5. About the engine
72
Tightening torque
Tightening Torque of Main Parts
Main Parts
Screws
(Diameter X Pitch)
Strength
Tightening Torque
(kgf·m)
Cylinder block & bedplate
Bedplate bolt M8 x 1.25 8.8T 2.2 ± 0.22
Screw plug (PT) PT 3/8 - 6.5 ± 0.5
Coolant drain plug M12 x 1.5 - 5 ± 0.5
Oil spray nozzle valve M10 x 1.25 - 2 ± 0.2
Flywheel housing bolt M10 x 1.5 10.9T 6.2 ± 0.62
CRS V pulley bolt M16 x 1.5 12.9T 21 ± 2.1
Flywheel bolt (43 mm, option) M12 x 1.5 10.9T 1st: 7 ± 0.35 / 2nd: 45° ± 4°
Flywheel bolt (25 mm, option) M12 x 1.5 12.9T 17 ± 0.85
Head cover bolt (LH,RH) M6 x 1.0 8.8T 0.8 ± 0.05
Head cover bolt (Main) M6 x 1.0 8.8T 0.8 ± 0.05
Injector mounting bolt (Socket) M8 x 1.25 12.9T 4.35 ± 0.35
Thermostat mounting spacer bolt M8 x 1.25 8.8T 2.2 ± 0.22
Thermostat plug UNF 3/4 - 16 - 1.75 ± 0.25
Oil pan drain plug UNF 3/4 - 16 - 3 ± 0.3
Glow plug body M8 x 1.0 - 1.05 ± 0.15
Glow plug terminal M4 x 0.7 - 0.275 ± 0.03
Turbocharger oil supply screw M10 x 1.0 - 1.9 ± 0.1
Turbocharger mounting nut M10 x 1.25 10.9T 6.2 ± 0.6
Water pump mounting nut M8 x 1.25 - 2.2 ± 0.22
Rocker arm adjustment hex nut M12 x 1.0 8.8T 5.0 ± 0.5
Camshaft thrust washer bolt M8 x 1.25 10.9T 3.1 ± 0.31
Rocker arm bracket bolt M10 x 1.5 10.9T 6.2 ± 0.62
PTO housing bolt M10 x 1.5 12.9T 4.4 ± 0.44
HP pump mounting nut M8 x 1.25 - 2.2 ± 0.22
Alternator nut M8 x 1.25 - 2.2 ± 0.22
Alternator bolt M8 x 1.25 8.8T 2.2 ± 0.22
Starter nut M10 x 1.5 - 4.4 ± 0.44
Idler pulley assy. bolt M10 x 1.5 - 4.5 ± 0.5
Fuel hose bracket bolt M12 x 1.75 8.8T 5.5 ± 0.55
Drive type clamp - - 0.525 ± 0.03
Band clamp (DOC & SCR) - - 1.4 ± 0.1
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