MAYEKAWA 4M - Assembly of the Flywheel; Assembly of the Mechanical Lock; Assembly of the Oil Cooler Piping;Water Cooled Type Oil Cooler

Reciprocating Compressor M Series
5-9
5.5.1.5 Attentions for Attaching the Mechanical lock
z Do not use the grease containing molybdenum disulfide and the oil containing
extreme-pressure agent when attaching the mechlock.
z Always wipe off the grease and foreign materials on the surface of the crankshaft
axis and the joint surface of the flywheel before attaching the mechlock.
1. Align the end surface of the crankshaft (a) with
the flywheel (b).
2. Tighten the mechanical lock screws using a torque
wrench.
Specified torque: 78.5 N•m
1) Tighten the mechlock screws in the diagonal
order to approx. quarter of the specified
torque.
2) Tighten the mechanicallock screws in the diagonal order to approx. half torque of the specified
torque.
3) Tighten the mechanical lock screws in the circumferential order to the specified torque.
5.5.1.6 Attaching the Oil Cooler Piping/Water Cooled Type Oil Cooler
1. Attach the water cooled type oil cooler, and
temporarily tighten the nuts (b) of the cooler.
2. Attach the oil cooler piping.
3. Fully tighten the nuts (b) of the water cooled type
oil cooler.