Servicing Refrigerant System - TM-5-4120-282-130062

a. Replace wires when frayed or worn

b. Follow the wiring diagram shown on figure 6.

c. Tag all wires being removed or replaced for proper identifica-

d. Remove tires from terminals by removing screws or soldered con-

nections.

e. Correct the replacement leads with wires of the same specifica-

tion when available.

f. Make sure all connections are tight and clean.

74. Servicing Refrigerant System

NOTE

In accordance with Environmental Protection Agency regulations, refrig-

erants cannot be discharged into the atmosphere. A recovery/recycling

unit must be used whenever discharging the unit.

Operation of the recovery/recycling unit must be by AUTHORIZED PER-

SONNEL ONLY.

a. Releasing Refrigerant Cahrge.

(1) Remove the top center panel.

(2) Remove the valve system cap from the suction and discharge

valve (figure 10).

(3) Connect and operate recovery/recycle unit in accordance with the manufacturer's

instructions.