Selection Of Oil Viscosity; Handling Engine Oil - Mitsubishi S6R2 Operation & Maintenance Manual

Bubbling test
*2
Panel caulking test
*3
*1 It must have been certified API service classification CF by 2009.
*2 Temperature of test I (24°C [75.2°F]), Temperature of test II (93.5°C [200.3°F]), Temperature of test III (24°C
[75.2°F] after 93.5°C [200.3°F])
*3 Temperature of aluminum panel: 300°C [572°F] and 325°C [617°F]
Temperature of engine oil: 100°C [212°F]
Splatter time: 15 seconds
Downtime: 45 seconds
Test time: 8 hours
the properties are the weight of solid product.

Selection of Oil Viscosity

Use the following chart to select the appropriate oil
viscosity according to the ambient temperature.
Excessively high oil viscosity causes power loss and
an abnormal rise of oil temperature, while excessively
low oil viscosity accelerates wear due to inadequate
lubrication, and also causes a decrease in engine out-
put due to leakage of combustion gas.

Handling Engine Oil

Before filling the engine with engine oil, stop the engine and make sure there are no open flames and other fire
hazards near the engine. Leaked or spilled oil on hot surfaces or electrical components can cause a fire. Wipe off
any spilled oil immediately and thoroughly. After filling oil, securely close the filler cap.
When handling a large amount of engine oil more than the legally specified quantities, be sure to have the work per-
formed by a service station operated under the provision of the law. When removing oil from the engine or oil can,
use an oil pump. Do not suck oil using you mouth and a pipe.
Be sure to close the cap on the oil can after use.
Keep oil in a well-ventilated place and out of direct sunlight.
Be sure to obtain the MSDS of the engine oil and follow the instructions of the MSDS.
Table 5-1 Recommended Limit of Engine Oil Properties
Item
I
II
III
300°C
[572°F]
325°C
[617°F]
Unit Recommended limit
10/0
mL 30/0
10/0
140 or lower
mg
300 or lower
-30 -20 -10 0
Temperature
[-21] [-4] [14] [32]
°C [°F]
SAE10W
Engine oil
viscosity
SAE15W-40
Fig. 5-2 Selection of Oil Viscosity
Chapter 5 ENGINE OIL
Test method
JIS K 2518
ISO 6247
FED791-3462
10 20 30 40 50
[50] [68] [86] [104] [122]
SAE30
SAE40
5-3