TM9-4120-370-14
TO35E9-229-1
4-70, SOUND ATTENUATOR - Continued.
Removal
a.
(1) Using screwdriver, remove fifteen screws and flat washers from sound attenuator.
(2) Remove sound attenuator.
Inspection
b.
(1) Check sound attenuator for accumulated dirt and obstructions that would block airflow. Clean and remove
obstruction.
(2) Check that sound attenuator is not bent, cracked, punctured, or otherwise damaged. Replace it damaged.
(3) Check that gaskets are not torn or missing.
(4) Refer repairs and gasket replacement to direct support maintenance.
c.
Cleaning
Compressed air used for cleaning purposes will not exceed 30 psi (2.1 kg/cm2).
Do not direct compressed air against the skin. Use goggles or full face shield.
Clean with a soft bristled brush, vacuum cleaner and brush attachment, or use compressed air at 30 psi or less to blow
dirt from internal baffles.
d. Installation
(1) Position sound attenuator on unit and aline mounting holes
(2) Using screwdriver, secure sound attenuator with fifteen screws and flat washers.
Section VII. PREPARATION FOR STORAGE OR SHIPMENT
4-71. PREPARATION FOR STORAGE OR SHIPMENT
a. Administrative storage.
(1) Placement of equipment in administrative storage should be for short periods of times when a shortage
of maintenance effort exists. Items should be in mission readiness within 24 hours or within the time factors
as determined by the directing authority During the storage period appropriate maintenance records will
be kept.
(2) Before placing equipment in administrative in administrative storage, current maintenance services and
equipment serviceable criteria (ESC) evaluations should be completed, shortcomings and deficiencies
should be corrected, and all modification work orders (MWO'S) should be applied.
(3) Storage site selection. Inside storage is preferred for items selected for administrative storage. If inside
storage is not available, trucks, vans, conex containers and other containers may be used.
b. Intermediate storage46 to 180 days No special handling is required other than protection from damage and
the elements.
(1) Unroll the fabric cover.
(2) Snap the cover in place.
(3) Place the air conditioner in a dry, covered area.