Periodic Inspection And Maintenance Procedure; Check Before Starting - Yanmar 3JH4E Service Manual

2. Inspection and adjustment
2.2 Periodic inspection and
maintenance procedure

2.2.1 Check before starting

Be sure to check the following points before starting
an engine every day.
No. Inspection item
(1) Visual inspection of engine outside
(2) Check the fuel level, and refill
(3) Check the lube oil level (Crankcase/Marine gear)
(4) Seawater outlet
(5) Check cooling water level
(6) Check the alarm lamps and devices
(7) Check the leakage of water, lube oil and fuel.
(8) Check/adjust the remote control operation
(1) Visual inspection of engine outside
If any problem is found, do not use before the
engine repairs have been completed.
• Oil leakage from the lubrication system.
• Fuel leakage from the fuel system.
• Cooling water leakage from the cooling
water system.
• Damaged parts.
• Loosened or lost bolts.
• Fuel, coolant tank rubber hoses, V belt
cracked, loosened clamp.
(2) Check the fuel level, and refill
Check the remaining fuel oil level in the fuel
tank and refuel the recommended fuel if
necessary.
(3) Check the lube oil level (Crankcase/
Marine gear)
1) Checking engine lube oil level
a) Check the lube oil level of a engine with a
dipstick. Insert the dipstick fully and check
the oil level.
contaminated heavily and have appropriate
viscosity. No cooling water or diesel fuel
shall be mixed.
Standard
The level shall be between the upper and lower
limit lines on the dipstick.
b) If the remaining engine oil level is low, fill
the oil pan with the specified engine oil to
the specified level through the filler port.
The oil shall not be
54
Filler port
Rocker arm cover
Dipstick
Upper limit
Lower limit
008409-01E