69
吁尧maintenance
(玉) Daily maintenance
(域) 1
st
class maintenance
(芋) 2
nd
class maintenance
(郁) Seasonal maintenance
(吁)Items to notice in breaking-in period
negative temperature coefficient and
its resistance decreases with the in鄄
crease of water temperature, which
change current going by it. Don爷t re鄄
place the sensor for one with positive
temperature coefficient, or the water
temperature gauge will not work cor鄄
rectly.
3. Oil pressure alarm device
Oil pressure alarm device is a switch
closed in usual time. It will be
opened when oil pressure reaches or
is over the lowest pressure, the cir鄄
cuit is disconnected and the indica鄄
tor goes out.
68
HFC1045
series trucks