Hose Flush - Graco ToughTek MP Series Operation

Hose Flush

1. Attach hose to the water pump system bypass outlet
(HH).
2. Open the water pump outlet ball valve and press the
water pump button (Z). Run until heavy sediment
has been flushed and clean water begins to exit the
hose outlet.
3. Press the water pump button (Z) to stop dispensing
and close the ball valve.
4. Remove the remaining material in the hoses with a
a hose clean-out ball:
a. Place the hose outlet into a waste container.
b. Remove the hose inlet from the water pump out-
let and place a hose clean-out ball within the
hose inlet. The ball must be wetted down before
inserting. If using a 1 in. (25 mm) whip hose,
begin with the smallest clean-out ball.
3A4789E
c. Reattach the hose to the water pump system
bypass outlet (HH), open the ball valve, and
press the water pump button (Z) to resume
flushing the hose.
d. The hose clean-out ball will be pushed out of
the hose after several minutes. Once the ball is
pushed through the hose, press the water pump
button (Z). Repeat until all sediment is removed
from the hose.
e. If using a 1 in. (25 mm) whip hose, remove the
hose and transition fitting and repeat the pro-
cess using the large clean-out ball on the
remaining hoses. Once the ball is pushed out,
stop the water pump. Insert the large clean-out
ball and flush the hose repeatedly until sedi-
ment is removed from the hose. Then reattach
the transition fitting and whip hose.
5. Turn the main power disconnect switch (T) to OFF.
6. Dispose of all waste material in accordance with
local rules and regulations. See manufacturer SDSs
for additional information.
Operation
17