35
MAINTENANCE AFTER OPERATION
Drain Water
1. Open the drain valve and drain all the water in the pump.
Do not leave the water in the pump.
2. Close the drain valve for next operation.
Check Suction Performance.
After the drainage of all the water from the pump,
1. Confirm the drain valve is closed.
2. Install the suction port cap.
Prepare the suction port cap that is
Suitable for the suction coupling.
3. Set the throttle dial at the ” START ” position, start the
engine, and lift the priming lever to produce a vacuum.
(within 30 seconds)
4. After a vacuum is generated, return the priming lever to
the original position immediately, and stop the engine.
5. Check the vacuum pressure of the pressure gauge for
suction is below -0.08MPa (-12 psi).
6. In order to check that there is no vacuum leak, leave it for
30 seconds and confirm that the pointer of the pressure
gauge for suction keeps the same pressure indicated.
7.Open the drain valve slowly to expose it to the
atmosphere, and check that the pointer of the pressure
gauge for suction returns to “0”.
8. Close the drain valve again.
10
１
１
２
２
３
３
４
４
５
５
６
６
７
７
８
８
９
９
10
10
11
11
12
12
13
14
15
16
17
18
13
14
15
16
17
18
