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Makita EW120R Manual

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EN
3. INSPECTING THE SPARK PLUG
(See Fig.
77
77
7
-
qq
qq
q)
Clean off carbon deposits on the spark plug electrode using a plug cleaner or wire brush.
Check electrode gap. (See Fig.7 q q)
Adjust the gap, if necessary, by carefully bending the side electrode.
Use a proper spark plug
2. PERIODIC INSPECTION
Periodic maintenance is vital to the safe and efficient operation
of your product.
Check the table below for periodic maintenance intervals. The
below chart is based on the normal product operation
schedule.
Replace rubber pipes for fuel passage every two
years. If fuel leakage is found, replace the pipe
immediately.
CAUTION
Maintenance Items
Every
1000
hours
Every
500
hours
Every
200 hours
(Monthly)
Every
50 hours
(Weekly)
Every
8 hours
(Daily)
Clean pump set and check bolt and nuts
(Daily)
(Every 2 years)
Check and refill engine oil
Change engine oil (*Note 1)
Clean spark plug
Clean air cleaner
Replace air cleaner element
Clean fuel strainer
Remove carbon from cylinder head
(*Note 2)
Check and adjust valve clearance
(*Note 2)
Clean and adjust carburetor (*Note 2)
Replace fuel lines
*NOTE: 1. Initial oil change should be performed after first twenty (20) hours of operation.
Thereafter change oil every hundred (100) hours.
Before changing oil, check for a suitable way to dispose of old oil.
Do not pour it down into sewage drains, onto garden soil or into open streams. Your local zoning
or environmental regulations will give you more detailed instructions on proper disposal.
*NOTE: 2. As to the procedures for these items, please refer to the SERVICE MANUAL or consult your
nearest Makita service dealer.
Overhaul engine (*Note 2)
Clean and adjust spark plug and electrodes
Replace spark plug
Periodic Maintenance Schedule table
Check for leakage from hoses and fitting
(Daily)
(Refill daily up to upper level)
(Initial
20 hours)
(Every
100 hours)
Electrode gapModel
EW120R 0.7 to 0.8 mm
EW220R
EW220ST
EW320R
EW220TR
EW320TR
0.6 to 0.7 mm
Type
NGK CMR6A
NGK BR-6HS
… 28 …


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