TM 55-4920-394-13&P
CHAPTER 3
AVIATION UNIT MAINTENANCE INSTRUCTIONS
SECTION I. PREPARATION FOR USE, STORAGE OR SHIPMENT
3-1. Preparation For Use.
3-2. Unpacking And Installation . The test stand is shipped completely assembled on fully inflated tires and
requires no major assembly of components prior to preparing the stand for use other than the following
procedures:
a.
Strip the waterproof tape from seams, doors and other openings of the cabinet.
b.
Open all cabinet doors and thoroughly inspect interior of the test stand to remove all extraneous
packing or cushioning material used to protect internal components during shipment. Small areas
of normally exposed metal surfaces may be wrapped with protective covering or tape during
shipment. Be certain all such coverings are removed.
3-3. Initial Inspection . It is important to carefully inspect the complete test stand for any possible damage
which may have occurred during shipment. The following initial inspection procedures are recommended:
a.
Check the data appearing on the test stand nameplate to verify itis the unit designated in
paragraph 1-6 of
this manual. If
there is
any doubt, do
not attempt to
operate the test stand in
accordance with the instructions contained in this manual.
b.
Remove the hose assemblies from the inside of the test stand. Inspect the hose assemblies
carefully for evidence of damage, breaks or loose fittings.
WARNING
The output hose assemblies are subjected to extremely high pressure.
Repair any defective hose assembly before using the hose assembly
during operation of the test stand.
c.
Open the control and instrument panel access door. Inspect all gages, indicators and controls for
evidence of shipping damage. Check that all parts are securely mounted. Check that all manually
operated switches and controls operate freely.
d.
Open access doors. Inspect the plumbing installation for damaged tube assemblies, fittings and
hose assemblies. Check that all fittings are securely connected and hoses are not deteriorated.
3-1