One important consideration when determining the
turret is aimed away from personnel and equipment.
feasibility of scheduled and unscheduled maintenance,
Failure to do so can cause injury to personnel or
while in an operational status, is that the fire-fighting
damage to equipment.
vehicle's water tank must be drained completely before
When using the handline, be aware that the
the unit can be raised up off the deck (jacked up to
pressure could cause personnel to lose control and drop
relieve the weight from the suspension components).
the nozzle. The handline would then represent a hazard
When the entire vehicle is on jack stands, remove the
in the area as it would spray and move uncontrollably.
front jack stands first, and then the rear jack stands.
When inhaled in a concentrated form directly from
Q13-6. Which of the following is the correct model
the bottle, Halon can be fatal. Use care to avoid
diesel engine for the A/S32P-25 fire-fighting
discharging the Halon fire extinguishers directly at
vehicle?
personnel.
1.
3V-53TA
The water pump, control valves, tanks, and piping
2.
6V-53TA
are equipped with heaters for cold weather operation.
3.
8V-54TA
They are located in the water tank and powered by a 440
4.
12V-54TA
Vac external power source. It is recommended however,
Q13-7. What is the capacity of the steering system
that the AFFF proportioning system piping be drained
hydraulic tank on the vehicle?
if the vehicle is going to a "standby" status and cold
weather conditions could freeze the water/AFFF.
1. 5 gallons
Before connecting heating system supply voltage
2. 8 gallons
cable, ensure that the heating elements circuit breakers
3. 10 gallons
are in the OFF position.
4. 15 gallons
Q13-8. A pressure-relief valve maintains the steering
MAINTENANCE OF THE FIRE-FIGHTING
system hydraulic system pressure at or below
VEHICLE
what maximum pressure?
Scheduled maintenance is performed at the
1. 750 psi
intermediate maintenance level on 28-, 91-, 182-, and
2. 900 psi
364-day intervals. These maintenance procedures can
3. 1500 psi
normally be performed while in port or underway by
4. 2200 psi
using a 3-day scheduling tool. If you keep in mind the
Q13-9. What is the maximum flow rate of the turret
advantages of rotating flight deck equipment and the
nozzle on the A/S32P-25?
anticipated flight schedules, you can complete most
procedures safely and securely in the work space rather
1.
100 gpm
than as a rush job on deck.
2.
250 gpm
3.
400 gpm
Unscheduled maintenance is a direct reflection of
4.
500 gpm
how well the flight deck personnel perform the
preoperational inspections and maintain the integrity of
Q13-10. How many Halon bottles does the A/S32P-25
the equipment. This is an area where the support
fire-fighting system have available for use?
equipment troubleshooters will have a direct influence
1.
1
on the well being of the P-25. Many minor repairs can
2.
2
be completed during the preoperational inspection, but
3.
3
the vehicle will have to be relocated in the shop if any
4.
4
major repair is required.
Q13-11. The A/S32P-25 has how many pressure-relief
The A/S32P-25 fire-fighting vehicle's maintenance
valves for the AFFF proportioning system?
instruction manual is quite thorough in its repair
procedures, and the fire-fighting vehicle's periodic
1.
1
maintenance requirements manual covers all scheduled
2.
2
maintenance checks.
3.
3
4.
4
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