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Maintenance Items
Every
8 hours
(Daily)
Every
50 hours
(Weekly)
Every
200 hours
(Monthly)
Every
500
hours
Every
1000
hours
CLEAN ENGINE AND CHECK
BOLTS AND NUTS
(Daily)
CHECK AND REFILL ENGINE OIL
CHANGE ENGINE OIL (*Note 1) (Initial 20 hours)
CLEAN SPARK PLUG
CLEAN AIR CLEANER
REPLACE AIR CLEANER ELEMENT
CLEAN FUEL CUP
CLEAN AND ADJUST SPARK PLUG AND
ELECTRODES
REPLACE SPARK PLUG
REMOVE CARBON FROM
CYLINDER HEAD (
*
Note 2)
CHECK AND ADJUST VALVE
CLEARANCE (*Note 2)
CLEAN AND ADJUST CARBURETOR (*Note 2)
REPLACE FUEL LINES
(yearly)
OVERHAUL ENGINE IF NECESSARY (*Note 2)
6. MAINTENANCE
(See Fig.
55
55
5)
STOPPING ENGINE WITH THE FUEL COCK
Close the fuel cock and wait for a while until the engine stops.
Avoid to let the fuel remain in the carburator over long periods,
or the passages of the carburator may become clogged with
impurities, and malfunctions may result.
MAINTENANCE, REPLACEMENT OR REPAIR OF
THE EMISSION CONTROL DEVICES AND
SYSTEMS MAY BE PERFORMED BY ANY
NONROAD ENGINE REPAIR ESTABLISHMENT OR
INDIVIDUAL.
1. DAILY INSPECTION (See Fig.
55
55
5
-
qq
qq
q)
Before running the engine, check the following service items.
q Loose or broken bolts and nuts
w Clean air cleaner element
e Enough clean engine oil
r Leakage of gasoline and engine oil
t Enough gasoline
y Safe surroundings
u Excessive vibration, noise
The emission control system consists of the following parts :
(1) Carburetor and internal parts
(2) Cold start enrichment system, if applicable
(3) Intake manifold, if applicable
(4) Air cleaner elements
(5) Spark plug
(6) Magneto or electronic ignition system
(7) Spark advance/ retard system, if applicable
(8) Exhaust manifold, if applicable.
(9) Hoses, belts, connectors, and assembles
The maintenance schedule indicated in the following table is
based on the normal engine operation.
Should the engine be operated in extremely dusty condition
or in heavier loading condition, the maintenance intervals must
be shortened depending on the contamination of oil, clogging
of filter elements, wear of parts, and so on.
2. PERIODIC INSPECTION
Periodic maintenance is vital to the safe and efficient operation
of your engine.
Check the table below for periodic maintenance intervals.
IT IS ALSO NECESSARY FOR THE USER OF THIS ENGINE
TO CONDUCT THE MAINTENANCE AND ADJUSTMENTS
ON THE EMISSION-RELATED PARTS LISTED BELOW TO
KEEP THE EMISSION CONTROL SYSTEM EFFECTIVE.
*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 Robin
service dealer.
Periodic Maintenance Schedule table
(Every 100 hours)
(Refill daily up to upper level)