Pump Operations

Question 1

How do you turn the pump on MK V a Pumper?

Answer 1

1 - Apply park brake and place in neutral
2- switch on the pump master electrical switch
3- switch on the 2nd stage pump switch
4- switch on main pump switch
5- listen to hear pumps have engaged
6- exit appliance and check both pump lights on the pump panel are illuminated

Question 2

How to you engage the pump on Heavy Pumper?

Answer 2

Apply park brake, Transmission into Neutral
Engage PTO switch
Appliance will squat and then transmission into Drive
OK to pump light will illuminate
Transmission will lock into direct drive and
provide to the pump.

Question 3

What are some pump safety features on appliances?

Answer 3

1 - Pressure relief valve

2- Thermal relief valve

3- Recirculation valve

4- Cavitation protection

Auto primer

Impeller Cooling

Emergency stop

Question 4

List the actions to be taken when the pump overheating warning light remains on.

Answer 4

Withdraw firefighting crews.
Stop pumping operations immediately (when safe to do so).
Notify workshops
Place the appliance out of commission,

Question 5

Briefly describe the type of priming system fitted to both the MKV Pumper and
Heavy Pumper.

Answer 5

Heavy pumper has a positive displacement piston primer. Activates automatically
when the pumps water pressure drops below 150 kPa.

MKV has a rotary vane primer and is manually activated.

Question 6

In relating to relay pumping, which pumper sets:

A) Pressure relief valve?

B) Suction relief valve?

Answer 6

A) The pumper supplying the water

B) The pumper receiving the water.

Question 7

State the safety feature that must be set when operating a pump using the hand throttle (manual).

Answer 7

The pressure relief valve

Question 8

What branch is to be selected when going into a multi-storey high rise? Explain your
response.

Answer 8

Attack Pack /high rise pack - achieve effective fire fighter streams at lower pressure using a 300 kPa branch.