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TM 10-4930-247-13&P
Section IV. UNIT MAINTENANCE PROCEDURES
4-10. GENERAL.
This section contains instructions for performing unit level maintenance on the HTARS.
4-11. PERSONAL SAFETY.
To ensure safety of personnel, proper care should be used when lifting or transporting HTARS components
Personnel must remove all items of jewelry ( rings, bracelets, watches, necklaces etc ) and loose clothing before working
on the equipment. Jewelry and loose clothing can get caught in moving equipment and result in injury to personnel.
Jewelry can cause electrical shorts or severe injury when working around electrical equipment.
When performing maintenance on the HTARS, keep in mind that the purpose of the equipment is to distribute flammable
liquids. Your work space must be well ventilated to prevent the build-up of vapors and fumes. Make sure a fire
extinguisher is available in the event of a fire.
Operate HTARS components after performing maintenance to ensure repairs have been performed correctly and item can
be returned to service.
Observe the following precautions when working on fuel handling components:
If a fuel spill occurs, clean it up immediately. Dispose of fuel soaked rags in accordance with
applicable regulations and standard operating procedure.
Do not allow smoking within 100 feet. Fuel vapors are extremely flammable. Post NO SMOKING
signs. Do not work on fuel handling components near open flame or excessive heat. Death or injury
could result from exploding or burning fuel. Suitable and properly charged fire extinguishers must be
available at all times.
Wear protective goggles and gloves. Use fuel resistant gloves when handling components due to
toxic effects of some fuel additives. Avoid contact with skin, eyes, and clothes. If fuel contacts eyes,
immediately flush eyes with clean fresh water and get medical attention.
Avoid getting fuel on your body or clothing. Fuel can cause chemical burns on unprotected skin. If
clothing becomes saturated with fuel, remove clothing immediately and wash your body with hot
soapy water.
Do not breathe fuel vapors. Work only in well-ventilated area. Vapors are toxic and can cause
serious illness or death. If dizziness occurs, leave area and get fresh air. Get medical attention.
Static discharge can ignite fuel or cause an explosion of the fuel vapor. Make sure all electrical
equipment is properly connected.
4-12. PROPER EQUIPMENT.
Obtain proper equipment before beginning maintenance. This includes hand tools and/or special tools, receptacles for
storing small parts, expendable materials and mandatory replacement parts required by the maintenance task.
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