Figure 8-20.-Removing vanes for inspection and replacement.
irregularities, such as scoring, heat cracks, or gouging.
importance that ALL DEBRIS BE REMOVED. Chips
Damage to the rotor compartment usually means the
and other foreign matter left in the compressor will be
replacement of this part is necessary.
ingested into the lubrication system, causing further
Inspect the individual rotor vanes, look for
damage to the air control system and the compressor.
excessive wear, chipping, cracking, or breakage. Rotor
Following rotor vane breakage, flush the cylinder and
vanes worn beyond specifications set by individual
rotor with steam or high-pressure water. The oil tank or
manufacturers should be replaced (fig. 8-21). If the rotor
air receiver must be drained and flushed. Air and oil lines
vanes have broken in the compressor, it is of extreme
should be purged and entirely free of rotor vane chips.
Figure 8-21.-Rotor vane inspection.