400-09 Fire Apparatus Maintenance Procedures

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Questions and Answers

What is the responsibility of the Officer-in-Charge regarding the maintenance procedures?

To create new maintenance procedures as needed.

To ensure compliance with the procedures under their command. (correct)

To perform all maintenance tasks themselves.

To monitor maintenance compliance only during inspections.

At what time should a pre-trip inspection for the day shift be completed?

1500 hours

0700 hours (correct)

0900 hours

1700 hours

Which form is used to document pre-trip inspections for A, B, C, and D shifts?

Form 330A (correct)

Form 330E

Form 330C

Form 330B

What is the minimum duration for which pre-trip inspection forms must be maintained at the station level?

Ninety days Signup and view all the answers

Which of the following would NOT be considered a deficiency affecting safety and performance of a fire apparatus?

Undamaged seat belts Signup and view all the answers

What should be considered when determining out-of-service status for fire apparatus?

Defects in the driving and crew areas Signup and view all the answers

Which guideline is used for the pre-trip inspections of Fire Department vehicles?

NFPA 1915/DOT/COMAR Regulations Signup and view all the answers

What is the scheduled time for the pre-trip inspection for the night shift?

1700 hours Signup and view all the answers

Which of the following defects would result in a seating position being taken out of service?

Defective seat belt Signup and view all the answers

What is the minimum allowable tread depth on a steering axle tire before it is considered a defect?

4/32 in. Signup and view all the answers

What indicates a potential engine problem that requires evaluation?

Engine overheats during operation Signup and view all the answers

Which of the following conditions is related to the cooling system and reduces operational safety?

Defective radiator Signup and view all the answers

What defect would categorize a vehicle for an out-of-service status related to transmission?

Shift linkages are defective Signup and view all the answers

If a tire has a detectable or audible leak, what category does it fall under?

Operational safety defect Signup and view all the answers

Which component's failure would NOT cause the fire apparatus to be out of service?

Broken side mirror Signup and view all the answers

What defect is indicated by the stop-engine light failing to reset after starting?

Engine system problem Signup and view all the answers

Which of the following tires are considered defective?

Tires with cuts in the sidewall that reach the cord Signup and view all the answers

What happens if a steering component is identified as defective?

Apparatus must be taken out of service Signup and view all the answers

Which defect in aerial device systems can affect the operational safety and performance of fire apparatus?

Aerial device that is structurally deformed Signup and view all the answers

What is NOT one of the supplies that company commanders must maintain at the station level?

Tools for apparatus maintenance Signup and view all the answers

When must tire chains be used according to the operational guidelines?

From November through April or when conditions require Signup and view all the answers

What should be done prior to engaging automatic on-spot chains?

Ensure they are working properly at the beginning of each shift Signup and view all the answers

What is the maximum speed at which a vehicle can travel with the on-spot chains engaged?

30 MPH Signup and view all the answers

Which component is NOT mentioned as a defective issue affecting aerial devices’ systems?

Insulation on cables Signup and view all the answers

What type of tools must be carried in the apparatus toolboxes?

An assortment of screwdrivers and pliers Signup and view all the answers

Which item is explicitly prohibited for cleaning ladders?

Degreaser GP 66 Signup and view all the answers

What is required to ensure correct installation of tire chains?

Two sets of spreaders will be used on each chain Signup and view all the answers

What should be done regarding DEF inventory?

Evaluate when compiling the end of month mileage report Signup and view all the answers

Which defect in the air brake system indicates a significant loss of air pressure for a single vehicle?

Air pressure drop of more than 2 psi in 1 minute Signup and view all the answers

What is a potential malfunction if the air compressor fails to build air pressure?

Parking brake operation is ineffective Signup and view all the answers

Which of the following indicates a defect in the fire pump system?

Pump that fails to engage Signup and view all the answers

What could cause the hydraulic brake warning light to activate?

Brake pedal that drifts when pressure is applied Signup and view all the answers

Which condition indicates that the hydraulic braking system may not be functioning properly?

Brake system components with Class 2 leakage Signup and view all the answers

What is an acceptable air pressure range for air brake systems when service brakes are applied?

80-90 psi Signup and view all the answers

Which issue is considered a defect in low voltage or line voltage electrical systems?

Defective ignition system Signup and view all the answers

What significant factor indicates that the braking operation might be ineffective?

Defective braking system components Signup and view all the answers

Which of the following conditions must be assessed when determining out-of-service status due to the fire pump system?

Pump test results below 90 percent of the original rating Signup and view all the answers

Which defect could activate the antilock braking system (ABS) warning indicator?

Failing parking brake operation Signup and view all the answers

What is the minimum frequency with which all apparatus should be waxed?

Every three months Signup and view all the answers

Which tool is specifically mentioned as not to be washed immediately after returning to quarters?

Tires and wheels Signup and view all the answers

What should be done immediately upon discovering mechanical defects in the apparatus or equipment?

Submit a report through the 189 system immediately and inform a supervisor Signup and view all the answers

What type of wrenches must be included in the toolbox for maintenance and care of apparatus?

Both standard and metric open end and box end wrenches Signup and view all the answers

What is required for maintaining the log book of each apparatus?

It should contain clear, legible, and accurate information Signup and view all the answers

Who must approve any changes to the arrangement of firefighting equipment on apparatus?

All four shift Captains in writing Signup and view all the answers

How often should compartments be cleaned to include preventive maintenance?

Weekly Signup and view all the answers

What should be included during the preventive maintenance check of stored apparatus?

A road test until the engine temperature reaches a minimum of 180 degrees Fahrenheit Signup and view all the answers

What is the function of a dead blow hammer as mentioned in the equipment list?

To minimize rebound and reduce damage to the work surface Signup and view all the answers

What is the consequence for mechanical issues that require urgent action?

Check the urgent box on the Form 189 and contact FM1 or FM2 Signup and view all the answers

When should immediate maintenance be contacted regarding tire issues?

When tires are found to be damaged Signup and view all the answers

What is the minimum amount of 1-3/4 inch hose required on an engine?

One hundred feet Signup and view all the answers

What should not be done when a vehicle is permanently reassigned?

The spare tire(s) should be retained at the station Signup and view all the answers

What information needs to be ready for a tire service request?

The size and manufacturer of the tire Signup and view all the answers

Which condition does NOT affect the 'in service' status of an engine?

Condition of the 1-3/4 inch hose Signup and view all the answers

What should be done if maintenance is required after normal hours?

Contact ADO, who will reach out to the mechanic Signup and view all the answers

Which of the following is NOT an approved area for logo placement on apparatus?

Windshield Signup and view all the answers

What type of hose is required for use as a hand line on engines?

One hundred fifty feet of 2-1/2 inch hose Signup and view all the answers

Which action should be taken before towing if Fire Maintenance is closed?

Check out the unit before towing based on mechanic discretion Signup and view all the answers

What paint colors are permitted for use on Fire Department equipment?

Colors specified by the Officer-in-Charge of Logistics Signup and view all the answers

What should be done to the hose used for foam discharge after use?

It should be flushed with fresh water for three minutes. Signup and view all the answers

What action should be taken when gaskets on hose couplings are found to be deteriorating?

Replace them immediately. Signup and view all the answers

What is the maximum time hose can remain dirty on the apparatus?

24 hours Signup and view all the answers

How should hose be carried to prevent damage?

It should always be carried, not dragged when possible. Signup and view all the answers

What should accompany a hose sent for repair or replacement?

A rag or tape attached at the damaged location. Signup and view all the answers

What must be done with hose compartments at all times?

They should have either a cover or cargo strap on them. Signup and view all the answers

What is the inspection frequency for tower aerial ladders?

Weekly Signup and view all the answers

Which of the following is true about the marking of hose 3" or larger?

It must be marked with the unit ID within the first five feet of each coupling. Signup and view all the answers

How often should hose covers that are used at fires be examined and washed?

Thoroughly after each use. Signup and view all the answers

What should happen to covers left at the scene of an incident after a fire?

They need to be retrieved within 48 hours. Signup and view all the answers

What indicator should be checked for proper alignment on the turntable?

Turntable alignment indicator Signup and view all the answers

Which component requires visual inspection for cracks during the weekly aerial inspection?

Welds on the aerial Signup and view all the answers

What should be lubricated weekly to ensure proper functionality?

Turntable rotation bearing Signup and view all the answers

What aspect of the hydraulic system should be checked for leakage during the monthly inspection?

Hydraulic swivel and control valves Signup and view all the answers

Which task is performed to check the condition of extension cables?

Look for fraying strands and corrosion Signup and view all the answers

Which of the following needs to be inspected for damage or debris along the ladder slides?

Ladder rails Signup and view all the answers

What is critical to check on the outrigger controls during a weekly aerial inspection?

Control functionality Signup and view all the answers

What should be visually checked on the aerial regarding the pivot pins?

Securement bolts Signup and view all the answers

What should be confirmed for the communication system between the cab driver and the tiller man?

That it operates properly Signup and view all the answers

Which check is essential for ensuring safety when operating the aerial apparatus?

Visual inspection of waterway damage Signup and view all the answers

What should be done if a rope has lost its pliability and appears dry and brittle?

The rope should be replaced. Signup and view all the answers

What should be inspected for tightness on ground ladders?

All of the above Signup and view all the answers

Which type of lubricant is recommended for ladders?

Spray graphite Signup and view all the answers

What should be done with wet ropes to avoid freezing?

They should be hung up or laid in a loose coil until dry. Signup and view all the answers

What is the appropriate action for fire extinguishers after use?

Check if they need refilling. Signup and view all the answers

How often should ground ladders be cleaned and inspected?

Quarterly and after each use Signup and view all the answers

When should CO2 extinguishers be sent to Supply?

When they are at least half empty. Signup and view all the answers

What kind of rope is included as part of the complement on each engine?

1-125 foot section of 1/2 inch nylon Signup and view all the answers

What should be done if a fire extinguisher is excessively marred?

It should be repainted red. Signup and view all the answers

What indicates possible heat damage on a ground ladder?

Discoloration Signup and view all the answers

What should be done immediately after flushing operations have been completed?

Refill the fire pump with water and return appliances to normal Signup and view all the answers

What is the maximum speed recommended for vehicles when using cable chains?

30 miles per hour Signup and view all the answers

What is the recommended action if a side chain or cable chain breaks?

Remove the broken chain and order a new complete set Signup and view all the answers

When should all chains be inspected and tested on the apparatus?

Every September as part of monthly duties Signup and view all the answers

Where should the round hook connector be positioned during the installation of cable chains?

On the inside of the tire Signup and view all the answers

Which component must be connected to the second lug from the end of the side cable during installation?

The end hook Signup and view all the answers

What should be done with all rubber tighteners during installation of tire chains?

They should be seated into the side cable tightener hooks Signup and view all the answers

What must be done before a mechanic arrives at the station?

Assign a driver to assist the mechanic Signup and view all the answers

What action should be taken if a mechanic is asked to perform additional repairs at the station?

The mechanic must first obtain authorization from Fire Maintenance Signup and view all the answers

What is one requirement when ordering new radial cable chains?

Detail the tire size, singles or duals, and the apparatus Signup and view all the answers

What must be submitted after repairs or replacements are made by fire station members?

An electronic 189 detailing work done Signup and view all the answers

What should be checked for debris in the flushing process?

Behind the screens on intakes Signup and view all the answers

What is the minimum tread depth required for front tires on vehicles maintained by Fire Maintenance?

4/32 of an inch Signup and view all the answers

What is the primary purpose of operating the relief valve multiple times?

To ensure proper flow and operation Signup and view all the answers

What happens if a unit has outstanding 189s that have not been addressed?

The unit will not be placed back in service until all work is completed Signup and view all the answers

What should personnel do before leaving the station to report to Fire Maintenance?

Contact FM 1 or FM 2 for final instructions Signup and view all the answers

When cleaning a unit before checking into Fire Maintenance, what must be done with biohazard waste?

It should be properly discarded in biohazard bags Signup and view all the answers

What is the final determination regarding an apparatus not accepted from Fire Maintenance?

The officer-in-charge of Logistics/Safety must approve the rejection Signup and view all the answers

What should be done if equipment is found to be in poor condition upon taking a unit from Fire Maintenance?

Notify FM2 or DC/BC if damages are found Signup and view all the answers

What is the purpose of checking the tread depth on tires each month?

To plan for scheduling replacements before reaching minimum depth Signup and view all the answers

What is required for Fire Department apparatus to ensure proper charging while parked in stations?

Using shore lines Signup and view all the answers

What should be done with gas-powered appliances weekly?

Test run until reaching normal operating temperatures Signup and view all the answers

What happens to brush unit tanks and pumps during freezing weather?

They are drained and can be refilled later Signup and view all the answers

Why must the blades and backing plates on power saws be loosened monthly?

To ensure they can be tightened securely Signup and view all the answers

What is the main purpose of back-flushing fire pumps?

To change the direction of water flow Signup and view all the answers

What action should be taken if salt water has been used in pumping mechanisms?

Thoroughly flush with fresh water Signup and view all the answers

How often should lawn equipment be serviced?

Annually during November through March Signup and view all the answers

What is a critical safety measure during the refueling of apparatus?

Ensuring funnels are clean and screened Signup and view all the answers

What is indicated if back-flushing yields contaminated water?

Potential issues with the fire pump Signup and view all the answers

What color should the EZ Pass Maryland Transponder be?

Orange Signup and view all the answers

What does it mean to 'calibrate' an instrument or system of measurement?

To correlate its reading with a standard Signup and view all the answers

What is considered 'defective' in the context of mechanical or electrical devices?

A part that is faulty or has a defect Signup and view all the answers

What is the purpose of an 'operator alert device' in a fire apparatus?

To alert the operator to pending or occurring failures Signup and view all the answers

What does 'deformation' refer to in the context of fire apparatus components?

Irregular wear or warping affecting operational safety Signup and view all the answers

What defines Leakage Class 2?

Fluid leakage that forms drops but does not fall off Signup and view all the answers

What is the definition of 'overhaul' in the maintenance of fire apparatus?

To inspect and repair to return a component to operational condition Signup and view all the answers

What does the term 'preventive maintenance' entail?

Routine actions taken to maintain proper operational condition Signup and view all the answers

What is the role of collector rings in fire apparatus?

To transmit electrical power from the main supply to aerial devices Signup and view all the answers

Which component serves as the basic structural system that supports a fire apparatus?

The frame Signup and view all the answers

What is the definition of 'documentation' in maintenance processes?

The gathering, classifying, and storage of information Signup and view all the answers

Study Notes

Maintenance and Care of Fire Apparatus

Procedures established for the maintenance and care of frontline and reserve vehicles, medics, trucks, and specialty apparatus.
Officers-in-Charge are responsible for ensuring compliance with maintenance procedures.

Pre-Trip Inspection

Daily inspections are mandatory for all fire department vehicles, outlined on Form 330A and Form 330E.
Inspections occur at designated times: 0700 for day shifts, 1500 for M-2 shift, and 1700 for night shift.
All pre-trip forms must be kept for 90 days.

Inspection Areas

Driving and Crew Areas: Check for defects such as cracked windshields, defective seat belts, and inoperable gauges which may affect safety.
Chassis and Tires: Inspect for issues like tread depth, defective tires, and axle leakage that could impair vehicle performance.
Engine Systems: Monitor for starting issues, overheating, and oil contamination that can impact engine functionality.
Braking Systems: Evaluate both air and hydraulic brakes for leaks, ineffective operation, and warning indicators.
Fire Pump System: Ensure pump performance exceeds 90% of its original capability and that the water tank is functional.
Aerial Device Systems: Inspect for defects in the stabilizer system and hydraulic components.

Supplies and Maintenance

Officers must maintain adequate stock of supplies such as grease, hydraulic oil, light bulbs, and lubricants for ongoing maintenance.
Tire chains must be available for winter months, with procedures for proper usage during icy conditions.

Equipment Cleaning

Apparatus must be cleaned upon return to the station, with special care for wheels and compartments.
Regular waxing and preventive maintenance checks are required, specifically for stored apparatus.

Apparatus Log Book

Each apparatus should have an up-to-date log documenting inventory, maintenance, and repairs.
Log books are transferred along with apparatus when moved between stations.

Repair Procedures

Repairs must only be conducted under supervision, with immediate reporting of mechanical issues.
Basic repairs can be made by trained personnel; however, significant repairs require authorization from Fire Maintenance.

Responsibilities of Personnel

Fire Apparatus Driver Operator or designees must report issues, ensure readiness, and assist mechanics.
Clear communication with Battalion/Division Chief is crucial for maintaining operational awareness regarding apparatus status.

Special Guidelines

Ensure all tools are inventoried weekly in apparatus toolboxes, including a comprehensive list for engines, trucks, and medic units.
Compliance with the outlined procedures is essential for operational safety and effectiveness of fire apparatus.### Equipment Acceptance and Maintenance Policies
OIC of Logistics/Safety or DC/BC must authorize any rejection of equipment from Fire Maintenance.
Tires on vehicles must be monitored monthly for tread depth to ensure timely replacements.

Tire Standards

Front wheel tires must have a minimum tread depth of 4/32 inch; rear tires require 2/32 inch.
Contact Fire Maintenance for immediate tire needs during work hours (Monday – Friday) and through ADO after hours.

Regular Replacement Guidelines

An electronic request (Form 189) must be submitted for tire replacements nearing minimum tread depth or showing damage.
Fire Maintenance schedules all tire replacements.

Spare Tires Management

Spare tires must be maintained like operational tires, transferred with permanently reassigned vehicles.

Vehicle Towing Protocols

Fire Maintenance handles all towing requests during operating hours; A.D.O. supervises towing outside these hours.

Identification and Marking

All emergency equipment should be marked clearly with adhesive stickers or stenciled with the company number.
Use only approved paint colors for apparatus maintenance.

Fire Hose Regulations

Engines carry specific amounts of fire hose (1,000 ft of 4”, 500 ft of 3”, and others depending on type).
Hose must be properly managed and cleaned after use; dirty hose should not remain unwashed for over 24 hours.

Hose Care and Maintenance

Hose must be securely coupled, free of damage, and gaskets checked regularly.
Hose repair or replacement requests require that the hose is clean, dry, and tagged for identification.

Salvage Covers Procedures

Covers used in fires must be cleaned and dried promptly; repairs require documentation and tagging.

Ladder Maintenance

Aerial ladders inspected weekly and lubricated monthly; detailed inspections include checking controls and components for functionality.

Rope Management

Ropes should be cleaned and inspected for damage or wear before storage; inspect both outer and inner fibers.
Each engine and ladder truck carries specific sections of rope, such as nylon or static Kernmantle.

Fire Extinguisher Protocol

Fire extinguishers must be sent for refilling after use; CO2 extinguishers evaluated for refill needs and should not be discharged fully before sending.

General Apparatus Handling

Vehicles should always be parked with parking brakes engaged; shorelines used for charging when in quarters.
Maintain EZ Pass transponders on apparatus; use operational toll lanes if absent.

Equipment Care

Service chainsaws and gas-powered tools weekly; all equipment must be thoroughly cleaned after each use.
Saltwater usage requires immediate flushing of specific equipment with fresh water.

Lawn Equipment Servicing

Lawn machinery receives annual servicing; equipment must be marked and cleaned after usage.

Humat Valve Maintenance

Regular inspection and operation of Humat valves; a biannual test involves using a hydrant and pumping through.

Back-Flushing Fire Pumps

Back-flushing aims to reverse normal water flow through fire pump systems without exceeding 50 psi for safety.### Fire Pump Maintenance and Back-Flushing Procedures
Flush out contaminants, corrosive, abrasive materials, and debris from impellers, piping, and valves.
Back-flushing is required after specific operations: drafting from fresh/salt water, water shuttles, and foam operations.

Steps for Back-Flushing a Fire Pump

Begin by flushing the fire hydrant until clear water flows.
Connect a line from the hydrant to the highest 2.5" discharge, often the deck gun.
Open all intakes and discharges (2.5", 4", 5", and 6"), removing caps, screens, and appliances; disconnect pre-connected front suctions.
Control pressure and flow through the discharge valve connected to the hydrant.
Inspect for debris behind intake screens.
Operate the relief valve on and off multiple times.
If equipped, operate the transfer valve several times.
Flushing should persist for at least 5 minutes.
After flushing, return all components to normal operating positions and refill the pump with water.

Snow Chains Installation Guidelines

Cable chains should extend at least 4 inches over each side of the tire from the tread edge.
Round hooks face inward; flat hooks face outward; smooth sides toward the tire.
Connect the end hook of the outer fastener to the second lug from the end of the side cable if possible.
Install at least one rubber tensioner on each chain, secured with hooks.
Ensure rubber tighteners are seated properly in side cable hooks.
Maximum recommended speed with cable chains is 30 MPH; chains should not be used on dry pavement.
If a chain breaks, stop immediately and remove it. A new set should be ordered if cross-links are significantly worn.

Inspection and Maintenance Protocol

Chains must be inspected monthly in September as part of station duties.
Order chains annually in August from the appropriate agency or department.
Specify tire size, configuration (singles or duals), and apparatus type when ordering.
Maintain two sets of fire chains for each apparatus: one primary and one spare.

Definitions Relevant to Fire Apparatus Maintenance

Adjust: Regulate operating characteristics within specified limits.
Authority Having Jurisdiction: Organization/individual responsible for approving equipment and procedures.
Inspect: Examine components to determine condition against established standards.
Leakage Classes: Seepage classifications ranging from minor (Class 1) to significant (Class 3) fluid escape.
Preventive Maintenance: Routine actions taken to keep fire apparatus in proper condition.
Power Train: Components transmitting power from the engine to the wheels, including transmission and axles.

General Notes

All maintenance and installation procedures must adhere to manufacturer's instructions and specifications.
Regular inspections and prompt replacements of compromised parts are crucial for fire apparatus reliability.

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Description

Test your knowledge on the responsibilities of the Officer-in-Charge regarding fire apparatus maintenance procedures. This quiz covers pre-trip inspections, documentation forms, record-keeping requirements, and safety considerations for fire apparatus. Make sure you're familiar with the best practices to ensure optimal performance and safety.