Husky-12 Foam Proportioning System

Front 1

How often should system maintenance be performed on the Husky-12?

Back 1

20 hrs of foam system operation

Front 2

Where is the manual flush drain valve located for the Husky-12 foam system?

Back 2

Under the driver side running board

Front 3

What maintenance should be done when a system maintenance message is received on a Husky-12?

Back 3

The foam and water stainers should be cleaned, and hydraulic oil changed.

Front 4

How is the Husky-12 hydraulic system activated?

Back 4

Automatically when the pump is engaged

Front 5

What type of filter does the hydraulic system use?and where is it located?

Back 5

Pressure bypass element-type filter located in the pump-house.

Front 6

What type of hydraulic cooler does the husky-12 system use?

Back 6

Oil-to-water type heat exchanger

Front 7

How is the foam supply valve opened?

Back 7

Automatically when the system is turned on.

Front 8

Of What is the hydraulic end of the pump made? And the foam end?

Back 8

Hydraulic- painted steel

Foam - brass

Front 9

On the husky-12 hydraulic pump, which is the inlet line and which is the pressure line?

Back 9

The larger line is the inlet from the tank and the smaller line is the pressure line that drives the foam pump.

Front 10

What is the capacity of the hydraulic reservoir for the Husky-12?

Back 10

Approx. 4 gallons

Front 11

At what level do you receive a warning message for the level of the foam concentrate tank?

Back 11

When the tank is below one quarter

Front 12

What type of pump is used for the foam concentrate?

Back 12

Double-acting cylinder pump

Front 13

The foam pump has a capacity of ____GPM with all types of foam concentrate.

Back 13

12

Front 14

Can the foam pump draw foam from external sources such as drums or pails?

Back 14

yes

Front 15

Foam discharges can be identified by what?

Back 15

Red and white discharge tags

Front 16

What does the water supply system do?

Back 16

Supplies water to the foam injection manifold for foam to be added and distributed.

Front 17

What are the manifold drains used for?

Back 17

To drain off water/pressure anytime the system is used.

Front 18

The control head microprocessor monitors what two things to ensure the proportion rate is accurate?

Back 18

-water flowmeter
-foam pump rate

Front 19

How does the foam pump prime?

Back 19

The pump is self priming

Front 20

the external foam pick-up consist of What?

Back 20

1-1”male connection w/ chrome cap integrated into a 2”strainer clean-out cap.

Front 21

What is on the external supply hose to prevent water from backing up and contaminating the foam supply?

Back 21

Foam check valve

Front 22

What measure the flow of water supplied to the foam/water discharges before the foam is injected?

Back 22

Water flow meter

Front 23

How does the operator interface with the foam system

Back 23

The foam system control head

Front 24

If the foam system is turned off, the display functions as a what?

Back 24

flowmeter

Front 25

What is the default foam setting on the Husky-12 system?

Back 25

Class a @ 0.3-5%

Front 26

What automatically occurs when switching from class a foam to class b foam, From tank or draft?

Back 26

An automatic 15 sec. flush

Front 27

When is the prime mode used?

Back 27

After filling the foam tanks to purge air or to fill the suction hose for drafting the foam.

Front 28

How do you begin to clean out the system after you have drafted both Class A or B foam?

Back 28

By drafting clean water through the suction hose

Front 29

How are the control head screens zeroed on scene?

Back 29

By push the up and down arrows at the same time and releasing.

Front 30

What are the 6 steps to activating the Husky-12 in class A mode w/ an on board tank?

Back 30

1. Engage water pump transmission
2. Recirculate water
3. Turn the system on
4. Begin flowing water, foam pump will activate.
5. use the arrow up/down buttons to change percentage.
6. when beginning the mop up phase, turn the system off; use the foam in the hose for mop up.

Front 31

What must be done for the automatic flush to work properly?

Back 31

A foam discharge or manifold drain must be open during the flush to give the solution somewhere to go.

Front 32

What button do you push to change the system over to draft Class B?

Back 32

By pushing the mode button until draft class b appears on the screen

Front 33

What are the 6 steps to using the priming system on the foam pump?

Back 33

1. Select the foam source.
2. Open the manifold drain ¼ turn
3. After the change over is complete, press mode until the prime mode screen appears, then enter.
4. Press and hold the enter button(a 2nd time). This will run the foam pump at 7gpm until the button is released.
5. Release the button when foam is discharged out of the manifold drain.
6. Allow water/foam solution to run out of the manifold drain until it is mostly clear of foam if unit is not immediately going to be

Front 34

In manual mode why must one discharge be open?

Back 34

If at least one discharge isn’t open the foam pump could charge the lines up to 300psi.

Front 35

In manual mode, the ____ flow rate will remain constant, even when actual _____ flow fluctuates.

Back 35

Foam; water

Front 36

Who should use the calibrate and setup modes?

Back 36

Should only be used by qualified personnel because these can adversely affect the system performance.

Front 37

Why should the foam system be periodically operated?

Back 37

To insure the system is operational and circulate the foam concentrate through the system.

Front 38

Should the water strainer be cleaned and inspected weekly or quarterly?

Back 38

weekly

Front 39

Why must class a and class b foams not be mixed in the system?

Back 39

It can cause a chemical reaction creating globules that can clog orifices and cause system failure.

Front 40

When is the only time use flowmeter will appear on the screen?

Back 40

By pressing the mode button when in manual mode.

Front 41

When in manual mode what returns the system to (normal) flowmeter control?

Back 41

Pressing mode until use flowmeter appears and pressing enter.

Front 42

Why must inspections and maintenance be done according to pierce manufacturing standards?

Back 42

Failure to comply with requirements will be considered grounds or conditions that may void the warranty.

Front 43

Should the foam strainer be cleaned and inspected weekly or quarterly?

Back 43

quarterly

Front 44

How do you know if the hydraulic oil tank is filled to the proper level?

Back 44

The glass sight gauge should be ¾ full.

Front 45

How do you know if it is time to change the hydraulic oil in the Husky-12 system?

Back 45

Compare it to previous samples and if degraded it needs to be changed.

Front 46

What prevents foam from entering the water pump and the remaining of the water system?

Back 46

In-line water check valve

Front 47

How often should the water pump drain be pulled?

Back 47

daily

Front 48

On a pump rating of 250 psi, what percentage of foam solution can be delivered at 200gpm?

Back 48

6%

Front 49

What should be checked on the annual inspection of the hydraulic system of the Husky-12?

Back 49

The hydraulic oil

Front 50

What type of hydraulic oil is recommended for use ?

Back 50

ISO 68 or equivalent.

Front 51

What controls the correct valves and directs the hydraulic fluid in order to get the proper injection rate of the foam?

Back 51

controller module

Front 52

What valve controls whether the foam tank is getting filled or its going into the injection system?

Back 52

Foam selector valve

Front 53

On a pump rating of 250 psi, what percentage of foam solution can be delivered at 4000gpm?

Back 53

0.3%