2016 Pierce Maintenance Flashcards
There are two cases where intermittent fire service ratings can apply
Extra load
Extra speed
A fire-service rated tire can carry extra load, or attain higher speeds at the same time T OR F
False not at the same time
How can you confirm your tires fire service rating on the sidewall of the tire?
Locate the GAWR of vehicle, divide up by number of tires on that axel and the number should be higher than rating on sidewall
After driving for __hour at speeds above the standard maximum rated speeds, or at loads over the maximum side- wall rating, park the apparatus for __hour to allow the tire carcass to cool.
1 hour
1 hour
____is not a satisfactory method to use when checking pressure.
Thumbing with a tire bar
Match dual tires so that tires worn to the same diameter are placed together. Do not mount tires together that vary by more than __inch in diameter or __inch in circumference.
1/4
3/4
Match dual tires on tandem axles as directed above, but do not place the ____ largest tires on one axle as this may cause high axle oil temperatures and reduced axle life.
4
Wheel and tire assemblies should be balanced to avoid ______or ______ during road operation.
Vibration Or shimmy
Pierce balances all tires and wheels by adding __________ to the tire/wheel during assembly.
Counteract balance beds
Tires: The beads balance not only the tire and wheel, but also the ____and ____ assembly of the axle.
Hub and brake assembly
______in conformance with 40CFR§1037.120 warrants to the ultimate purchaser and each subsequent purchaser that the tires delivered with this new vehicle will be free from defects in materials and workmanship that cause the vehicle to fail to conform to the requirements of 40CFR§1037 Control of Emissions from New Heavy-Duty Motor Vehicles for ____years or ____miles
Oshkosh corperation
2 years 24,000
Wheel nuts must be checked for proper torque after the first ___to ___ miles of service, then frequently as part of periodic maintenance.
50 to 100
Wheel nut Torque: 10 Hole, 285.75 mm – Hub Piloted
M22 x 1.5
____ft lbs
10 Hole, 285.75 mm – Hub Piloted with Meritor ADB 1560 disc brakes
M22 x 1.5
_____ft lbs
450-500
390-450
10 Hole, 11.25 inch – Stud Piloted
3/4-16
10 Hole, 11.25 inch – Stud Piloted
1-1/8-16
Both have torque of____
450-500 ft lbs
Maintain the nut torque at the recommended level through planned, periodic checks or at ______-mile intervals, whichever comes first.
10,000
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 100
Min Start up temp___
Operating range___
44 degrees
81-201 degrees
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 68
Min Start up temp___
Operating range___
27 degrees
65-184 degrees
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 46
Min Start up temp___
Operating range___
14 degrees
49-167 degrees
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 32
Min Start up temp___
Operating range___
3 degrees
37-148 degrees
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 22
Min Start up temp___
Operating range___
-8 degrees
23-127 degrees
Hydraulic oil recommendations:
Mobil DTE 10 Excel ISO grade 15
Min Start up temp___
Operating range___
-24 degrees
7-107 degrees
The flashpoint for Type II Dry-Cleaning Solvent is ____degrees F (60 degrees C) and Type III Dry-Cleaning Solvent is____degrees F (93 degrees C).
140
200
Fifth wheel lubrication Every ____ miles or __months, grease the fifth wheel bearing connecting the tractor to the tiller
trailer.
3000
6
There are two grease fittings (1) remotely mounted on the _____fifth wheel weldment (2), directly _____the fifth wheel bearing. Each fitting is connected to the bearing with grease line tubing, spaced ____ degrees apart. Each of the grease fittings are easily reached by standing next to the _____ chassis tires.
Upper
Above
180
Rear
Fifth wheel lubrication: Position the tractor / trailer in a jackknife condition, ___degrees to one side.
90 degrees
Fifth wheel lubrication: Using a grease gun, dispens___ pumps of grease into each grease fitting.
2 pumps
Fifth wheel lubrication:
Reposition the unit approximately __ degrees from the jackknife position (__ degrees from straight ahead), put transmission in neutral, apply parking brake and dispense two more pumps of grease into each fitting.
20
70
Repeat this procedure every ___degrees (a total of __ grease positions) until the unit is in the opposite jackknife position.
20
10
Aerial inspection: Every __hours of aerial operation or _____ (whichever occurs first), perform the primary inspection, then the following maintenance procedures:
25
Quarterly
Aerial inspection: (annual )Every ___hours of aerial operation or _____ (whichever occurs first), perform the primary inspection, the 25-hour/ quarterly inspection, then 50-hour/annual inspection.
50
Annually
Aerial inspection: Every ____hours of aerial operation or _____ (whichever occurs first), perform the primary inspection, the 25-hour/ quarterly inspection, the 50-hour/annual inspection, then the 400-hour/annual inspection.
400
Annually
Generator oil fill located?
Located behind driver’s side compartment.
Located behind right hand rear access door.
Generator oil drain
Located behind generator engine.
Generator oil dipstick
Located behind right hand rear access door.
Generator oil filter
Located behind driver’s side compartment.
Generator fuel filter
Located behind driver’s side compartment.
Generator oil drain tube
Located underneath chassis.
Coolant overflow reservoir
Located under rear access gate
Radiator drain
Located inside drivers side compartment on radiator
