Q2. What is the best test equipment to use when
in the aircraft are a very real foreign object
damage (FOD) hazard. FOD kills!
looking for shorts, grounds, opens, and
wrong resistances?
If you can't finish installing the new part
immediately, remove all tools and parts from the
aircraft during the waiting period. You might
forget and leave them in the aircraft. This
precaution applies to any unfinished job involving
Q3. You should never use a
a waiting period. Before you remove the defective
as a troubleshooting method because it
part from the aircraft, pull and tag circuit
is expensive and does not always fix the
protective devices and notify maintenance control,
fault.
This prevents people from turning on fuel pumps
when fuel lines are open. Also, it prevents power
being applied to loose cables.
Installation. Many of the rules for removal
Q4. After removing apart, you should always
apply to installation. However, there are a few
look for small items from the work to
rules that apply almost exclusively to installing
ensure they do not become what type of a
new equipment. Some units have special condi-
hazard?
tions while in shipment. Look for these conditions
because they often require you to remove sealing
p l u g s , locking devices, and other special
equipment from the component before you can
Q5. List the tools that help you analyze a
install it. If adjustments are necessary on new
system.
equipment, you might need to make the adjust-
ments before completing the installation. For
example, often the matching of a position
transmitter to the position indicator is easier to
do with only the electric wiring connected to
Q6. What is the first action to take when
the actuator. After calibration, complete the
beginning to troubleshoot apiece of equip-
mechanical mounting. Again, the only guide for
ment?
making adjustments to any system is the MIM.
In the final installation, make sure that all
mounting hardware is in place and properly
tightened. Also, make sure all cable and line
connections are secure and connected to the
Q7. What types of common faults interrupt
proper points.
power through a circuit?
Testing. The entire process of detecting and
correcting a fault means nothing unless the system
operates properly. Therefore, the final step of the
job is to test the equipment. This test is usually
Q8. List a reference to which you can refer for
an operational test. Where possible, simply
approved maintenance procedures.
operate the new component or system to see that
it is doing its job properly. When a final check
shows the job is complete, you must pass this
word quickly to those concerned. Officially, the
aircraft is d o w n until the proper people are
Q9. You should refer to the
notified.
for procedures to follow when removing
and replacing equipment?
REVIEW SUBSET NUMBER 2
Q10. What is the purpose of testing a piece of
Q1. List the three steps that will make your
troubleshooting easier.
equipment after it has been repaired?
