Pumps Ch 6 Flashcards
From the pump manual:
When inspecting the electrical wire run what are you looking for?
frayed wiring or incorrect postioning
From the pump manual:
What is the normal inches of free travel in a steering wheel?
2 to 3 inches
From the pump manual:
The underside of apparatus can develop into an?
ʺout of sight, out of mindʺ aspect of preventative maintenance, but can not be regarded as unimportant
From the pump manual:
Where is the high incident rate of difficulty on an apparatus?
Around the rear wheels
From the pump manual:
The _______frequently become loose, or shear off, thus weakening that assembly
rear axle flange
From the pump manual:
Checking with a _________ is the best method of determining that proper air pressure is being maintained in the tires
tire guage
From the pump manual:
In general terms, when the brake pedal of an air brake system is depressed, a line between the air supply resvoir and the brake air chamber assembly is opened or closed?
opened
From the pump manual:
The force with which the air acts upon the air chamber assembly diaphragm determines the amount of pressure being appied to the brake shoes , forcing them against the side of the ___or _____.
drums, rotor
From the pump manual:
the maximum pressure that the governer is set is approximately ______psi
120
From the pump manual:
The low pressure indicator will come on inside the cab at what psi?
60 psi
From the pump manual:
When checking the S-Cam brakes not equipped with automatic adjusters if the rod connected to the cam and air chamber travels more than _ inch the brakes are in need of adjustment
1 inch
From the pump manual:
The inversion valve used in combination with the safety actulator will operate when the pressure goes beow what?
40 psi
From the pump manual:
When there is _ psi in the air supply system and you push the parking brake in it will stay in
50 psi
From the pump manual:
When the air system pressure drops below _ psi the parking brake will pop back out when pushed in?
40 psi
From the pump manual:
If you apply the parking brake while traveling at what slow speed_ and when applied he rear wheels dont lock then you know the S-Cam brakes are in need of adjustment
2 to 3 mph
From the pump manual:
How often should air tanks be bled to remove all traces of moisture?
daily
From the pump manual:
When what color appears on the air filter indicates it is dirty and needs to be replaced?
red
From the pump manual:
When determining the condition of the battery you should turn on the head lights for how long to elimanate any surface charge built up on the battery?
approximately 1 min
From the pump manual:
After turning off all lights and with the key in the on postion if the voltmeter dont read between _ and _ volts then the battery should be charged?
13 and 14 volts
From the pump manual:
While cranking the engine if the volt meter reading drops below_ while cranking hen the battey should be charged?
10 volts
From the pump manual:
What is the psi on the coolant pressure cap?
15 psi
From the pump manual:
How much antifreeze solution should be in the coolant system when it is cool?
approximately 1 quart
From the pump manual:
When checking the transmission level what should the rpm of the engine be at?
1000 rpm
From the pump manual:
The Jacobs brake tuggle switch or push has 3 postitions what are they?
off-low-high
From the pump manual:
What postition should the Jacob brake be in on wet, icy or snow covered roads?
off postion
From the pump manual:
Some OF DCFD’s apparatus is equipped with a coolant recovery system these devices consist of the standard cooling system plus a pressure cap connectd by a piece of flexible tubing to a coolant reservior what is the psi for the pressure cap?
15 psi
From the pump manual:
The coolant reservior should contian approximately how many quart of coolant?
1 quart
From the pump manual:
If during the dailymaintenance inspection it is noted that the coolant level is below the 1 quart level who shall be notified?
Fleet Maintenance Division
