Section II. OPERATION UNDER USUAL CONDITIONS

TM 32-5985-343-14&P

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

3-2.

a. Precautions. Take the following precautions.

(2) See paragraph 2-17 for antenna installation.

(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

purpose.

(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

this limit.

(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.

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

the use of lubricants designed for this purpose.

+1200F.

3-7 OPERATION IN TROPICAL CLIMATES. When

3-5

OPERATION

ARCTIC

CLIMATES.

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

may cause condensation on equipment and accelerate

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.

High wind

moisture will condense on it and icing conditions can

conditions present a hazard to both equipment and

result.

personnel.

The Antenna Tower TS-IA has been

designed to withstand high winds. (For tower wind

3-6 OPERATION IN DESERT CLIMATES. The main

loading capability, refer to paragraph 1-9.)

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

reinstallation of the tower. Refer to paragraphs 5-11 and

3-9 PROCEDURE. The tower must be disassembled

2-12.

before movement to a new site. New piers must be

prepared at the new site before reassembly and

3-2