UD Trucks QUESTER Series, Руководство пользователя

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3. EQUIPMENT DESCRIPTION AND OPERATION
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Engine protection
E n g i n e p r o t e c t i o n c o n t r o l s t h e
functions used to protect the engine
f r o m d a m a g e . W h e n a c r i t i c a l
condition arises (coolant temperature
too high, low coolant level, etc.), the
engine may temporarily restricted to
protect the driveline.
The following are monitored:
• High engine coolant temperature
• Low engine coolant level
• Low engine oil pressure
• High engine over-speed
• Air filter, low pressure
• Low pressure fuel filter
W h e n a m o n i t o r e d c o m p o n e n t /
function nears the critical state, the
driver is warned by caution lamp,
t e x t a n d / o r b u z z e r. T h e d r i v e r
warning is activated. Driver warnings
are shown to the driver only when
t h e d r i v e r c a n t a k e a n c o r r e c t i v e
a c t i o n , o t h e r w a r n i n g s w i l l b e
suppressed.
The actions that can be taken by the
system when engine protection is
activated are:
• Light yellow caution lamp turned
on
• Light red stop lamp turned on
• Reduce maximum torque
• Reduce maximum engine speed
• Reduce maximum road speed
• Force the engine to idle after
certain time
• Shutdown the engine after
c e r t a i n t i m e ( v e h i c l e i s
stationary).