad (A types)
Fuel tank and Clean
filter
Fuel tube Check
Valve clearance Check-adjust
Combustion Clean
chamber

Troubleshooting

ENGINE WILL NOT START
1. Check fuel.
2. Remove and inspect spark plug.
3. Take engine to an authorized our servic-
ing dealer, or refer to shop manual.
4. Push the prime button
ENGINE LACKS POWER
1.check air cleaner
2. Check fuel
3. Take engine to an authorized our ser-
vicing dealer, or refer to shop manual.
11
Before First
Each Month
Use or
5 Hrs
O
O
O
Every 2 years (Replace if necessary)
After every 200 hours
Possible Cause
Out of fuel.
Bad fuel; engine stored without treating or draining gasoline, of
refueled with bad gasoline
Spark plug faulty, fouled, or improperly gapped.
Spark plug wet with fuel (flooded engine).
Fuel filter clogged, carburetor malfunction, ignition malfunction,
valves stuck, etc.
In cold condition
Possible Cause
Air cleaner elements clogged.
Bad fuel; engine stored without treating or draining gasoline, of
refueled with bad gasoline.
Fuel filter clogged, carburetor malfunction, ignition malfunction,
valves stuck, etc.
WWW.NAKAYAMATOOLS.COM
Every 3 Every 6
Months Months
or or
25 Hrs 50 Hrs
O(2)
O
O
Every Every
Year Two
or Years
100 Hrs or 250 Hrs
O
O
O
O
Correction
Refuel
Drain the fuel tank and carburetor.
Refuel with fresh gasoline.
Replace the spark plug.
Dry and reinstall spark plug.
Replace or repair faulty components
as necessary.
Push the prime button.
Correction
Clean or replace air cleaner elements
Drain the fuel tank and carburetor. Refuel
with fresh gasoline.
Replace or repair faulty components as
necessary.