Chapter 2. OPERATING INSTRUCTIONS - TM-5-4120-352-140017

TM 5-4120-352-14

CHAPTER 2

OPERATING INSTRUCTIONS

If equipment fails to operate refer to

troubleshooting procedures in chap-

ter 3.

Section I.

OPERATING

PROCEDURES

2-1.

Unloading Equipment

ganizational maintenance.

The total weight of the air conditioner is 191

pounds (87 kg.). Use a hand truck or forklift of at

b. Servicing. Perform the daily preventive

least 300 pounds capacity to unload the unit. Keep

maintenance services listed in paragraph 3-4. Be

unit upright during the unloading operation.

sure all hardware is securely in place.

2-2.

U n p a c k i n g Equipment

2-4.

Installation

Move the unit as near to the site of installation

a. General. The air conditioner is shipped as-

as possible. Remove crating hardware and metal

sembled and ready for operation. It contains a full

straps, being careful not to damage the unit with

charge of refrigerant and compressor oil. Install the

the tools used for uncrating.

unit on a firm, level surface to allow proper con-

densate drainage. Place it so that the control panel

2-3.

Inspecting and Servicing Equip-

and condenser and evaporator louvers are accessible

to the operator and to maintenance personnel. Be

ment

sure there are no obstructions in front of any air in-

a. Inspection. Inspect the entire air conditioner

take or discharge louvers or other openings that

for signs of damage, missing or loose hardware, and

may cause insufficient flow of air into or out of the

any defects that may have been incurred during

air conditioner. If the unit is van mounted, report

shipment. Make a thorough check to see that all

any such obstructions to organizational mainte-

wiring, lines, and tubing are secure; and pay partic-

nance.

ular attention to the evaporator and condenser coils

b. Mounting. Base mounting hole dimensions

and main power receptacle connectors. Be sure that

are shown on figure 2-1(A). The resilient mount

visible wiring and insulation are not frayed or bro-

parts shown in figure 2-1(B) are shipped with the

ken. Check the evaporator and condenser fan mo-

air conditioner.

tors. Report all damage and defects to or-

2-1