p3b5 Flashcards
preferred method of bucking solid rivets
pneumatic rivet gun and bucking bar
various methods and tools that are used to secure material for riveting
- c clamps
- self tapping screws
- tem skin fasteners
- clecos
composition of a 7x7 cable
six strands of 7 wires wrapped around a center strand of 7 wires
criteria for a corrosion inspection of control cables
move controls to extreme positions if corrosion is present inspect interior without reverse twisting
handling of cables
before each use or once a month complete a visual inspection of all components
purpose of ailerons and what component they are attached
control the aircraft laterally
attached to the wings
metal hardness using the Rockwell hardness scale
based on degree of penetration
requirements used in airframe construction and repair on any material
your responsibility to comply with all safety procedures and tool control requirements
two classifications of rivet head shapes
- raised head
- counter sunk
measurements and dimensions of rivet by classification and head markings
M5426AD5-8 M520 - military standard 426 - head shape AD - material or alloy 8 - length in 1/16
how and why blueprints are used
understand how a system or component of the aircraft functions
strength-to-weight ratio
relationship between strength of a material and its weight per cubic inch
primary objective of I-level corrosion control and cleaning
prevent, control, and repair corrosion damage to aircraft on land and sea
corrosion
electrochemical deterioration of a material or its properties
types of corrosion
uniform surface galvanic pitting intergranular exfoliation crevice
why corrosion detection and prevention are critical elements of aircraft maintenance
the costs resulting from corrosion can be minimized by early detection, identification, and treatment
paint removal methods on aircraft materials
only mechanical paint removal equipment and techniques
primary objective of aircraft preservation and painting
protects the metal aircraft parts and components
different types of equipment used in the application of aircraft paint and final finish
HVLP and 3M paint prep systems
different types of coatings used on Naval aircraft and special qualifications, medical requirements, and PPE to apply them
polyurethane coating thinner, woozy coating thiner, and acrylic alkyd coating thinner
adequate ventilation and approved respiratory
basic process of welding utilized at an IMA
gas metal arc welding uses an arc between a continuous filler metal electrode and weld pool
two classes into which metal is divided
ferrous and non-ferrous
identify the aeronautical equipment welding manual number
NA 01-1A-34
7 basic groups that a welder can be certified to weld
group 1 group 2 group 3 group 4 group 5 group 6 group 7
group 1
carbon and low alloy steels
group 2
stainless steels
group 3
nickel and nickel base
group 4
aluminum
group 5
magnesium
group 6
titanium
group 7
cobalt base
identify all safety PPE utilized while welding
helmet, flame proof apron, leather jacket, flameproof gloves, steel toes
define British thermal unit
amount of heat required to raise the temperature of one pound of water
position 1G in Relation to flat plate welding
flat position
position 2G in relation to flat plate welding
horizontal position
position 3G in relation to flat plate welding
vertical position
position 4G in relation to flat plate welding
overhead position
basic purpose and process of aircraft tire and wheel assembly maintenance at an IMA
IMA is responsible for the assembly and disassembly for use by o-level
inflation process of aircraft tire and wheel assemblies
tire in safety cage
install valve core
secure cage
inflate tire until beat seats
applicable SE and special tools required for the overhaul of tire and wheel assemblies
tire inflator
bead breaker
bearing packer
tire inflator cage
general safety procedures when dealing with aircraft tire an wheel assemblies
tire deflation tags, safety glasses, and hearing protection
tires will be completed vertically
special considerations pertaining to IMA tire and wheel work spaces
ear protection and assembly tables
describe the importance of the NDI eddy current inspection and what components of the tire and wheel assembly are eddy current inspected
aroused on wheel tie bolts inducted to blowout or overheating inspections used to test for conductivity
discuss inspection, cleaning and lubrication of bearing assemblies
done to detect cleaning is done to give proper visual inspection
storage and shipping procedures for aircraft tire and wheel assemblies
100 psi or 50% capacity
describe and identify the components fo a tire inflator kit assembly
consists of a remote controller, low pressure gauge element, service hose assembly, and metal carrying cage
safety parameters utilized during the inflation of an aircraft tire
personnel shall not open or enter tire inflation cage during any position of tire inflation
basic purpose of an IMA pertaining to aircraft composite repair
return parts being repaired to its required strength, stiffness, and service life
purpose of composite materials
light weight, high stiff fibers, corrosion resistant, and strength to weight ratio
identify the precautions that must be observed when handling graphite or carbon/epoxy composite materials
damaged composite parts with exposed fibers can break off and penetrate skin
purpose and procedures for use of the align-a-drill
reduce exit side splintering when drilling blind holes
purpose of IMA composite repair assemblies
repair parts to RFI status
equipment and location of IMA composite repair assemblies
located in boxes properly labeled
equipment and environment of IMA composite repair assemblies
kept in clean, well ventilated areas
safety/PPE of IMA composite repair assemblies
gives, respirators, eye protection and aprons
potential safety hazards while working on aircraft graphite or carbon/epoxy composite materials
irritation of the skin
reaction to tiny fibers
inhalation
when not to use solvents to remove sanding residue
cause spread of thin film contamination and evaporate too quickly
identify and describe two ways heat lamps can be utilized during composite repairs
drying panels and curling adhesives
process of painting a composite repair assembly
clean the area free of debris and follow applicable mims
only way to remove paint from composite laminate/structures
silicon carbide abrasive material
periodicity of using solvents during composite repair evolutions
before entering clean room
type, time when necessary and purpose of the NDI method used on composite materials
inspect the patch and patch to voids or disbonds
sources and effects of hydraulic contamination
maintenance malpractices and poorly maintained SE
different types of hydraulic decontamination
- air bleeding
- flushing
- purging
- purifying
- recirculation cleaning
objective of hydraulic tube bending
obtain a smooth bend without flattening the tube
different types of hoses and tubes manufactured at an IMA
rigid and flexible
two major lube joints used in hydraulic tube assemblies
permaswedge and rynglo k
when a flexible hose is used in place of a hard line
only when authorized
process of proof pressure testing hydraulic tube assemblies
tube will be able to maintain pressure while in use
special precautions taken with oxygen tube assemblies after fabrication and testing
only use oil free nitrogen
difference between shelf life and service life in regards to hose tube assemblies
10 years
different methods of contamination analysis
electric particle counter and analysis kit
state the MIL-SPEC of hydraulic fluid used in naval aircraft
MIL-PRF-83282
types of tube benders used in hydraulics work centers and the differences between them
mechanical is used with aircraft grade, high strength corrosion resistant steel tubing
materials used in repacking hydraulic components
packing, retainers, sleeves and o-rings
explain the term controlled environment work center as applied to hydraulics repair
enclosed work space which humidity and filtered air are controlled
PODS
portable oil diagnostic system
identify the SE used on hydraulic components
portable hydraulic test stands
hydraulic fluid dispensing equipment
stationary hydraulic test stands
NDI
nondestructive inspection
purpose of NDI
inspection that will not impair its future usefulness
qualification requirements to be an NDI inspector
e4 or aboce
minimum asp of 105
radiation medical screening
Fluorescent penetrant NDI method
detects surface breaking discontinuities in non porous materials
magnetic particle NDI
not a method used to reveal discontinuities in magnetic materials
ultrasonic NDI method
ultrasonic will be generated by a transducer
Eddy current NDI method
detect discontinuities in conductors
X-ray NDI method
high energy photons produced
function of the Rockwell hardness tester
two scales for softer and harder metals
operating and emergency procedures related to open facility radiography
emergency procedures provide steps in how to handle an emergency situation
equipment used for visual inspections
white light and magnifying glass
equipment used for eddy current inspections
NORTCC 2000, reference standard, cord, and probe
equipment used for magnetic particle inspection
on site, cleaner, aerosol can, field indicator
equipment used for fluorescent penetrant inspection
on site cleaner penetrant, developer, uv light
equipment used for ultrasonic inspection
sonic 1200, standard cord, transducer, gloves, ultrasonic gel
equipment used for radiographic inspection
certified X-ray radiographer
purpose of NDI process controls
ensure the evaluation process meets the effectiveness and minimum requirements to keep the inventory of NDI
periodicity of magnetic particle inspection
weekly / 60 days
periodicity of fluorescent penetrant inspection
monthly
periodicity of ultrasonic inspection
quarterly
periodicity of radiographic inspection
180 days
periodicity of eddy current inspection
standardize unit for type of metal
use and importance of NDI standards with regard to eddy current inspections
establish a base standard for type of metal being evaluated
types of airframe technical directives and how they relate to NDI
air frame bulletins
TMS directs NDI on periodicity
medical requirements involved in obtaining the NDI qualification and the requalifier medial requirements periodicity
- eye exam
- radiation physical
qualifications needed to operate radiographic equipment
- NDI technician course
- ionizing radiation medical exam
- qualified as radiation worker
- safety certification program