Dolmar PB-250.4 - Manual (Page 59)

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(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 war-
ranty claim solely because you have no record of maintenance; however, Dolmar may deny a war-
ranty 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