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PRODUCT DATA
JANUARY 2003
PRESSURE & TEMPERATURE
MONITORING
A low pressure switch is located in each
of the outboard quill assemblies, and an
oil temperature warning switch is located
i n t h e m a i n o i l m a n i f o l d. I f e i t h e r l o w
pressure switch senses transmission oil
p r e s s u r e b e l o w 3 0 P S I G , o r i f t h e
temperature switch senses temperature
a b o v e 1 1 0 ° C, t h e n t h e R E D w a r n i n g /
caution indication XMSN OIL (along with
the MASTER CAUTION light) in the IIDS
is illuminated. An oil temperature bulb ,
and an oil pressure transducer provide
temperature and pressure signals to the
IIDS.
S i x c h i p d e t e c t o r s a r e l o c a t e d i n t h e
transmission to provide both warning and
d i a g n o s t i c i n f o r m a t i o n . T h e t w o u p p e r
detectors monitor the upper mast bearings
and the planetary gears and bearings.
C h i p c o l l e c t o r s p r e v e n t s e c o n d a r y
c o n t a m i n a t i o n o f t h e t r a n s m i s s i o n a n d
isolate sources of debris. The four lower
detectors monitor the left and right input
gears, freewheeling units, lower mast
bearings and sump / pump inlet. The four
lower detectors are installed in self closing
f i t t i n g s, t o p r e v e n t o i l s p i l l a g e w h e n
r e m o v e d f o r i n s p e c t i o n . T h e d e t e c t o r s
interface with the CDPU and IIDS to provide
chip indications, "FUZZ BURN" control, and
continuous continuity test of the system
circuits.
CHIP DETECTION
Содержание BELL 430
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