Maintenance Flashcards
(32 cards)
Pierce Cab full tilt height:
15’ 10”
It is only necessary to raise the cab high enough to engage the _____
cab safety lock.
If the cab is to be left up for an extended period of time, ___ ignition and battery switch after the cab is raised.
turn off
Continue holding the switch in the UP position until the cab has reached the full tilt position and the cab safety lock is engaged. _____ THE CAB ONTO THE SAFETY LOCK.
DO NOT LOWER
Continue holding the switch in the UP position until the cab has settled on its supports. Continue to the switch in the UP position for another____ to insure that the cab locks are fully engaged.
five (5) seconds
Operate the hand pump and lift the cab to the full tilt position. The pump may need to be cycled ___ strokes before the cab begins to lift.
20 or more
Service Brake Adjustment Check Procedure:
Build up air pressure in apparatus until governor cutout pressure is reached (approximately___).
120 psi
If the distance measured exceeds ___ on the REAR BRAKES, the brakes are out of adjustment and require immediate attention
2”
When the pads are new, the floating pin will be exposed ___
3⁄4”.
When the pads are worn to replacement conditions, the floating pin will be nearly flush to the bushing or within___ of the edge of the rubber bushing (approximately the thickness of a quarter).
1/16”
To manually release the spring brake chamber, unscrew (turn counter- clockwise) the ___ diameter bolt located at the end of the spring brake chamber utilizing a ___ box end wrench or socket assembly.
1⁄2” / 3⁄4”
before attempting to cage the spring brakes, ___ the yellow knob to release the brakes if there is enough air pressure to do so. This will make “caging” the brakes much easier.
push in
If transmission fluid level is too high, the fluid can ___. Aerated fluid can cause the transmission to shift ____.
aerate / erratically or overheat
In order for the digital readout on the transmission lever shift selector:
The fluid temperature must be above ___ and below
___.
140ºF / 220º F
A Cold Check may be made when the fluid temperature is _____
60ºF – 120ºF.
Cold check
Start and run the engine at idle (____) in N (Neutral) for about one minute.
500 to 800 rpm
Perform a Hot Check at the first opportunity after normal operating temperature (______) is reached.
160ºF – 200ºF
The alternator is a Niehoff ___ and is of the self-energizing type.
340 amp
The batteries in the apparatus are of the __ type.
dry cell
The Pierce apparatus has a special receptacle located underneath on the ___ of the apparatus just ___ to the battery box for connecting to electrical jumper cables.
left side / adjacent
To avoid damage to vehicle electronic components, voltage supplied to a vehicle’s electrical system must not exceed ___.
16.0 volts.
Check system voltage with engine off and all electrical accessories off (_____). Start and run engine, engage high idle and check voltage again (_____).
12.9 Volts minimum / 13.7 Volts minimum
Rear less than ___ and front pin less than ___ call in and schedule brake job.
1⁄4” / 1/16”
Weekly:
Check operation of pressure governor by opening the tank to pump & tank fill valves fully and setting the discharge pressure at ___.
150 psi
