© 2022 Pierce Manufacturing Inc. All Rights Reserved. Husky 3 Foam System / 3-5
OPERATION
NOTE: The Manual Flush Mode is only for use when additional flush time is desired, such as after switching
between types and / or brands of foam.
1. Move Foam Tank/Draft handle UP to the Draft position.
2. Connect the flexible pick up hose to the contector on the panel and position pick up tube in a bucket of clean
water.
3. Flow water out of discharge(s) that were used during the foaming operation.
4. Turn system ON and use the INC % or DEC % buttons to set the percentage to 3.0.
5. Open foam pump discharge drain until clean water is discharging to ground.
6. Open manifold drain until clean water is discharging to ground.
7. Continue flowing water out of discharge(s) until clean water is flowing out of all open discharges.
8. Shut system OFF.
9. Open foam pump drain(s) to drain excess water from foam pump and piping.
10. Close foam pump drain(s).
11. Clean the flexible pick up hose assembly and place in storage compartment.
12. Recharge system with on-board tank agent.
3-2.3 Flushing After Drafting Class A Foam
1. If the same type and brand of foam as in the on-board tank was used:
a. Turn the system OFF and flow water through the discharges that were used until the presence of bubbles
is minimal.
b. Clean the flexible pick up hose assembly and place in storage compartment.
2. If a different type or brand of foam was used other than what was in on-board tank, perform Para 3-2.2, Manual
Flush Mode.
3-2.4 Flushing After Drafting Class B Foam
1. Continue flowing though all foam discharges that were used.
2. Perform Para 3-2.2, Manual Flush Mode.
Water must be flowing through an open foam discharge OR open manifold drain to give the flush
solution somewhere to go.
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