Apparatus operator manual Flashcards
Deflection on belt?
3/4”
%off springs missing out damaged?
25%
Brake linings minimum?
At least 1/4”
Slack adjusters applied position and amount of slack when pulled?
-Applied position: 90 degree angle
-1” slack when pulled
Front and rear Tire inflation
100-120 psi
Front tire depth of tread
4/32
Rear duals tread depth
2/32
Splash guard (mud flaps) length from top?
2/3” down from top
Volt meter normal range
12-14
Fuel level minimum
3/4 of a tank
Water temp normal range
170-210 degrees
Oil pressure normal range
35-75 psi
Transmission temp normal range
Below 250 degrees
Air tank pressure normal range
85-135
Steering play amount
No more than 10 degrees in a 20” wheel= 2”
Governor cut out max pressure
130 psi
Governor cut in test minimum
85 psi
Static air test
No more than 2 psi drop in 60 seconds
Applied air test
No more than 3 psi drop in 60 seconds
Low air warning activated between?
55-75 psi
Pop out test
20-45 psi
Air recovery max time allowed
45 seconds
Max hill assent
35-40%
(22-25 degrees)
Calculating percent off slope formula
Rise over run x 100
Rise in feet divided by run in feet x100
Droping air pressure in tires to 30 psi increases footprint by?
65%
Space cones how many feet apart on incident?
25-30’ intervals
House clamp on supply line is placed where on hose
-18” from the coupling on supply side
- 10-15’ from the tailboard
When driving from hydrant to fire scene what’s max speed you can drive
15mph
Does pumping the 4-way require an interruption of water flow at the fire scene
No
Max theoretical lift during drafting
33’
Max practical lift during drafting
22’
Fire pumps rated when drafting from a lift of?
10’
At 15’ lift pump capacity is?
70%
At 20’ lift pump capacity is?
60%
Place suction strainer in water at least how far down
18”