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03. Pump Operating Procedure > Pumps Chapter 7 > Flashcards

Pumps Chapter 7 Flashcards

1
Q

From the Pump Manual

What capacity range do DCFD’s Hale pumps have?

A

1250gpm’s to 1500gpm’s

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2
Q

From the Pump Manual

Are the Hale pumps on DCFD’s pumping apparatus positive displacement or non-positive displacement pumps?

A

Non-postive displacement pumsp

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3
Q

From the Pump Manual

What three factors regulate performance of a centrifugal pump?

A

Speed(RPM), Pressure and Flow

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4
Q

From the Pump Manual

What are the two moving parts of a centrifugal pump?

A

Impeller and shaft

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5
Q

From the Pump Manual

The impeller is driven by a shaft wich is powered from the apparatus engine by a ____ ratio.

A

2:1 Ratio

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6
Q

From the Pump Manual

What do clearance rings do?

A

prevent water that is pressurized and leaving the pump from entering the impeller again

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7
Q

From the Pump Manual

The __ __ __ would be the recommended method the relieve the head from the pump housing.

A

Fill Tank Valve

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8
Q

From the Pump Manual

What are two ways to protect the impeller from damage?

A

Do not allow water in the pump to overheat, prevent foreign matter from entering the pump

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9
Q

From the Pump Manual

At 100psi how many drops per minute is from the packing glands is normal?

A

10-20 drops per minute

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10
Q

From the Pump Manual

What is the primary difference between single stage and two stage pumps?

A

single stage pump has one Impeller and two stage pump has tow impellers and a transfer valve

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11
Q

From the Pump Manual

On a hale pump, how can you can check that the transfer case is in the pump positon?

A

PTO light activating and the speedometer reading 10-15mph

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12
Q

From the Pump Manual

With what should a strainer be lowered into the water with?

A

Rope

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13
Q

From the Pump Manual

Maxium ammount of time the primping pump will be actuated?

A

45 seconds

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14
Q

From the Pump Manual

When drafting, and after priming, the throttle shall be set to?

A

1300RPMs

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15
Q

From the Pump Manual

When drafting, after priming, the discharege pressure should be set to

A

50psi

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16
Q

From the Pump Manual

On Hale Pumps, how long should you wait when shifting from neutral to pump position when operating the PTO?

A

3-5 seconds

17
Q

From the Pump Manual

If pumping over _____ psi, you must open discharge gate and increase relieve valve setting.

A

160psi

18
Q

From the Pump Manual

If the pump is attempted to be engaged before the vehicle is completely stopped, this could cause the pump to not actually engange. True or false?

A

True- also air leaks, insufficienet air and transmission not in neutral

19
Q

From the Pump Manual

What oil is used if the pump loses prime due to no lubricant in the priming lubricant tank?

A

30SAE oil

20
Q

From the Pump Manual

TRUE or FALSE: The single stage pump is as efficient as the two stage pump

A

True

21
Q

From the Pump Manual

What type of lubricant is used in the priming pump?

A

30 weight SAE oil

22
Q

From the Pump Manual

Do not continue to run the priming pump in excess of ___ seconds.

A

45

23
Q

From the Pump Manual

What two types of relief valves are used on Hale pumps?

A

standard relief valve system and TPM(Total Pressure Master) relief valve

24
Q

From the Pump Manual

What does the flashing pilot light on the panel mean?

A

The TPM external dump valve has opened

25
Q

From the Pump Manual

If the pilot light on the panel comes on, is the internal relief valve open or closed?

A

Open

26
Q

From the Pump Manual

When the pump is “Primed”, what should be done next?

A

open discharge gate slowly

27
Q

From the Pump Manual

When should you cut-off the priming pump?

A

when pressure steadies

28
Q

From the Pump Manual

When shutting down , how long should you wait when shifting from neutral to the road position?

A

5 seconds

29
Q

From the Pump Manual

When pumping and operating from a hydrant, you should throttle until desired pump pressure is reached. Don not reduce intake below ____.

A

5 PSI

30
Q

From the Pump Manual

What is the suggested correction for insufficient air in the system?

A

Repeat shift procedure

31
Q

From the Pump Manual

What is the suggested correction for an air leak in the system?

A

Notify Fleet Maintenance

32
Q

From the Pump Manual

What is the suggested correction for pump packings that are out of adjustment or worn?

A

Check the number of drips from packings (10-20)

03. Pump Operating Procedure (10 decks)

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