Makita EK7650H Owner's And Safety Manual page 29

(ii) Dust bag filter (Dust bag)
(iii) Paper filter (Air filter)
(3) Ignition System
(i) Spark Plugs.
(ii) Magneto or electronic ignition system.
(iii) Spark advance/retard system.
(4) Miscellaneous Items Used in Above Systems
(i) Hoses, Sealing gaskets, belts, connectors, and assemblies.
Makita USA, Inc will furnish with each new engine written instructions for the maintenance and use of the engine by the owner.
(e) MAINTENANCE STATEMENTS
It is your responsibility to have all scheduled inspection and maintenance services performed at the times recommended in the 2007 and
later Owner's Manual and to retain proof that inspection and maintenance services are performed at the times when recommended. Makita
USA, Inc will not deny a warranty claim solely because you have no record of maintenance; however, Makita USA, Inc may deny a warranty
claim if your failure to perform required maintenance resulted in the failure of warranted part. The proof, which you maintain, should be given
to each subsequent owner of the engine. You are responsible for performing the scheduled maintenance described below based on the
procedures specified in the 2007 and later Owner's Manual. The scheduled maintenance below is based on the normal engine-operating
schedule.
PROCEDURE
1) Clean engine and check bolts and nuts. Retighten if
necessary.
2) Check and refill engine oil up to upper limit (4 stroke
engine only).
3) Change engine oil (4 stroke engine only).
4) Check clogging of cooling air passage and cylinder
fins. Remove and clean if necessary.
5) a. Clean or replace foam plastic filter (Prefilter).
b. Clean or replace dust bag filter (Dust bag).
c. Clean or replace paper filter (Air filter).
6) Check spark plug. Clean and adjust if necessary.
7) Check muffler exhaust outlet. Clean if necessary.
8) Check fuel filter. If clogged, replace with new one.
9) Adjust valve clearance, if applicable (4 stroke engine
only).
10) Replace fuel lines.
11) Clean and inspect the complete engine. Replace any
damaged or worn out parts.
12) Replace packings and gaskets with new ones.
(OPERATION TIME)
Daily Weekly
Every 8 hours Every 20 hours
Initial 20 hours and every 30 hours afterward
Every reassembling
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INTERVAL
Monthly
Every 50 hours Every 200 hours
Yearly