Section II. OPERATION UNDER USUAL CONDITIONS
b. Elevator Operation.
3-3 OPERATING PROCEDURE. The instructions in
this paragraph are for operating the elevator after the
(1) Use the remote control button, located on a
tower has been erected.
tower leg, to operate the elevator hoist. See paragraph
a. Precautions. Take the following precautions.
(3) See paragraph 5-10b for antenna removal.
(1) Do not use elevator for carrying persons. It
does not have the safety features required for this
c. Elevator Shutdown. If elevator is not to be used
(after antenna has been completely installed or
(2) Do not allow elevator to travel beyond its
completely removed), shut down hoist as follows:
upper limit of travel. Be very careful as it approaches
(1) Lower elevator. After elevator stops, a block
(3) Before attaching antenna to elevator, test
may be placed under elevator assembly.
elevator and carriage for proper operation.
(2) Turn elevator hoist ON-OFF switch to OFF.
(4) When elevator is lowered, bottom wheels must
be at least 6 inches from bottom ends of lowest track
Section III. OPERATION UNDER UNUSUAL CONDITIONS
replacing them. Make frequent preventive maintenance
3-4 GENERAL. It may be necessary to operate the
checks. Excessive amounts of dust and sand that come
tower under conditions of extreme cold, heat, humidity,
in contact with lubricants will damage moving parts.
moisture, sand, or wind. The tower is designed to be
Hoist operation in a dusty or sandy atmosphere requires
operational in temperatures ranging from -20 to
3-7 OPERATION IN TROPICAL CLIMATES. When
equipment is operated in warm, damp climates,
Temperatures and weather conditions associated with
moisture conditions are acute. High relative humidity
arctic climate can affect the efficient operation of the
equipment. Handle parts carefully, especially wire
corrosion. Make frequent maintenance checks.
insulation and plastics which become brittle at subzero
temperatures. When equipment is exposed to cold air,
3-8 OPERATION IN HIGH WINDS.
moisture will condense on it and icing conditions can
conditions present a hazard to both equipment and
The Antenna Tower TS-IA has been
designed to withstand high winds. (For tower wind
3-6 OPERATION IN DESERT CLIMATES. The main
problem arising in desert operation is large amounts of
sand, dust, and dirt which may affect operation of the
equipment. Clean assemblies thoroughly before
Section IV. PREPARATION FOR MOVEMENT
3-9 PROCEDURE. The tower must be disassembled
before movement to a new site. New piers must be
prepared at the new site before reassembly and