2. Inspection and Adjustment
17
(7) Check the leakage of water, lube oil and fuel.
Brfore and after starting the engine, check the leakage of cooling water and seawater from cooling water
system. Also check the leakage of lube oil and fuel.
(8) Check/adjust the remote control operation
Make sure that the accelerator of a boat can be operated smoothly before starting the engine. If it feels
heavy to manipulate, lubricate the accelerator cable joints and pivots. Adjust the accelerator cable if
there is a dislocation or excessive play between the accelerator and the governor lever.
2.2.2 inspection after initial 50 hours or one month operation
Be sure to check the following points after initial 50 hours or one month operation, whichever comes first.
(1) Drain the fuel tank
1) Put a pan under the drain cock to catch the fuel.
2) Open the drain cock and drain off any water or dirt
collected.
3) When the water and dirt are drained off and the
fuel comes out, close the drain cock.
(2) Replace the engine lube oil and the lube oil
filter.
During the operation of an engine, the oil is quickly
contaminated due to the initial wear of internal parts.
The lubricating oil must therefore be replaced early. It is
easiest and most effective to drain the engine
lubricating oil after operation while the engine is still
warm.
Replace the lubricating oil filter at the same time.
Beware of oil splashes if extracting the Lubricating oil while it is hot
1) Remove the lubricating oil dipstick and also the oil
filler cap at the top of the rocker arm cover. Attach
the oil drain pump to the dipstick guide and drain
off the lube oil.
[Notice]
For easier draining, remove the oil filler cap (yellow)
at the top of the rocker arm cover.
When lubricating oil is absorbed without removing a
oil filler cap, negative pressure grows big in the
crankcase and it may cause the rubber of the
diaphragm cracked.
2) Turn the lubricating oil filter counter-clockwise
using a filter wrench to remove it.
No. Inspection Item
(1) Drain the fuel tank
(2) Replace the engine lube oil and the lube oil filter
(3) Replace the marine gear lube oil
(4) Adjust the tension of the alternator driving belt
(5) Adjust the intake/exhaust valve clearance
(6) Check/adjust the remote control operation
(7) Adjust the propeller shaft alignment
To engine
Fuel pipe
Sediment
Drain cock
Dipstick guide
Lube oil filter
Filter wrench
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