TOHATSU VE 1000 Betriebsanleitung Seite 59

In order to avoid the occurrence of air poc ets, connect the suc-
NOTE
tion hose to the pump so that the pump is above the hose on a
upward location.
If there is unevenness on the suction hose connected to the
pump, air will be trapped in the hose. In this case, the pump may
not be able to discharge the water when you open the discharge
valve by the air in the hose.
In this case, open the discharge valve and operate the vacuum
pump for 3 to
charged.
. Adjust the water volume and pressure using the
throttle dial.
Performing rela ed
1. etermine the pump pressure in consideration of
the water discharge pressure no
hose pressure loss, and height loss.
ump pressure
friction loss
2. oreign materials such as dirt, gravel, iron rust, etc.
may have intruded into a re hydrant. Before con-
necting a hose, open a fire hydrant to discharge
water in order to remove foreign materials.
PRIME AND DISCHARGE
9
seconds until the water is continuously dis-
ater suppl hen suc ing
le pressure ,
needed pressure
41
ater from re h drant
height loss
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