GENERAL SERVICE INFORMATION
TNV IDI Service Manual
4-15
Engine Oil
ENGINE OIL
NOTICE
• Only use the engine oil specified. Other engine
oils may affect warranty coverage, cause internal
engine components to seize and / or shorten
engine life.
• Prevent dirt and debris from contaminating the
engine oil. Carefully clean the oil cap / dipstick
and the surrounding area before you remove the
cap.
• NEVER mix different types of engine oil. This may
adversely affect the lubricating properties of the
engine oil.
• NEVER overfill. Overfilling may result in white
exhaust smoke, engine overspeed or internal
damage.
Engine Oil Specifications
Use an engine oil that meets or exceeds the
following guidelines and classifications:
Service Categories
• API Service Categories CD, CF, CF-4 and CI-4
• ACEA Service Categories E-3, E-4, and E-5
• JASO Service Category DH-1
Definitions
• API Classification (American Petroleum Institute)
• ACEA Classification (Association des
Constructeurs Européens d'Automobilies)
• JASO (Japanese Automobile Standards
Organization)
Note:
1. Be sure the engine oil, engine oil storage
containers, and engine oil filling equipment
are free of sediments and water.
2. Change the engine oil after the first 50 hours
of operation and then every 250 hours
thereafter.
3. Select the oil viscosity based on the ambient
temperature where the engine is being
operated. See the SAE Service Grade
Viscosity Chart
(Figure 4-5)
.
4. Yanmar does not recommend the use of
engine oil “additives.”
Additional Technical Engine oil
Requirements:
The engine oil must be changed when the Total
Base Number (TBN) has been reduced to 1.0
(mgKOH/g) test method; JIS K-201-5.2-2 (HCI),
ASTM D4739 (HCI).
Engine Oil Viscosity
Select the appropriate engine oil viscosity based on
the ambient temperature and use the SAE Service
Grade Viscosity Chart in
Figure 4-5
.
Figure 4-5
Checking Engine Oil
1. Make sure engine is level.
2. Remove dipstick
(Figure 4-6, (1))
and wipe with
clean cloth.
3. Fully reinsert dipstick.
4. Remove dipstick. The oil level should be
between upper
(Figure 4-6, (2))
and lower
(Figure 4-6, (3))
lines on the dipstick.
5. Fully reinsert dipstick.
-4°F
14°F
32°F
50°F
68°F
86°F 104°F
(-20°C) (-10°C) (0°C) (10°C) (20°C) (30°C) (40°C)
SAE 10W
SAE 20W
SAE 10W-30
SAE 15W-40
SAE 20
SAE 30
SAE 40
0000005A
SAE 20W - 50
122°F
(50°C)
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