DESCRIPTION AND OPERATION
Page 77
The Centri-Max
®
ULTRA was used from the start
of ASET™ engine production through mid-2003
and the Centri-Max
®
ULTRA PLUS from
mid-2003 through present. The ULTRA PLUS
unit has a smaller diameter spindle and
redesigned rotor to provide a significant
improvement in efficiency. For easy identification,
the ULTRA PLUS rotor is black, whereas the
ULTRA rotor is cream-colored.
The ULTRA PLUS filter was introduced in a
one-piece spindle configuration and later in a
two-piece configuration. The two-piece spindle
configuration is the current standard. Both
versions of the ULTRA PLUS, as well as the
ULTRA configuration, are shown in Figure 92.
92
Figure 92 — Centri-Max
®
ULTRA and ULTRA PLUS Configurations
5-111.bk Page 77 Monday, July 10, 2006 2:26 PM
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