Yanmar 4LHA-HTP Operation Manual page 665

Chapter 9 Electrical System
6. Warning Devices
Lube oil pressure sender unit
Damper
PT 1/8.
T=
:
6-4 Sender unit for the cooling water temperature
gauge
The water temperature sender unit has a mounting seat
for mounting on the fresh water pump unit. Water tem-
perature is measured when the cooling water flows into
the thermostat housing after leaving the cylinder head.
Type
Rated voltage
Part code No.
M5 x P0.8
» 8
1 »
01 (0.0393)
Thermistor switch
12V/24V
144626-91570
82.4 (3.2440)
PTI (8
Type
Rated voltage
Max. operating pressure
Part code No.
4LHA Serie
mm (in.)
(0.5511
Resistance switch
IDC 12/DC 24
0.78 (8) M P a (kgf/cm)
144626-91560
Cooling water
temperature
sender unit