Yanmar 3JH3E - 5-5 Specifications of sub tank; 5-6 Mounting the sub tank; 5-7 Precautions on usage of the sub tank

Chapter 6 Cooling Water System
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Subtanke!J
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30
Filler cap
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5-5 Specifications of sub tank
Overall capacity
Subtartk
capacity Full-scale positiOn
low-scale pasition
5-6 Mounting the sub tank
61
1120
1251 t
0,81 Q
0.21 Q
{1) The sub tank is mounted at approximately the same
height as the heat exchanger (fresh water tank).
(allowable difference in height : 300mm (11.8110 in.)
or less)
(2) The overflow pipe should be less than 1000mm
{39.370i in) long. and mounted so that it does not sag
or oend,
Sub lank
NOTE : Make sure that the overflow pipe of the sub tank is
not submerged in bilge
If the overflow pipe is sub-
merged in bilge, water in the bilge will be
siphoned into the fresh water tank when the wafer
is
being cooled.
Printed in Japan
HINSHr-H8009
6-11
5-7 Precautions on usage of the sub tank
(1) Check the sub tank when the engine is cool and refill
with fresh water as necessary to bring the water level
between the tow and fult marks,
(2) Check the overflow pipe and replace
if bent or cracked
Cfean out the pipe
if it is dogged up.