Maintenance And Storage - Subaru EX35 Service Manual

18.MAINTENANCE AND STORAGE

The maintenance jobs described below apply to correct use of the engine under normal conditions.
The maintenance intervals mentioned in this section are not a guarantee that no maintenance is required
during those intervals.
For example, when the engine is used in dusty conditions, the air cleaner should be cleaned every day, rather
than every 100 hours.
18-1 DAILY MAINTENANCE (EVERY 8 HOURS OF USE)
MAINTENACE ITEMS
(1) Clean dust from engine.
(2) Check for fuel leakage. Tighten or replace parts,
if necessary.
(3) Check all parts are securely fastened. Tighten,
if necessary.
(4) Check oil level and add up to full mark.
(5) Check that the air cleaner element is clean.
Clean or replace, if necessary.
18-2 INSPECTION AND MAINTENANCE AFTER THE FIRST 20 HOURS
MAINTENACE ITEMS
(1) Change the crankcase oil.
18-3 INSPECTION AND MAINTENANCE EVERY 100 HOURS (EVERY 10 DAYS)
MAINTENACE ITEMS
(1) Change the crankcase oil.
(2) Clean the air cleaner.
(3) Inspect the spark plug. Clean with gasoline or
polish with sandpaper if dirty.
18-4 INSPECTION AND MAINTENANCE EVERY 100 TO 200 HOURS (EVERY MONTH)
MAINTENACE ITEMS
(1) Clean the fuel strainer and fuel tank.
(2) Change the air cleaner element.
(3) Clean and adjust the spark plug electrode.
REASON / REMARKS
(1) Dust can impair operation of various parts.
Governor linkage is especially sensitive to dust.
(2) Uneconomical and dangerous.
(3) Looseness can result in vibration and accidents.
(4) Running the engine with insufficient oil can result in
serious problems, including engine seizure.
(5) A clogged air cleaner can cause power loss and
malfunction.
REASON / REMARKS
(1) Sludge is deposited during running-in.
REASON / REMARKS
(1) Contaminated oil quickens wear.
(2) A clogged air cleaner can cause engine
malfunction.
(3) A faulty spark plug can cause low power output
and poor starting performance.
REASON / REMARKS
(1) Contaminated fuel can cause engine malfunction.
(2) A clogged air cleaner can cause engine
malfunction.
(3) Cause low power output and poor starting
performance.
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