Yanmar 3TNV Series, Service Manual

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2. Inspection and Adjustment
2.2.4 Inspection every 250 hours or 3 months
Be sure to check the following points every 250 hours or 3 months operation, whichever comes first.
No. Inspection Item
(1) Lube oil and filter replacement
(2) Radiator fin cleaning
(3) V-belt tension check
(4) Inspection and adjustment of governor lever and accelerator
(5) Air cleaner cleaning and element replacement
(1) Lube oil and filter replacement (The second replacement and after)
Replace the engine oil every 250 hours operation from 2nd time and on. Replace the engine oil filter
at the same time. Refer to 2.2.1.(1).
(2) Radiator fin cleaning
B eware of dirt from air blowing
Wear protective equipment such as goggles to protect your eyes when
blowing compressed air. Dust or flying debris can hurt eyes.
Dirt and dust adhering on the radiator fins reduce the
cooling performance, causing overheating. Make it a
rule to check the radiator fins daily and clean as
eeded. n
Blow off dirt and dust from fins and periphery with
compressed air [0.19MPa (2kgf/cm
2
) or less] not
to damage the fins with compressed air.
If contaminated heavily, apply detergent,
thoroughly clean and rinse with tap water shower.
IMPORTANT:
Never use high pressure water or air from close by
fins or never attempt to clean using a wire brush.
Radiator fins can be damaged.
(3) V-belt tension check (The second time and after)
Check and adjust the V-belt tension. Refer to 2.2.2(2)
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