VD-C3 Flashcards
Frequency for oil changes on squads patrols utilities pick ups or camp trucks
Every three months or 3000 miles
Replacement frequency for air cleaners
Every two years or 24,000 miles
Frequency of replacement of air compressor filter
Every six months or 5000 miles
Maximum allowable air filter restriction
Continuously reading 13 inches of restriction or higher
Frequency to clean Spark arrestors
Once a year or 12,000 miles or after operation on motorways or other off-highway areas
Frequency to wash engine crank case breathers
Wash with biogradable type cleaner every 60 days for 1000 road miles and after every operation and Dusty conditions
Frequency for cleaning crank case ventilator valves
Every 5000 miles or six months by area mechanic
Accident report form
Form 76v54a completed within 24 hours
After an accident how long to take the engine to the shops
15 days
The only equipment left on an engine one sent to the shops
50 feet of 1 inch hose, a 1 inch nozzle, suction caps, full tank of water
Proper following distance in good weather
4 second rule
Approved and position on steering wheel
9 and 3 o’clock position
ApProved steering methods
Hand shuffle method for hand over hand method
Total stopping distance equation
Perception distance plus reaction distance plus break lag plus braking distance
Effect of speed on the stopping distance
When speed doubles braking distance quadruples
Effect of vehicle weight on stopping distance
Brakes are designed to work best when fully loaded empty trucks require a greater stopping distance
Frequency for engine oil changes and filters
Every six months or 6000 miles
How long must a rig sit before accurate oil reading
At least 30 minutes
Chassis lube frequency
60 days
Proper fill for power steering reservoir
Half inch to 1 inch from the top use 15 W 40 engine oil
What is gray liquid and foam indications of?
Water in the oil reservoir
Correct level of hydraulic brake fluid reservoir
1/4 inch from the top
Proper way to lubricate bushings and bearings
Relieve the strain weight or pressure by jacking up the wheels releasing the brakes were moving the part being lubricated
How often are fan hubs lubricated
Yearly by the area mechanic
How often is the oil changed in the high fog pump transmission
Monthly
How often is the oil changed in the road pump
Monthly with SAE 50 synthetic gear oil
Do you check the oil level in the manual transmission
Check with a Y or anything under 2 inches routine feeling notify the mechanic over 2 inches low should be reported immediately to the mechanic
Do you check the differential oil
Same as the manual transmission oil 2 inches low routine still more than 2 inches low notify mechanic immediately
Often is the hydraulic oil changed in the aerial ladder truck
Every three years
When shall the turntable center pin be lubricated
Weekly and after each use
When do you need to coordinate with the mechanic for a tire changes
Three more tires
How soon do you need to retighten wheel nuts
After the first 50 to 100 miles of operation
After an accident how soon does a written estimate and pictures need to be taken
Within five working days of the accident
