2202G1JE-DA-M-N_2010.01.
3 Installation
Reciprocating Compressor M Series 3.2 Installation Works
3-7
3.2.5.4 Centering of the Compressor/Driving Machine and Attachment of the
V-belt
To replace the V-belt with a new one, purchase the same set of belt as the current
one, and replace the whole set at once.
Even if their nominal dimensions are the same, their actual lengths may slightly
differ. In such case, operation force is applied only to the short belt. This may
cause wear of the belt and abnormal vibration.
Also, if old and new belts are used together, the difference of their wear amounts
may cause abnormal vibration.
V-belt should be free from machine oil and lubrication oil. If those oils adhere to
V-belt, wipe them off.
V-belts are set to proper tension on shipment of belt driven package during normal operation
belts will stretch and should be tightened to ensure long life of all drive parts.
Centering and Attachment of V-belt
If the compressor is with common base, centering is performed on the V-belt before shipment. However, check
the center again after installation.
1. String on the side of pulley to check that the refrigerating machine and the motor center core are parallel.
If the center core is not in the correct position, it accelerates wearing the belt due to high-speed rotation,
and shortens the life span of the compressor and motor by applying force to the bearings.
Fig. 3-2 Centering of V-belt
To Next Page
Loading...
