Dolmar PB-251.4 - Manual (Page 62)

(4) Miscellaneous Items Used in Above Systems
(i) Hoses, Sealing gaskets, belts, connectors, and assemblies.
Dolmar 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. Dolmar
will not deny a warranty claim solely because you have no record of maintenance; however,
Dolmar 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 INTERVAL
1) Clean engine and check bolts and nuts.
Retighten if necessary.
:Every 8 hours(daily)
2) Check and refill engine oil (4stroke
engine only)
:Every 8 hours(refill daily up to upper limit)
3) Change engine oil (4stroke engine only) :Initial 20 hours and every 50 hours
afterward
4) Check clogging of cooling air passage
and cylinder fins. Remove and clean if
necessary.
:Every 8 hours (daily)
5) Clean air cleaner. :Every 8 hours (daily)
6) Check spark plug. Clean and adjust if
necessary.
:Every 8 hours (daily)
7) Check muffler exhaust outlet(or port).
Clean if necessary.
:Every 50 hours (monthly)
8) Check fuel filter. If clogged, replace with
new one.
:Every 50 hours (monthly)
9) Adjust valve clearance, if applicable
(4stroke engine only).
:Every 200 hours (yearly)
10) Replace fuel lines. :Every 200 hours (yearly)
11) Clean and inspect the complete engine.
Replace any damaged or worn out parts.
:Every 200 hours
12) Replace packings and gaskets with new
ones.
:Every reassembling
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