MSL MSF-390 - Torque Sequence and Tightening Values; Post-Operation Check Points

AIR COMPRESSOR MANUAL
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7-10 Torque sequence
￭ Tighten valve head and cylinder bolts/nuts equally in the sequence shown in
figuration.
Fig._09. TORQUE SEQUENCE
7-11 Tightening torque values
￭ Unless otherwise specified in text, the following torque values apply.
￭ All valve head screws require torque wrench tightening.
￭ The indicated torque values are valid for bolts in greased condition.
￭ Replace self-retaining nuts on reassembly.
BOLT TYPE BOLT SIZE MAX. TORQUE
HEXGON BOLT
M6 10 Nm
HEXGON BOLT
M8 25 Nm
HEXGON BOLT
M10 45 Nm
HEXGON BOLT
M12 75 Nm
HEXGON BOLT
M14 120 Nm
HEXGON BOLT
M16 200 Nm
7-13 Check Points after operation
￭ Open the drain valve after running to drain condensate
￭ Before changing compressor oil, make sure heating the compressor block by running
more than 5 min.