Pierce Pumper Operation Manual Quiz

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Questions and Answers

What should be done immediately after exiting the cab?

  • Shift transmission to neutral
  • Apply the service brake
  • Chock the wheels (correct)
  • Engage the pump

In which position should the pump shift control never be operated to avoid vehicle movement?

  • Idle position
  • Neutral position
  • Pump position
  • Road position (correct)

What is the recommended method to ensure the pump operates correctly regarding engine speed?

  • Engage pump at engine idle speed (correct)
  • Keep the engine off during engagement
  • Operate the pump at maximum throttle
  • Shift to road position before engaging pump

What happens if the parking brake is not applied before engaging the pump?

<p>Hand throttles and pressure governors will not operate (D)</p> Signup and view all the answers

What must be done regarding water supply once the pump is engaged?

<p>Supply water to the pump immediately (D)</p> Signup and view all the answers

What is the minimum air pressure the gauges should indicate for the pump to shift out of the road position?

<p>80 PSI (C)</p> Signup and view all the answers

What is a critical action to prevent the pump from overheating?

<p>Keep discharge valves open (B)</p> Signup and view all the answers

What is the consequence of running the pump dry for an extended period?

<p>It may cause damage to the pump (D)</p> Signup and view all the answers

What is the maximum speed at which hose can be laid out without causing a jam?

<p>5 MPH (C)</p> Signup and view all the answers

What should be done to minimize risks of hose snags during layout?

<p>Pack hose carefully in the hose bed (B)</p> Signup and view all the answers

Which of the following is NOT a safety measure when laying hose from a moving vehicle?

<p>Riding on the rear steps of the vehicle (C)</p> Signup and view all the answers

What method is safest for anchoring the hose to a hydrant?

<p>Use a rope to tie the hose to the hydrant (A)</p> Signup and view all the answers

When deploying hose, how should the end of the hose be secured if rope is unavailable?

<p>Wedge the end fitting against the hydrant with a booted foot (B)</p> Signup and view all the answers

What potential hazard is associated with improperly packed hose during deployment?

<p>The hose can fly about and cause injury (C)</p> Signup and view all the answers

What should an anchorman prioritize while laying hose?

<p>Protecting himself from flying hose (B)</p> Signup and view all the answers

Which of the following is the least effective response if a hose begins to snag during deployment?

<p>Pull the hose out quickly (B)</p> Signup and view all the answers

What is the primary reason for opening and closing discharge valves slowly?

<p>To avoid pressure spikes and water hammer. (B)</p> Signup and view all the answers

Which action is NOT recommended when filling an attack line with water?

<p>Close the discharge valve quickly once water starts flowing. (D)</p> Signup and view all the answers

What should be monitored as water is pumped to the attack lines?

<p>The tank level indicator. (A)</p> Signup and view all the answers

What is the purpose of the thermal relief valve in the pump?

<p>To help prevent pump overheating. (B)</p> Signup and view all the answers

What is a critical safety precaution when operating a pump from a draft water supply?

<p>Ensure the strainer or inlet screen is installed. (B)</p> Signup and view all the answers

What should be done before engaging with a pump when reducing its speed?

<p>Close all discharge valves and drains. (B)</p> Signup and view all the answers

Which of the following is NOT a recommended practice while operating the pump?

<p>Operating the pump with closed discharge valves for an extended period. (C)</p> Signup and view all the answers

What should be done after air is released from the line and water is flowing steadily?

<p>Adjust the discharge valves. (B)</p> Signup and view all the answers

What is the maximum lift height recommended for the suction hose?

<p>10 feet (C)</p> Signup and view all the answers

What should be done to the hose when deploying it for suction?

<p>Attach a rope to the submerged side. (D)</p> Signup and view all the answers

Which mode should the pressure governor be switched to for better priming?

<p>THROTTLE CONTROL mode (C)</p> Signup and view all the answers

What should you listen for when engaging the primer motor?

<p>A tone change indicating the mix of air and water (B)</p> Signup and view all the answers

What is the minimum depth the hose should be submerged in water?

<p>4 inches (B)</p> Signup and view all the answers

At what RPM should the engine speed be increased to establish priming?

<p>1000 RPM (D)</p> Signup and view all the answers

What should be done with the discharge valve once water has entered the pump?

<p>Open it slowly to begin water flow. (B)</p> Signup and view all the answers

What needs to be established before the water tank is empty?

<p>An external source of water (A)</p> Signup and view all the answers

What action should be taken if the Check Transmission light remains ON?

<p>Schedule the transmission for maintenance. (B)</p> Signup and view all the answers

What should be done to prevent water hammer when shutting off water flow?

<p>Close all discharge and inlet valves slowly. (B)</p> Signup and view all the answers

Which step is necessary for securing the pump system in cold weather?

<p>Drain the pumping system. (A)</p> Signup and view all the answers

When should the priming system be flushed with clean, fresh water?

<p>If required, especially after operations. (B)</p> Signup and view all the answers

What is the purpose of opening drain valves and bleed valves during the pump system securing process?

<p>To vent any trapped air pressure and water. (B)</p> Signup and view all the answers

What happens if the parking brake is not applied and the transmission is not in neutral?

<p>The hand throttle will be disabled. (A)</p> Signup and view all the answers

How can you increase the engine speed using the hand throttle?

<p>Turn counterclockwise to the left. (C)</p> Signup and view all the answers

What is the function of the emergency stop button?

<p>It drops engine RPM to IDLE. (C)</p> Signup and view all the answers

What should be done to ensure the hand throttle is set to the lowest possible idle speed after use?

<p>Press the red shutdown button on the hand throttle. (D)</p> Signup and view all the answers

What is a necessary action if you fail to shift from ROAD to PUMP while increasing engine RPMs?

<p>Immediately push IN the emergency stop. (C)</p> Signup and view all the answers

Which of the following is true regarding the adjustment of the friction collar on the hand throttle?

<p>It sets the resistance to a constant engine speed. (A)</p> Signup and view all the answers

What should be practiced until it becomes automatic in an emergency situation?

<p>Pushing the emergency stop button. (A)</p> Signup and view all the answers

What is indicated by observing the master discharge pressure gauge?

<p>Pump pressure should be maintained by adjusting engine speed. (B)</p> Signup and view all the answers

Flashcards

Hose Deployment Speed Limit

Never exceed 5 mph when deploying fire hoses.

Hose Bed Packing

Carefully pack hose in the hose bed to prevent snags and snarls.

Flying Hose Hazards

Keep people away from hoses laid from moving vehicles; flying hoses can cause serious injury or death.

Hose Jam Prevention

Maintain speeds below 5 mph to avoid hose jams during deployment.

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Hydrant Hose Anchoring

Anchor hose using rope or, if unavailable, a J-pattern wrap around a hydrant and securing it with a booted foot.

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Personnel Safety During Deployment

Keep personnel clear of the deployment vehicle; all occupants must be seated & belted.

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Hose Burst Dangers

Charged hoses can burst unexpectedly; never straddle or stand over a charged hose.

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Test Packing Methods

Test packing methods under controlled conditions to determine appropriate speeds for smooth deployment.

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Pump Engagement

The process of activating the water pump on a vehicle.

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Road Position

A transmission position that allows vehicle movement, disabling parking brake and potentially causing movement if the pump is engaged.

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Neutral Position

A transmission position that disables vehicle movement and prevents movement if the pump is engaged. This is a safe position for pump engagement.

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Parking Brake Engagement

Activating the parking brake is crucial before engaging the pump to prevent unintended movement.

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Chocking Wheels

Using chocks to prevent vehicle movement by blocking the wheels.

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Pump Overheating

Prevent extended periods with closed discharge valves to avoid pump overheating.

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Minimum Air Pressure

Maintaining air pressure at 80 PSI or more for pumps to function correctly, preventing malfunctions.

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Pump Engagement Procedure (Cummins/Detroit)

A step-by-step guide for safely initiating the pump includes steps like shifting to neutral, using the parking brake and applying the service brake.

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Charging Line Operation

Procedure for filling an attack line with water from a water tank, adjusting discharge valves, and monitoring tank levels.

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Pressure Spikes

Sudden increases in pressure, often caused by rapid valve openings, potentially damaging hoses and causing injuries.

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Water Hammer

A pressure surge in a water system, often caused by abrupt changes in flow direction, capable of damaging the pump and components.

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Static Water Supply Operation

Pumping water from an open/draft water source, requiring careful monitoring to prevent overheating and potential hazards.

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Pump Overheating

Pump malfunction due to prolonged operation with discharge valves closed, causing insufficient cooling and damage

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Thermal Relief Valve

Safety device that automatically releases pressure to prevent overheating in the pump.

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Strainer/Inlet Screen

Essential component for draft water supply preventing debris from damaging the pump.

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Discharge Valve Adjustment

Process of fine-tuning discharge valves to ensure a smooth water flow and adequate pressure at the nozzle.

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Prime the Pump

Close valves to create a vacuum, allowing water to enter the pump.

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Suction Hose Deployment

Connect suction hose to pump, ensuring submersion, and avoiding obstructions.

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Throttle (RPM) Control

Setting pump speed for better priming, preferred over Pressure mode for initial pump start up.

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Engine Speed Increase

Increase engine speed to 1000 RPM, to build water pressure.

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Primer Valve Engagement

Opening the primer valve & engaging the primer motor, expelling air & water from the system to draw vacuum.

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Monitor Water Pressure

Watch the gauge to confirm water in the system and steady pressure build.

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Discharge Valve Gradual Opening

Open discharge valves slowly to start water flow to the lines.

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Pressure Mode Switch

Switch from Throttle Mode to Pressure Mode for proper pressurized operation, after successful priming.

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Transmission Light ON

If the transmission check light remains illuminated, schedule maintenance for the transmission.

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Shutting Water Flow

Reduce engine speed, close valves slowly to avert water hammer, and disengage the pump.

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Pump System Draining

In cold weather, drain the water pump system to prevent freezing and damage.

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Draining the Pump System

Open drain valves, bleed valves, pressure release valves, and nozzles to remove air and water.

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Pump System Securing

Remove hoses, install caps on intake/discharge, flush the priming system, and operate the primer pump till fluid comes out if required.

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Hand Throttle Operation

Used to control engine speed; turning left increases, turning right decreases; a red button returns to idle.

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Emergency Stop

Immediately decreases engine speed to idle, vital in emergencies.

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Manual Override

Engine speed control is by foot pedal if parking brake or transmission not in neutral.

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Engine Speed Control

Controlled by foot pedal or hand throttle, depending on circumstances.

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Idle Speed

Base engine speed; achieved by pressing the red button on hand throttle or using emergency stop.

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Discharge Valves

Close these valves to stop water flow during emergencies.

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Electronic Throttle Override

Adjusting engine speed with a toggle switch for operational control.

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Master Discharge Pressure Gauge

Monitors water pressure to regulate engine speed for precise pressure.

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Study Notes

Operation and Maintenance Manual

  • Pierce Pumper
  • Part No. PM-P-OM260-0319
  • Copyright 2019 Pierce Manufacturing Inc.

Table of Contents

  • Chapter 1: To the Owner
    • Who should use, service, and maintain the vehicle
    • What to do if you lack knowledge
    • Responsibilities
    • Daily checks
    • Custom products
    • Professional training and standards organizations
    • Keeping your knowledge refreshed
    • Cautions, warnings, and dangers
      • Safety warning labels
      • High pressure water stream
      • Intake and discharge cap removal
      • Hose testing
      • Safety defect reporting
  • Chapter 2: Before Placing in Service
    • Create a pump chart
    • Check the adjustment of the intake relief valve
  • Chapter 3: Operation
    • Approaching the apparatus
      • Stepping and walking surfaces
      • Compartment doors
      • Hose bed covers
      • Folding steps or platforms
    • Hoses
      • Hose storage
      • Hose restraint
      • Hose chutes -Hose beds -Hose deployment -Hose connections
    • Pump engagement and disengagement
      • Driveline driven pump
        • Pump engagement
        • Manual pump shift override (optional)
        • Pump disengagement
      • PTO-driven pump
        • Engaging the pump
        • Disengaging the pump
          • (Stationary operation)
          • (Pump and roll operation) -Supply and discharge water and foam
      • Supply water to pump
      • Discharging foam
      • Discharging water
        • Discharge and drain/bleeder valves
        • Connecting attack line hoses
        • Charging line
    • Positioning the apparatus
      • Fire scene positioning
      • Positioning on roads
      • Lighting
      • Chock the wheels -Pump engagement and disengagement
      • Driveline driven pump
        • Pump engagement
        • Manual pump shift override
        • Pump disengagement
      • PTO-driven pump -Engaging the pump -Disengaging the pump
    • Pump pressure control and systems monitoring
      • Pump pressure control
        • Engine speed and pump pressure
        • Determining discharge pressure
        • Pump pressure control-without pressure governor
        • Controlling engine speed with multiple controls
  • Chapter 4: Maintenance
    • Annual testing
    • Inspection, cleaning, and maintenance
      • Maintenance schedule
    • Draining the pumping system
      • Flushing the drain valves
        • Forward flushing
        • Back flushing
      • Flushing and draining the pump
    • Pump storage
    • Primer pump lubrication
    • Manual pump shift
    • Intake & discharge relief valve drains (optional)
    • Master gauge ports

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