Mitsubishi Heavy Industries S4S, Service Manual

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INTRODUCTION
II
Terms used in this manual
Nominal
means the rated (design) size or magnitude of a part to be measured.
Standard
means the quantitative requirement for dimension of a part, clearance between parts and performance. This is given in a form of
tolerance. Therefore, the values shown are not in agreement with the design values.
Limit
means that, if this value is reached, the part must be repaired or replaced with a new part.
Abbreviations
• BTDC: Before Top Dead Center
• ATDC: After Top Dead Center
• BBDC: Before Bottom Dead Center
• ABDC: After Bottom Dead Center
• TIR: Total Indicated Runout
• API: American Petroleum Institute
• ASTM: American Society for Testing and Materials
• JIS: Japanese Industrial Standards
• LLC: Long Life Coolant
• MIL: Military Specifications and Standards (U.S.A)
• MSDS: Material Safety Data Sheet
• SAE: Society of Automotive Engineers (U.S.A)
Units of measurement
Measurements are based on the International System of Units (SI), and their converted metric values are indicated in
parentheses {}. For metric conversion, the following rates are used.
• Pressure: 1 MPa
＝
10.197 kgf/cm²
• Torque: 1 N·m
＝
0.10197 kgf·m
• Force: 1 N = 0.10197 kgf
• Horsepower: 1 kW = 1.341 HP = 1.3596 PS
• Meter of mercury: 1 kPa = 0.7 cmHg
• Meter of water: 1 kPa
＝
10.197 cmH
2
O (cmAq)
• Rotational speed: 1min
-1
＝
1 rpm