AMT 2203 SIR PANGAN Flashcards
The need for overhaul is a question that is answered with _________.
EXPERIENCE
The purpose of an overhaul is to return the engine to its _______________________
former operational capacity and undo these changes
4 most important changes that makes overhaul necessary
- Critical dimensions in the engine are change as a result of wear and stress
- Foreign materials accumulate in the engine
- Metal in critical parts in the engine becomes crystallizes. Making it more brittle.
- One or more parts may actually fail.
The recommended overhaul time is determined by the ________
MANUFACTURER
_________ of commercial aircraft are required to
follow this overhaul recommendation, otherwise
they will need to secure an FAA Certificate
Operators
The owner of a private aircraft may choose
disregard the overhaul recommendation until it
is actually needed, or he can opt for a _____________.
TOP
OVERHAUL
WHEN DOES AN ENGINE OVERHAUL BECOME NECESSARY?
With excessive wear and tear, oil consumption can increase, power can decrease, and the risk of failure can increase
An overhaul is not only about engine inspection and parts evaluation; it also deals with the _________ and ____________.
repair and replacement
Is the complete reconditioning of only
the cylinders, pistons, and valve operating mechanism.
TOP OVERHAUL
A ____________ implies an overhaul of those
parts on top of the crankcase without fully
disassembling the engine.
top overhaul
To provide for efficient overhaul operations so that engine overhaul can be accomplished at minimum cost to the aircraft owner
OVERHAUL SHOP
An ________________must be well organized
OVERHAUL SHOP
An overhaul shop can either be a _________ that handles a few engines at a time, or a ______ one that handles multiple engines at a time.
small shop
large
11 Overhaul process
- Receiving Inspection
- Disassembly
- Visual Inspection
- Cleaning
- Structural Inspection
- Dimensional Inspection
- Repair and Replacement
- Reassembly
- Installation
- Engine resting and run-in
- Prevention and Storage.
Every engine overhaul must be carried out in accordance
with the instructions given in the _______________________.
manufacturer’s overhaul
manual
The _________ of an aircraft engine has all the
information relating to the construction and design of
engine parts and has made numerous tests of the
assembled engine and its parts.
manufacturer
In the operation of the shop, it is important that adequate safety practices be exercised.
- Crowding should be avoided in the shop
- All Machinery must be in good repair condition
- Operators should wear safety shoes to prevent injury to their feet in
case heavy equipment or parts are dropped. - Proper types of fire extinguishers should be available to shop personnel.
- Adequate work station and bench provided.
Each ____________ provides very specific tolerances to which the engine parts must conform and provides general instructions to aid in
determining the airworthiness of the part.
engine manufacturer
When ________________ are concerned, the manufacturer
publishes a new minimum and serviceable dimension for all critical component parts
dimensional tolerances
When the _____________ signs the release for the return to
service for an overhauled engine, this certifies that the complete overhaul process has been performed using methods acceptable to the
Authority.
powerplant technician
The actual ____________ consists of reconditioning the engine’s cylinders by replacing or reconditioning the piston and piston rings, and reconditioning or plating the cylinder
wall and valve-operating mechanism, including valve guides if needed.
top overhaul
_____________ consists of the complete reconditioning
of the powerplant.
Major overhaul
A ________________ would require that the crankcase be disassembled per the FAA.
reciprocating engine
At regular intervals, an engine should be completely
_________, ____________, and _________.
dismantled, thoroughly cleaned, and inspected
